[Event "Teplice op 18th"]
[Site "Teplice"]
[Date "2025.06.22"]
[Round "9"]
[White "Piddubna, Bozhena"]
[Black "Lewtak, Damian"]
[Result "1/2-1/2"]
[ECO "E51"]
[WhiteElo "2173"]
[BlackElo "2367"]
[PlyCount "129"]
[EventDate "2025.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Bd2 0-0 6. Nf3 b6 7. cxd5 exd5 8. Bd3 c5 9. a3 Bxc3 10. Bxc3 c4 11. Be2 Ne4 12. 0-0 Nc6 13. Ne5 Na5 14. Bxa5 bxa5 15. Bf3 Bf5 16. Bxe4 Bxe4 17. f3 Bf5 18. Qa4 f6 19. Nc6 Qd7 20. e4 Be6 21. b3 cxb3 22. Rac1 Rfc8 23. Rc5 Kh8 24. Re1 h6 25. Qb5 b2 26. exd5 Bxd5 27. Rxd5 Qxc6 28. Rd8+ Rxd8 29. Qxc6 Rac8 30. Qb7 Rc1 31. Kf2 b1Q 32. Qxb1 Rxb1 33. Rxb1 Rxd4 34. Rb7 Rd3 35. Rxa7 Rxa3 36. h4 h5 37. Kg3 Kh7 38. Kf4 Kg6 39. g4 Ra4+ 40. Kg3 hxg4 41. fxg4 Ra1 42. Kg2 a4 43. Kh2 a3 44. Kg2 Kh7 45. Ra8 a2 46. Ra7 Kg8 47. Ra8+ Kf7 48. Ra7+ Ke6 49. Ra6+ Kd5 50. Ra5+ Kc4 51. Ra8 Kb5 52. Rb8+ Kc6 53. Ra8 Kd6 54. Ra6+ Ke5 55. Ra5+ Ke6 56. Ra6+ Kf7 57. Ra7+ Kg6 58. Ra6 Kh6 59. Kh2 g6 60. g5+ fxg5 61. hxg5+ Kxg5 62. Kg2 Kh4 63. Ra4+ Kh5 64. Ra5+ g5 65. Ra4 1/2-1/2

[Event "Teplice op 18th"]
[Site "Teplice"]
[Date "2025.06.21"]
[Round "8"]
[White "Sorensen, Hampus"]
[Black "Piddubna, Bozhena"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2432"]
[BlackElo "2173"]
[PlyCount "99"]
[EventDate "2025.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4 d5 6. Nc3 Bc5 7. d4 Bb4 8. Qb3 Qe7 9. Be3 0-0 10. cxd5 Re8 11. Ne5 Nd7 12. Bb5 Nxe5 13. dxe5 c6 14. dxc6 Be6 15. Qc2 Nxc3 16. bxc3 bxc6 17. Bd3 Ba5 18. 0-0 h6 19. f4 Bb6 20. Qf2 Qa3 21. Rfc1 Red8 22. Be4 Qa4 23. Bc2 Qa5 24. Be4 Bd5 25. Bxd5 Rxd5 26. Bxb6 axb6 27. Qe2 Qc5+ 28. Kh1 Rad8 29. e6 fxe6 30. Qxe6+ Kh8 31. h3 Rd3 32. c4 R3d6 33. Qe5 Qf2 34. Rf1 Qg3 35. Qe4 c5 36. f5 Rd4 37. Qc6 R4d6 38. Qf3 Qh4 39. Rac1 Rd3 40. Qf2 Qf6 41. Rce1 Rd2 42. Re2 Qb2 43. Rxd2 Rxd2 44. Qf3 Rd6 45. a3 Qd4 46. Qe2 Qd3 47. Qxd3 Rxd3 48. f6 Kg8 49. Rb1 Rxa3 50. Rxb6 1/2-1/2

[Event "Teplice op 18th"]
[Site "Teplice"]
[Date "2025.06.20"]
[Round "7"]
[White "Piddubna, Bozhena"]
[Black "Sylvan, Jacob"]
[Result "1-0"]
[ECO "E52"]
[WhiteElo "2173"]
[BlackElo "2323"]
[PlyCount "61"]
[EventDate "2025.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd2 d5 6. Nf3 b6 7. cxd5 exd5 8. Bd3 Bb7 9. Rc1 a6 10. 0-0 Bd6 11. a3 c5 12. Re1 c4 13. Bb1 Re8 14. e4 dxe4 15. Ng5 Nbd7 16. h3 Rc8 17. Ncxe4 Bb8 18. Qf3 Bd5 19. Nxf6+ Nxf6 20. Bxh7+ Kh8 21. Be4 Qc7 22. g3 Rxe4 23. Rxe4 Bxe4 24. Nxe4 Nxe4 25. Qxe4 Qd7 26. d5 b5 27. Re1 Qxh3 28. Bc3 Ba7 29. Qf4 Bc5 30. d6 Qd7 31. Qh6+ 1-0

[Event "Teplice op 18th"]
[Site "Teplice"]
[Date "2025.06.17"]
[Round "4"]
[White "Sengupta, Deep"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2502"]
[BlackElo "2173"]
[PlyCount "61"]
[EventDate "2025.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nf3 c5 5. Nbd2 Nc6 6. c3 Nh5 7. Bg5 f6 8. Bh4 g6 9. Be2 cxd4 10. cxd4 Be7 11. a3 a5 12. 0-0 0-0 13. Nb3 Ng7 14. Bg3 Qb6 15. Qc2 Nh5 16. Rac1 Nxg3 17. hxg3 e5 18. Nc5 Bf5 19. Na4 Qa7 20. Qb3 exd4 21. Nxd4 Nxd4 22. exd4 Be6 23. Bf3 Bf7 24. Rc7 Rfe8 25. Bxd5 Bxd5 26. Qxd5+ Kf8 27. Nc5 a4 28. Re1 Qa5 29. Rexe7 Rxe7 30. Rxe7 Kxe7 31. Qd7+ 1-0

[Event "Teplice op 18th"]
[Site "Teplice"]
[Date "2025.06.15"]
[Round "2"]
[White "Kreken, Eivind Grunt"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2382"]
[BlackElo "2173"]
[PlyCount "79"]
[EventDate "2025.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nge2 0-0 6. 0-0 d6 7. d4 c6 8. a4 Bd7 9. h3 b5 10. axb5 cxb5 11. Be3 a5 12. dxe5 dxe5 13. Nd5 Nxd5 14. exd5 Qc8 15. Kh2 b4 16. Qd2 Bb5 17. Rfc1 Qc4 18. Bf1 Rd8 19. Ng1 Qxd5 20. Qxd5 Rxd5 21. Bg2 Bc6 22. Bxd5 Bxd5 23. Rd1 Bb7 24. Rd8+ Bf8 25. Bb6 Nc6 26. Rxa8 Bxa8 27. Bxa5 Bb7 28. Bb6 f6 29. Nf3 Kf7 30. Nd2 Ke6 31. Nb3 Bd6 32. Bc5 Ne7 33. Ra4 Be4 34. Ra6 Bc6 35. Bxd6 Kxd6 36. Na5 h5 37. c3 bxc3 38. bxc3 Kc5 39. Ra7 Kd6 40. Rxe7 1-0

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "9"]
[White "Dubnevych, Maksym"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "2292"]
[BlackElo "2174"]
[PlyCount "115"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. Nc3 Nf6 2. e4 e5 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 Bb4 6. Bd2 d6 7. 0-0-0 0-0 8. a3 Ba5 9. f4 Re8 10. Re1 a6 11. Nf3 b5 12. Nd5 Bxd2+ 13. Nxd2 Nxd5 14. Qxd5 Bb7 15. Bd3 Na5 16. Qh5 g6 17. Qg5 Qxg5 18. fxg5 c5 19. c3 Re7 20. Rhf1 Rae8 21. Rd1 d5 22. exd5 Bxd5 23. Rf6 Re6 24. g3 Nb3+ 25. Kc2 c4 26. Bf1 Nxd2 27. Rxd2 Be4+ 28. Kc1 Bf5 29. Rd1 h6 30. Rxe6 Rxe6 31. gxh6 Kh7 32. h3 Kxh6 33. g4 Be4 34. Re1 Bd5 35. Rxe6 Bxe6 36. Bg2 Bc8 37. Kd2 Kg5 38. Ke3 Kh4 39. Kf4 f5 40. g5 Bd7 41. Bd5 a5 42. Bf7 Kh5 43. a4 bxa4 44. Bxc4 Bc6 45. Bf7 Bd7 46. h4 Bc6 47. Kg3 Bd7 48. Bd5 Be8 49. c4 f4+ 50. Kxf4 Kxh4 51. Bb7 Bd7 52. c5 Be6 53. c6 a3 54. bxa3 a4 55. c7 Kh5 56. c8Q Bxc8 57. Bxc8 Kh4 58. Bd7 1-0

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "1"]
[White "Materia, Marco"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2489"]
[BlackElo "2174"]
[PlyCount "65"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. Re1 d6 7. a4 a6 8. c3 Be6 9. Nbd2 Qd7 10. b4 Rae8 11. Qb3 b5 12. axb5 axb5 13. Bxe6 Qxe6 14. Qxe6 fxe6 15. Ra6 Nb8 16. Ra7 Bd8 17. Nb3 Re7 18. Be3 c6 19. Ra8 Rb7 20. Rea1 Bb6 21. Bxb6 Rxb6 22. R1a7 Nbd7 23. Rxf8+ Kxf8 24. Kf1 Ke7 25. Ke2 d5 26. Nxe5 Kd6 27. Nxd7 Nxd7 28. f4 dxe4 29. dxe4 e5 30. fxe5+ Nxe5 31. Rxg7 Ra6 32. Na5 h6 33. Nb7+ 1-0

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "4"]
[White "Perez Rojas, Jorge"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "C27"]
[WhiteElo "2100"]
[BlackElo "2174"]
[PlyCount "40"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 c6 4. d4 Bb4 5. dxe5 Nxe4 6. Qf3 d5 7. exd6 Nxd6 8. Bb3 0-0 9. Nge2 Nd7 10. Bf4 Qf6 11. Rd1 Ne5 12. Qg3 Nf5 13. Bxe5 Nxg3 14. Bxf6 Nxh1 15. Bd4 Re8 16. Kf1 Bg4 17. f3 Bh5 18. Kg1 c5 19. Kxh1 cxd4 20. Rxd4 Bxc3 0-1

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "7"]
[White "Piddubna, Bozhena"]
[Black "Cernov, Henrik"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2174"]
[BlackElo "2325"]
[PlyCount "192"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 Nc6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 Bb4 6. a3 Bxc3+ 7. bxc3 0-0 8. g3 Ne5 9. Bg2 Nxc4 10. 0-0 h6 11. Qb3 d5 12. e4 Na5 13. Qb4 b6 14. exd5 Nxd5 15. Qb2 Bb7 16. Qc2 c5 17. Nf5 Qf6 18. c4 Nxc4 19. Qxc4 Qxf5 20. Bb2 Rad8 21. Rad1 Rd7 22. Qh4 Qg6 23. Bh3 f5 24. Bg2 Qf7 25. Rd2 Nf6 26. Rfd1 Rxd2 27. Rxd2 Bxg2 28. Kxg2 Ne4 29. Rd1 Ng5 30. Qf4 Qb7+ 31. f3 Qe7 32. Rd2 Ne6 33. Qe5 Qf7 34. Re2 Ng5 35. h4 Nh7 36. Rd2 f4 37. g4 Re8 38. Qc3 Nf6 39. Qd3 c4 40. Qf5 Nh7 41. Qb5 Nf8 42. Bc3 Ng6 43. Rd7 Re7 44. Rd8+ Kh7 45. Rd2 Nxh4+ 46. Kf2 Ng6 47. Qf5 Qe8 48. Rd6 Re2+ 49. Kf1 Rh2 50. Rd2 Rxd2 51. Bxd2 Kg8 52. Bc3 Qf7 53. Qc8+ Kh7 54. Qc6 Nf8 55. Qd6 Ne6 56. Qd5 Ng5 57. Qd4 Qg6 58. Kf2 Qc2+ 59. Kf1 Qg6 60. Kg2 b5 61. Qe5 Nf7 62. Qxf4 Qc2+ 63. Qd2 Qxd2+ 64. Bxd2 Ne5 65. Kg3 Nc6 66. Be3 a5 67. Bd2 b4 68. axb4 axb4 69. Kf4 c3 70. Be1 c2 71. Bd2 Nd4 72. Ke4 Nb3 73. Be3 c1Q 74. Bxc1 Nxc1 75. Ke3 Kg6 76. Kd2 Nb3+ 77. Kd3 Kg5 78. Kc4 Nd2+ 79. Kxb4 Nxf3 80. Kc3 Kxg4 81. Kd3 Kg3 82. Ke2 Kg2 83. Ke3 h5 84. Kf4 h4 85. Kg4 h3 86. Kh5 h2 87. Kg6 h1Q 88. Kxg7 Qh5 89. Kf6 Ng1 90. Kg7 Qf5 91. Kg8 Qd7 92. Kh8 Qe7 93. Kg8 Kf2 94. Kh8 Ke2 95. Kg8 Kd2 96. Kh8 Kc2 0-1

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "3"]
[White "Piddubna, Bozhena"]
[Black "Fernandes, Rogerio Paulo Mulle"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2174"]
[BlackElo "2241"]
[PlyCount "65"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. g3 Bg7 10. Nf3 0-0 11. Kg2 Nbd7 12. a4 Ra6 13. Re1 Qa8 14. Kg1 e6 15. e5 Nxd5 16. Nxd5 exd5 17. exd6 Rxd6 18. Bf4 Ra6 19. Re7 Nf6 20. Rc1 Rxa4 21. Rxc5 Ra1 22. Rc1 Rxc1 23. Qxc1 Ne4 24. Be5 Bxe5 25. Rxe5 Qa7 26. Qc2 Qa5 27. Kg2 Nf6 28. Qc6 Kg7 29. h4 Qa2 30. Qc3 Rb8 31. Re2 Qb3 32. Qd4 Qb6 33. Qf4 1-0

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "8"]
[White "Piddubna, Bozhena"]
[Black "Harish, Neeraj"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2174"]
[BlackElo "2192"]
[PlyCount "111"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 e6 5. Bg2 dxc4 6. Ne5 b5 7. Nxc6 Qb6 8. Nxb8 Rxb8 9. 0-0 Bb7 10. Bxb7 Qxb7 11. b3 cxb3 12. axb3 Be7 13. Bf4 Rd8 14. Nc3 b4 15. Na4 0-0 16. e3 Nd5 17. Qg4 Nxf4 18. Qxf4 Qd5 19. Rfb1 Rc8 20. Qg4 Rc2 21. Qd1 Qf5 22. Qf1 Rfc8 23. Rb2 a5 24. Rxc2 Rxc2 25. Rc1 h5 26. Rxc2 Qxc2 27. Qc4 Qb1+ 28. Kg2 h4 29. gxh4 Qe4+ 30. Kg1 Bxh4 31. Qc8+ Kh7 32. Qc1 Qg4+ 33. Kf1 Qh3+ 34. Kg1 Qf3 35. Qc2+ g6 36. Nc5 Qg4+ 37. Kf1 Qh3+ 38. Kg1 Qg4+ 39. Kf1 Qf3 40. Kg1 Be7 41. Ne4 f5 42. Ng3 Qd5 43. Qc7 Qd6 44. Qb7 Kh6 45. Ne2 Bh4 46. Nf4 Bg5 47. Nd3 Qd5 48. Qxd5 exd5 49. Nc5 Be7 50. Nd3 Kg7 51. Nf4 a4 52. bxa4 b3 53. Nd3 Ba3 54. a5 Kf7 55. a6 Bd6 56. a7 1-0

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "11"]
[White "Piddubna, Bozhena"]
[Black "Pereyra, Horacio"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2174"]
[BlackElo "2133"]
[PlyCount "85"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. g3 Nd7 5. Bg2 e5 6. Nc3 Ne7 7. 0-0 Nc6 8. dxe5 Ndxe5 9. Nxe5 Nxe5 10. Qb3 0-0 11. Bf4 c6 12. Rfd1 Qc7 13. Ne4 Rd8 14. Bg5 Be6 15. Bxd8 Rxd8 16. Rac1 b5 17. Qb4 a5 18. Qe1 bxc4 19. Ng5 Bc8 20. b3 h6 21. Nf3 Nxf3+ 22. Bxf3 c3 23. Rxc3 Bxc3 24. Qxc3 c5 25. Bd5 Re8 26. Qf6 Be6 27. Bf3 Qd8 28. Qf4 d5 29. Qxh6 d4 30. Qc1 Qb6 31. e3 dxe3 32. Qxe3 Kg7 33. Qe5+ f6 34. Qc3 Re7 35. Kg2 Rc7 36. Qe3 Re7 37. Qf4 g5 38. Qa4 g4 39. Bxg4 f5 40. Bf3 Rf7 41. Qh4 f4 42. Qg5+ Kf8 43. Rd8+ 1-0

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "2"]
[White "Piddubna, Bozhena"]
[Black "Ruiz Aguilar, Pablo Alexander"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2174"]
[BlackElo "2141"]
[PlyCount "86"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qb6 9. c5 Qc7 10. Bf4 Qc8 11. Nxg6 hxg6 12. Bg2 Be7 13. e4 0-0 14. 0-0 Na6 15. Bd6 Qd7 16. e5 Ne8 17. f4 Nec7 18. g4 Nb5 19. Nxb5 cxb5 20. Bxe7 Qxe7 21. Qxb5 Rfc8 22. Rac1 Rc7 23. f5 gxf5 24. gxf5 Qg5 25. Rc3 exf5 26. Rg3 Qd2 27. Rd3 Qb4 28. Qxb4 Nxb4 29. Rb3 Nc6 30. Bxd5 Nxd4 31. Rxb7 Rac8 32. Rxc7 Rxc7 33. c6 Kf8 34. b4 Ke7 35. a4 Nxc6 36. Rxf5 Nd8 37. Rf2 Rc1+ 38. Kg2 Rc3 39. Rd2 Re3 40. Rc2 Rxe5 41. Bf3 Kd7 42. b5 Re3 43. a5 Ra3 0-1

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "5"]
[White "Piddubna, Bozhena"]
[Black "Zieba, Hubert"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2174"]
[BlackElo "2233"]
[PlyCount "67"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qb6 9. c5 Qxb3 10. axb3 Nbd7 11. b4 Be7 12. b5 e5 13. e3 0-0 14. bxc6 bxc6 15. Ra6 Rfe8 16. Kf2 exd4 17. exd4 Nb8 18. Ra3 Nfd7 19. Nxg6 hxg6 20. Be3 Bf8 21. Bd3 a5 22. Rha1 Ra7 23. Rxa5 Rb7 24. R1a2 Rb4 25. R5a4 Rb7 26. b4 Re6 27. b5 cxb5 28. Bxb5 Nf6 29. Ra7 Ree7 30. Rxb7 Rxb7 31. c6 Rc7 32. Bf4 Rc8 33. Ra8 Bb4 34. Rxb8 1-0

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "10"]
[White "Swara, Lakshmi S Nair"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2178"]
[BlackElo "2174"]
[PlyCount "88"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 0-0 9. 0-0 Bg4 10. f3 Bh5 11. dxc6 Qd4+ 12. Kh1 Bxc3 13. bxc3 Qxc3 14. Rb1 Qxc6 15. Bd2 Bg6 16. Rb3 Rfd8 17. Re1 Bxd3 18. cxd3 Rd5 19. Qe2 h6 20. Qf2 Qd7 21. Bf4 c6 22. Qc2 Rf5 23. Bd2 Nd5 24. d4 Rf6 25. Reb1 Nb6 26. Be3 g6 27. Bxh6 Qxd4 28. Be3 Qd5 29. Rd1 Qa5 30. Rbd3 Nd5 31. Bd4 Re6 32. Qf2 Rae8 33. R3d2 Nf4 34. Qh4 Nh5 35. g4 Ng7 36. Qf2 f6 37. Kg2 a6 38. h4 f5 39. Bxg7 Kxg7 40. gxf5 Qxf5 41. Rd7+ Kg8 42. Qb2 Re2+ 43. Qxe2 Rxe2+ 44. Kh1 Qh3+ 0-1

[Event "Titled Tuesday intern op 20th May Late"]
[Site "Chess.com INT"]
[Date "2025.05.20"]
[Round "6"]
[White "Velikanov, Alexander"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2372"]
[BlackElo "2174"]
[PlyCount "59"]
[EventDate "2025.05.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a4 Bb4 5. Bd3 d6 6. 0-0 0-0 7. Nd5 a5 8. c3 Bc5 9. Bc2 Bg4 10. d4 exd4 11. Bg5 dxc3 12. Qd3 Nb4 13. Qxc3 Nbxd5 14. exd5 h6 15. Bh4 Bxf3 16. Qxf3 g5 17. Bg3 Kg7 18. Qd3 Qd7 19. Kh1 Rae8 20. f4 Ne4 21. fxg5 hxg5 22. Qf3 f5 23. Bxe4 Rxe4 24. Be1 Rf4 25. Bc3+ Kg6 26. Qg3 Rxf1+ 27. Rxf1 Qh7 28. Bd2 Qh4 29. Qf3 Qg4 30. Qxg4 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "7"]
[White "Leiva Rodriguez, Jeammarco Giuseppe"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2387"]
[BlackElo "2174"]
[PlyCount "103"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 exd4 11. cxd4 Bg4 12. b3 Nc6 13. Bb2 Nxd4 14. Bxd4 cxd4 15. Qxd4 Bxf3 16. gxf3 Nd7 17. Nc3 Bf6 18. e5 dxe5 19. Rad1 Rc8 20. Bf5 0-0 21. Qd2 Qa5 22. Ne4 Qxd2 23. Rxd2 Nb6 24. Bxc8 Rxc8 25. Nxf6+ gxf6 26. Rd6 Rb8 27. Rxf6 Kg7 28. Rd6 f6 29. f4 exf4 30. Ree6 Nc8 31. Rxa6 Rb7 32. Rxf6 Ne7 33. Rxf4 Ng6 34. Rb4 Ne5 35. Re6 Nf3+ 36. Kf1 Ng5 37. Rg4 h6 38. h4 Kf7 39. Rxh6 Ne4 40. Rh7+ Ke6 41. Rxb7 Nf6 42. Rb6+ Kf5 43. Rg5+ Kf4 44. Rxf6+ Ke4 45. h5 b4 46. h6 Kd3 47. h7 Kc2 48. h8Q Kb1 49. Rd6 Kxa2 50. Ra5+ Kxb3 51. Rd3+ Kc4 52. Qd4# 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "7"]
[White "Leiva Rodriguez, Jeammarco Giuseppe"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2387"]
[BlackElo "2174"]
[PlyCount "103"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 exd4 11. cxd4 Bg4 12. b3 Nc6 13. Bb2 Nxd4 14. Bxd4 cxd4 15. Qxd4 Bxf3 16. gxf3 Nd7 17. Nc3 Bf6 18. e5 dxe5 19. Rad1 Rc8 20. Bf5 0-0 21. Qd2 Qa5 22. Ne4 Qxd2 23. Rxd2 Nb6 24. Bxc8 Rxc8 25. Nxf6+ gxf6 26. Rd6 Rb8 27. Rxf6 Kg7 28. Rd6 f6 29. f4 exf4 30. Ree6 Nc8 31. Rxa6 Rb7 32. Rxf6 Ne7 33. Rxf4 Ng6 34. Rb4 Ne5 35. Re6 Nf3+ 36. Kf1 Ng5 37. Rg4 h6 38. h4 Kf7 39. Rxh6 Ne4 40. Rh7+ Ke6 41. Rxb7 Nf6 42. Rb6+ Kf5 43. Rg5+ Kf4 44. Rxf6+ Ke4 45. h5 b4 46. h6 Kd3 47. h7 Kc2 48. h8Q Kb1 49. Rd6 Kxa2 50. Ra5+ Kxb3 51. Rd3+ Kc4 52. Qd4# 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "6"]
[White "Levitan, Judah Nathan"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2127"]
[BlackElo "2174"]
[PlyCount "60"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. Nc3 d6 7. 0-0 0-0 8. h3 h6 9. Re1 Be6 10. Be3 Bb4 11. Bb3 d5 12. exd5 Nxd5 13. Bd2 Bxc3 14. bxc3 Qf6 15. c4 Nf4 16. Bc3 Bxh3 17. g3 Ng6 18. Re3 Rad8 19. Qe2 Nd4 20. Bxd4 exd4 21. Re4 Bf5 22. Re1 Bxe4 23. Qxe4 b6 24. Ba4 h5 25. Bc6 Rd6 26. Bd5 c6 27. Qxd4 cxd5 28. Qxf6 Rxf6 29. Nd4 dxc4 30. dxc4 Rd8 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "6"]
[White "Levitan, Judah Nathan"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2127"]
[BlackElo "2174"]
[PlyCount "60"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. Nc3 d6 7. 0-0 0-0 8. h3 h6 9. Re1 Be6 10. Be3 Bb4 11. Bb3 d5 12. exd5 Nxd5 13. Bd2 Bxc3 14. bxc3 Qf6 15. c4 Nf4 16. Bc3 Bxh3 17. g3 Ng6 18. Re3 Rad8 19. Qe2 Nd4 20. Bxd4 exd4 21. Re4 Bf5 22. Re1 Bxe4 23. Qxe4 b6 24. Ba4 h5 25. Bc6 Rd6 26. Bd5 c6 27. Qxd4 cxd5 28. Qxf6 Rxf6 29. Nd4 dxc4 30. dxc4 Rd8 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "3"]
[White "Lindholm, Jere"]
[Black "Piddubna, Bozhena"]
[Result "1/2-1/2"]
[ECO "C90"]
[WhiteElo "2152"]
[BlackElo "2174"]
[PlyCount "198"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. h3 g5 11. d4 g4 12. dxe5 dxe5 13. Qxd8+ Bxd8 14. Nxe5 gxh3 15. g3 h5 16. a4 b4 17. cxb4 cxb4 18. Bd2 Rb8 19. Nd3 Be7 20. Bf4 Rb7 21. Nd2 h4 22. Nf3 hxg3 23. Bxg3 b3 24. Bd1 Nc4 25. Nd4 Nh5 26. Bxb3 Nxg3 27. fxg3 Nd2 28. Bd5 Rb4 29. Rac1 Rxd4 30. Rxc8+ Kd7 31. Rxh8 Rxd3 32. Kf2 Nf3 33. Re3 Bc5 34. Kxf3 Rxe3+ 35. Kg4 Bd6 36. Rxh3 Ke7 37. b3 a5 38. Kh4 Be5 39. Kg4 Rc3 40. Kf5 Bxg3 41. Kg4 Be5 42. Rh7 Rg3+ 43. Kh4 Rg7 44. Rh5 Bf6+ 45. Kh3 Bd4 46. Rf5 Rh7+ 47. Kg4 Rg7+ 48. Kf3 Bf6 49. Ke2 Bd4 50. Kd3 Bc5 51. Kc4 Bb4 52. Kb5 f6 53. Rh5 Bc3 54. Kc4 Bb4 55. Rh8 Kd6 56. Ra8 Ke5 57. Re8+ Kf4 58. Re6 Rg6 59. Rc6 Rh6 60. Ra6 Ke5 61. Re6+ Kf4 62. Ra6 Ke5 63. Kb5 Rh4 64. Re6+ Kd4 65. Rxf6 Rh8 66. Rb6 Rc8 67. Rc6 Rb8+ 68. Ka6 Ra8+ 69. Kb7 Re8 70. Kc7 Re7+ 71. Kd8 Rg7 72. Rc4+ Ke5 73. Rc7 Rg4 74. Re7+ Bxe7+ 75. Kxe7 Rg7+ 76. Kd8 Kd6 77. Ke8 Rc7 78. Kf8 Ke5 79. Ke8 Rc5 80. Kd7 Rc1 81. Ke7 Rc7+ 82. Kd8 Rg7 83. Ke8 Kd6 84. Kf8 Rg5 85. Kf7 Rxd5 86. exd5 Kxd5 87. Kf6 Kc5 88. Ke5 Kb4 89. Kd4 Kxb3 90. Kd3 Kxa4 91. Kc4 Ka3 92. Kc3 Ka2 93. Kc2 a4 94. Kc1 Ka1 95. Kc2 a3 96. Kc1 Ka2 97. Kc2 Ka1 98. Kc1 Ka2 99. Kc2 Ka1 1/2-1/2

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "3"]
[White "Lindholm, Jere"]
[Black "Piddubna, Bozhena"]
[Result "1/2-1/2"]
[ECO "C90"]
[WhiteElo "2152"]
[BlackElo "2174"]
[PlyCount "198"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. h3 g5 11. d4 g4 12. dxe5 dxe5 13. Qxd8+ Bxd8 14. Nxe5 gxh3 15. g3 h5 16. a4 b4 17. cxb4 cxb4 18. Bd2 Rb8 19. Nd3 Be7 20. Bf4 Rb7 21. Nd2 h4 22. Nf3 hxg3 23. Bxg3 b3 24. Bd1 Nc4 25. Nd4 Nh5 26. Bxb3 Nxg3 27. fxg3 Nd2 28. Bd5 Rb4 29. Rac1 Rxd4 30. Rxc8+ Kd7 31. Rxh8 Rxd3 32. Kf2 Nf3 33. Re3 Bc5 34. Kxf3 Rxe3+ 35. Kg4 Bd6 36. Rxh3 Ke7 37. b3 a5 38. Kh4 Be5 39. Kg4 Rc3 40. Kf5 Bxg3 41. Kg4 Be5 42. Rh7 Rg3+ 43. Kh4 Rg7 44. Rh5 Bf6+ 45. Kh3 Bd4 46. Rf5 Rh7+ 47. Kg4 Rg7+ 48. Kf3 Bf6 49. Ke2 Bd4 50. Kd3 Bc5 51. Kc4 Bb4 52. Kb5 f6 53. Rh5 Bc3 54. Kc4 Bb4 55. Rh8 Kd6 56. Ra8 Ke5 57. Re8+ Kf4 58. Re6 Rg6 59. Rc6 Rh6 60. Ra6 Ke5 61. Re6+ Kf4 62. Ra6 Ke5 63. Kb5 Rh4 64. Re6+ Kd4 65. Rxf6 Rh8 66. Rb6 Rc8 67. Rc6 Rb8+ 68. Ka6 Ra8+ 69. Kb7 Re8 70. Kc7 Re7+ 71. Kd8 Rg7 72. Rc4+ Ke5 73. Rc7 Rg4 74. Re7+ Bxe7+ 75. Kxe7 Rg7+ 76. Kd8 Kd6 77. Ke8 Rc7 78. Kf8 Ke5 79. Ke8 Rc5 80. Kd7 Rc1 81. Ke7 Rc7+ 82. Kd8 Rg7 83. Ke8 Kd6 84. Kf8 Rg5 85. Kf7 Rxd5 86. exd5 Kxd5 87. Kf6 Kc5 88. Ke5 Kb4 89. Kd4 Kxb3 90. Kd3 Kxa4 91. Kc4 Ka3 92. Kc3 Ka2 93. Kc2 a4 94. Kc1 Ka1 95. Kc2 a3 96. Kc1 Ka2 97. Kc2 Ka1 98. Kc1 Ka2 99. Kc2 Ka1 1/2-1/2

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "4"]
[White "Liu, Zhaoqi"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "E27"]
[WhiteElo "2400"]
[BlackElo "2174"]
[PlyCount "69"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 0-0 7. cxd5 exd5 8. e3 Re8 9. Bd3 Nh5 10. Nh3 Qh4+ 11. Nf2 Nd7 12. 0-0 Ndf6 13. Ra2 c6 14. e4 dxe4 15. fxe4 Bg4 16. Nxg4 Nxg4 17. g3 Qh3 18. Qf3 Re7 19. e5 g6 20. Bg5 Rd7 21. Bc4 h6 22. e6 hxg5 23. exd7 Nhf6 24. Re1 Qh7 25. Re7 Rd8 26. Rxf7 Qxf7 27. Bxf7+ Kxf7 28. h3 Nh6 29. d5 Rxd7 30. dxc6 bxc6 31. Qxc6 Nf5 32. g4 Ng3 33. Rf2 Rd1+ 34. Kg2 Nge4 35. Qc7+ 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "4"]
[White "Liu, Zhaoqi"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "E27"]
[WhiteElo "2400"]
[BlackElo "2174"]
[PlyCount "69"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 0-0 7. cxd5 exd5 8. e3 Re8 9. Bd3 Nh5 10. Nh3 Qh4+ 11. Nf2 Nd7 12. 0-0 Ndf6 13. Ra2 c6 14. e4 dxe4 15. fxe4 Bg4 16. Nxg4 Nxg4 17. g3 Qh3 18. Qf3 Re7 19. e5 g6 20. Bg5 Rd7 21. Bc4 h6 22. e6 hxg5 23. exd7 Nhf6 24. Re1 Qh7 25. Re7 Rd8 26. Rxf7 Qxf7 27. Bxf7+ Kxf7 28. h3 Nh6 29. d5 Rxd7 30. dxc6 bxc6 31. Qxc6 Nf5 32. g4 Ng3 33. Rf2 Rd1+ 34. Kg2 Nge4 35. Qc7+ 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "9"]
[White "Luukkonen, Tommi"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "2250"]
[BlackElo "2174"]
[PlyCount "97"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Re1 d5 8. cxd5 exd5 9. Nc3 Nbd7 10. Bf4 c5 11. Nb5 a6 12. Nd6 Bxd6 13. Bxd6 Re8 14. e3 Ne4 15. Bf4 c4 16. h4 h6 17. h5 Ndf6 18. Ne5 Bc8 19. f3 Nd6 20. g4 Nh7 21. Bg3 Ng5 22. b3 b5 23. bxc4 bxc4 24. Rb1 Be6 25. e4 Nb5 26. Qd2 dxe4 27. f4 Nf3+ 28. Bxf3 exf3 29. f5 Bd5 30. a4 Nd6 31. Qf4 c3 32. Rb6 Nc8 33. Rxh6 gxh6 34. f6 Re6 35. g5 Nd6 36. Qg4 Kh8 37. Bh4 f2+ 38. Kxf2 Qg8 39. g6 Ne4+ 40. Rxe4 fxg6 41. f7 Qg7 42. Nxg6+ Kh7 43. Rxe6 Bxe6 44. Qxe6 Qxd4+ 45. Kg2 Qd2+ 46. Bf2 Qg5+ 47. Bg3 Qd2+ 48. Kh3 c2 49. f8Q 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "9"]
[White "Luukkonen, Tommi"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "2250"]
[BlackElo "2174"]
[PlyCount "97"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Re1 d5 8. cxd5 exd5 9. Nc3 Nbd7 10. Bf4 c5 11. Nb5 a6 12. Nd6 Bxd6 13. Bxd6 Re8 14. e3 Ne4 15. Bf4 c4 16. h4 h6 17. h5 Ndf6 18. Ne5 Bc8 19. f3 Nd6 20. g4 Nh7 21. Bg3 Ng5 22. b3 b5 23. bxc4 bxc4 24. Rb1 Be6 25. e4 Nb5 26. Qd2 dxe4 27. f4 Nf3+ 28. Bxf3 exf3 29. f5 Bd5 30. a4 Nd6 31. Qf4 c3 32. Rb6 Nc8 33. Rxh6 gxh6 34. f6 Re6 35. g5 Nd6 36. Qg4 Kh8 37. Bh4 f2+ 38. Kxf2 Qg8 39. g6 Ne4+ 40. Rxe4 fxg6 41. f7 Qg7 42. Nxg6+ Kh7 43. Rxe6 Bxe6 44. Qxe6 Qxd4+ 45. Kg2 Qd2+ 46. Bf2 Qg5+ 47. Bg3 Qd2+ 48. Kh3 c2 49. f8Q 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "11"]
[White "Murawski, Jan"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "A18"]
[WhiteElo "2191"]
[BlackElo "2174"]
[PlyCount "42"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 Be7 8. d4 h6 9. Bd3 b6 10. Be4 c6 11. h4 Bb7 12. Qa4 Bd6 13. Rb1 Bf4 14. c5 Bxc1 15. Rxc1 Qf4 16. Qc2 bxc5 17. dxc5 Nd7 18. g3 Qf6 19. Nd4 Nxc5 20. Bxc6+ Bxc6 21. Nxc6 Qf3 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "11"]
[White "Murawski, Jan"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "A18"]
[WhiteElo "2191"]
[BlackElo "2174"]
[PlyCount "42"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 Be7 8. d4 h6 9. Bd3 b6 10. Be4 c6 11. h4 Bb7 12. Qa4 Bd6 13. Rb1 Bf4 14. c5 Bxc1 15. Rxc1 Qf4 16. Qc2 bxc5 17. dxc5 Nd7 18. g3 Qf6 19. Nd4 Nxc5 20. Bxc6+ Bxc6 21. Nxc6 Qf3 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "2"]
[White "Piddubna, Bozhena"]
[Black "Csonka, Balazs"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "2174"]
[BlackElo "2469"]
[PlyCount "160"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c5 5. Nc3 Qa5 6. Bg2 Ne4 7. Qd3 cxd4 8. Nxd4 Nc5 9. Qe3 Nc6 10. Ndb5 Ne6 11. Bd2 Qd8 12. 0-0 a6 13. Na3 0-0 14. Nc2 b5 15. cxb5 axb5 16. Nxb5 Bxb2 17. Rab1 Bg7 18. a3 Ba6 19. a4 Rc8 20. Nca3 Ncd4 21. Rfe1 d6 22. Bc3 Bxb5 23. Nxb5 Nc2 24. Qd2 Bxc3 25. Nxc3 Nxe1 26. Qxe1 Qa5 27. Nd5 Qxe1+ 28. Rxe1 Rfe8 29. Ra1 Nd4 30. a5 Nb3 31. Ra3 Rc1+ 32. Bf1 Nd2 33. Ne3 Ra8 34. Ra2 Nxf1 35. Nxf1 Rc5 36. Ne3 Rcxa5 37. Rb2 R5a7 38. Kg2 e6 39. h4 h5 40. Nc4 d5 41. Ne5 Kg7 42. e3 Rc8 43. Rd2 Rcc7 44. Rb2 f6 45. Nd3 Rab7 46. Nf4 Kf7 47. Ra2 Rc6 48. Ra8 Rd7 49. Rh8 e5 50. Rh7+ Ke8 51. Rh8+ Kf7 52. Rh7+ Ke8 53. Rh8+ Ke7 54. Nxg6+ Kd6 55. Rxh5 d4 56. exd4 exd4 57. Nf4 Kc7 58. Nd5+ Kb7 59. Nb4 Rc3 60. Rb5+ Kc7 61. Nd5+ Kc6 62. Nxc3 dxc3 63. Rb1 Kc5 64. Rc1 Kc4 65. Kf3 Kd3 66. h5 Kd2 67. Ra1 c2 68. h6 Rh7 69. Ra2 Rxh6 70. Kf4 Rh5 71. g4 Rb5 72. f3 Kd1 73. Rxc2 Kxc2 74. Ke4 Kc3 75. f4 Kc4 76. f5 Kc5 77. g5 fxg5 78. f6 Kd6 79. f7 Ke7 80. f8Q+ Kxf8 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "2"]
[White "Piddubna, Bozhena"]
[Black "Csonka, Balazs"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "2174"]
[BlackElo "2469"]
[PlyCount "160"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c5 5. Nc3 Qa5 6. Bg2 Ne4 7. Qd3 cxd4 8. Nxd4 Nc5 9. Qe3 Nc6 10. Ndb5 Ne6 11. Bd2 Qd8 12. 0-0 a6 13. Na3 0-0 14. Nc2 b5 15. cxb5 axb5 16. Nxb5 Bxb2 17. Rab1 Bg7 18. a3 Ba6 19. a4 Rc8 20. Nca3 Ncd4 21. Rfe1 d6 22. Bc3 Bxb5 23. Nxb5 Nc2 24. Qd2 Bxc3 25. Nxc3 Nxe1 26. Qxe1 Qa5 27. Nd5 Qxe1+ 28. Rxe1 Rfe8 29. Ra1 Nd4 30. a5 Nb3 31. Ra3 Rc1+ 32. Bf1 Nd2 33. Ne3 Ra8 34. Ra2 Nxf1 35. Nxf1 Rc5 36. Ne3 Rcxa5 37. Rb2 R5a7 38. Kg2 e6 39. h4 h5 40. Nc4 d5 41. Ne5 Kg7 42. e3 Rc8 43. Rd2 Rcc7 44. Rb2 f6 45. Nd3 Rab7 46. Nf4 Kf7 47. Ra2 Rc6 48. Ra8 Rd7 49. Rh8 e5 50. Rh7+ Ke8 51. Rh8+ Kf7 52. Rh7+ Ke8 53. Rh8+ Ke7 54. Nxg6+ Kd6 55. Rxh5 d4 56. exd4 exd4 57. Nf4 Kc7 58. Nd5+ Kb7 59. Nb4 Rc3 60. Rb5+ Kc7 61. Nd5+ Kc6 62. Nxc3 dxc3 63. Rb1 Kc5 64. Rc1 Kc4 65. Kf3 Kd3 66. h5 Kd2 67. Ra1 c2 68. h6 Rh7 69. Ra2 Rxh6 70. Kf4 Rh5 71. g4 Rb5 72. f3 Kd1 73. Rxc2 Kxc2 74. Ke4 Kc3 75. f4 Kc4 76. f5 Kc5 77. g5 fxg5 78. f6 Kd6 79. f7 Ke7 80. f8Q+ Kxf8 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "5"]
[White "Piddubna, Bozhena"]
[Black "Fernandez Siles, Luis"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2174"]
[BlackElo "2170"]
[PlyCount "85"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. g3 d6 6. Bg2 c6 7. 0-0 Qa5 8. e4 e5 9. dxe5 dxe5 10. Bd2 Bg4 11. Qb3 Bxf3 12. Bxf3 Qc7 13. Be3 h5 14. h4 Na6 15. Rad1 Nd7 16. Qa3 Rfe8 17. Rd2 Bf8 18. Qa4 Ndc5 19. Qc2 Ne6 20. a3 Bc5 21. Rfd1 Bd4 22. b4 Qe7 23. Bh6 Qf6 24. Bg2 g5 25. Bxg5 Nxg5 26. hxg5 Qxg5 27. Ne2 c5 28. bxc5 Bxc5 29. Rd7 Rad8 30. Rxb7 Rxd1+ 31. Qxd1 Rd8 32. Qa4 Qf6 33. Kh2 Bd4 34. Rd7 h4 35. Rxd8+ Qxd8 36. Qxa6 hxg3+ 37. fxg3 Bb6 38. Qb7 Qd1 39. Qc8+ Kh7 40. Qf5+ Kg7 41. Qxe5+ f6 42. Qe7+ Kg6 43. Nf4+ 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "5"]
[White "Piddubna, Bozhena"]
[Black "Fernandez Siles, Luis"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2174"]
[BlackElo "2170"]
[PlyCount "85"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. g3 d6 6. Bg2 c6 7. 0-0 Qa5 8. e4 e5 9. dxe5 dxe5 10. Bd2 Bg4 11. Qb3 Bxf3 12. Bxf3 Qc7 13. Be3 h5 14. h4 Na6 15. Rad1 Nd7 16. Qa3 Rfe8 17. Rd2 Bf8 18. Qa4 Ndc5 19. Qc2 Ne6 20. a3 Bc5 21. Rfd1 Bd4 22. b4 Qe7 23. Bh6 Qf6 24. Bg2 g5 25. Bxg5 Nxg5 26. hxg5 Qxg5 27. Ne2 c5 28. bxc5 Bxc5 29. Rd7 Rad8 30. Rxb7 Rxd1+ 31. Qxd1 Rd8 32. Qa4 Qf6 33. Kh2 Bd4 34. Rd7 h4 35. Rxd8+ Qxd8 36. Qxa6 hxg3+ 37. fxg3 Bb6 38. Qb7 Qd1 39. Qc8+ Kh7 40. Qf5+ Kg7 41. Qxe5+ f6 42. Qe7+ Kg6 43. Nf4+ 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "8"]
[White "Piddubna, Bozhena"]
[Black "Kacharava, Nikoloz"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2174"]
[BlackElo "2516"]
[PlyCount "136"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 c6 6. 0-0 b5 7. Ne5 Bb7 8. b3 cxb3 9. axb3 Be7 10. Bb2 0-0 11. Qc2 Qb6 12. Nd2 Rc8 13. Ne4 Nbd7 14. Ng5 Nf8 15. Ngxf7 c5 16. Qd3 Bxg2 17. Kxg2 c4 18. Qf3 cxb3 19. Qxb3 Qb7+ 20. Kg1 Qd5 21. Qd3 a5 22. Ng5 a4 23. e4 Qb3 24. Qxb3 axb3 25. Nc6 Bd8 26. Na7 Rc2 27. Rfb1 h6 28. Nh3 Nxe4 29. Kg2 Nd2 30. Nxb5 Rxa1 31. Rxa1 Rxb2 32. Ra8 Be7 33. Nf4 Ra2 34. Rb8 b2 35. Nc3 Bd6 36. Rb7 Ra3 37. Rxb2 Bxf4 38. gxf4 Rxc3 39. Rxd2 Ng6 40. f5 Nh4+ 41. Kf1 Nf3 42. Rd1 exf5 43. d5 Kf7 44. Kg2 Ne5 45. d6 Rd3 46. Re1 Kf6 47. f4 Nf3 48. Re2 Nh4+ 49. Kf2 Rxd6 50. Ra2 Kg6 51. Kg3 Kh5 52. Ra5 Rd3+ 53. Kf2 Rf3+ 54. Ke2 Rxf4 55. Rb5 g5 56. Rb6 Re4+ 57. Kf1 f4 58. Kf2 Ra4 59. Rb2 Kg4 60. Rc2 Ra3 61. Ra2 Rf3+ 62. Kg1 Nf5 63. Rg2+ Ng3 64. hxg3 Rxg3 65. Rxg3+ Kxg3 66. Kh1 f3 67. Kg1 f2+ 68. Kh1 f1Q# 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "8"]
[White "Piddubna, Bozhena"]
[Black "Kacharava, Nikoloz"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2174"]
[BlackElo "2516"]
[PlyCount "136"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 c6 6. 0-0 b5 7. Ne5 Bb7 8. b3 cxb3 9. axb3 Be7 10. Bb2 0-0 11. Qc2 Qb6 12. Nd2 Rc8 13. Ne4 Nbd7 14. Ng5 Nf8 15. Ngxf7 c5 16. Qd3 Bxg2 17. Kxg2 c4 18. Qf3 cxb3 19. Qxb3 Qb7+ 20. Kg1 Qd5 21. Qd3 a5 22. Ng5 a4 23. e4 Qb3 24. Qxb3 axb3 25. Nc6 Bd8 26. Na7 Rc2 27. Rfb1 h6 28. Nh3 Nxe4 29. Kg2 Nd2 30. Nxb5 Rxa1 31. Rxa1 Rxb2 32. Ra8 Be7 33. Nf4 Ra2 34. Rb8 b2 35. Nc3 Bd6 36. Rb7 Ra3 37. Rxb2 Bxf4 38. gxf4 Rxc3 39. Rxd2 Ng6 40. f5 Nh4+ 41. Kf1 Nf3 42. Rd1 exf5 43. d5 Kf7 44. Kg2 Ne5 45. d6 Rd3 46. Re1 Kf6 47. f4 Nf3 48. Re2 Nh4+ 49. Kf2 Rxd6 50. Ra2 Kg6 51. Kg3 Kh5 52. Ra5 Rd3+ 53. Kf2 Rf3+ 54. Ke2 Rxf4 55. Rb5 g5 56. Rb6 Re4+ 57. Kf1 f4 58. Kf2 Ra4 59. Rb2 Kg4 60. Rc2 Ra3 61. Ra2 Rf3+ 62. Kg1 Nf5 63. Rg2+ Ng3 64. hxg3 Rxg3 65. Rxg3+ Kxg3 66. Kh1 f3 67. Kg1 f2+ 68. Kh1 f1Q# 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "1"]
[White "Piddubna, Bozhena"]
[Black "Novikova, Margarita"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2174"]
[BlackElo "1969"]
[PlyCount "101"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 c5 8. dxc5 Bxc5 9. Qxc4 Be7 10. Nc3 a6 11. Qb3 Nc6 12. Be3 Qa5 13. a3 Qh5 14. h3 e5 15. h4 Ng4 16. Nd5 Nxe3 17. Nxe7+ Nxe7 18. Qxe3 Nc6 19. Rfd1 Bg4 20. Rd5 Be6 21. Rc5 f6 22. Rac1 Bg4 23. Qb3+ Qf7 24. Qb6 Kh8 25. e3 e4 26. Nh2 Qg6 27. Nxg4 Qxg4 28. Qxb7 Ne5 29. Qxe4 Qe2 30. R5c2 Qh5 31. Qxa8 Rxa8 32. Rc8+ Qe8 33. Bxa8 Qg8 34. Rxg8+ Kxg8 35. Bd5+ Kf8 36. Rc7 h5 37. b4 Nd3 38. Ra7 Ne5 39. Rxa6 Ke7 40. Ra7+ Kf8 41. b5 Ke8 42. b6 Kd8 43. Rc7 Nd7 44. Rc6 Nb8 45. Rc2 Kd7 46. b7 Kd6 47. Bf3 g6 48. Rc8 Na6 49. Rc6+ Kd7 50. Rxa6 Kc7 51. Ra8 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "1"]
[White "Piddubna, Bozhena"]
[Black "Novikova, Margarita"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2174"]
[BlackElo "1969"]
[PlyCount "101"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 c5 8. dxc5 Bxc5 9. Qxc4 Be7 10. Nc3 a6 11. Qb3 Nc6 12. Be3 Qa5 13. a3 Qh5 14. h3 e5 15. h4 Ng4 16. Nd5 Nxe3 17. Nxe7+ Nxe7 18. Qxe3 Nc6 19. Rfd1 Bg4 20. Rd5 Be6 21. Rc5 f6 22. Rac1 Bg4 23. Qb3+ Qf7 24. Qb6 Kh8 25. e3 e4 26. Nh2 Qg6 27. Nxg4 Qxg4 28. Qxb7 Ne5 29. Qxe4 Qe2 30. R5c2 Qh5 31. Qxa8 Rxa8 32. Rc8+ Qe8 33. Bxa8 Qg8 34. Rxg8+ Kxg8 35. Bd5+ Kf8 36. Rc7 h5 37. b4 Nd3 38. Ra7 Ne5 39. Rxa6 Ke7 40. Ra7+ Kf8 41. b5 Ke8 42. b6 Kd8 43. Rc7 Nd7 44. Rc6 Nb8 45. Rc2 Kd7 46. b7 Kd6 47. Bf3 g6 48. Rc8 Na6 49. Rc6+ Kd7 50. Rxa6 Kc7 51. Ra8 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "10"]
[White "Piddubna, Bozhena"]
[Black "Ocampos, Ian Guido"]
[Result "0-1"]
[ECO "A60"]
[WhiteElo "2174"]
[BlackElo "2219"]
[PlyCount "74"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. dxe6 fxe6 5. Nc3 d5 6. e3 Nc6 7. Nf3 d4 8. exd4 cxd4 9. Nb1 e5 10. Bd2 e4 11. Nh4 e3 12. fxe3 Ng4 13. Nf3 dxe3 14. Qe2 Nb4 15. Bxe3 Qe7 16. Kd2 Nxe3 17. Qxe3 Qxe3+ 18. Kxe3 Nc2+ 19. Kd2 Nxa1 20. Bd3 Bg4 21. Nc3 Be7 22. Rxa1 0-0-0 23. Kc2 Rhe8 24. Nd5 Bf8 25. Ng5 h6 26. Ne4 Kb8 27. Nec3 Bc5 28. h3 Bc8 29. b4 Bd4 30. Rf1 Rf8 31. Re1 Rde8 32. Rd1 Rf2+ 33. Kb3 Bxc3 34. Nxc3 Rxg2 35. Be4 Rg3 36. h4 Rxe4 37. Rd8 Ree3 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "10"]
[White "Piddubna, Bozhena"]
[Black "Ocampos, Ian Guido"]
[Result "0-1"]
[ECO "A60"]
[WhiteElo "2174"]
[BlackElo "2219"]
[PlyCount "74"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. dxe6 fxe6 5. Nc3 d5 6. e3 Nc6 7. Nf3 d4 8. exd4 cxd4 9. Nb1 e5 10. Bd2 e4 11. Nh4 e3 12. fxe3 Ng4 13. Nf3 dxe3 14. Qe2 Nb4 15. Bxe3 Qe7 16. Kd2 Nxe3 17. Qxe3 Qxe3+ 18. Kxe3 Nc2+ 19. Kd2 Nxa1 20. Bd3 Bg4 21. Nc3 Be7 22. Rxa1 0-0-0 23. Kc2 Rhe8 24. Nd5 Bf8 25. Ng5 h6 26. Ne4 Kb8 27. Nec3 Bc5 28. h3 Bc8 29. b4 Bd4 30. Rf1 Rf8 31. Re1 Rde8 32. Rd1 Rf2+ 33. Kb3 Bxc3 34. Nxc3 Rxg2 35. Be4 Rg3 36. h4 Rxe4 37. Rd8 Ree3 0-1

[Event "EU-ch (Women) 25th"]
[Site "Rhodes"]
[Date "2025.04.11"]
[Round "11"]
[White "Piddubna, Bozhena"]
[Black "Tsetskhladze, Mariam"]
[Result "1-0"]
[ECO "E52"]
[WhiteElo "2134"]
[BlackElo "2105"]
[PlyCount "165"]
[EventDate "2025.03.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd2 d5 6. Nf3 b6 7. cxd5 exd5 8. Bd3 Bb7 9. Rc1 Be7 10. 0-0 c5 11. Ne5 Nc6 12. a3 Bd6 13. Ng4 cxd4 14. exd4 Nxd4 15. Bg5 Be7 16. Bxh7+ Kxh7 17. Qxd4 Nxg4 18. Bxe7 Qxe7 19. Qxg4 Rad8 20. Rcd1 Kg8 21. Rd4 Rfe8 22. h3 Qf6 23. Rfd1 Re5 24. Qh4 Qxh4 25. Rxh4 Rde8 26. Rd2 Bc6 27. Rhd4 Rd8 28. f4 Re7 29. Kf2 Red7 30. g4 g6 31. Kg3 Kg7 32. Re2 Kf8 33. h4 Re7 34. f5 gxf5 35. g5 Rxe2 36. Nxe2 Re8 37. Nc3 f6 38. Kf4 fxg5+ 39. hxg5 Kg7 40. Kxf5 Bd7+ 41. Kf4 Rf8+ 42. Ke5 Kg6 43. Rxd5 Bf5 44. Rd2 Kxg5 45. Rg2+ Kh6 46. Nd5 Bd3 47. Ne7 Rf7 48. Ng8+ Kh5 49. Nf6+ Kh6 50. Rg3 Bg6 51. Ke6 Rc7 52. Ng4+ Kh7 53. Ne5 Bb1 54. Rg2 Rc1 55. Kd6 Be4 56. Rf2 Kh6 57. Rf4 Bh1 58. Ke6 Kg5 59. Rg4+ Kh5 60. Rg7 a5 61. Nd3 Rf1 62. Ke5 Kh6 63. Rg3 b5 64. Kd4 a4 65. Re3 Kg7 66. Re1 Bg2 67. Re5 Bc6 68. Kc5 Rf6 69. Nb4 Bf3 70. Kxb5 Bd1 71. Nd3 Rf8 72. Re1 Rb8+ 73. Kc5 Bc2 74. Nb4 Bb3 75. Rf1 Rc8+ 76. Nc6 Bc2 77. Rf4 Re8 78. Nd4 Rc8+ 79. Kd6 Bd1 80. Nf5+ Kh7 81. Rh4+ Bh5 82. Rxh5+ Kg6 83. Ne7+ 1-0

[Event "EU-ch (Women) 25th"]
[Site "Rhodes"]
[Date "2025.04.10"]
[Round "10"]
[White "Rida, Ruqayyah"]
[Black "Piddubna, Bozhena"]
[Result "1/2-1/2"]
[ECO "C61"]
[WhiteElo "2065"]
[BlackElo "2134"]
[PlyCount "106"]
[EventDate "2025.03.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. 0-0 Ne7 6. d3 Ng6 7. f4 Be7 8. Nd2 0-0 9. f5 Ne5 10. Nf3 d6 11. Bf4 Bf6 12. Kh1 c5 13. Qe1 a6 14. Ba4 b5 15. Bb3 Bb7 16. Qg3 c4 17. Bxe5 dxe5 18. dxc4 Bxe4 19. cxb5 Bxf3 20. Qxf3 axb5 21. Rad1 Ra6 22. Rfe1 Qc7 23. Re2 Bg5 24. Qe4 Be3 25. Rf1 Qe7 26. g3 Rh6 27. Kg2 Qg5 28. h4 Qe7 29. c3 Qd6 30. Rd1 Qc5 31. Rc2 Qc6 32. Bd5 Qe8 33. Rd3 Rd6 34. Re2 Qd7 35. Bb3 Re8 36. Re1 Kf8 37. f6 Qc6 38. Qxc6 Rxc6 39. cxd4 exd4 40. fxg7+ Kxg7 41. Rxd4 Bxd4 42. Rxe8 Bxb2 43. Re7 Rf6 44. Rb7 Rf5 45. g4 Rf4 46. Kg3 Be5 47. g5 h6 48. Rxb5 Bc7 49. Rb7 Be5 50. Kg2 hxg5 51. hxg5 Kg6 52. Bd5 Kxg5 53. Bxf7 Bd6 1/2-1/2

[Event "EU-ch (Women) 25th"]
[Site "Rhodes"]
[Date "2025.04.09"]
[Round "9"]
[White "Piddubna, Bozhena"]
[Black "Guichard, Pauline"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "2134"]
[BlackElo "2355"]
[PlyCount "126"]
[EventDate "2025.03.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd2 Re8 6. Nf3 Nc6 7. Bd3 e5 8. dxe5 Ng4 9. Qc2 h6 10. e6 dxe6 11. h3 Nge5 12. Nxe5 Nxe5 13. Be2 Qh4 14. g3 Qe7 15. a3 Bd6 16. Ne4 b6 17. f4 Ng6 18. Bf3 Rb8 19. Nxd6 cxd6 20. 0-0 Bb7 21. e4 Rbc8 22. Qd3 Qc7 23. Rac1 Ba6 24. b3 Ne7 25. Qe3 Qb8 26. Rfd1 b5 27. cxb5 Rxc1 28. Rxc1 Bxb5 29. Be1 Bc6 30. Bb4 Rd8 31. Qd4 Qb7 32. Bc3 f6 33. Bb4 Kh8 34. Bg2 Qa8 35. Kh2 a5 36. Bc3 Rd7 37. Rc2 Bb7 38. Rd2 e5 39. fxe5 Nc6 40. Qb6 fxe5 41. Rf2 Qg8 42. Bf1 Rf7 43. Bc4 Rxf2+ 44. Qxf2 Qc8 45. Bd2 Nd4 46. Be3 Bxe4 47. Bxd4 exd4 48. Qxd4 Qf5 49. Be2 d5 50. b4 axb4 51. axb4 Qg5 52. Qc3 Qg6 53. Qd4 Qg5 54. Qc3 Qf5 55. Qd4 Qf8 56. b5 Qa3 57. b6 Qc1 58. Bd1 Qb1 59. g4 Qa2+ 60. Kg3 Qg2+ 61. Kh4 Kh7 62. Qe3 g5+ 63. Kh5 Qxh3+ 0-1

[Event "EU-ch (Women) 25th"]
[Site "Rhodes"]
[Date "2025.04.08"]
[Round "8"]
[White "Sliwicka, Alicja"]
[Black "Piddubna, Bozhena"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2376"]
[BlackElo "2134"]
[PlyCount "203"]
[EventDate "2025.03.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4 c6 6. d4 d5 7. Bd3 Bb4+ 8. Nbd2 Bg4 9. 0-0 Bxd2 10. Bxd2 0-0 11. Bb4 c5 12. Bxc5 Nxc5 13. dxc5 dxc4 14. Bxc4 Nd7 15. h3 Bxf3 16. Qxf3 Nxc5 17. b4 Qh4 18. Rac1 Ne4 19. Rfd1 Ng5 20. Qxb7 Rab8 21. Qxa7 Rxb4 22. Qc5 Rbb8 23. Rd4 Qh6 24. Re1 Rbc8 25. Qf5 Qb6 26. Rg4 h6 27. h4 Rc5 28. Qf4 Nh7 29. Qg3 Qb2 30. Kh2 h5 31. Rf4 Nf6 32. Qd3 Qb8 33. g3 Ng4+ 34. Kg1 Ne5 35. Qe2 Nxc4 36. Rxc4 Ra5 37. a4 Qb3 38. Rec1 Rxa4 39. R4c3 Qd5 40. Rc5 Qe4 41. Qxh5 Qg4 42. Qd5 Qe4 43. Qd7 Rd4 44. Qf5 Qxf5 45. Rxf5 Rfd8 46. Rcc5 g6 47. Rfe5 Kg7 48. Kg2 R8d7 49. Ra5 R7d6 50. Re3 Rd3 51. Rxd3 Rxd3 52. g4 Rb3 53. f3 Rc3 54. Kg3 Rb3 55. Ra4 Rc3 56. g5 Rb3 57. Kg4 Rb1 58. Re4 f5+ 59. gxf6+ Kxf6 60. Rf4+ Kg7 61. Ra4 Rb6 62. Ra5 Kf6 63. Ra7 Rb4+ 64. Kg3 Rb1 65. Ra6+ Kf5 66. Ra5+ Kf6 67. Ra4 Rb6 68. Rg4 Ra6 69. Rf4+ Kg7 70. Kg4 Ra1 71. Rc4 Ra6 72. Rc7+ Kf6 73. Rh7 Ra4+ 74. Kg3 Ra5 75. Rh8 Ra4 76. Rf8+ Kg7 77. Rf4 Ra6 78. Kg4 Ra1 79. Rd4 Ra6 80. Rd5 Kf6 81. f4 Rb6 82. h5 gxh5+ 83. Rxh5 Rb1 84. Rh6+ Kg7 85. Ra6 Rb5 86. Re6 Kf7 87. Re4 Kf6 88. Rc4 Ra5 89. f5 Ra1 90. Rc6+ Kf7 91. Rc4 Rg1+ 92. Kf4 Rf1+ 93. Ke5 Re1+ 94. Re4 Rxe4+ 95. Kxe4 Kf6 96. Kf4 Kf7 97. Ke5 Ke7 98. f6+ Kf7 99. Kf5 Kf8 100. Kg6 Kg8 101. f7+ Kf8 102. Kf6 1/2-1/2

[Event "EU-ch (Women) 25th"]
[Site "Rhodes"]
[Date "2025.04.07"]
[Round "7"]
[White "Piddubna, Bozhena"]
[Black "Mihaljevic, Eva"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2134"]
[BlackElo "2030"]
[PlyCount "49"]
[EventDate "2025.03.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 a5 7. Qc2 c6 8. Nbd2 b6 9. Rd1 Bb7 10. Ne5 Nfd7 11. Ndf3 Qc8 12. Ng5 Bxg5 13. Bxg5 Nxe5 14. dxe5 Qc7 15. cxd5 exd5 16. Bxd5 Qxe5 17. Bf4 Qf6 18. Be4 g6 19. Rd6 Qe7 20. Rad1 f5 21. Bh6 Re8 22. Qb3+ Qf7 23. Bc2 Qxb3 24. Bxb3+ Kh8 25. Rd8 1-0

[Event "EU-ch (Women) 25th"]
[Site "Rhodes"]
[Date "2025.04.05"]
[Round "6"]
[White "Radeva, Viktoria"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2265"]
[BlackElo "2134"]
[PlyCount "95"]
[EventDate "2025.03.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. Re1 d6 7. a4 Na5 8. Ba2 c5 9. c3 Nc6 10. Na3 Be6 11. Bxe6 fxe6 12. Bd2 Kh8 13. Nc2 Nh5 14. d4 Qe8 15. b4 cxd4 16. cxd4 Bf6 17. Be3 Qg6 18. b5 Na5 19. dxe5 dxe5 20. Qd7 Rfe8 21. Qc7 Bd8 22. Qc3 Nf4 23. g3 Nh3+ 24. Kg2 Nf4+ 25. Kh1 Nh3 26. Nxe5 Qxe4+ 27. f3 Qf5 28. Bd4 Bb6 29. Ne3 Bxd4 30. Qxd4 Qf6 31. N3g4 Qf5 32. Nh6 Nf2+ 33. Kg1 Nh3+ 34. Kf1 Nb3 35. Nef7+ Qxf7 36. Nxf7+ Kg8 37. Nh6+ gxh6 38. Qg4+ Ng5 39. f4 Rac8 40. fxg5 Rc4 41. Qe2 hxg5 42. Kg1 Rc3 43. Qh5 Rec8 44. Qxg5+ Kh8 45. Qf6+ Kg8 46. Qxe6+ Kh8 47. Qf6+ Kg8 48. Re7 1-0

[Event "EU-ch (Women) 25th"]
[Site "Rhodes"]
[Date "2025.04.04"]
[Round "5"]
[White "Piddubna, Bozhena"]
[Black "Bhatia, Kanishka"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2134"]
[BlackElo "2028"]
[PlyCount "147"]
[EventDate "2025.03.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Re8 8. Bxf6 Bxf6 9. Qh5 g6 10. Qxd5 Bxd4 11. Nge2 Bg7 12. Bc4 Qe7 13. 0-0 c6 14. Qd2 Nd7 15. Nd4 Ne5 16. Be2 Be6 17. Nxe6 Qxe6 18. Rfd1 Nc4 19. Bxc4 Qxc4 20. Rac1 Re7 21. b3 Qh4 22. Ne2 Rae8 23. Rc4 Qf6 24. Rd4 h5 25. Rd3 Bh6 26. Nd4 Bg7 27. Nf3 Qf5 28. h3 Bf6 29. Rd6 Re6 30. Rd7 R6e7 31. Rd3 g5 32. Nd4 Qg6 33. Ne2 Qf5 34. Ng3 Qg6 35. Rd6 Re6 36. Qe2 g4 37. hxg4 hxg4 38. Rxe6 Rxe6 39. Qd3 Qxd3 40. Rxd3 Re8 41. Rd7 Re7 42. Rxe7 Bxe7 43. Nf5 Bg5 44. Kh2 Kh7 45. Kg3 Kg6 46. Kxg4 c5 47. Nd6 f5+ 48. Nxf5 b5 49. Nd6 a6 50. Kf3 Be7 51. Nc8 Bf8 52. Ke4 a5 53. Na7 c4 54. Nxb5 cxb3 55. axb3 Bb4 56. Kd5 Kf6 57. e4 Be1 58. f3 Bg3 59. Nc3 Be5 60. Ne2 Bb2 61. f4 Ke7 62. e5 Kf7 63. f5 Ke7 64. g4 Kd7 65. f6 a4 66. bxa4 Ke8 67. Ke6 Kf8 68. g5 Kg8 69. g6 Ba3 70. a5 Bc5 71. a6 Ba7 72. Kd7 Be3 73. e6 Bc5 74. Nf4 1-0

[Event "EU-ch (Women) 25th"]
[Site "Rhodes"]
[Date "2025.04.03"]
[Round "4"]
[White "Shuqja, Klean"]
[Black "Piddubna, Bozhena"]
[Result "1/2-1/2"]
[ECO "C75"]
[WhiteElo "2024"]
[BlackElo "2134"]
[PlyCount "76"]
[EventDate "2025.03.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. 0-0 Nge7 7. d4 Ng6 8. d5 Nb8 9. Bc2 Be7 10. Be3 0-0 11. Qd2 f5 12. exf5 Bxf5 13. Bxf5 Rxf5 14. c4 Qd7 15. Qe2 Rf7 16. Nc3 Qf5 17. Nd2 Nd7 18. Nde4 Nf4 19. Bxf4 exf4 20. f3 Ne5 21. b4 g5 22. c5 Rg7 23. cxd6 cxd6 24. Nf2 Rc8 25. Rac1 h5 26. Qe4 Qd7 27. Ne2 g4 28. Rxc8+ Qxc8 29. Rc1 Qd7 30. fxg4 f3 31. gxf3 hxg4 32. f4 Nf3+ 33. Kg2 Rh7 34. h3 Nh4+ 35. Kh2 Nf3+ 36. Kg2 Nh4+ 37. Kh2 Nf3+ 38. Kg2 Nh4+ 1/2-1/2

[Event "EU-ch (Women) 25th"]
[Site "Rhodes"]
[Date "2025.04.02"]
[Round "3"]
[White "Injac, Teodora"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2455"]
[BlackElo "2134"]
[PlyCount "105"]
[EventDate "2025.03.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 Be7 4. e4 d6 5. Ngf3 0-0 6. Bd3 Nbd7 7. h3 e5 8. c3 a5 9. Be3 b6 10. 0-0 Ba6 11. Bxa6 Rxa6 12. a4 Qa8 13. Re1 Re8 14. Qb3 Qb7 15. Rad1 Raa8 16. Qb5 Bf8 17. Bg5 exd4 18. cxd4 h6 19. Bh4 d5 20. e5 c6 21. Qd3 Nh7 22. Bg3 Bb4 23. Nh4 Ng5 24. Nf5 Re6 25. h4 Bxd2 26. Qxd2 Ne4 27. Qf4 Nf8 28. h5 f6 29. Bh4 fxe5 30. dxe5 Qf7 31. Qg4 Kh8 32. f3 Nc5 33. Nd6 Qd7 34. Rd4 Nb7 35. Nf5 Rae8 36. f4 Qf7 37. Rdd1 Rc8 38. Nd4 Ree8 39. f5 Nc5 40. e6 Qg8 41. Nf3 Ne4 42. Ne5 Rc7 43. Rxe4 dxe4 44. Qxe4 b5 45. Rd8 Nxe6 46. Ng6+ Kh7 47. fxe6 Rxd8 48. Ne7+ Kh8 49. Nxg8 Rxg8 50. e7 Re8 51. Qe6 bxa4 52. Qf7 Rcc8 53. Bg3 1-0

[Event "EU-ch (Women) 25th"]
[Site "Rhodes"]
[Date "2025.04.01"]
[Round "2"]
[White "Piddubna, Bozhena"]
[Black "Heinemann, Josefine"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2134"]
[BlackElo "2342"]
[PlyCount "144"]
[EventDate "2025.03.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 g6 5. e3 Bf5 6. Qb3 Qb6 7. Nbd2 Bg7 8. Be2 0-0 9. 0-0 Qc7 10. Ne5 Nbd7 11. Ndf3 Nxe5 12. Nxe5 Be6 13. Qc2 c5 14. b3 cxd4 15. exd4 Bf5 16. Bd3 Bxd3 17. Nxd3 dxc4 18. Qxc4 Rac8 19. Ne5 Qa5 20. Qe2 Qc3 21. Ba3 Qxd4 22. Rad1 Qe4 23. Qxe4 Nxe4 24. Rfe1 Bxe5 25. Rxe4 Bf6 26. Rd7 Rfd8 27. Rc4 Rxd7 28. Rxc8+ Kg7 29. g3 h5 30. h4 Rd1+ 31. Kg2 Rd2 32. Rc7 Bd4 33. Bxe7 Rxf2+ 34. Kh3 Rxa2 35. Rxb7 Re2 36. b4 Rb2 37. Rd7 Be5 38. Rd3 Rc2 39. Bc5 a6 40. Bd4 Bxd4 41. Rxd4 Rc6 42. Rd7 Rb6 43. Ra7 Kf6 44. Kg2 Ke6 45. Kf3 f6 46. Ke3 Kd5 47. Rd7+ Kc4 48. Rd4+ Kc3 49. Rf4 Re6+ 50. Kf2 f5 51. Kf1 Re4 52. Rf2 Rxb4 53. Rf3+ Kc4 54. Re3 Rb6 55. Ra3 Kb4 56. Ra1 a5 57. Rb1+ Kc5 58. Ra1 Ra6 59. Kf2 a4 60. Kf3 a3 61. Kf4 Kb4 62. Kg5 Kb3 63. Rb1+ Kc2 64. Ra1 Kb2 65. Rf1 a2 66. Rf2+ Kc3 67. Rxa2 Rxa2 68. Kxg6 Rg2 69. Kxh5 Rxg3 70. Kh6 f4 71. h5 f3 72. Kh7 f2 0-1

[Event "EU-ch (Women) 25th"]
[Site "Rhodes"]
[Date "2025.03.31"]
[Round "1"]
[White "Piddubna, Bozhena"]
[Black "Kulon, Klaudia"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2134"]
[BlackElo "2408"]
[PlyCount "101"]
[EventDate "2025.03.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 d6 6. Nc3 Nbd7 7. 0-0 e5 8. e4 exd4 9. Nxd4 Re8 10. Re1 Nc5 11. f3 Nfd7 12. Be3 Ne5 13. Bf1 a5 14. Nb3 Be6 15. f4 Nxc4 16. Bxc4 Bxc4 17. Nxc5 dxc5 18. Qa4 b5 19. Nxb5 Rxe4 20. Bf2 Rxe1+ 21. Rxe1 Be6 22. Bxc5 Qd2 23. Bf2 Rb8 24. Rd1 Qe2 25. Nd4 Qc4 26. Qxc4 Bxc4 27. Nc6 Ra8 28. b3 Be6 29. Bd4 Bf8 30. Bf6 Bd6 31. Be7 Bxe7 32. Nxe7+ Kf8 33. Nd5 Ra7 34. Nc3 Ra6 35. Kf2 Bg4 36. Rc1 Re6 37. Rc2 Bf5 38. Rc1 Rc6 39. Ne2 Rd6 40. Rxc7 Rd2 41. Ke3 Rxa2 42. Nd4 Bg4 43. Rc2 Ra3 44. Ke4 Kg7 45. Ke5 h5 46. Rc7 Ra2 47. f5 Rxh2 48. Ne6+ Kh6 49. Rc8 Kh7 50. Ng5+ Kh6 51. Kf6 1-0

[Event "Titled Tuesday intern op 25th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.25"]
[Round "11"]
[White "Ambartsumova, Karina"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2405"]
[BlackElo "2145"]
[PlyCount "66"]
[EventDate "2025.03.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 b6 4. b3 Bb7 5. Bb2 Be7 6. e3 0-0 7. Qc2 d5 8. h4 c5 9. cxd5 exd5 10. d4 Nc6 11. Rd1 Nb4 12. Qb1 h6 13. dxc5 bxc5 14. a3 Nc6 15. Ng5 d4 16. Bc4 Ne5 17. exd4 Nxc4 18. bxc4 Bxg2 19. dxc5 Qe8 20. Nd5 hxg5 21. Rg1 Bxc5+ 22. Kd2 Nxd5 23. Rxg2 Nf4 24. Rxg5 Rd8+ 25. Kc2 Qe4+ 26. Kb3 Rb8+ 27. Ka2 Qxc4+ 28. Ka1 f6 29. Rxg7+ Kxg7 30. Rg1+ Kf7 31. Qh7+ Ke6 32. Re1+ Kd6 33. Qf5 Kc6 0-1

[Event "Titled Tuesday intern op 25th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.25"]
[Round "3"]
[White "Caku, Kler"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2036"]
[BlackElo "2145"]
[PlyCount "116"]
[EventDate "2025.03.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Qf3 Rb8 12. Bxf6 Qxf6 13. Qxf6 gxf6 14. Ne2 Bd6 15. Rab1 c5 16. b3 Be6 17. f4 c4 18. bxc4 dxc4 19. Be4 f5 20. Bf3 Bc5+ 21. Kh1 a5 22. Nc3 Rxb1 23. Rxb1 Rd8 24. Rd1 Rb8 25. Rb1 Rxb1+ 26. Nxb1 Bb4 27. c3 Bc5 28. h3 Kf8 29. Be2 Be3 30. Na3 Bd2 31. Bxc4 Bxc3 32. Bxe6 fxe6 33. Kg1 Ke7 34. Kf2 Bb4 35. Nc4 Kd7 36. g4 Kc6 37. gxf5 exf5 38. Kf3 Kb5 39. Ne3 Ka4 40. Nxf5 Ka3 41. Ne3 Kxa2 42. Nc4 a4 43. Nb6 a3 44. Nc4 Kb3 45. Nxa3 Bxa3 46. Ke4 Kc4 47. Ke5 h5 48. f5 Kd3 49. Kf4 Be7 50. Kf3 Bg5 51. Kg3 h4+ 52. Kg4 Bf6 53. Kf4 Ke2 54. Kg4 Kf2 55. Kh5 Kg2 56. Kg6 Bd8 57. f6 Bxf6 58. Kxf6 Kxh3 0-1

[Event "Titled Tuesday intern op 25th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.25"]
[Round "2"]
[White "Khanbutaev, Artemiy"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2041"]
[BlackElo "2145"]
[PlyCount "139"]
[EventDate "2025.03.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 0-0 6. Nf3 d5 7. 0-0 c6 8. Qc2 Be7 9. Rd1 b6 10. Bf4 Nbd7 11. Ne5 Nxe5 12. dxe5 Nd7 13. e4 Bb7 14. exd5 cxd5 15. cxd5 exd5 16. Bxd5 Bxd5 17. Rxd5 Qe8 18. Nc3 Nc5 19. Rad1 Ne6 20. Be3 Bc5 21. Bxc5 Nxc5 22. Qe2 Qe7 23. f4 Rac8 24. Qb5 Qb7 25. Rd6 Qf3 26. Qe2 Qb7 27. Qg2 Qa6 28. Qd5 h6 29. Kf2 Ne6 30. Qb5 Qa8 31. Rxb6 Rfd8 32. Rbd6 Rxd6 33. exd6 Rb8 34. Qe2 Qa7+ 35. Kg2 Qb7+ 36. Kg1 Qb6+ 37. Qf2 Qc6 38. d7 Rd8 39. Qd2 Nc5 40. Nd5 Rxd7 41. Qd4 Kh8 42. Qe5 Ne6 43. Qb8+ Rd8 44. Qb3 Qc5+ 45. Qe3 Qxe3+ 46. Nxe3 Rxd1+ 47. Nxd1 Nc5 48. Nc3 Nd3 49. b3 Nb4 50. Kf2 f6 51. Ke3 Kg8 52. Kd4 Kf7 53. Kc5 Ke6 54. Kb5 Nd3 55. Kxa5 Nc1 56. b4 Kd6 57. b5 Kc7 58. Ka6 Kb8 59. b6 g5 60. a4 Nd3 61. fxg5 fxg5 62. a5 Nc5+ 63. Kb5 Ne6 64. a6 Nd4+ 65. Kc5 Ne6+ 66. Kd6 Nd4 67. Nd5 Nb5+ 68. Kc5 Na3 69. a7+ Kb7 70. Nc7 1-0

[Event "Titled Tuesday intern op 25th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.25"]
[Round "5"]
[White "Laddha, Shubh Jayesh"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2303"]
[BlackElo "2145"]
[PlyCount "81"]
[EventDate "2025.03.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c6 4. e3 Nbd7 5. Nf3 Qa5 6. Bd3 g6 7. 0-0 Bg7 8. e4 dxe4 9. Nxe4 0-0 10. Re1 Nxe4 11. Bxe4 Nf6 12. Bd3 Nd5 13. Bg5 Qc7 14. Qd2 Bg4 15. Ne5 Be6 16. Bh6 c5 17. Bxg7 Kxg7 18. c4 Nf6 19. d5 Bd7 20. Qc3 Kg8 21. Re3 Rad8 22. Rae1 Bc8 23. Nf3 Rfe8 24. Ng5 b5 25. b3 b4 26. Qb2 Ng4 27. Rh3 Nf6 28. Rf3 Bg4 29. Rfe3 Bc8 30. h3 Nh5 31. Qb1 Nf4 32. Be4 Nh5 33. Bf3 Nf6 34. Qb2 a5 35. Ne4 Nxe4 36. Rxe4 e6 37. Qf6 Bd7 38. Rf4 Rf8 39. h4 exd5 40. h5 Bf5 41. h6 1-0

[Event "Titled Tuesday intern op 25th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.25"]
[Round "8"]
[White "Lisenkov, Svyatoslav"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2207"]
[BlackElo "2145"]
[PlyCount "107"]
[EventDate "2025.03.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 Nge7 6. c3 0-0 7. b4 a6 8. a4 d5 9. d3 dxe4 10. dxe4 Be6 11. Be3 Nc8 12. Ng5 Bc4 13. Re1 Nd6 14. Na3 h6 15. Nf3 Be6 16. Bc5 Re8 17. Bxd6 cxd6 18. Nd2 d5 19. exd5 Bxd5 20. Bxd5 Qxd5 21. Ne4 Rad8 22. Qxd5 Rxd5 23. a5 Rd3 24. Rac1 f5 25. Nc5 Rf3 26. Nc4 e4 27. Ne3 Ne5 28. Rcd1 f4 29. gxf4 Rxf4 30. Kg2 Ref8 31. Re2 Re8 32. Nxb7 Nd3 33. Nd6 Re6 34. Nxe4 Rfxe4 35. Rxd3 g5 36. Red2 Bf8 37. Rd8 Rc6 38. Nd5 Kf7 39. Rd7+ Ke8 40. Nc7+ Rxc7 41. Rxc7 Be7 42. Rdd7 Kf8 43. Rxe7 Rxe7 44. Rxe7 Kxe7 45. b5 Kd6 46. b6 Kc6 47. c4 h5 48. c5 Kb7 49. Kf3 Kc6 50. Ke4 Kb7 51. Kf5 g4 52. Kg5 Kc6 53. Kxh5 Kxc5 54. b7 1-0

[Event "Titled Tuesday intern op 25th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.25"]
[Round "10"]
[White "Piddubna, Bozhena"]
[Black "Gkavardinas, Antonios"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2145"]
[BlackElo "2302"]
[PlyCount "137"]
[EventDate "2025.03.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 d6 4. e4 Bg4 5. Be2 Bxf3 6. Bxf3 dxe5 7. 0-0 Bc5 8. c3 Qe7 9. Qb3 Bb6 10. Nd2 Nf6 11. Nc4 0-0 12. Bg5 Qe6 13. Nxb6 Qxb3 14. axb3 axb6 15. b4 Nd7 16. Rfd1 Rxa1 17. Rxa1 f6 18. Be3 Kf7 19. Be2 Ke7 20. Bc4 Rd8 21. Bd5 b5 22. Kf1 Rb8 23. Ke2 g6 24. Bb3 Rd8 25. Bc2 Nf8 26. Bd3 Ne6 27. Bxb5 f5 28. f3 h5 29. Bxc6 bxc6 30. Ra6 Kd7 31. Ra5 Kd6 32. g3 Rb8 33. Ra6 Kd7 34. Ra7 c5 35. bxc5 Rxb2+ 36. Kd3 Rxh2 37. Kc4 Re2 38. Bg1 fxe4 39. fxe4 Rxe4+ 40. Kd5 Rg4 41. c6+ Ke7 42. Bb6 Rxg3 43. Bxc7 Nxc7+ 44. Rxc7+ Kf6 45. Ra7 Rxc3 46. c7 Kg5 47. Kd6 h4 48. Ra5 h3 49. Rxe5+ Kg4 50. Rc5 Rxc5 51. Kxc5 Kg3 52. c8Q g5 53. Qc7+ Kg2 54. Qc6+ Kh2 55. Qd6+ Kg2 56. Qd5+ Kg3 57. Qxg5+ Kh2 58. Qf4+ Kh1 59. Qf3+ Kh2 60. Qf1 Kg3 61. Qh1 h2 62. Kd4 Kf2 63. Qxh2+ Kf3 64. Qh4 Kg2 65. Qf4 Kh3 66. Qg5 Kh2 67. Ke3 Kh1 68. Kf3 Kh2 69. Qg2# 1-0

[Event "Titled Tuesday intern op 25th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.25"]
[Round "4"]
[White "Piddubna, Bozhena"]
[Black "Ishvi, Aggarwal"]
[Result "1-0"]
[ECO "A70"]
[WhiteElo "2145"]
[BlackElo "1954"]
[PlyCount "69"]
[EventDate "2025.03.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. h3 0-0 9. Be3 Re8 10. Bd3 a6 11. a4 Nbd7 12. 0-0 Rb8 13. a5 c4 14. Bc2 b5 15. axb6 Nxb6 16. Nd4 Bd7 17. Rxa6 Qc7 18. Ndb5 Bxb5 19. Nxb5 Qd8 20. Nd4 Qc8 21. Ra7 Rb7 22. Rxb7 Qxb7 23. Nc6 Nxe4 24. Re1 Nf6 25. Bxb6 Rxe1+ 26. Qxe1 Qxb6 27. Qe7 h5 28. Nd8 Nxd5 29. Qxf7+ Kh7 30. Bxg6+ Kh6 31. Bxh5 Kh7 32. Qg6+ Kg8 33. Qe6+ Kh7 34. Bg6+ Kh6 35. Nf7# 1-0

[Event "Titled Tuesday intern op 25th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.25"]
[Round "7"]
[White "Piddubna, Bozhena"]
[Black "Katz, Alexander R"]
[Result "1-0"]
[ECO "E10"]
[WhiteElo "2145"]
[BlackElo "2377"]
[PlyCount "124"]
[EventDate "2025.03.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 a6 4. a4 d5 5. g3 dxc4 6. Qc2 Nc6 7. Qxc4 Nb4 8. Bd2 b5 9. Qb3 Qd5 10. Qxd5 exd5 11. Na3 Ne4 12. Rc1 Nxd2 13. Nxd2 c6 14. Bg2 Be7 15. 0-0 0-0 16. Nb3 Bg4 17. Rfe1 bxa4 18. Na5 Rfc8 19. h3 Bd7 20. Nb7 Rab8 21. Nc5 Be8 22. Nxa4 Bf6 23. Red1 a5 24. Nc5 Be7 25. e4 dxe4 26. Bxe4 f6 27. Re1 Bf8 28. Bf5 Rd8 29. Ne6 Rd6 30. Nc4 Rd5 31. Be4 Rdb5 32. Nc7 Bf7 33. Nxb5 cxb5 34. Nxa5 g6 35. Nc6 Nxc6 36. Rxc6 Bb4 37. Rec1 Kg7 38. Rc7 Rd8 39. Rb7 f5 40. Rcc7 fxe4 41. Rxf7+ Kh6 42. Rxh7+ Kg5 43. h4+ Kg4 44. Kg2 Rxd4 45. Rxb5 Bd2 46. Rg7 Rd6 47. h5 Rf6 48. Rxg6+ Rxg6 49. hxg6 Bh6 50. Rb4 Kf5 51. f3 exf3+ 52. Kxf3 Kxg6 53. Rb6+ Kg5 54. Rxh6 Kxh6 55. b4 Kg7 56. b5 Kf7 57. b6 Ke7 58. b7 Kd7 59. b8Q Ke6 60. Qf4 Ke7 61. g4 Ke6 62. g5 Ke7 1-0

[Event "Titled Tuesday intern op 25th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.25"]
[Round "6"]
[White "Piddubna, Bozhena"]
[Black "Papidakis, Georgios"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2145"]
[BlackElo "2106"]
[PlyCount "73"]
[EventDate "2025.03.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 b5 8. a4 c6 9. axb5 cxb5 10. Ng5 h6 11. Nxf7 Rxf7 12. Bxa8 Qxd4 13. Be3 Qg4 14. Bf3 Qh3 15. Rxa7 e5 16. Bg2 Qh5 17. h4 Bf5 18. Qc1 Ng4 19. Bd5 Nd7 20. Nc3 Bxh4 21. Bxf7+ Kxf7 22. gxh4 Qxh4 23. Bf4 exf4 24. Qxf4 Kg6 25. Qg3 Qg5 26. e4 Be6 27. f4 Qc5+ 28. Kh1 Qxa7 29. f5+ Kh7 30. Qxg4 Bf7 31. Rg1 Qd4 32. Nxb5 Qe5 33. Nd6 Bh5 34. Qxh5 Qxd6 35. Qg6+ Qxg6 36. fxg6+ Kg8 37. Rd1 1-0

[Event "Titled Tuesday intern op 25th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.25"]
[Round "1"]
[White "Piddubna, Bozhena"]
[Black "Shimanov, Aleksandr"]
[Result "0-1"]
[ECO "A33"]
[WhiteElo "2145"]
[BlackElo "2593"]
[PlyCount "116"]
[EventDate "2025.03.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 Nc6 6. g3 Qb6 7. Nxc6 Qxc6 8. f3 Qxc4 9. e4 Qc7 10. Be2 a6 11. 0-0 Bc5+ 12. Kg2 0-0 13. Bf4 d6 14. Na4 e5 15. Bg5 Be6 16. Rc1 Qe7 17. a3 Bd4 18. Nc3 h6 19. Bxf6 Qxf6 20. Nd5 Bxd5 21. exd5 Bxb2 22. Rb1 Bxa3 23. Rxb7 a5 24. Qa4 Bc5 25. Rfb1 Qg5 26. R7b3 Bb4 27. h4 Qf5 28. Bd3 Qf6 29. Be4 h5 30. Qa2 g6 31. Qe2 Rfe8 32. Bd3 Rec8 33. Bb5 Kg7 34. Bc6 Ra7 35. Qe4 Qd8 36. f4 Qf6 37. Rf3 exf4 38. Rxf4 Qe5 39. Qf3 Re7 40. Kh3 Rf8 41. Rf1 Qe2 42. Qb3 Qd2 43. Qf3 f5 44. Rf2 Qe1 45. Rf1 Qe3 46. Qg2 Qd3 47. R1f3 Qe2 48. Rf2 Qe5 49. R2f3 Qf6 50. Rf2 Bc5 51. R2f3 Qe5 52. Qc2 Qe1 53. Rf1 Qe3 54. R1f3 Qe5 55. Rf1 Rb8 56. R1f3 Rb2 57. Qd3 Qe2 58. Qxe2 Rexe2 0-1

[Event "Titled Tuesday intern op 25th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.25"]
[Round "9"]
[White "Vardanyan, Aras"]
[Black "Piddubna, Bozhena"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2333"]
[BlackElo "2145"]
[PlyCount "124"]
[EventDate "2025.03.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Ne4 6. Bf4 Be7 7. Rc1 d6 8. e3 Nd7 9. Bd3 Ndf6 10. 0-0 0-0 11. Nxe4 Nxe4 12. d5 Nc5 13. Bb1 e5 14. Bg3 f5 15. h3 a5 16. b4 axb4 17. axb4 Nd7 18. Bh2 g6 19. c5 bxc5 20. bxc5 Nxc5 21. Rxc5 dxc5 22. d6 cxd6 23. Qb3+ Kg7 24. Qxb7 Rb8 25. Qd5 Bf6 26. g4 fxg4 27. hxg4 Rb4 28. Be4 Qd7 29. Nd2 Qxg4+ 30. Bg3 Bh4 31. Bf3 Qg5 32. Ne4 Rxe4 33. Qxe4 Bxg3 34. fxg3 Qxg3+ 35. Bg2 Rxf1+ 36. Kxf1 Qg5 37. Ke2 Qh5+ 38. Bf3 Qh2+ 39. Kd3 Qg1 40. Qc6 Qb1+ 41. Ke2 Qc2+ 42. Kf1 Qd2 43. e4 Kh6 44. Qd7 Qd3+ 45. Kg2 Qd2+ 46. Kh3 Qd3 47. Qg4 c4 48. Qh4+ Kg7 49. Qe7+ Kg8 50. Kg4 h5+ 51. Kg3 c3 52. Qe6+ Kg7 53. Qe7+ Kh6 54. Qf8+ Kh7 55. Qf7+ Kh6 56. Qf8+ Kg5 57. Kg2 Qd2+ 58. Kh3 Qd3 59. Qe7+ Kh6 60. Qf8+ Kg5 61. Kg2 Qd2+ 62. Kh3 Qd3 1/2-1/2

[Event "Titled Tuesday intern op 18th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.18"]
[Round "3"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2095"]
[BlackElo "2145"]
[PlyCount "116"]
[EventDate "2025.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nd2 c5 5. c3 Bd6 6. Bg3 0-0 7. Ngf3 Qc7 8. Bxd6 Qxd6 9. Ne5 Ne4 10. Nxe4 dxe4 11. Be2 Nc6 12. Nxc6 Qxc6 13. 0-0 Rd8 14. Qb3 b6 15. h3 Bb7 16. Rad1 Qc7 17. Qa3 Rd5 18. dxc5 Rxc5 19. Rd4 Bd5 20. Rfd1 h6 21. c4 Bxc4 22. Bxc4 Rxc4 23. Rd7 Qe5 24. Qe7 Qf5 25. Rd8+ Rxd8 26. Qxd8+ Kh7 27. Qd2 Rc5 28. b3 Rd5 29. Qc2 Rxd1+ 30. Qxd1 Qd5 31. Qc2 Qb7 32. f3 f5 33. Kf2 exf3 34. gxf3 Qd5 35. e4 fxe4 36. fxe4 Qd4+ 37. Kg3 e5 38. Kf3 a5 39. Ke2 b5 40. Qd3 Qxd3+ 41. Kxd3 g5 42. a4 bxa4 43. Kc4 a3 44. Kc3 h5 45. b4 axb4+ 46. Kxb4 a2 47. Kc4 a1Q 48. Kd5 Qd4+ 49. Ke6 Qxe4 50. Kf6 Qf4+ 51. Ke6 e4 52. Ke7 e3 53. Kd8 e2 54. Kc8 e1Q 55. Kb7 Qfd2 56. Ka8 Qec1 57. Kb7 Qdb2+ 58. Ka8 Qca1# 0-1

[Event "Titled Tuesday intern op 18th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.18"]
[Round "7"]
[White "Janaszak, Dawid"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "C21"]
[WhiteElo "2306"]
[BlackElo "2145"]
[PlyCount "83"]
[EventDate "2025.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Bc4 d5 4. exd5 Bc5 5. Nf3 Nf6 6. Nxd4 0-0 7. 0-0 Bg4 8. Qd3 Bxd4 9. Qxd4 Nc6 10. Qf4 Nb4 11. Na3 Nbxd5 12. Qg3 c6 13. Bg5 Ne4 14. Qxg4 Nxg5 15. Rad1 Ne6 16. Bd3 Qf6 17. c3 Ndf4 18. Bc2 Rad8 19. g3 Ng6 20. Qe4 Nc5 21. Qe3 b6 22. Rfe1 Ne6 23. Nc4 Ng5 24. f4 Nh3+ 25. Kg2 Nhxf4+ 26. gxf4 Nxf4+ 27. Kh1 Nh3 28. Qxh3 g6 29. Ne3 Rfe8 30. Ng4 Rxe1+ 31. Rxe1 Qg5 32. Ne3 Rd2 33. Qf3 h5 34. Rf1 Qe7 35. Rf2 Rxf2 36. Qxf2 c5 37. Nd5 Qb7 38. Qf3 c4 39. Nf6+ Kg7 40. Qxb7 Kxf6 41. Qxa7 Kg7 42. Qxb6 1-0

[Event "Titled Tuesday intern op 18th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.18"]
[Round "10"]
[White "Khodko, Yurii N"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2354"]
[BlackElo "2145"]
[PlyCount "81"]
[EventDate "2025.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 d5 5. exd5 Qxd5 6. Be2 Nf6 7. cxd4 Bg4 8. 0-0 0-0-0 9. Nc3 Qd7 10. Be3 Bxf3 11. Bxf3 Nxd4 12. Bxd4 Qxd4 13. Qb3 Qb6 14. Qxf7 Rd7 15. Qc4 Bd6 16. Nb5 a6 17. Nxd6+ Rxd6 18. Rac1 Kb8 19. Rc3 Rd4 20. Qf7 Rd7 21. Qc4 Rd4 22. Qe2 Re8 23. Qc2 Red8 24. h3 Rd2 25. Qf5 Rxb2 26. Rb3 Rxb3 27. axb3 Ka7 28. g4 g6 29. Qf4 Nd5 30. Qg5 Nf6 31. b4 Rd3 32. Bg2 Nd7 33. Qd8 Ne5 34. Qe7 Nf3+ 35. Bxf3 Rxf3 36. Qxh7 Rf4 37. b5 Qxb5 38. Qxc7 Rf3 39. Kg2 Qc6 40. Qxc6 bxc6 41. Kxf3 1-0

[Event "Titled Tuesday intern op 18th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.18"]
[Round "4"]
[White "Piddubna, Bozhena"]
[Black "Barbot, Pierre"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2145"]
[BlackElo "2449"]
[PlyCount "55"]
[EventDate "2025.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d5 5. Qb3 dxc4 6. Qxc4 0-0 7. Bg2 Be6 8. Qd3 c5 9. 0-0 Nc6 10. dxc5 Qxd3 11. exd3 Rfd8 12. d4 Bg4 13. Nc3 Bxf3 14. Bxf3 Rxd4 15. Be3 Rb4 16. Rab1 Nd4 17. Bxd4 Rxd4 18. Bxb7 Rb8 19. c6 Ne8 20. Nb5 Rb4 21. Nxa7 Nc7 22. Rfd1 Ra4 23. Rd7 Rxa7 24. Rxc7 Be5 25. Rxe7 f6 26. a3 Kf8 27. Rxh7 Ke8 28. Rd1 1-0

[Event "Titled Tuesday intern op 18th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.18"]
[Round "6"]
[White "Piddubna, Bozhena"]
[Black "Felix, Raphael"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2145"]
[BlackElo "2038"]
[PlyCount "59"]
[EventDate "2025.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. g3 dxc4 5. Bg2 e6 6. Ne5 b5 7. Nxc6 Qb6 8. Nxb8 Rxb8 9. 0-0 Bb7 10. Bxb7 Qxb7 11. Nd2 Be7 12. Nf3 0-0 13. a3 a5 14. Qc2 Rbc8 15. h4 Rfd8 16. Bg5 h6 17. Bd2 b4 18. axb4 axb4 19. Ra4 Ne4 20. Rfa1 Bf8 21. Ra7 Qd5 22. R1a5 Qc6 23. Ne5 b3 24. Qd1 Qb6 25. e3 Nxd2 26. Nxf7 c3 27. Qh5 c2 28. Nxh6+ Kh8 29. Nf7+ Kg8 30. Qh8# 1-0

[Event "Titled Tuesday intern op 18th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.18"]
[Round "9"]
[White "Piddubna, Bozhena"]
[Black "Fellowes, Billy"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2145"]
[BlackElo "2203"]
[PlyCount "143"]
[EventDate "2025.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. d4 Nc6 2. d5 Ne5 3. Nf3 Nxf3+ 4. exf3 Nf6 5. c4 g6 6. Nc3 Bg7 7. Be2 0-0 8. 0-0 c6 9. Be3 d6 10. dxc6 bxc6 11. Qc1 Ba6 12. Bh6 Rb8 13. Bxg7 Kxg7 14. b3 Qa5 15. Ne4 d5 16. Nxf6 exf6 17. Re1 Rfe8 18. h3 d4 19. Bd3 c5 20. Be4 f5 21. Bc6 Rxe1+ 22. Qxe1 Qc7 23. Bd5 Qd6 24. Qa5 Re8 25. Re1 Rxe1+ 26. Qxe1 Bc8 27. Qe2 Be6 28. Bxe6 fxe6 29. Qd3 e5 30. g3 Qc6 31. a3 e4 32. fxe4 fxe4 33. Qd2 Qf6 34. b4 Qd6 35. bxc5 Qxc5 36. Qf4 Qe7 37. Qd2 d3 38. Qc3+ Kg8 39. c5 e3 40. Qxd3 e2 41. Qd5+ Kg7 42. Qd4+ Kh6 43. Qd2+ g5 44. Qe1 Kg6 45. c6 h5 46. c7 Qxc7 47. Qxe2 Qc1+ 48. Kh2 Qxa3 49. Qe6+ Kg7 50. Qd7+ Kf6 51. Qc6+ Kf5 52. Qd5+ Kf6 53. Qd4+ Ke6 54. Qe4+ Kf7 55. Qf5+ Ke8 56. Qxg5 Qf3 57. Qg6+ Kd7 58. Qg7+ Kc6 59. Qg6+ Kb5 60. Qb1+ Kc4 61. Qc1+ Kb5 62. Qb1+ Ka6 63. Qa2+ Kb6 64. Qb2+ Kc6 65. Qc2+ Kd7 66. Qd2+ Ke8 67. Qe1+ Kf7 68. Qd2 a6 69. Kg1 Qf5 70. Qa2+ Qe6 71. Qa5 Kg6 72. Qa1 1-0

[Event "Titled Tuesday intern op 18th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.18"]
[Round "2"]
[White "Piddubna, Bozhena"]
[Black "Modric, Nesa"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "2145"]
[BlackElo "2088"]
[PlyCount "133"]
[EventDate "2025.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Ne5 Nc6 10. Qxc4 Nd5 11. Bxd5 Nxe5 12. dxe5 exd5 13. Qxd5 Bh3 14. Rd1 Qxd5 15. Rxd5 Rfd8 16. Rxd8+ Rxd8 17. Nc3 Bb4 18. Be3 h6 19. f3 Be6 20. Ne4 b6 21. Kf2 Bb3 22. Rc1 Rd7 23. Ra1 Re7 24. f4 Rd7 25. g4 Bc2 26. Ng3 Rd1 27. Rxd1 Bxd1 28. f5 Bxa4 29. Ne4 Bc6 30. Ng3 a5 31. Bd4 a4 32. Ke3 a3 33. bxa3 Bxa3 34. Nf1 Bc1+ 35. Kd3 Bg2 36. Ne3 Bxe3 37. Bxe3 Kf8 38. Bd4 Ke7 39. e3 Bh3 40. Bc3 Bxg4 41. e4 Kd7 42. Kd4 Bf3 43. Bb4 c5+ 44. Bxc5 bxc5+ 45. Kxc5 Bxe4 46. f6 gxf6 47. exf6 Ke6 48. Kd4 Bg6 49. Ke3 Kxf6 50. Kf4 h5 51. Kf3 Kg5 52. Kg3 h4+ 53. Kh3 Bf5+ 54. Kg2 Be6 55. Kf3 f5 56. Kf2 f4 57. Kg2 Bd5+ 58. Kf2 Kg4 59. Kg1 Kh3 60. Kf1 Kxh2 61. Kf2 Kh3 62. Kg1 Kg3 63. Kf1 h3 64. Ke2 f3+ 65. Kf1 h2 66. Ke1 h1Q+ 67. Kd2 0-1

[Event "Titled Tuesday intern op 18th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.18"]
[Round "11"]
[White "Piddubna, Bozhena"]
[Black "Souleidis, Georgios"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2145"]
[BlackElo "2418"]
[PlyCount "115"]
[EventDate "2025.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d6 6. c4 Nc6 7. Nc3 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qxd8 Rxd8 11. Bg5 Rd7 12. Bh3 Rd4 13. Bxc8 Rxc8 14. Bxf6 Bxf6 15. Nd5 Bd8 16. Rac1 c6 17. Nb4 Ba5 18. Nd3 Bc7 19. Nc5 b6 20. Nb3 Rd7 21. a4 Rcd8 22. c5 bxc5 23. Rxc5 Rb8 24. Rc3 Bd6 25. Rd1 Rdd8 26. Rxc6 Rxb3 27. Rcxd6 Rxd6 28. Rxd6 Rxb2 29. Rd7 Rxe2 30. Rxa7 Ra2 31. h4 e4 32. a5 Kg7 33. Re7 Rxa5 34. Rxe4 h6 35. Kg2 f5 36. Rb4 Ra2 37. Rc4 Ra7 38. Rb4 Re7 39. Rc4 Kf6 40. Rc6+ Re6 41. Rc4 g5 42. hxg5+ hxg5 43. Ra4 g4 44. Rb4 Rd6 45. Ra4 Ke5 46. Ra5+ Rd5 47. Ra4 Rd4 48. Ra5+ Ke4 49. Ra8 Rd2 50. Re8+ Kd3 51. Rd8+ Ke2 52. Re8+ Kd1 53. Re5 Rd4 54. Rxf5 Ke1 55. Rf4 Rd2 56. Rxg4 Rxf2+ 57. Kh3 Kf1 58. Rf4 1-0

[Event "Titled Tuesday intern op 18th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.18"]
[Round "8"]
[White "Pieri, Pierre Louis"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2203"]
[BlackElo "2145"]
[PlyCount "78"]
[EventDate "2025.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. e4 dxe4 4. f3 exf3 5. Nxf3 c6 6. Bd3 Bg4 7. Be3 e6 8. Qe2 Nbd7 9. a3 Nb6 10. 0-0 Be7 11. h3 Bh5 12. g4 Bg6 13. Ne5 0-0 14. h4 Bxd3 15. Qxd3 Nfd5 16. g5 Nxe3 17. Qxe3 Nd5 18. Qe2 Qb6 19. Rad1 Rad8 20. Ne4 f6 21. Nf3 e5 22. Kh1 f5 23. Ng3 e4 24. Ne5 g6 25. h5 Kg7 26. c4 Nc7 27. hxg6 hxg6 28. Nxg6 Rh8+ 29. Kg2 Kxg6 30. Nxf5 Bxg5 31. Qxe4 Qxb2+ 32. Rf2 Rh2+ 33. Kxh2 Qxf2+ 34. Kh3 Rh8+ 35. Nh4+ Kg7 36. Qe5+ Bf6 37. Qxc7+ Kf8 38. Qc8+ Kf7 39. Qd7+ Be7 0-1

[Event "Titled Tuesday intern op 18th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.18"]
[Round "1"]
[White "Pranav, V."]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2615"]
[BlackElo "2145"]
[PlyCount "123"]
[EventDate "2025.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nd5 d6 5. d4 Bg4 6. dxe5 Nxe5 7. Be2 Nxf3+ 8. Bxf3 Bxf3 9. Qxf3 Nxd5 10. exd5 Be7 11. Be3 0-0 12. 0-0-0 Bg5 13. Rhe1 Bxe3+ 14. Rxe3 Qg5 15. Qg3 Qxg3 16. hxg3 Rfe8 17. Rc3 Re7 18. b3 Kf8 19. Rd2 Ke8 20. Rd4 Kd7 21. Rdc4 Rc8 22. a4 Re5 23. Rd3 Rce8 24. Rf4 R8e7 25. a5 a6 26. Kb2 h5 27. Rb4 Kc8 28. Rf4 g6 29. Rf6 Kd7 30. Kc3 Ke8 31. Rf4 Kd7 32. Rf6 Ke8 33. Rd4 Kd7 34. Kb4 Re4 35. Kc4 Re2 36. c3 R2e5 37. Kb4 Re4 38. Kc4 R4e5 39. Rd2 Re4+ 40. Kd3 R4e5 41. Kc2 Re2 42. Rxe2 Rxe2+ 43. Kd3 Re7 44. c4 Ke8 45. Rf4 Re1 46. Re4+ Rxe4 47. Kxe4 Ke7 48. b4 f5+ 49. Kd4 g5 50. f4 Kf6 51. c5 h4 52. fxg5+ Kxg5 53. gxh4+ Kxh4 54. Kd3 Kg3 55. Ke3 f4+ 56. Ke4 Kxg2 57. Kxf4 Kf2 58. b5 dxc5 59. b6 c4 60. bxc7 c3 61. c8Q c2 62. Qxc2+ 1-0

[Event "Titled Tuesday intern op 18th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.18"]
[Round "5"]
[White "Rozman, Levy"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2324"]
[BlackElo "2145"]
[PlyCount "101"]
[EventDate "2025.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 f6 5. d3 Nge7 6. Be2 Qd6 7. b4 Bd7 8. Qc2 a6 9. 0-0 Ng6 10. exd5 Qxd5 11. Be3 Be7 12. Nbd2 Bf5 13. Ne4 0-0 14. Rfd1 Kh8 15. a4 Rfd8 16. g3 h6 17. h4 Nf8 18. h5 Ne6 19. Nh4 Bh7 20. Ng6+ Bxg6 21. hxg6 f5 22. Bf3 fxe4 23. dxe4 Qc4 24. Be2 Nxb4 25. Bxc4 Nxc2 26. Bxe6 Nxa1 27. Rxa1 Rd6 28. Bf7 Rad8 29. Kg2 Rd1 30. Ra2 b6 31. Bc4 a5 32. Bf7 Rb1 33. Kf3 Rdd1 34. Kg4 Rd8 35. Kf5 Bf6 36. f4 exf4 37. gxf4 Bxc3 38. e5 Re1 39. Bf2 Rf1 40. Rc2 Ba1 41. Bh4 Rf8 42. Rxc7 Bd4 43. Be7 Ra8 44. Bc4 Re8 45. Bxf1 Be3 46. Ke4 Bd2 47. f5 Bb4 48. f6 gxf6 49. Bxf6+ Kg8 50. Bc4+ Kf8 51. g7# 1-0

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "10"]
[White "Beletic, Daniel"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2250"]
[BlackElo "2145"]
[PlyCount "57"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. Re1 d6 7. c3 Na5 8. Bb5 a6 9. Ba4 b5 10. Bc2 c5 11. Nbd2 Nc6 12. Nf1 Qc7 13. Ng3 Re8 14. Nh4 d5 15. Nhf5 Bf8 16. Bg5 Bxf5 17. Nxf5 d4 18. Bxf6 gxf6 19. Bb3 Ne7 20. Qg4+ Ng6 21. h4 c4 22. dxc4 Kh8 23. cxb5 axb5 24. g3 Red8 25. h5 Ne7 26. Bxf7 Bh6 27. Nxh6 dxc3 28. Be6 Rf8 29. bxc3 1-0

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "6"]
[White "Bhatia, Kanishka"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2012"]
[BlackElo "2145"]
[PlyCount "82"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 c5 5. c3 Bd6 6. Bg3 0-0 7. Nbd2 Qc7 8. Ne5 Nbd7 9. Nxd7 Bxd7 10. Bxd6 Qxd6 11. Bd3 e5 12. dxe5 Qxe5 13. 0-0 Rad8 14. Nf3 Qh5 15. Be2 Qh6 16. Ne5 Bf5 17. Qa4 Rfe8 18. Nd3 Bxd3 19. Bxd3 a6 20. Qa5 Ng4 21. h3 Ne5 22. Be2 Qc6 23. b4 c4 24. a4 Qg6 25. Ra2 h6 26. Rd2 Rd6 27. Rxd5 Rde6 28. Rfd1 Qc2 29. Bf1 Qxc3 30. Qb6 Rxb6 31. Rd8 Rxd8 32. Rxd8+ Kh7 33. g3 Rxb4 34. Kg2 Rb1 35. Be2 Nd3 36. Bf3 Qf6 37. Be4+ g6 38. h4 Qxf2+ 39. Kh3 Qf1+ 40. Kg4 h5+ 41. Kg5 f6# 0-1

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "7"]
[White "Kavyev, Ruslan"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "C36"]
[WhiteElo "2279"]
[BlackElo "2145"]
[PlyCount "63"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. Bb5+ c6 6. dxc6 bxc6 7. Ba4 Bc5 8. d4 Qa5+ 9. Nc3 Bb4 10. Bb3 0-0 11. 0-0 Bg4 12. Bxf4 Bxc3 13. bxc3 Qxc3 14. Bd2 Bxf3 15. Bxc3 Bxd1 16. Raxd1 Nbd7 17. Bb4 Rfe8 18. c4 a5 19. Ba3 a4 20. Bc2 Re2 21. Rf2 Rae8 22. h3 Nb6 23. Bd3 Rxf2 24. Kxf2 h6 25. Bc5 Nbd7 26. Ba3 Ne4+ 27. Kf3 Nc3 28. Rd2 c5 29. dxc5 Ne5+ 30. Kg3 Rc8 31. Bf5 Rc7 32. Rd8# 1-0

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "1"]
[White "Lie, Kjetil A"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2489"]
[BlackElo "2145"]
[PlyCount "130"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qc2 b6 8. Ne5 Nd5 9. Nxd7 Qxd7 10. 0-0 Be7 11. d3 0-0 12. Nc3 Bb7 13. Bd2 Nxc3 14. bxc3 Bxg2 15. Kxg2 Bf6 16. Rab1 Rfd8 17. Rfd1 Qd5+ 18. Kg1 c4 19. d4 Qh5 20. Bf4 h6 21. a4 Rd5 22. Kg2 Rad8 23. e4 Ra5 24. f3 Bg5 25. Be5 Qg6 26. Rb5 Rxb5 27. axb5 Bf6 28. Bxf6 Qxf6 29. Ra1 Qg5 30. e5 Rd7 31. Qe2 Rc7 32. Ra4 Qc1 33. Rxc4 Rxc4 34. Qxc4 Qc2+ 35. Kg1 Qc1+ 36. Kf2 Qc2+ 37. Ke3 Qc1+ 38. Kf2 Qc2+ 39. Qe2 Qxc3 40. Qe3 Qb2+ 41. Kg1 Qxb5 42. Kg2 a5 43. Kh3 a4 44. Qc3 Qb3 45. Qc8+ Kh7 46. Qb7 a3 47. Qa7 a2 48. d5 Qxf3 49. Qxa2 Qxd5 50. Qc2+ g6 51. Qc7 Kg7 52. Qd8 Qxe5 53. Kg2 Qe4+ 54. Kh3 Qf5+ 55. Kg2 b5 56. Qd4+ Qf6 57. Qb6 Qb2+ 58. Kh3 b4 59. Qb5 b3 60. Qb4 h5 61. Kh4 Qf6+ 62. Kh3 Qf5+ 63. Kg2 Qc2+ 64. Kh3 b2 65. Qd4+ Kh7 0-1

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "2"]
[White "Piddubna, Bozhena"]
[Black "Atanasov, Anthony"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2145"]
[BlackElo "2423"]
[PlyCount "142"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 c6 7. 0-0 Nbd7 8. Qc2 Ne4 9. Be3 0-0 10. a4 a5 11. Nbd2 f5 12. Ne5 Nxe5 13. dxe5 d4 14. Bf4 Nxd2 15. Bxd2 Bc5 16. h4 Qb6 17. Rab1 Bd7 18. Qd3 Be8 19. Rfe1 Bg6 20. Bf4 Rad8 21. Red1 h6 22. Qf3 Bh7 23. h5 Qb4 24. b3 Qb6 25. Rd3 Rd7 26. Rbd1 Rfd8 27. e3 Kf8 28. exd4 Bxd4 29. Be3 c5 30. Bxd4 cxd4 31. Qf4 Bg8 32. Rc1 Qc5 33. Rcd1 Bf7 34. Bf3 Kg8 35. Kg2 b6 36. R1d2 Be8 37. Rd1 Kh8 38. R1d2 Qb4 39. Rd1 Qc5 40. R1d2 Kh7 41. Rd1 Bf7 42. R1d2 Qb4 43. Rd1 Re7 44. Rxd4 Rxd4 45. Qxd4 Qxb3 46. Qd8 Re8 47. Qd7 Kg8 48. Qc6 Qb4 49. Rd7 Rf8 50. Rb7 Kh7 51. Rxb6 Qa3 52. Rb7 Be8 53. Qd6 Qxd6 54. exd6 Bxa4 55. c5 e5 56. Bd5 Rd8 57. Be6 Be8 58. Bxf5+ Kg8 59. d7 Bf7 60. c6 Bd5+ 61. Kh2 Bxc6 62. Rc7 Bxd7 63. Bxd7 Kf7 64. Ba4+ Kf6 65. Rc5 Rd2 66. Kg2 e4 67. Rxa5 e3 68. Ra6+ Kg5 69. Ra5+ Kf6 70. Ra6+ Kg5 71. Ra5+ Kf6 1/2-1/2

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "8"]
[White "Piddubna, Bozhena"]
[Black "Goncharov, Vladimir"]
[Result "1-0"]
[ECO "A70"]
[WhiteElo "2145"]
[BlackElo "2077"]
[PlyCount "97"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. h3 Bg7 8. e4 0-0 9. Be3 Re8 10. Nd2 b6 11. Be2 Na6 12. 0-0 Nc7 13. Qc2 a6 14. a4 Rb8 15. Nb3 Bd7 16. Bf4 Qe7 17. Rad1 Nh5 18. Bxh5 gxh5 19. Qd3 b5 20. Qg3 h4 21. Qh2 Be5 22. axb5 Nxb5 23. Nd2 Nd4 24. Nc4 Bb5 25. Bxe5 dxe5 26. d6 Qg5 27. f4 exf4 28. Rxf4 h5 29. Ne3 Be2 30. Re1 Rxb2 31. Ncd5 Rd8 32. Nf6+ Kg7 33. d7 Ne6 34. Rf5 Qxe3+ 35. Kh1 Qf2 36. Rxf2 c4 37. Rfxe2 c3 38. Nxh5+ Kg6 39. Rxb2 cxb2 40. Nf4+ Nxf4 41. Qxf4 Rxd7 42. Qf5+ Kg7 43. Qxd7 a5 44. Rb1 a4 45. Rxb2 a3 46. Ra2 Kf6 47. Rxa3 Ke5 48. Qd5+ Kf4 49. Qf5# 1-0

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "11"]
[White "Piddubna, Bozhena"]
[Black "Lai, Duc Minh1"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "2145"]
[BlackElo "2072"]
[PlyCount "137"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nf3 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 d6 7. Qb3 c6 8. Nc3 Ne4 9. Nxe4 fxe4 10. Ng5 Bxd4 11. Nxe4 Bg7 12. Bg5 h6 13. Be3 Na6 14. a3 Kh7 15. Rad1 Rf7 16. h4 Nc7 17. Bd4 Bxd4 18. Rxd4 Rb8 19. Nc3 Ne6 20. Rd2 Nc5 21. Qc2 Bf5 22. e4 Be6 23. b4 Nd7 24. Ne2 Ne5 25. c5 Qf8 26. f4 Nc4 27. Rd3 Rg7 28. f5 gxf5 29. exf5 Bg8 30. f6 Rg6 31. h5 Rxf6 32. Rxd6+ Kg7 33. Rdxf6 exf6 34. Qg6+ Kh8 35. Rxf6 Qg7 36. Qxh6+ Qxh6 37. Rxh6+ Kg7 38. Rg6+ Kf8 39. Nf4 Ne5 40. Rf6+ Ke7 41. Rf5 Nf7 42. Bh3 Rd8 43. Ng6+ Ke8 44. Rf2 Rd1+ 45. Kg2 Bh7 46. Re2+ Kd8 47. Bf5 Nh6 48. Bc2 Rc1 49. Rd2+ Kc7 50. Be4 Re1 51. Bd3 Ra1 52. Ne5 Bg8 53. g4 Bd5+ 54. Kg3 Rxa3 55. g5 Nf5+ 56. Kf4 Nh4 57. h6 Rb3 58. h7 Rxb4+ 59. Kg3 Nf5+ 60. Bxf5 Rb3+ 61. Rd3 Rb1 62. h8Q Rg1+ 63. Kf2 Rxg5 64. Qh7+ Kb8 65. Rxd5 Rxf5+ 66. Qxf5 cxd5 67. Qf8+ Kc7 68. Qd6+ Kc8 69. Qd7+ 1-0

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "4"]
[White "Piddubna, Bozhena"]
[Black "Masague Artero, Guerau"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2145"]
[BlackElo "2343"]
[PlyCount "165"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 h6 5. Bg2 Bd6 6. 0-0 0-0 7. Nc3 Nc6 8. cxd5 exd5 9. Qc2 Bg4 10. Be3 Qd7 11. Qb3 Na5 12. Qb5 Nc4 13. Qxd7 Bxd7 14. Bc1 Rfe8 15. b3 Bb4 16. Nxd5 Nxd5 17. bxc4 Nb6 18. Ne5 Bc3 19. Rb1 Bf5 20. e4 Bxd4 21. exf5 Rxe5 22. Bxb7 Rae8 23. Bc6 R8e7 24. f6 R7e6 25. Bd5 Rxf6 26. Bf4 Re7 27. Rfe1 Rxe1+ 28. Rxe1 g5 29. Re8+ Kg7 30. Bxc7 Bxf2+ 31. Kg2 Bd4 32. Be5 Bxe5 33. Rxe5 Kf8 34. Re2 Rd6 35. c5 Rxd5 36. cxb6 axb6 37. Rb2 b5 38. g4 Kg7 39. h3 Kg6 40. Kg3 h5 41. Rb3 h4+ 42. Kf3 Rd2 43. Rxb5 Rh2 44. Ke4 Rxh3 45. Rb6+ f6 46. a4 Ra3 47. Rb4 h3 48. Rb1 Rxa4+ 49. Kf3 f5 50. gxf5+ Kxf5 51. Kg3 Ra3+ 52. Kh2 Rf3 53. Rb5+ Kg4 54. Rb4+ Rf4 55. Rb3 Kh4 56. Rxh3+ Kg4 57. Rg3+ Kf5 58. Rb3 Rd4 59. Kg3 Rd5 60. Ra3 Rb5 61. Rf3+ Kg6 62. Ra3 Kh5 63. Rc3 Re5 64. Ra3 g4 65. Rb3 Rf5 66. Ra3 Kg5 67. Rb3 Re5 68. Ra3 Rb5 69. Rc3 Ra5 70. Rb3 Rf5 71. Rc3 Ra5 72. Rb3 Kf5 73. Rc3 Ra1 74. Rc5+ Ke4 75. Kxg4 Rg1+ 76. Kh3 Kf4 77. Kh2 Rg7 78. Ra5 Kf3 79. Ra3+ Kf2 80. Ra2+ Kf3 81. Ra3+ Kf2 82. Ra2+ Kf3 83. Ra3+ 1/2-1/2

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "5"]
[White "Piddubna, Bozhena"]
[Black "Piesik, Piotr"]
[Result "0-1"]
[ECO "A60"]
[WhiteElo "2145"]
[BlackElo "2434"]
[PlyCount "94"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. dxe6 fxe6 4. c4 Nf6 5. Nc3 d5 6. cxd5 exd5 7. e3 Nc6 8. Nf3 Be7 9. Be2 Be6 10. 0-0 h6 11. Nh4 0-0 12. Ng6 Rf7 13. Bf3 d4 14. exd4 cxd4 15. Ne4 Nd5 16. a3 Bd6 17. Re1 Bb8 18. Nc5 Bf5 19. Nh4 Qxh4 20. Bxd5 Qxh2+ 21. Kf1 Qh1+ 22. Ke2 Bg4+ 23. f3 Qxg2+ 24. Kd3 Bf5+ 25. Kc4 Ne5+ 26. Rxe5 Bxe5 27. Bxf7+ Kxf7 28. Qb3 Qc2+ 29. Qxc2 Bxc2 30. Bd2 Rc8 31. Kd5 Bf6 32. Rc1 Bf5 33. Nxb7 Rxc1 34. Bxc1 h5 35. Nd6+ Kg6 36. Nb5 d3 37. Nc3 h4 38. Bf4 h3 39. Nd1 Bg5 40. Be5 Bc1 41. b4 Bxa3 42. b5 d2 43. Bf4 Bc1 44. Kd4 Bc2 45. Ne3 d1Q+ 46. Nxd1 Bxf4 47. Nf2 Bf5 0-1

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "9"]
[White "Piddubna, Bozhena"]
[Black "Schmider, Niklas"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2145"]
[BlackElo "2395"]
[PlyCount "59"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 a6 5. Bg2 dxc4 6. 0-0 b5 7. Ne5 Nd5 8. e4 Nf6 9. d5 exd5 10. exd5 Bd6 11. Bf4 0-0 12. a4 g5 13. Nc6 Nxc6 14. Bxd6 Qxd6 15. dxc6 Qxd1 16. Rxd1 Bg4 17. Re1 Rfe8 18. Nc3 b4 19. Nd5 Nxd5 20. Bxd5 c3 21. bxc3 bxc3 22. Rec1 Rad8 23. Bc4 a5 24. Rxc3 Rd2 25. Kg2 Kg7 26. h3 Bf5 27. g4 Be4+ 28. Kg3 Red8 29. Re1 R8d4 30. Bb5 1-0

[Event "Titled Tuesday intern op 11th Mar Late"]
[Site "Chess.com INT"]
[Date "2025.03.11"]
[Round "3"]
[White "Stefansson, Vignir Vatnar"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "E00"]
[WhiteElo "2551"]
[BlackElo "2145"]
[PlyCount "85"]
[EventDate "2025.03.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 c5 5. a3 Bxd2+ 6. Qxd2 cxd4 7. Nf3 d5 8. cxd5 e5 9. Nxe5 Qxd5 10. Nf3 Nc6 11. Bg2 0-0 12. 0-0 Qd8 13. b4 Ne4 14. Qb2 Bg4 15. b5 Na5 16. Qxd4 Bxf3 17. Qxd8 Raxd8 18. Bxf3 Nc3 19. a4 a6 20. Ba3 Rfe8 21. Bb4 Nb3 22. Bxc3 Nxa1 23. Rxa1 axb5 24. axb5 Rb8 25. e3 h6 26. Bd4 Re7 27. Ra7 g6 28. h4 Rd7 29. Be5 Re8 30. Bf4 Ree7 31. Bxh6 Kh7 32. Bg5 Re5 33. Be2 Rd2 34. Kf1 Rd7 35. Bf6 Rc5 36. Bd4 Rc1+ 37. Kg2 Rc2 38. Bf3 Rcc7 39. b6 Rc2 40. Rxb7 Rxb7 41. Bxb7 Rc1 42. Be4 Rb1 43. Bxb1 1-0

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "8"]
[White "Aradhya, Garg"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2359"]
[BlackElo "2145"]
[PlyCount "173"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 Be7 6. d5 exd5 7. cxd5 0-0 8. e4 a5 9. e5 Ne8 10. Bd3 d6 11. 0-0 dxe5 12. Nxe5 Bf6 13. Bf4 Nd7 14. Nc6 Bxc6 15. dxc6 Nc5 16. Bc2 Bxc3 17. bxc3 Qf6 18. Qf3 Ne6 19. Qe4 g6 20. Be5 Qe7 21. Rfe1 Qc5 22. Qe3 Qc4 23. a4 Rd8 24. Qf3 Rd2 25. Qe4 Qc5 26. Re2 Rxe2 27. Qxe2 Qxc6 28. h4 Nd6 29. h5 Qc4 30. Qe3 Qc5 31. Qe2 Qc4 32. Bd3 Qh4 33. hxg6 hxg6 34. Bxg6 fxg6 35. Bxd6 Re8 36. Bg3 Qg5 37. Re1 Qf6 38. Qc4 Qf7 39. Re3 Ng7 40. Qxf7+ Kxf7 41. Bxc7 Rxe3 42. fxe3 b5 43. axb5 a4 44. b6 a3 45. c4 Ke6 46. b7 a2 47. b8Q a1Q+ 48. Kf2 Qf6+ 49. Bf4 g5 50. Qb6+ Kf7 51. Qxf6+ Kxf6 52. Bg3 Ne6 53. Kf3 Kf5 54. e4+ Kf6 55. Kg4 Nc5 56. e5+ Ke6 57. Kxg5 Ne4+ 58. Kf4 Nd2 59. c5 Nb3 60. Bf2 Na5 61. g4 Nc6 62. g5 Nxe5 63. Ke4 Ng6 64. Bd4 Ne7 65. Bf6 Nc6 66. Bb2 Ne7 67. Ba1 Nc6 68. Bf6 Na5 69. Bc3 Nc6 70. g6 Ne7 71. g7 Kf7 72. Bd4 Nc6 73. Kd5 Ne7+ 74. Kc4 Nc6 75. Bc3 Ne7 76. Kb5 Nd5 77. Bd4 Ne7 78. c6 Nf5 79. Bb2 Nd6+ 80. Kb6 Nc4+ 81. Ka7 Nxb2 82. c7 Nd3 83. c8Q Ne5 84. g8Q+ Kf6 85. Qcf8+ Nf7 86. Qgxf7+ Ke5 87. Qc5+ 1-0

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "2"]
[White "Coe, William R"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "C90"]
[WhiteElo "2078"]
[BlackElo "2145"]
[PlyCount "104"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. h3 g5 11. d4 g4 12. hxg4 Nxg4 13. dxe5 dxe5 14. Qxd8+ Bxd8 15. Bg5 f6 16. Bh4 Rg8 17. Nbd2 Ra7 18. g3 Nh6 19. Nf1 Nf7 20. Ne3 Be6 21. b3 Nh8 22. Rad1 Ng6 23. Nd5 Nxh4 24. Nxh4 Rag7 25. Ne3 Nc6 26. Nhf5 Rd7 27. Rxd7 Bxd7 28. Rd1 b4 29. Nd5 bxc3 30. Nxc3 Nd4 31. Bd3 h5 32. Nxd4 cxd4 33. Nd5 h4 34. Kg2 hxg3 35. fxg3 f5 36. exf5 Bh4 37. Kh3 Bd8 38. Rg1 Rg5 39. g4 Bc6 40. Be4 Rg8 41. Rc1 Rh8+ 42. Kg3 Kd7 43. Kf3 Rh3+ 44. Kg2 Bxd5 45. Bxd5 Rc3 46. Re1 Kd6 47. Bc4 Bg5 48. Bxa6 Rc2+ 49. Kf3 Rxa2 50. Re2 Rxa6 51. f6 Bxf6 52. Ra2 Rxa2 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "5"]
[White "Dushyant, Sharma"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "C49"]
[WhiteElo "2313"]
[BlackElo "2145"]
[PlyCount "81"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. 0-0 0-0 6. d3 Bxc3 7. bxc3 d6 8. Bg5 Qe7 9. Re1 a6 10. Bc4 h6 11. Bh4 Na5 12. Bb3 c5 13. Bd5 g5 14. Bg3 Nxd5 15. exd5 f5 16. Nxe5 dxe5 17. Bxe5 Qf7 18. c4 b5 19. Bd6 bxc4 20. Bxf8 Qxf8 21. Qd2 Qd8 22. dxc4 Nxc4 23. Qc3 Nd6 24. Qxc5 Rb8 25. Rab1 Bb7 26. Re6 Bxd5 27. Rxb8 Qxb8 28. Qxd5 Nf7 29. h3 Qb1+ 30. Kh2 Qb8+ 31. g3 f4 32. Rg6+ Kf8 33. Qc5+ Ke8 34. Rg8+ Kd7 35. Rxb8 fxg3+ 36. fxg3 Nd8 37. Rb6 Ne6 38. Qd6+ Ke8 39. Qxe6+ Kf8 40. Rb7 h5 41. Qc8# 1-0

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "7"]
[White "Piddubna, Bozhena"]
[Black "Kopylov, Daniel"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2145"]
[BlackElo "2427"]
[PlyCount "137"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 c6 6. Nc3 d5 7. Qb3 Qb6 8. 0-0 Rd8 9. Bd2 dxc4 10. Qxc4 Be6 11. Qd3 Na6 12. Na4 Qb5 13. Qxb5 cxb5 14. Nc3 b4 15. Nd1 Ne4 16. Be3 Bd5 17. Re1 Rac8 18. a3 b3 19. Rc1 Rxc1 20. Bxc1 Rc8 21. Ne3 e6 22. h4 Nb8 23. Nxd5 exd5 24. Bf4 Rc2 25. Bxb8 Rxb2 26. Be5 f6 27. Bf4 Rc2 28. Nd2 Nxd2 29. Bxd5+ Kh8 30. Bxd2 Rxd2 31. Bxb3 Rxd4 32. Rc1 Rd8 33. Rc7 Rb8 34. Bd5 Bf8 35. a4 b5 36. Rxa7 bxa4 37. Rxa4 f5 38. Ra7 Rd8 39. Bf3 Bd6 40. Kg2 Rc8 41. g4 Rc7 42. Rxc7 Bxc7 43. gxf5 gxf5 44. h5 h6 45. Kf1 Kg7 46. Ke1 Kf6 47. Kd1 Ke5 48. Kd2 Bb6 49. e3 f4 50. Kd3 fxe3 51. fxe3 Bd8 52. Kc4 Bg5 53. Kd3 Bf6 54. Bg4 Bg5 55. e4 Bf6 56. Bf5 Bg5 57. Bg6 Bf6 58. Kc4 Bg5 59. Kc5 Bf6 60. Kc6 Bg5 61. Kd7 Bf4 62. Ke8 Bg5 63. Kf7 Bf4 64. Bf5 Bg5 65. Kg6 Bf4 66. Kh7 Bg5 67. Kg6 Bf4 68. Kh7 Bg5 69. Kg6 1/2-1/2

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "4"]
[White "Piddubna, Bozhena"]
[Black "Landivar, Matias"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2145"]
[BlackElo "2014"]
[PlyCount "97"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 Bf5 4. Nc3 Ne4 5. g3 Nxc3 6. bxc3 Be4 7. Bg2 g6 8. 0-0 Bg7 9. Be3 0-0 10. Qc1 Re8 11. Bh6 Bh8 12. Qf4 f5 13. d5 e5 14. dxe6 Rxe6 15. Ng5 Re7 16. Nxe4 Rxe4 17. Bxe4 fxe4 18. Qxe4 Bxc3 19. Qb1 b6 20. Qe4 Nd7 21. Rac1 Bf6 22. Rcd1 Qe8 23. Qd5+ Kh8 24. Qc6 Rc8 25. Qb7 a5 26. Qf3 Qe6 27. Qb7 Nc5 28. Qd5 Qxd5 29. cxd5 Re8 30. e3 Bc3 31. Rc1 Bf6 32. h4 Re7 33. Rfd1 Ne4 34. Rc4 Kg8 35. Rdc1 Nc5 36. R1c2 Re5 37. Rd2 Rh5 38. Bf4 Kg7 39. Kg2 h6 40. g4 Rxh4 41. Bg3 Rxg4 42. Rxg4 g5 43. Rc4 Kg6 44. Rd1 h5 45. Rxc5 bxc5 46. Rb1 h4 47. Bh2 Kf5 48. Kf3 g4+ 49. Ke2 1-0

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "6"]
[White "Piddubna, Bozhena"]
[Black "Teh, Wee Zhun"]
[Result "1/2-1/2"]
[ECO "D73"]
[WhiteElo "2145"]
[BlackElo "2010"]
[PlyCount "82"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. Nc3 dxc4 7. Ne5 Ng4 8. Nxg4 Bxg4 9. Be3 Nd7 10. 0-0 Nb6 11. a4 a5 12. d5 Nxd5 13. Nxd5 cxd5 14. Bxd5 Bxe2 15. Bxf7+ Kxf7 16. Qxe2 Qd3 17. Qf3+ Qf5 18. Qxb7 Rhb8 19. Qc7 Bxb2 20. Qxc4+ Qe6 21. Qxe6+ Kxe6 22. Rab1 Bc3 23. Bc5 Rxb1 24. Rxb1 Rc8 25. Rb5 Rc6 26. Bb6 Rc4 27. Bxa5 Bxa5 28. Rxa5 Rc1+ 29. Kg2 Ra1 30. h4 h5 31. Kf3 Ra3+ 32. Kf4 Kf6 33. Ra6+ e6 34. f3 Rb3 35. a5 Ra3 36. Ra8 Ra4+ 37. Ke3 Ra3+ 38. Kf2 Ra2+ 39. Ke3 Ra3+ 40. Ke4 Ra4+ 41. Ke3 Ra3+ 1/2-1/2

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "3"]
[White "Piddubna, Bozhena"]
[Black "Tregubov, Pavel V"]
[Result "0-1"]
[ECO "A59"]
[WhiteElo "2145"]
[BlackElo "2555"]
[PlyCount "118"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. Nf3 Bg7 10. g3 0-0 11. Kg2 Nbd7 12. a4 Ng4 13. Nb5 Qb6 14. Qc2 Rfc8 15. h3 Nge5 16. Bd2 Nxf3 17. Kxf3 c4 18. Kg2 Nc5 19. Be3 Qb7 20. Bxc5 Rxc5 21. Rhc1 Rac8 22. Qe2 Qa6 23. h4 h5 24. Nc3 Qb6 25. Nb5 Qa5 26. Ra3 Qb4 27. Rc2 Ra8 28. Nc3 Bxc3 29. Rcxc3 Rxa4 30. Rxa4 Qxa4 31. Qc2 Qxc2 32. Rxc2 f5 33. Kf3 Kf7 34. Ke3 e6 35. dxe6+ Kxe6 36. Kd4 fxe4 37. Rxc4 Rb5 38. Rc2 d5 39. Ke3 Rb3+ 40. Kf4 Rf3+ 41. Kg5 d4 42. Kxg6 d3 43. Rd2 Ke5 44. Kg5 Kd4 45. Kxh5 e3 46. fxe3+ Kxe3 47. Rxd3+ Kxd3 48. g4 Ke4 49. b4 Ke5 50. g5 Ke6 51. Kg6 Ke7 52. h5 Kf8 53. Kh7 Rf7+ 54. Kh6 Kg8 55. g6 Rb7 56. Kg5 Rb5+ 57. Kh6 Rxb4 58. Kg5 Rb5+ 59. Kf6 Rxh5 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "1"]
[White "Piddubna, Bozhena"]
[Black "Vasquez Schroder, Rodrigo Rafael"]
[Result "0-1"]
[ECO "A70"]
[WhiteElo "2145"]
[BlackElo "2446"]
[PlyCount "56"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 d6 5. Nc3 exd5 6. cxd5 g6 7. e4 a6 8. h3 b5 9. Bf4 Bg7 10. Be2 0-0 11. Nd2 Re8 12. f3 Nh5 13. Bh2 Qh4+ 14. Kf1 Ng3+ 15. Bxg3 Qxg3 16. Qe1 Qe5 17. Nd1 Nd7 18. a4 Rb8 19. axb5 axb5 20. Nc3 c4 21. Qf2 Nc5 22. g3 f5 23. f4 Qe7 24. e5 dxe5 25. fxe5 Bxe5 26. Kg2 Bxc3 27. bxc3 Qxe2 28. Rhe1 Qxf2+ 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "9"]
[White "Piddubna, Bozhena"]
[Black "Wijerathna, Vinuka Dihain"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2145"]
[BlackElo "2117"]
[PlyCount "59"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Qc2 Ne4 9. Be3 f5 10. Ne5 Nd7 11. Bxe4 fxe4 12. Nxd7 Bxd7 13. Nd2 Bf6 14. f3 e5 15. dxe5 Bxe5 16. fxe4 d4 17. Nf3 dxe3 18. Nxe5 Bh3 19. Rxf8+ Qxf8 20. Nf3 Rd8 21. c5 Rd2 22. Qb3+ Kh8 23. Qxe3 Rxb2 24. Rd1 Rxa2 25. Ng5 Bc8 26. Rd8 Qxd8 27. Nf7+ Kg8 28. Nxd8 Ra1+ 29. Kg2 Bh3+ 30. Kxh3 1-0

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "11"]
[White "Ruiz Aguilar, Pablo Alexander"]
[Black "Piddubna, Bozhena"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2190"]
[BlackElo "2145"]
[PlyCount "154"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 d5 7. exd5 cxd5 8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. 0-0 Be7 11. b3 0-0 12. Bb2 Qf5 13. Nd2 Bd6 14. Nf3 Ne4 15. Nd4 Qg6 16. Nf3 c6 17. Qd3 Qh6 18. g3 Rfe8 19. Rad1 Rad8 20. Kg2 Qg6 21. Qa6 Bb8 22. Bd4 c5 23. Qxg6 hxg6 24. Bb2 d4 25. Rfe1 f5 26. Nd2 Kf7 27. Nc4 Bc7 28. a4 g5 29. f3 Nf6 30. Kf2 g4 31. Rxe8 Rxe8 32. Ba3 Rh8 33. Rh1 gxf3 34. Kxf3 Ne4 35. g4 g6 36. gxf5 gxf5 37. h4 Ke6 38. h5 Kd5 39. h6 Bd8 40. Rh5 Bg5 41. h7 a6 42. Nb6+ Ke6 43. Nc4 Bf6 44. Rh6 Ng5+ 45. Ke2 Rxh7 46. Rxh7 Nxh7 47. Bxc5 Kd5 48. Bb6 Ng5 49. Bc7 Ne4 50. Bf4 Nc3+ 51. Kf3 Ne4 52. Nb2 Nc5 53. Nd3 Nxd3 54. cxd3 Kc5 55. Bd2 Be5 56. b4+ Kd5 57. Bf4 Bg7 58. Kg3 Bf8 59. Bd2 f4+ 60. Kg4 Bd6 61. Kf3 Kc6 62. Ke4 Be7 63. Kxd4 Bf6+ 64. Ke4 Be7 65. Kxf4 Kd5 66. Kf5 Bf8 67. b5 axb5 68. a5 Bc5 69. a6 Kd4 70. Bb4 Ba7 71. Ke6 Kxd3 72. Kd7 Kc4 73. Ba5 b4 74. Bxb4 Kxb4 75. Kc6 Ka5 76. Kb7 Bf2 77. a7 Bxa7 1/2-1/2

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "10"]
[White "Salonen, Aku"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "E42"]
[WhiteElo "2233"]
[BlackElo "2145"]
[PlyCount "65"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 c5 6. Nge2 d5 7. a3 Bxc3+ 8. Nxc3 cxd4 9. exd4 dxc4 10. Bxc4 Nc6 11. Be3 e5 12. d5 Nd4 13. 0-0 Nf5 14. Bc5 Re8 15. Rc1 b6 16. Be3 a6 17. Ba2 Bb7 18. Qd2 h6 19. Rfd1 Ng4 20. Ne4 Qh4 21. Rc7 Nfxe3 22. fxe3 Qxh2+ 23. Kf1 Qh1+ 24. Ke2 Qxg2+ 25. Kd3 Qf3 26. Rxb7 f5 27. d6+ Kh7 28. Bd5 Kh8 29. Kc2 fxe4 30. Kb1 Rad8 31. d7 Re7 32. Bc6 Qxe3 33. Qd6 1-0

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "5"]
[White "Alinasab, Mobina"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "C27"]
[WhiteElo "2322"]
[BlackElo "2152"]
[PlyCount "82"]
[EventDate "2025.02.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 c6 4. Qf3 Bb4 5. Nge2 d6 6. h3 Be6 7. Bb3 0-0 8. 0-0 d5 9. exd5 cxd5 10. d4 e4 11. Qg3 Bd6 12. Qh4 Be7 13. Bg5 h6 14. Bxf6 Bxf6 15. Qh5 g6 16. Qxd5 Bxd5 17. Bxd5 Nc6 18. Rad1 Bg7 19. Bxe4 Re8 20. d5 Ne5 21. d6 Qd7 22. Rd5 Rad8 23. Rfd1 f5 24. Bd3 Nxd3 25. R5xd3 Be5 26. Rd5 a6 27. Nd4 Bxd6 28. Nf3 Qe7 29. g3 Bc7 30. Rxd8 Rxd8 31. Re1 Qf7 32. Kg2 Re8 33. Rd1 Kg7 34. Rd3 g5 35. Nd5 g4 36. Nh4 Bd8 37. hxg4 Bxh4 38. gxh4 fxg4 39. Nc3 h5 40. Rd2 Qf3+ 41. Kh2 Qf4+ 0-1

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "5"]
[White "Alinasab, Mobina"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "C27"]
[WhiteElo "2322"]
[BlackElo "2152"]
[PlyCount "82"]
[EventDate "2025.02.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB08_2025"]
[SourceDate "2025.02.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.19"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 c6 4. Qf3 Bb4 5. Nge2 d6 6. h3 Be6 7. Bb3 0-0 8. 0-0 d5 9. exd5 cxd5 10. d4 e4 11. Qg3 Bd6 12. Qh4 Be7 13. Bg5 h6 14. Bxf6 Bxf6 15. Qh5 g6 16. Qxd5 Bxd5 17. Bxd5 Nc6 18. Rad1 Bg7 19. Bxe4 Re8 20. d5 Ne5 21. d6 Qd7 22. Rd5 Rad8 23. Rfd1 f5 24. Bd3 Nxd3 25. R5xd3 Be5 26. Rd5 a6 27. Nd4 Bxd6 28. Nf3 Qe7 29. g3 Bc7 30. Rxd8 Rxd8 31. Re1 Qf7 32. Kg2 Re8 33. Rd1 Kg7 34. Rd3 g5 35. Nd5 g4 36. Nh4 Bd8 37. hxg4 Bxh4 38. gxh4 fxg4 39. Nc3 h5 40. Rd2 Qf3+ 41. Kh2 Qf4+ 0-1

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "11"]
[White "Casiguran, Phil Martin"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2116"]
[BlackElo "2152"]
[PlyCount "103"]
[EventDate "2025.02.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 0-0 6. 0-0 d6 7. h3 Na5 8. Qe2 Nxc4 9. dxc4 c6 10. Bg5 h6 11. Be3 Qc7 12. Rad1 Be6 13. b3 Rad8 14. Bc1 Rfe8 15. Rd3 Nd7 16. a4 Nf8 17. Rfd1 Ng6 18. Kh2 d5 19. cxd5 cxd5 20. Nxd5 Bxd5 21. Rxd5 Rxd5 22. Rxd5 Rc8 23. c4 a6 24. g3 Qb6 25. Rd3 Bc5 26. Kg2 Qe6 27. Rd5 Bb4 28. Bb2 f6 29. Qd1 Kh7 30. Rd7 b5 31. axb5 axb5 32. Rb7 Qc6 33. Rxb5 Be7 34. Rd5 Ra8 35. h4 Ra2 36. Bc1 Ra1 37. h5 Nf8 38. Qc2 Bb4 39. Be3 Ne6 40. Nh4 Ra8 41. f3 Ng5 42. Rd1 Ne6 43. Nf5 Qb7 44. Rd5 Qc7 45. Qd1 Rc8 46. Rd7 Qc6 47. Bxh6 Kh8 48. Bxg7+ Nxg7 49. Rxg7 Rg8 50. Qc1 Rxg7 51. Qh6+ Kg8 52. Qxg7# 1-0

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "11"]
[White "Casiguran, Phil Martin"]
[Black "Piddubna, Bozhena"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2116"]
[BlackElo "2152"]
[PlyCount "103"]
[EventDate "2025.02.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB08_2025"]
[SourceDate "2025.02.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 0-0 6. 0-0 d6 7. h3 Na5 8. Qe2 Nxc4 9. dxc4 c6 10. Bg5 h6 11. Be3 Qc7 12. Rad1 Be6 13. b3 Rad8 14. Bc1 Rfe8 15. Rd3 Nd7 16. a4 Nf8 17. Rfd1 Ng6 18. Kh2 d5 19. cxd5 cxd5 20. Nxd5 Bxd5 21. Rxd5 Rxd5 22. Rxd5 Rc8 23. c4 a6 24. g3 Qb6 25. Rd3 Bc5 26. Kg2 Qe6 27. Rd5 Bb4 28. Bb2 f6 29. Qd1 Kh7 30. Rd7 b5 31. axb5 axb5 32. Rb7 Qc6 33. Rxb5 Be7 34. Rd5 Ra8 35. h4 Ra2 36. Bc1 Ra1 37. h5 Nf8 38. Qc2 Bb4 39. Be3 Ne6 40. Nh4 Ra8 41. f3 Ng5 42. Rd1 Ne6 43. Nf5 Qb7 44. Rd5 Qc7 45. Qd1 Rc8 46. Rd7 Qc6 47. Bxh6 Kh8 48. Bxg7+ Nxg7 49. Rxg7 Rg8 50. Qc1 Rxg7 51. Qh6+ Kg8 52. Qxg7# 1-0

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "8"]
[White "Dahlgren, James Allen"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1891"]
[BlackElo "2152"]
[PlyCount "124"]
[EventDate "2025.02.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nd5 h6 6. Bc4 d6 7. 0-0 Ne5 8. Qxd4 Nxc4 9. Qxc4 c6 10. Nxf6+ Qxf6 11. Re1 Be7 12. e5 dxe5 13. Nxe5 0-0 14. Bf4 Be6 15. Qe4 Rfe8 16. Bg3 Rad8 17. Rad1 Rxd1 18. Rxd1 Bd5 19. Qd4 b6 20. c4 Bc5 21. Qc3 Be6 22. Nxc6 Qg6 23. Nxa7 Qh5 24. Re1 Ra8 25. b4 Rxa7 26. bxc5 Qxc5 27. h3 Rxa2 28. Rc1 Ra8 29. Kh2 Rc8 30. Be5 Qxc4 31. Bxg7 Qxc3 32. Bxc3 b5 33. Bd2 Rxc1 34. Bxc1 b4 35. Bxh6 b3 36. Bc1 Kh7 37. Bb2 Kg6 38. f4 f5 39. Kg3 Bd5 40. Kf2 Kh5 41. g3 Bc6 42. Bc3 Bd5 43. Bb2 Bc6 44. Be5 Be4 45. Bb2 Kg6 46. Ke3 Kh5 47. Kf2 Bd5 48. Bc3 Bc6 49. Ke3 Bg2 50. Kf2 Bxh3 51. Bb2 Bg4 52. Bc3 Bd1 53. Ke3 Kg4 54. Kd4 Kxg3 55. Ke5 Bc2 56. Bb2 Kf3 57. Bc3 Ke2 58. Kd4 Kf3 59. Ke5 Ke3 60. Kd5 Kd3 61. Bb2 Bd1 62. Kc5 Kc2 0-1

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "8"]
[White "Dahlgren, James Allen"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1891"]
[BlackElo "2152"]
[PlyCount "124"]
[EventDate "2025.02.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB08_2025"]
[SourceDate "2025.02.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.19"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nd5 h6 6. Bc4 d6 7. 0-0 Ne5 8. Qxd4 Nxc4 9. Qxc4 c6 10. Nxf6+ Qxf6 11. Re1 Be7 12. e5 dxe5 13. Nxe5 0-0 14. Bf4 Be6 15. Qe4 Rfe8 16. Bg3 Rad8 17. Rad1 Rxd1 18. Rxd1 Bd5 19. Qd4 b6 20. c4 Bc5 21. Qc3 Be6 22. Nxc6 Qg6 23. Nxa7 Qh5 24. Re1 Ra8 25. b4 Rxa7 26. bxc5 Qxc5 27. h3 Rxa2 28. Rc1 Ra8 29. Kh2 Rc8 30. Be5 Qxc4 31. Bxg7 Qxc3 32. Bxc3 b5 33. Bd2 Rxc1 34. Bxc1 b4 35. Bxh6 b3 36. Bc1 Kh7 37. Bb2 Kg6 38. f4 f5 39. Kg3 Bd5 40. Kf2 Kh5 41. g3 Bc6 42. Bc3 Bd5 43. Bb2 Bc6 44. Be5 Be4 45. Bb2 Kg6 46. Ke3 Kh5 47. Kf2 Bd5 48. Bc3 Bc6 49. Ke3 Bg2 50. Kf2 Bxh3 51. Bb2 Bg4 52. Bc3 Bd1 53. Ke3 Kg4 54. Kd4 Kxg3 55. Ke5 Bc2 56. Bb2 Kf3 57. Bc3 Ke2 58. Kd4 Kf3 59. Ke5 Ke3 60. Kd5 Kd3 61. Bb2 Bd1 62. Kc5 Kc2 0-1

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "4"]
[White "Kaplan, Ebru"]
[Black "Piddubna, Bozhena"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1905"]
[BlackElo "2152"]
[PlyCount "68"]
[EventDate "2025.02.11"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB08_2025"]
[SourceDate "2025.02.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d5 5. Bb5 Nxe4 6. Qe2 Nxc3 7. Qxe5+ Qe7 8. dxc3 Bd7 9. Qxe7+ Bxe7 10. Be3 0-0-0 11. h3 f6 12. 0-0-0 a6 13. Ba4 Be8 14. Rhe1 b5 15. Bb3 Bf7 16. a4 Na5 17. axb5 axb5 18. Nd4 b4 19. cxb4 Bxb4 20. c3 Bd6 21. Ba4 Be8 22. Bxe8 Rhxe8 23. b3 c5 24. Nf5 Nxb3+ 25. Kb2 c4 26. Bb6 Rxe1 27. Rxe1 Rd7 28. Re8+ Kb7 29. Be3 Be5 30. Rg8 g6 31. Nh6 d4 32. cxd4 Nxd4 33. Ka3 Nb5+ 34. Kb4 Nd6 0-1

