[Event "POL-chT U20 1st League"]
[Site "Chotowa"]
[Date "2025.06.22"]
[Round "9.3"]
[White "Rutkowski, Feliks"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1995"]
[BlackElo "2177"]
[PlyCount "106"]
[EventDate "2025.06.14"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]
[WhiteTeam "Chylice Laura"]
[BlackTeam "Poznan Lech"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Nf3 e6 8. Nbd2 Bd6 9. Bxd6 Qxd6 10. 0-0 0-0 11. Re1 Rab8 12. Nf1 b5 13. a3 Na5 14. h3 Bh5 15. Ng3 Bxf3 16. Qxf3 Rfc8 17. Nh5 Nxh5 18. Qxh5 g6 19. Qh6 Nc4 20. Re2 Qf8 21. Qg5 Qd8 22. Qh6 Qf8 23. Qg5 h6 24. Qg4 h5 25. Qg5 Qd8 26. Qf4 Kg7 27. Rae1 Qf6 28. Qg3 Rb6 29. f4 a5 30. Rf1 Nd6 31. Re5 Kh8 32. Qe1 b4 33. axb4 axb4 34. g4 hxg4 35. hxg4 bxc3 36. g5 Qg7 37. bxc3 Rb3 38. f5 gxf5 39. Qh4+ Qh7 40. Qg3 Rcxc3 41. Re3 Ne4 42. Qe5+ Qg7 43. Rh3+ Kg8 44. Rff3 Qxe5 45. dxe5 Nc5 46. Be2 Rxf3 47. Bxf3 Nd7 48. g6 fxg6 49. Bxd5 Rxh3 50. Bxe6+ Kf8 51. Bxd7 Re3 52. e6 Ke7 53. Kf2 Rxe6 0-1

[Event "POL-chT U20 1st League"]
[Site "Chotowa"]
[Date "2025.06.21"]
[Round "8.3"]
[White "Diachek, Andriy"]
[Black "Staniczek, Kacper"]
[Result "1-0"]
[ECO "C76"]
[WhiteElo "2177"]
[BlackElo "2032"]
[PlyCount "71"]
[EventDate "2025.06.14"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]
[WhiteTeam "Poznan Lech"]
[BlackTeam "Wodzisław Slaski"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Bd7 6. c3 g6 7. d4 Bg7 8. h3 h6 9. Re1 b5 10. Bc2 Nf6 11. Nbd2 0-0 12. Nf1 Re8 13. Ng3 Qc8 14. Be3 Qb7 15. Qd2 Kh7 16. b3 Rad8 17. d5 Ne7 18. c4 c6 19. a4 bxc4 20. bxc4 c5 21. Qa5 Rb8 22. Rab1 Qa7 23. Rxb8 Rxb8 24. Nxe5 Nxe4 25. Nxe4 Bxe5 26. Nxc5 Rb2 27. Nd3 Qb8 28. Nxb2 Qxb2 29. Qd8 Qxc2 30. Qxd7 Nf5 31. Qxf7+ Ng7 32. Bf4 Bd4 33. Bxd6 Qc3 34. Re8 Bxf2+ 35. Kh2 h5 36. Be5 1-0

[Event "POL-chT U20 1st League"]
[Site "Chotowa"]
[Date "2025.06.20"]
[Round "7.9"]
[White "Mrozowski, Nikodem"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1927"]
[BlackElo "2177"]
[PlyCount "106"]
[EventDate "2025.06.14"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]
[WhiteTeam "Rzeszow"]
[BlackTeam "Poznan Lech"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be7 8. Nd5 Nf6 9. Nxf6+ Bxf6 10. Nc4 0-0 11. Be2 Be6 12. Ne3 Rc8 13. c3 Bg5 14. 0-0 g6 15. Nd5 Bxc1 16. Rxc1 Ne7 17. Bg4 Bxg4 18. Nxe7+ Qxe7 19. Qxg4 Qe6 20. Qxe6 fxe6 21. Rfd1 Rc6 22. f3 g5 23. Rd3 Kf7 24. Kf2 Ke7 25. Ke3 h5 26. Rc2 b5 27. g3 a5 28. Rf2 Rcc8 29. f4 exf4+ 30. gxf4 gxf4+ 31. Rxf4 Rxf4 32. Kxf4 Rf8+ 33. Kg3 h4+ 34. Kxh4 Rf2 35. Kg3 Rxb2 36. Rf3 Rxa2 37. h4 Ra1 38. h5 a4 39. Kf4 a3 40. Rf2 Rc1 41. h6 Rxc3 42. h7 Rh3 43. Rf3 Rxh7 44. Rxa3 Rh4+ 45. Kg5 Rxe4 46. Ra7+ Kd8 47. Kf6 d5 48. Rb7 b4 49. Kf7 Kc8 50. Ra7 b3 51. Ra6 Kb7 52. Ra5 Kb6 53. Ra8 Kc5 0-1

[Event "POL-chT U20 1st League"]
[Site "Chotowa"]
[Date "2025.06.19"]
[Round "6.9"]
[White "Diachek, Andriy"]
[Black "Witczak, Borys"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2177"]
[BlackElo "1967"]
[PlyCount "95"]
[EventDate "2025.06.14"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]
[WhiteTeam "Poznan Lech"]
[BlackTeam "Czestochowa Hetman"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. Ba4 Ngf6 5. 0-0 e6 6. Re1 a6 7. c4 Be7 8. Nc3 0-0 9. d4 cxd4 10. Nxd4 Ne5 11. Qe2 Bd7 12. Bxd7 Qxd7 13. b3 Nc6 14. Be3 Rab8 15. Red1 Qc7 16. f3 Nd7 17. Rac1 Nc5 18. Qf2 Bf6 19. Nxc6 Qxc6 20. Bd4 Bg5 21. f4 Be7 22. Qg3 g6 23. Qe3 Rfe8 24. e5 Rbd8 25. exd6 Bxd6 26. b4 Nd7 27. c5 Bf8 28. Ne4 e5 29. fxe5 Nxe5 30. Qf4 Bg7 31. Nd6 Re7 32. Qh4 Qc7 33. Qg3 Rf8 34. Kh1 Qc6 35. Re1 f6 36. Bxe5 Rxe5 37. Rxe5 fxe5 38. Qb3+ Kh8 39. Nf7+ Rxf7 40. Qxf7 h5 41. Qc4 Kh7 42. h3 Kh6 43. Rd1 Qf6 44. Qe4 Qf2 45. Rd3 Qf1+ 46. Kh2 Kh7 47. Rd6 Bf6 48. Qf3 1-0

[Event "POL-chT U20 1st League"]
[Site "Chotowa"]
[Date "2025.06.18"]
[Round "5.9"]
[White "Diachek, Andriy"]
[Black "Pekala, Dawid"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2177"]
[BlackElo "1934"]
[PlyCount "140"]
[EventDate "2025.06.14"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]
[WhiteTeam "Poznan Lech"]
[BlackTeam "Krakow CC 1893"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 d6 7. Nf3 b6 8. e3 Bb7 9. Bd3 Nbd7 10. b3 e5 11. dxe5 dxe5 12. Be2 e4 13. Ne5 Re8 14. Nxd7 Nxd7 15. Bb2 Ne5 16. 0-0 Qg5 17. Kh1 Re6 18. Rg1 Rae8 19. f4 exf3 20. gxf3 Qh5 21. Raf1 f6 22. Rg2 Ng6 23. e4 Nf4 24. Rgf2 Nh3 25. Rg2 Nf4 26. Rgf2 Rxe4 27. Bd1 Re3 28. Qd4 Nd3 29. Rg2 Nxb2 30. Qxf6 g6 31. Qxb2 Bxf3 32. Bxf3 Rxf3 33. Rgf2 Ref8 34. Rxf3 Rxf3 35. Re1 Rf8 36. Qe2 Qxe2 37. Rxe2 Kf7 38. Kg2 Rd8 39. Rf2+ Ke7 40. Re2+ Kd7 41. Re3 Kc6 42. Kg3 Rd4 43. Kf3 a5 44. Rc3 Kc5 45. Ke2 Rh4 46. h3 a4 47. b4+ Kd4 48. Kd2 Rf4 49. Rd3+ Kxc4 50. Rc3+ Kb5 51. Rxc7 Rf3 52. Rxh7 Rxa3 53. h4 Rb3 54. Kc2 Rxb4 55. h5 gxh5 56. Rxh5+ Ka6 57. Kc3 Rb3+ 58. Kc2 b5 59. Rh4 Ka5 60. Rg4 Rb4 61. Rg3 Rc4+ 62. Kb2 Kb4 63. Rh3 a3+ 64. Ka2 Rc2+ 65. Kb1 Re2 66. Ka1 Ka4 67. Rg3 b4 68. Rg4 Rd2 69. Rg3 Rd1+ 70. Ka2 b3+ 0-1

[Event "POL-chT U20 1st League"]
[Site "Chotowa"]
[Date "2025.06.17"]
[Round "4.3"]
[White "Rozanski, Mateusz"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2167"]
[BlackElo "2177"]
[PlyCount "101"]
[EventDate "2025.06.14"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]
[WhiteTeam "Gorzow Wielkopolski"]
[BlackTeam "Poznan Lech"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 h5 7. h3 h4 8. g4 f5 9. f3 Nge7 10. d4 0-0 11. d5 Nb8 12. e4 f4 13. Rb1 c5 14. Bd2 a6 15. a3 Qc7 16. Nc1 Nd7 17. Bf1 Nb6 18. Qc2 Bd7 19. Bd3 Rfc8 20. N1a2 Rab8 21. 0-0 g5 22. Rfc1 Na8 23. b3 b5 24. Be1 bxc4 25. Bxc4 Bb5 26. Qd3 Qb7 27. Bxb5 axb5 28. a4 b4 29. Nb5 Qb6 30. Bf2 Nc7 31. Nxd6 Qxd6 32. Bxc5 Qd7 33. Bxe7 Qxe7 34. d6 Qd7 35. Rxc7 Rxc7 36. dxc7 Qxc7 37. Rc1 Qb6+ 38. Kf1 Rd8 39. Qe2 Kh8 40. Rd1 Rd4 41. Nc1 Rxd1+ 42. Qxd1 Qe3 43. Nd3 Qd4 44. Nf2 Qe3 45. Kg2 Bf8 46. Qd8 Kg8 47. Qxg5+ Kh7 48. Qxh4+ Kg8 49. Qg5+ Kh7 50. Qf5+ Kg8 51. Qe6+ 1-0

[Event "POL-chT U20 1st League"]
[Site "Chotowa"]
[Date "2025.06.16"]
[Round "3.9"]
[White "Dziuba, Michal"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1827"]
[BlackElo "2177"]
[PlyCount "80"]
[EventDate "2025.06.14"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]
[WhiteTeam "Wieliczka MOS"]
[BlackTeam "Poznan Lech"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 d6 5. d3 Be7 6. Nd2 Nf6 7. Nf1 0-0 8. Ne3 a6 9. a4 Be6 10. Ned5 Nb4 11. 0-0 Nbxd5 12. Bxd5 Nxd5 13. exd5 Bd7 14. f4 f5 15. Qf3 Bf6 16. a5 Qe7 17. Bd2 Rae8 18. Rfe1 Qf7 19. Na4 Bxa4 20. Rxa4 exf4 21. Rxf4 Bg5 22. Rf1 Bxf4 23. Bxf4 Qe7 24. Qg3 Qe2 25. Bxd6 Rf6 26. Bxc5 Qxc2 27. b4 Rg6 28. Qf3 Qe2 29. Qh3 Qe5 30. Rxf5 Qe1+ 31. Rf1 Rf6 32. g3 Rxf1+ 33. Qxf1 Qd2 34. Bf2 Qxb4 35. Qh3 Qb1+ 36. Kg2 Qxd3 37. Qd7 Qe4+ 38. Kg1 Qe7 39. Qa4 Rd8 40. Qb3 Qf7 0-1

[Event "POL-chT U20 1st League"]
[Site "Chotowa"]
[Date "2025.06.15"]
[Round "2.15"]
[White "Diachek, Andriy"]
[Black "Markowski, Adam"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "2177"]
[BlackElo "1882"]
[PlyCount "79"]
[EventDate "2025.06.14"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]
[WhiteTeam "Poznan Lech"]
[BlackTeam "Bialystok Stoczek II"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 0-0 9. 0-0 h6 10. Qd2 d6 11. b3 Bd7 12. Bb2 Qc8 13. c5 d5 14. e4 Bh3 15. Bxh3 Qxh3 16. exd5 Rad8 17. d6 Nf5 18. Ne4 f6 19. f3 Ne7 20. dxe7 Rxd2 21. exf8Q+ Bxf8 22. Nxd2 Bxc5+ 23. Kh1 Kf7 24. Ne4 Be7 25. Rfe1 h5 26. Re3 Qd7 27. Rae1 f5 28. Nc3 Bc5 29. Rd1 Qc8 30. Red3 Bd6 31. Kg2 Qe8 32. Bc1 Kf6 33. Be3 Qc8 34. Bd4+ Kf7 35. Re3 a6 36. Be5 Bb4 37. Red3 Ke6 38. Bf4 Kf6 39. h4 Qe6 40. Bg5+ 1-0

[Event "POL-chT U20 1st League"]
[Site "Chotowa"]
[Date "2025.06.14"]
[Round "1.15"]
[White "Sakharchuk, Aliaksandr"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1844"]
[BlackElo "2177"]
[PlyCount "121"]
[EventDate "2025.06.14"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]
[WhiteTeam "Wroclaw Srodmiescie II"]
[BlackTeam "Poznan Lech"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. Bxc6 dxc6 8. d3 b6 9. Bf4 Ba6 10. d4 Nd7 11. e5 Bc4 12. Nbd2 Be6 13. Ng5 cxd4 14. cxd4 Bd5 15. Qg4 h6 16. Nge4 Re8 17. h4 h5 18. Qg3 Nf8 19. Be3 Qd7 20. Nc3 Red8 21. Rac1 Rac8 22. Nde4 Qf5 23. f3 c5 24. Bg5 cxd4 25. Nd6 Rxd6 26. exd6 dxc3 27. dxe7 Ne6 28. bxc3 Re8 29. c4 Bc6 30. Qd6 Qc5+ 31. Qxc5 bxc5 32. Be3 Bf6 33. Bf2 Bxe7 34. Rcd1 Bf8 35. Bg3 Rc8 36. Bd6 Bg7 37. Be5 Bf8 38. Re3 Be7 39. g3 Kf8 40. Kf2 Bd8 41. Bd6+ Kg7 42. Be5+ Kf8 43. Bd6+ Be7 44. Ra3 Bxd6 45. Rxd6 Rc7 46. Ra6 Nd4 47. Rd8+ Ke7 48. Rh8 Bxf3 49. Rh7 Bg4 50. Ke3 Be6 51. Kf4 Bxc4 52. Ra3 Be6 53. Ke5 Nc6+ 54. Ke4 c4 55. Rc3 Nb4 56. Ke5 Nxa2 57. Ra3 Nb4 58. Rc3 Nd5 59. Ra3 c3 60. Ra6 Nb6 61. Kd4 0-1

[Event "Zalakaros op 44th"]
[Site "Zalakaros"]
[Date "2025.06.01"]
[Round "9"]
[White "Diachek, Andriy"]
[Black "Biro, Sandor"]
[Result "1-0"]
[ECO "C75"]
[WhiteElo "2226"]
[BlackElo "2073"]
[PlyCount "70"]
[EventDate "2025.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Bd7 6. c3 Nge7 7. d4 Ng6 8. Re1 Be7 9. Be3 0-0 10. Nbd2 Qe8 11. Bc2 Nd8 12. Nf1 f6 13. Ng3 Nf7 14. Nf5 Bd8 15. h3 Kh8 16. Qd2 Ne7 17. Ng3 Ng8 18. Rad1 g6 19. Kh1 Be7 20. Bb3 Rd8 21. c4 b6 22. Qc2 c5 23. dxc5 dxc5 24. Ne2 f5 25. exf5 Bxf5 26. Qc1 Qc6 27. Nc3 Bxh3 28. Nd5 Bg4 29. Bc2 Bxf3 30. gxf3 Qe6 31. Kg2 Nd6 32. Bf4 Nxc4 33. Bb3 Qf5 34. Nxe7 Nxe7 35. Qxc4 b5 1-0

[Event "Zalakaros op 44th"]
[Site "Zalakaros"]
[Date "2025.06.01"]
[Round "9"]
[White "Diachek, Andriy"]
[Black "Biro, Sandor"]
[Result "1-0"]
[ECO "C75"]
[WhiteElo "2226"]
[BlackElo "2073"]
[PlyCount "70"]
[EventDate "2025.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Bd7 6. c3 Nge7 7. d4 Ng6 8. Re1 Be7 9. Be3 0-0 10. Nbd2 Qe8 11. Bc2 Nd8 12. Nf1 f6 13. Ng3 Nf7 14. Nf5 Bd8 15. h3 Kh8 16. Qd2 Ne7 17. Ng3 Ng8 18. Rad1 g6 19. Kh1 Be7 20. Bb3 Rd8 21. c4 b6 22. Qc2 c5 23. dxc5 dxc5 24. Ne2 f5 25. exf5 Bxf5 26. Qc1 Qc6 27. Nc3 Bxh3 28. Nd5 Bg4 29. Bc2 Bxf3 30. gxf3 Qe6 31. Kg2 Nd6 32. Bf4 Nxc4 33. Bb3 Qf5 34. Nxe7 Nxe7 35. Qxc4 b5 1-0

[Event "Zalakaros op 44th"]
[Site "Zalakaros"]
[Date "2025.05.31"]
[Round "8"]
[White "Ostovic, Matija"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2394"]
[BlackElo "2226"]
[PlyCount "101"]
[EventDate "2025.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 a6 4. e3 Nf6 5. b3 c5 6. cxd5 Nxd5 7. Be2 Nc6 8. 0-0 cxd4 9. Nxd4 Nxd4 10. Qxd4 Be7 11. Bb2 Bf6 12. Qd2 0-0 13. Bf3 Bxb2 14. Qxb2 Qf6 15. Qxf6 Nxf6 16. Nc3 Rb8 17. Rfd1 Bd7 18. Ne4 Nxe4 19. Rxd7 Nc5 20. Rc7 b6 21. b4 Nd3 22. a3 a5 23. Be2 Ne5 24. bxa5 bxa5 25. Rc5 f6 26. f4 Rb2 27. Kf1 Nd7 28. Rxa5 Rc8 29. Rb5 Rd2 30. Rd1 Rxd1+ 31. Bxd1 Rc3 32. Rb7 Nc5 33. Rc7 Kf8 34. Ke2 h6 35. h4 e5 36. fxe5 fxe5 37. h5 Kg8 38. Kf3 e4+ 39. Kg4 Rd3 40. Be2 Rc3 41. Bb5 Kf8 42. g3 Na4 43. Rxc3 Nxc3 44. Bc6 Ke7 45. Kf5 Kd6 46. Bxe4 Nd1 47. Kf4 Nc3 48. Bc2 Nd5+ 49. Kf3 Ke5 50. a4 Nf6 51. a5 1-0

[Event "Zalakaros op 44th"]
[Site "Zalakaros"]
[Date "2025.05.31"]
[Round "8"]
[White "Ostovic, Matija"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2394"]
[BlackElo "2226"]
[PlyCount "101"]
[EventDate "2025.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 a6 4. e3 Nf6 5. b3 c5 6. cxd5 Nxd5 7. Be2 Nc6 8. 0-0 cxd4 9. Nxd4 Nxd4 10. Qxd4 Be7 11. Bb2 Bf6 12. Qd2 0-0 13. Bf3 Bxb2 14. Qxb2 Qf6 15. Qxf6 Nxf6 16. Nc3 Rb8 17. Rfd1 Bd7 18. Ne4 Nxe4 19. Rxd7 Nc5 20. Rc7 b6 21. b4 Nd3 22. a3 a5 23. Be2 Ne5 24. bxa5 bxa5 25. Rc5 f6 26. f4 Rb2 27. Kf1 Nd7 28. Rxa5 Rc8 29. Rb5 Rd2 30. Rd1 Rxd1+ 31. Bxd1 Rc3 32. Rb7 Nc5 33. Rc7 Kf8 34. Ke2 h6 35. h4 e5 36. fxe5 fxe5 37. h5 Kg8 38. Kf3 e4+ 39. Kg4 Rd3 40. Be2 Rc3 41. Bb5 Kf8 42. g3 Na4 43. Rxc3 Nxc3 44. Bc6 Ke7 45. Kf5 Kd6 46. Bxe4 Nd1 47. Kf4 Nc3 48. Bc2 Nd5+ 49. Kf3 Ke5 50. a4 Nf6 51. a5 1-0

[Event "Zalakaros op 44th"]
[Site "Zalakaros"]
[Date "2025.05.30"]
[Round "7"]
[White "Varadi, Viktor"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2365"]
[BlackElo "2226"]
[PlyCount "32"]
[EventDate "2025.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be6 7. N1c3 a6 8. Na3 g6 9. Nc2 Bg7 10. Be2 Nf6 11. 0-0 0-0 12. Be3 Rc8 13. Rc1 Ne7 14. Na3 Nc6 15. Nc2 Ne7 16. Na3 Nc6 1/2-1/2

[Event "Zalakaros op 44th"]
[Site "Zalakaros"]
[Date "2025.05.30"]
[Round "7"]
[White "Varadi, Viktor"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2365"]
[BlackElo "2226"]
[PlyCount "53"]
[EventDate "2025.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be6 7. N1c3 a6 8. Na3 g6 9. Nc2 Bg7 10. Be2 Nf6 11. 0-0 0-0 12. Be3 Rc8 13. Rc1 Ne7 14. Na3 Nc6 15. Nc2 Ne7 16. Na3 Nc6 17. b3 Nd4 18. Nab1 Nd7 19. f3 f5 20. Nd2 Qa5 21. Nd5 Bxd5 22. exd5 b5 23. Rf2 Nc5 24. Bf1 b4 25. Nb1 Qb6 26. Nd2 Rce8 27. Kh1 1/2-1/2

[Event "Zalakaros op 44th"]
[Site "Zalakaros"]
[Date "2025.05.29"]
[Round "6"]
[White "Diachek, Andriy"]
[Black "Aczel, Gergely"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2226"]
[BlackElo "2460"]
[PlyCount "69"]
[EventDate "2025.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. d3 Bg4 4. h3 Bh5 5. Qe2 e6 6. g4 Bg6 7. h4 h5 8. Ne5 Bh7 9. g5 Bd6 10. g6 fxg6 11. exd5 cxd5 12. Bh3 Nc6 13. Nxc6 bxc6 14. Bxe6 Ne7 15. Nd2 Bg8 16. Bxg8 Rxg8 17. Nf3 Qd7 18. Bg5 0-0-0 19. Ne5 Bxe5 20. Qxe5 Rde8 21. 0-0-0 Nf5 22. Qc3 Re2 23. Rde1 Rge8 24. Kb1 d4 25. Qa5 Qd5 26. Qa6+ Kb8 27. Bf4+ Ka8 28. Rxe2 Qxh1+ 29. Bc1 Rb8 30. Re4 Rd8 31. Qxc6+ Kb8 32. b3 Nd6 33. Kb2 Nxe4 34. Bf4+ Nd6 35. Qxh1 1-0

[Event "Zalakaros op 44th"]
[Site "Zalakaros"]
[Date "2025.05.29"]
[Round "6"]
[White "Diachek, Andriy"]
[Black "Aczel, Gergely"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2226"]
[BlackElo "2460"]
[PlyCount "69"]
[EventDate "2025.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. d3 Bg4 4. h3 Bh5 5. Qe2 e6 6. g4 Bg6 7. h4 h5 8. Ne5 Bh7 9. g5 Bd6 10. g6 fxg6 11. exd5 cxd5 12. Bh3 Nc6 13. Nxc6 bxc6 14. Bxe6 Ne7 15. Nd2 Bg8 16. Bxg8 Rxg8 17. Nf3 Qd7 18. Bg5 0-0-0 19. Ne5 Bxe5 20. Qxe5 Rde8 21. 0-0-0 Nf5 22. Qc3 Re2 23. Rde1 Rge8 24. Kb1 d4 25. Qa5 Qd5 26. Qa6+ Kb8 27. Bf4+ Ka8 28. Rxe2 Qxh1+ 29. Bc1 Rb8 30. Re4 Rd8 31. Qxc6+ Kb8 32. b3 Nd6 33. Kb2 Nxe4 34. Bf4+ Nd6 35. Qxh1 1-0

[Event "Zalakaros op 44th"]
[Site "Zalakaros"]
[Date "2025.05.28"]
[Round "5"]
[White "Diachek, Andriy"]
[Black "Egresi, Mate"]
[Result "1/2-1/2"]
[ECO "B46"]
[WhiteElo "2226"]
[BlackElo "2354"]
[PlyCount "79"]
[EventDate "2025.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Nf6 7. f4 Bb4 8. Nxc6 bxc6 9. e5 Nd5 10. Bd2 d6 11. Ne4 Bxd2+ 12. Qxd2 dxe5 13. c4 Nxf4 14. Nd6+ Ke7 15. 0-0-0 Qb6 16. g3 Nd5 17. cxd5 cxd5 18. Nc4 dxc4 19. Bg2 Ra7 20. Qg5+ Ke8 21. Bc6+ Bd7 22. Qxg7 Rf8 23. Bxd7+ Rxd7 24. Qxe5 c3 25. b3 Qb4 26. Kc2 Rd2+ 27. Rxd2 cxd2 28. Rd1 Ke7 29. Qc7+ Kf6 30. Rxd2 Qe4+ 31. Kb2 Qe5+ 32. Qc3 Qxc3+ 33. Kxc3 Ke5 34. Rd7 Ke4 35. b4 e5 36. a4 Kf3 37. Rd3+ Kf2 38. Rd2+ Kf3 39. Rd3+ Kf2 40. Rd2+ 1/2-1/2

[Event "Zalakaros op 44th"]
[Site "Zalakaros"]
[Date "2025.05.28"]
[Round "5"]
[White "Diachek, Andriy"]
[Black "Egresi, Mate"]
[Result "1/2-1/2"]
[ECO "B46"]
[WhiteElo "2226"]
[BlackElo "2354"]
[PlyCount "79"]
[EventDate "2025.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Nf6 7. f4 Bb4 8. Nxc6 bxc6 9. e5 Nd5 10. Bd2 d6 11. Ne4 Bxd2+ 12. Qxd2 dxe5 13. c4 Nxf4 14. Nd6+ Ke7 15. 0-0-0 Qb6 16. g3 Nd5 17. cxd5 cxd5 18. Nc4 dxc4 19. Bg2 Ra7 20. Qg5+ Ke8 21. Bc6+ Bd7 22. Qxg7 Rf8 23. Bxd7+ Rxd7 24. Qxe5 c3 25. b3 Qb4 26. Kc2 Rd2+ 27. Rxd2 cxd2 28. Rd1 Ke7 29. Qc7+ Kf6 30. Rxd2 Qe4+ 31. Kb2 Qe5+ 32. Qc3 Qxc3+ 33. Kxc3 Ke5 34. Rd7 Ke4 35. b4 e5 36. a4 Kf3 37. Rd3+ Kf2 38. Rd2+ Kf3 39. Rd3+ Kf2 40. Rd2+ 1/2-1/2

[Event "Zalakaros op 44th"]
[Site "Zalakaros"]
[Date "2025.05.27"]
[Round "4"]
[White "Haselbach, David"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2094"]
[BlackElo "2226"]
[PlyCount "72"]
[EventDate "2025.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 d6 6. Nge2 h5 7. h3 h4 8. g4 f5 9. gxf5 gxf5 10. d3 f4 11. Nd5 Nce7 12. d4 c6 13. Nxe7 Qxe7 14. d5 c5 15. b4 b6 16. bxc5 bxc5 17. Rb1 Nf6 18. Nc3 Kf7 19. Bf3 Bd7 20. Bd2 Rhb8 21. Qc1 Qe8 22. Qa3 Rxb1+ 23. Nxb1 Qb8 24. Nc3 a5 25. Nd1 Qb1 26. Ke2 Rb8 27. Qxa5 Qb7 28. Qc3 Qa6 29. a3 Ba4 30. Nb2 Rb3 31. Qc1 Rxa3 32. Nxa4 Qxa4 33. Bg2 Qb3 34. f3 Qd3+ 35. Kf2 Ra2 36. Rd1 Rc2 0-1

[Event "Zalakaros op 44th"]
[Site "Zalakaros"]
[Date "2025.05.27"]
[Round "4"]
[White "Haselbach, David"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2094"]
[BlackElo "2226"]
[PlyCount "72"]
[EventDate "2025.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 d6 6. Nge2 h5 7. h3 h4 8. g4 f5 9. gxf5 gxf5 10. d3 f4 11. Nd5 Nce7 12. d4 c6 13. Nxe7 Qxe7 14. d5 c5 15. b4 b6 16. bxc5 bxc5 17. Rb1 Nf6 18. Nc3 Kf7 19. Bf3 Bd7 20. Bd2 Rhb8 21. Qc1 Qe8 22. Qa3 Rxb1+ 23. Nxb1 Qb8 24. Nc3 a5 25. Nd1 Qb1 26. Ke2 Rb8 27. Qxa5 Qb7 28. Qc3 Qa6 29. a3 Ba4 30. Nb2 Rb3 31. Qc1 Rxa3 32. Nxa4 Qxa4 33. Bg2 Qb3 34. f3 Qd3+ 35. Kf2 Ra2 36. Rd1 Rc2 0-1

[Event "Zalakaros op 44th"]
[Site "Zalakaros"]
[Date "2025.05.26"]
[Round "3"]
[White "Vegh, Endre"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "2140"]
[BlackElo "2226"]
[PlyCount "84"]
[EventDate "2025.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd3 e6 5. Nc3 Qc7 6. Nb5 Qb8 7. Qg3 d6 8. Bf4 e5 9. Bd2 Nf6 10. Bd3 a6 11. Nc3 Be6 12. Nge2 g6 13. 0-0 Nh5 14. Qf3 Bg7 15. Bg5 0-0 16. g4 Nf4 17. Nxf4 exf4 18. Bxf4 Qc8 19. Bxd6 Bxg4 20. Qg3 Bxc3 21. bxc3 Rd8 22. Ba3 Be6 23. f4 f5 24. exf5 Bxf5 25. Rae1 Qd7 26. Re3 Re8 27. Rfe1 Rxe3 28. Rxe3 Rd8 29. Qg5 Qf7 30. c4 Bxd3 31. cxd3 Rd4 32. f5 Qxf5 33. Re8+ Kg7 34. Qxf5 gxf5 35. Bb2 Kf7 36. Re3 Rg4+ 37. Kf2 b5 38. cxb5 axb5 39. Rh3 Kg6 40. Re3 Kf7 41. Rh3 Kg6 42. Re3 Kf7 1/2-1/2

[Event "Zalakaros op 44th"]
[Site "Zalakaros"]
[Date "2025.05.26"]
[Round "3"]
[White "Vegh, Endre"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "2140"]
[BlackElo "2226"]
[PlyCount "84"]
[EventDate "2025.05.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd3 e6 5. Nc3 Qc7 6. Nb5 Qb8 7. Qg3 d6 8. Bf4 e5 9. Bd2 Nf6 10. Bd3 a6 11. Nc3 Be6 12. Nge2 g6 13. 0-0 Nh5 14. Qf3 Bg7 15. Bg5 0-0 16. g4 Nf4 17. Nxf4 exf4 18. Bxf4 Qc8 19. Bxd6 Bxg4 20. Qg3 Bxc3 21. bxc3 Rd8 22. Ba3 Be6 23. f4 f5 24. exf5 Bxf5 25. Rae1 Qd7 26. Re3 Re8 27. Rfe1 Rxe3 28. Rxe3 Rd8 29. Qg5 Qf7 30. c4 Bxd3 31. cxd3 Rd4 32. f5 Qxf5 33. Re8+ Kg7 34. Qxf5 gxf5 35. Bb2 Kf7 36. Re3 Rg4+ 37. Kf2 b5 38. cxb5 axb5 39. Rh3 Kg6 40. Re3 Kf7 41. Rh3 Kg6 42. Re3 Kf7 1/2-1/2

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "2"]
[White "Berezin, Viktor"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1921"]
[BlackElo "2226"]
[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 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 Qa5+ 6. c3 Qa6 7. Qxa6 Nxa6 8. Nf3 e6 9. 0-0 c5 10. Be3 Ne7 11. Nbd2 Nc6 12. a3 c4 13. Rfb1 Nc7 14. b4 cxb3 15. Rxb3 Na5 16. Rb2 b6 17. Rc2 Be7 18. c4 Nxc4 19. Nxc4 dxc4 20. Rxc4 Kd7 21. a4 Nd5 22. Nd2 Rhc8 23. Rac1 Rxc4 24. Rxc4 a6 25. Kf1 b5 26. axb5 axb5 27. Rc2 Ra3 28. Ke2 Nxe3 29. fxe3 Bg5 30. e4 Bxd2 31. Kxd2 Rb3 32. d5 exd5 33. exd5 f6 34. exf6 gxf6 35. Rc6 Rb2+ 36. Kc3 Rxg2 37. Rxf6 Rxh2 38. Kb4 Rb2+ 39. Kc5 h5 40. Rf7+ Ke8 41. Rh7 Rh2 42. Kxb5 h4 43. Kc6 Rc2+ 44. Kd6 Rc4 45. Rh8+ Kf7 46. Kd7 Ra4 47. d6 Ra7+ 48. Kc6 Ra6+ 49. Kc7 Ra7+ 50. Kb6 Rd7 51. Kc6 Ra7 52. Rh7+ 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "2"]
[White "Berezin, Viktor"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1921"]
[BlackElo "2226"]
[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 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 Qa5+ 6. c3 Qa6 7. Qxa6 Nxa6 8. Nf3 e6 9. 0-0 c5 10. Be3 Ne7 11. Nbd2 Nc6 12. a3 c4 13. Rfb1 Nc7 14. b4 cxb3 15. Rxb3 Na5 16. Rb2 b6 17. Rc2 Be7 18. c4 Nxc4 19. Nxc4 dxc4 20. Rxc4 Kd7 21. a4 Nd5 22. Nd2 Rhc8 23. Rac1 Rxc4 24. Rxc4 a6 25. Kf1 b5 26. axb5 axb5 27. Rc2 Ra3 28. Ke2 Nxe3 29. fxe3 Bg5 30. e4 Bxd2 31. Kxd2 Rb3 32. d5 exd5 33. exd5 f6 34. exf6 gxf6 35. Rc6 Rb2+ 36. Kc3 Rxg2 37. Rxf6 Rxh2 38. Kb4 Rb2+ 39. Kc5 h5 40. Rf7+ Ke8 41. Rh7 Rh2 42. Kxb5 h4 43. Kc6 Rc2+ 44. Kd6 Rc4 45. Rh8+ Kf7 46. Kd7 Ra4 47. d6 Ra7+ 48. Kc6 Ra6+ 49. Kc7 Ra7+ 50. Kb6 Rd7 51. Kc6 Ra7 52. Rh7+ 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "1"]
[White "Diachek, Andriy"]
[Black "Aradhya, Garg"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2226"]
[BlackElo "2383"]
[PlyCount "68"]
[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 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Bd6 5. 0-0 0-0 6. b3 c5 7. Bb2 d4 8. b4 Nc6 9. bxc5 Bxc5 10. d3 e5 11. Nbd2 h6 12. Nb3 Bd6 13. Qc1 Bf5 14. Ba3 Rc8 15. Bxd6 Qxd6 16. a4 Rfd8 17. Qa3 Qxa3 18. Rxa3 e4 19. dxe4 Nxe4 20. a5 Rc7 21. c5 Be6 22. a6 Bxb3 23. Rxb3 Nxc5 24. Ra3 Nxa6 25. Rc1 Rdd7 26. Ne1 Nab4 27. Nd3 Nxd3 28. Rxd3 g6 29. Ra3 Kg7 30. Ra4 b5 31. Ra6 Nb4 32. Rxc7 Rxc7 33. Rd6 Rc4 34. Rd7 a5 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "1"]
[White "Diachek, Andriy"]
[Black "Aradhya, Garg"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2226"]
[BlackElo "2383"]
[PlyCount "68"]
[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 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Bd6 5. 0-0 0-0 6. b3 c5 7. Bb2 d4 8. b4 Nc6 9. bxc5 Bxc5 10. d3 e5 11. Nbd2 h6 12. Nb3 Bd6 13. Qc1 Bf5 14. Ba3 Rc8 15. Bxd6 Qxd6 16. a4 Rfd8 17. Qa3 Qxa3 18. Rxa3 e4 19. dxe4 Nxe4 20. a5 Rc7 21. c5 Be6 22. a6 Bxb3 23. Rxb3 Nxc5 24. Ra3 Nxa6 25. Rc1 Rdd7 26. Ne1 Nab4 27. Nd3 Nxd3 28. Rxd3 g6 29. Ra3 Kg7 30. Ra4 b5 31. Ra6 Nb4 32. Rxc7 Rxc7 33. Rd6 Rc4 34. Rd7 a5 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "5"]
[White "Diachek, Andriy"]
[Black "Bezerra, Flavio Rodrigo Cost"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2226"]
[BlackElo "2096"]
[PlyCount "95"]
[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 c6 2. g3 d5 3. Bg2 e5 4. d4 dxc4 5. dxe5 Qxd1+ 6. Kxd1 Be6 7. Nc3 Nd7 8. Nf3 0-0-0 9. Ke1 Bc5 10. Ne4 Bb4+ 11. Bd2 Bxd2+ 12. Nexd2 f6 13. Nd4 Bd5 14. e4 fxe5 15. exd5 exd4 16. dxc6 bxc6 17. Nxc4 Kc7 18. Kd2 Ngf6 19. h3 Rhe8 20. Rac1 Re6 21. Rhe1 Rde8 22. Rxe6 Rxe6 23. b4 Ne4+ 24. Bxe4 Rxe4 25. Na5 Ne5 26. Nc4 Nf3+ 27. Kd3 Re6 28. Nd2 Nxd2 29. Kxd2 Kd6 30. Kd3 a5 31. a3 axb4 32. axb4 Rh6 33. h4 Rf6 34. Rc2 Rf3+ 35. Kxd4 Rb3 36. Kc4 Rf3 37. Rd2+ Kc7 38. Rc2 Kd6 39. Rd2+ Kc7 40. Kd4 Kb6 41. Ke4 Rb3 42. Rd4 Rb2 43. f4 Rg2 44. Kf3 Rb2 45. g4 Rb3+ 46. Ke4 Rg3 47. g5 Rh3 48. Rd7 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "5"]
[White "Diachek, Andriy"]
[Black "Bezerra, Flavio Rodrigo Cost"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2226"]
[BlackElo "2096"]
[PlyCount "95"]
[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 c6 2. g3 d5 3. Bg2 e5 4. d4 dxc4 5. dxe5 Qxd1+ 6. Kxd1 Be6 7. Nc3 Nd7 8. Nf3 0-0-0 9. Ke1 Bc5 10. Ne4 Bb4+ 11. Bd2 Bxd2+ 12. Nexd2 f6 13. Nd4 Bd5 14. e4 fxe5 15. exd5 exd4 16. dxc6 bxc6 17. Nxc4 Kc7 18. Kd2 Ngf6 19. h3 Rhe8 20. Rac1 Re6 21. Rhe1 Rde8 22. Rxe6 Rxe6 23. b4 Ne4+ 24. Bxe4 Rxe4 25. Na5 Ne5 26. Nc4 Nf3+ 27. Kd3 Re6 28. Nd2 Nxd2 29. Kxd2 Kd6 30. Kd3 a5 31. a3 axb4 32. axb4 Rh6 33. h4 Rf6 34. Rc2 Rf3+ 35. Kxd4 Rb3 36. Kc4 Rf3 37. Rd2+ Kc7 38. Rc2 Kd6 39. Rd2+ Kc7 40. Kd4 Kb6 41. Ke4 Rb3 42. Rd4 Rb2 43. f4 Rg2 44. Kf3 Rb2 45. g4 Rb3+ 46. Ke4 Rg3 47. g5 Rh3 48. Rd7 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "9"]
[White "Diachek, Andriy"]
[Black "Kjaergaard Jensen, Jesper"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2226"]
[BlackElo "2081"]
[PlyCount "131"]
[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. g3 d6 3. Bg2 c6 4. Nc3 e5 5. e3 Be7 6. Nge2 Be6 7. b3 Qc8 8. h3 Na6 9. d4 Rb8 10. Ba3 c5 11. Nb5 Ra8 12. dxe5 dxe5 13. Nd6+ Bxd6 14. Qxd6 Nd7 15. Nc3 Rb8 16. Nb5 Qd8 17. Nxa7 Qa5+ 18. Kf1 Qxa3 19. Bd5 Nc7 20. Qxc7 Qxa7 21. Bxe6 fxe6 22. Rd1 Rd8 23. Rd6 Qb8 24. Rxe6+ Kf7 25. Qxb8 Rxb8 26. Rd6 Ke7 27. Rd5 Ra8 28. a4 Ke6 29. Ke2 Rad8 30. Rhd1 Ke7 31. Kf3 Rhf8+ 32. Ke2 Rf7 33. Rd6 Rf6 34. R6d5 Re6 35. a5 Ke8 36. e4 Ke7 37. Ke3 Rf6 38. f4 exf4+ 39. gxf4 Rh6 40. Rh1 Nf6 41. Rxc5 Ng4+ 42. Kf3 Nf6 43. Rc7+ Rd7 44. Rc5 Kd6 45. Rb5 Kc6 46. e5 Rd3+ 47. Ke2 Rdxh3 48. Rxh3 Rxh3 49. exf6 gxf6 50. Rb6+ Kc7 51. b4 f5 52. Rf6 Rb3 53. Rf7+ Kc6 54. b5+ Kd6 55. Rxb7 Rc3 56. a6 Rxc4 57. a7 Ra4 58. b6 Kc6 59. Rb8 Ra2+ 60. Kd3 Ra3+ 61. Kd4 Ra4+ 62. Ke5 Ra5+ 63. Kf6 Ra6 64. a8Q+ Kb5 65. Qxa6+ Kxa6 66. Kxf5 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "9"]
[White "Diachek, Andriy"]
[Black "Kjaergaard Jensen, Jesper"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2226"]
[BlackElo "2081"]
[PlyCount "131"]
[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. g3 d6 3. Bg2 c6 4. Nc3 e5 5. e3 Be7 6. Nge2 Be6 7. b3 Qc8 8. h3 Na6 9. d4 Rb8 10. Ba3 c5 11. Nb5 Ra8 12. dxe5 dxe5 13. Nd6+ Bxd6 14. Qxd6 Nd7 15. Nc3 Rb8 16. Nb5 Qd8 17. Nxa7 Qa5+ 18. Kf1 Qxa3 19. Bd5 Nc7 20. Qxc7 Qxa7 21. Bxe6 fxe6 22. Rd1 Rd8 23. Rd6 Qb8 24. Rxe6+ Kf7 25. Qxb8 Rxb8 26. Rd6 Ke7 27. Rd5 Ra8 28. a4 Ke6 29. Ke2 Rad8 30. Rhd1 Ke7 31. Kf3 Rhf8+ 32. Ke2 Rf7 33. Rd6 Rf6 34. R6d5 Re6 35. a5 Ke8 36. e4 Ke7 37. Ke3 Rf6 38. f4 exf4+ 39. gxf4 Rh6 40. Rh1 Nf6 41. Rxc5 Ng4+ 42. Kf3 Nf6 43. Rc7+ Rd7 44. Rc5 Kd6 45. Rb5 Kc6 46. e5 Rd3+ 47. Ke2 Rdxh3 48. Rxh3 Rxh3 49. exf6 gxf6 50. Rb6+ Kc7 51. b4 f5 52. Rf6 Rb3 53. Rf7+ Kc6 54. b5+ Kd6 55. Rxb7 Rc3 56. a6 Rxc4 57. a7 Ra4 58. b6 Kc6 59. Rb8 Ra2+ 60. Kd3 Ra3+ 61. Kd4 Ra4+ 62. Ke5 Ra5+ 63. Kf6 Ra6 64. a8Q+ Kb5 65. Qxa6+ Kxa6 66. Kxf5 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "8"]
[White "Diachek, Andriy"]
[Black "Levitan, Judah Nathan"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2226"]
[BlackElo "2127"]
[PlyCount "98"]
[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 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 e6 6. Nge2 Nge7 7. 0-0 0-0 8. b3 d5 9. cxd5 exd5 10. Bb2 Be6 11. Na4 Bxb2 12. Nxb2 Nf5 13. Rc1 Qe7 14. Na4 b6 15. d4 Nb4 16. a3 Na6 17. dxc5 Nxc5 18. b4 Nxa4 19. Qxa4 Rac8 20. Rfd1 Rxc1 21. Rxc1 Rd8 22. Qd1 a5 23. Nd4 Nxd4 24. Qxd4 axb4 25. axb4 Qb7 26. b5 Qa7 27. Ra1 Qc7 28. h4 Qc5 29. Qf6 Rc8 30. h5 Qc3 31. Qxc3 Rxc3 32. h6 Kf8 33. Ra8+ Ke7 34. Rb8 Rc5 35. Rxb6 Kf6 36. Rb8 Rc1+ 37. Kh2 Kg5 38. b6 Rb1 39. f4+ Kxh6 40. Bf3 Kg7 41. g4 h5 42. g5 Bf5 43. Kg3 Be6 44. e4 dxe4 45. Bxe4 Rb2 46. b7 Bf5 47. Bxf5 gxf5 48. Kh4 Rb3 49. Rc8 Rxb7 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "8"]
[White "Diachek, Andriy"]
[Black "Levitan, Judah Nathan"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2226"]
[BlackElo "2127"]
[PlyCount "98"]
[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 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 e6 6. Nge2 Nge7 7. 0-0 0-0 8. b3 d5 9. cxd5 exd5 10. Bb2 Be6 11. Na4 Bxb2 12. Nxb2 Nf5 13. Rc1 Qe7 14. Na4 b6 15. d4 Nb4 16. a3 Na6 17. dxc5 Nxc5 18. b4 Nxa4 19. Qxa4 Rac8 20. Rfd1 Rxc1 21. Rxc1 Rd8 22. Qd1 a5 23. Nd4 Nxd4 24. Qxd4 axb4 25. axb4 Qb7 26. b5 Qa7 27. Ra1 Qc7 28. h4 Qc5 29. Qf6 Rc8 30. h5 Qc3 31. Qxc3 Rxc3 32. h6 Kf8 33. Ra8+ Ke7 34. Rb8 Rc5 35. Rxb6 Kf6 36. Rb8 Rc1+ 37. Kh2 Kg5 38. b6 Rb1 39. f4+ Kxh6 40. Bf3 Kg7 41. g4 h5 42. g5 Bf5 43. Kg3 Be6 44. e4 dxe4 45. Bxe4 Rb2 46. b7 Bf5 47. Bxf5 gxf5 48. Kh4 Rb3 49. Rc8 Rxb7 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "3"]
[White "Diachek, Andriy"]
[Black "Swara, Lakshmi S Nair"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2226"]
[BlackElo "2178"]
[PlyCount "81"]
[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 g6 2. g3 c6 3. Bg2 d5 4. Nf3 Nf6 5. 0-0 Bg7 6. b3 0-0 7. Bb2 Bf5 8. d3 Nbd7 9. Nbd2 Re8 10. Qc2 e5 11. e4 dxe4 12. dxe4 Bg4 13. h3 Bxf3 14. Nxf3 Qc7 15. Rfd1 Rad8 16. c5 b6 17. cxb6 axb6 18. Nd2 Nc5 19. Nc4 Rxd1+ 20. Rxd1 Nfd7 21. b4 Ne6 22. Nd6 Rd8 23. Qb3 Nd4 24. Qxf7+ Kh8 25. Ne8 Ne2+ 26. Kh1 Rxe8 27. Qxe8+ Nf8 28. Rd2 Nd4 29. Bxd4 exd4 30. e5 c5 31. bxc5 Qxc5 32. Rd1 Bxe5 33. Qf7 Qc8 34. Bd5 Nd7 35. Be6 Qa8+ 36. Kg1 Nc5 37. Bd5 Qd8 38. Re1 Bg7 39. Re8+ Qxe8 40. Qxe8+ Bf8 41. Qe5+ 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "3"]
[White "Diachek, Andriy"]
[Black "Swara, Lakshmi S Nair"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2226"]
[BlackElo "2178"]
[PlyCount "81"]
[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 g6 2. g3 c6 3. Bg2 d5 4. Nf3 Nf6 5. 0-0 Bg7 6. b3 0-0 7. Bb2 Bf5 8. d3 Nbd7 9. Nbd2 Re8 10. Qc2 e5 11. e4 dxe4 12. dxe4 Bg4 13. h3 Bxf3 14. Nxf3 Qc7 15. Rfd1 Rad8 16. c5 b6 17. cxb6 axb6 18. Nd2 Nc5 19. Nc4 Rxd1+ 20. Rxd1 Nfd7 21. b4 Ne6 22. Nd6 Rd8 23. Qb3 Nd4 24. Qxf7+ Kh8 25. Ne8 Ne2+ 26. Kh1 Rxe8 27. Qxe8+ Nf8 28. Rd2 Nd4 29. Bxd4 exd4 30. e5 c5 31. bxc5 Qxc5 32. Rd1 Bxe5 33. Qf7 Qc8 34. Bd5 Nd7 35. Be6 Qa8+ 36. Kg1 Nc5 37. Bd5 Qd8 38. Re1 Bg7 39. Re8+ Qxe8 40. Qxe8+ Bf8 41. Qe5+ 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "4"]
[White "Kacharava, Nikoloz"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2516"]
[BlackElo "2226"]
[PlyCount "61"]
[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 c6 2. d4 d5 3. e5 Bf5 4. g4 Be4 5. f3 Bg6 6. h4 h5 7. e6 hxg4 8. fxg4 fxe6 9. Bd3 Bxd3 10. Qxd3 Nf6 11. Qg6+ Kd7 12. Nf3 Qe8 13. Ne5+ Kc8 14. g5 Qxg6 15. Nxg6 Rg8 16. gxf6 exf6 17. h5 Nd7 18. Rg1 Kd8 19. Bf4 Ke8 20. Nd2 Kf7 21. Nf3 c5 22. Nxf8 Rgxf8 23. 0-0-0 cxd4 24. Bd6 Rh8 25. Rdf1 Kg8 26. Nxd4 Re8 27. Nb5 Rxh5 28. Nc7 Rc8 29. Nxe6 Kf7 30. Nxg7 Rg5 31. Rxg5 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "4"]
[White "Kacharava, Nikoloz"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2516"]
[BlackElo "2226"]
[PlyCount "61"]
[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 c6 2. d4 d5 3. e5 Bf5 4. g4 Be4 5. f3 Bg6 6. h4 h5 7. e6 hxg4 8. fxg4 fxe6 9. Bd3 Bxd3 10. Qxd3 Nf6 11. Qg6+ Kd7 12. Nf3 Qe8 13. Ne5+ Kc8 14. g5 Qxg6 15. Nxg6 Rg8 16. gxf6 exf6 17. h5 Nd7 18. Rg1 Kd8 19. Bf4 Ke8 20. Nd2 Kf7 21. Nf3 c5 22. Nxf8 Rgxf8 23. 0-0-0 cxd4 24. Bd6 Rh8 25. Rdf1 Kg8 26. Nxd4 Re8 27. Nb5 Rxh5 28. Nc7 Rc8 29. Nxe6 Kf7 30. Nxg7 Rg5 31. Rxg5 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "7"]
[White "Kozlov, Oleg"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2253"]
[BlackElo "2226"]
[PlyCount "65"]
[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. a3 g6 2. d4 Bg7 3. e4 d5 4. e5 c5 5. dxc5 Bxe5 6. Nf3 Bg7 7. c3 Nc6 8. Bb5 Nf6 9. 0-0 0-0 10. Re1 Ne4 11. Be3 f5 12. Bxc6 bxc6 13. Bd4 Qc7 14. Bxg7 Kxg7 15. Qd4+ Kg8 16. Ne5 e6 17. f3 Nf6 18. Nd2 Rb8 19. b4 Nd7 20. Nb3 Nxe5 21. Rxe5 Qg7 22. Rae1 Bd7 23. Qd3 g5 24. Nd4 g4 25. f4 Rf6 26. Nxe6 Bxe6 27. Rxe6 Qf7 28. Rxf6 Qxf6 29. Re5 Rf8 30. Qe3 Qh4 31. g3 Qf6 32. Re6 Qf7 33. Qe5 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "7"]
[White "Kozlov, Oleg"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2253"]
[BlackElo "2226"]
[PlyCount "65"]
[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. a3 g6 2. d4 Bg7 3. e4 d5 4. e5 c5 5. dxc5 Bxe5 6. Nf3 Bg7 7. c3 Nc6 8. Bb5 Nf6 9. 0-0 0-0 10. Re1 Ne4 11. Be3 f5 12. Bxc6 bxc6 13. Bd4 Qc7 14. Bxg7 Kxg7 15. Qd4+ Kg8 16. Ne5 e6 17. f3 Nf6 18. Nd2 Rb8 19. b4 Nd7 20. Nb3 Nxe5 21. Rxe5 Qg7 22. Rae1 Bd7 23. Qd3 g5 24. Nd4 g4 25. f4 Rf6 26. Nxe6 Bxe6 27. Rxe6 Qf7 28. Rxf6 Qxf6 29. Re5 Rf8 30. Qe3 Qh4 31. g3 Qf6 32. Re6 Qf7 33. Qe5 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "6"]
[White "Le, Minh Hoang"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2213"]
[BlackElo "2226"]
[PlyCount "121"]
[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 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 5. c3 Bg4 6. Bf4 e6 7. Qb3 Qd7 8. Nbd2 Nge7 9. Bb5 Ng6 10. Bg3 Bd6 11. 0-0 Bxg3 12. hxg3 h5 13. Rfe1 h4 14. gxh4 Nxh4 15. Nxh4 Rxh4 16. Nf1 0-0-0 17. Ng3 Rdh8 18. Qa4 f5 19. f4 g5 20. Rf1 gxf4 21. Rxf4 a6 22. Bxc6 Qxc6 23. Qxc6+ bxc6 24. Re1 Kd7 25. Kf2 R4h6 26. Ke3 Bh5 27. Rh1 Bf7 28. Rxh6 Rxh6 29. Kf2 Kd6 30. Ne2 Rh1 31. Ng1 Bh5 32. b4 Bg4 33. a3 e5 34. dxe5+ Kxe5 35. Rd4 f4 36. Rd2 Ke4 37. Rd4+ Ke5 38. a4 Rh7 39. a5 Rh6 40. Rd2 Ke4 41. Rd4+ Ke5 42. Nf3+ Bxf3 43. Kxf3 c5 44. Rxf4 cxb4 45. cxb4 d4 46. g3 Kd5 47. Rf8 Kc4 48. Rb8 d3 49. Rb6 Rh5 50. Ke3 Re5+ 51. Kd2 Re2+ 52. Kd1 Rg2 53. Rxa6 Kxb4 54. Rg6 Kc3 55. Rc6+ Kd4 56. a6 Rg1+ 57. Kd2 Rg2+ 58. Ke1 Rg1+ 59. Kd2 Rg2+ 60. Kc1 Rg1+ 61. Kd2 1/2-1/2

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "6"]
[White "Le, Minh Hoang"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2213"]
[BlackElo "2226"]
[PlyCount "121"]
[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 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 5. c3 Bg4 6. Bf4 e6 7. Qb3 Qd7 8. Nbd2 Nge7 9. Bb5 Ng6 10. Bg3 Bd6 11. 0-0 Bxg3 12. hxg3 h5 13. Rfe1 h4 14. gxh4 Nxh4 15. Nxh4 Rxh4 16. Nf1 0-0-0 17. Ng3 Rdh8 18. Qa4 f5 19. f4 g5 20. Rf1 gxf4 21. Rxf4 a6 22. Bxc6 Qxc6 23. Qxc6+ bxc6 24. Re1 Kd7 25. Kf2 R4h6 26. Ke3 Bh5 27. Rh1 Bf7 28. Rxh6 Rxh6 29. Kf2 Kd6 30. Ne2 Rh1 31. Ng1 Bh5 32. b4 Bg4 33. a3 e5 34. dxe5+ Kxe5 35. Rd4 f4 36. Rd2 Ke4 37. Rd4+ Ke5 38. a4 Rh7 39. a5 Rh6 40. Rd2 Ke4 41. Rd4+ Ke5 42. Nf3+ Bxf3 43. Kxf3 c5 44. Rxf4 cxb4 45. cxb4 d4 46. g3 Kd5 47. Rf8 Kc4 48. Rb8 d3 49. Rb6 Rh5 50. Ke3 Re5+ 51. Kd2 Re2+ 52. Kd1 Rg2 53. Rxa6 Kxb4 54. Rg6 Kc3 55. Rc6+ Kd4 56. a6 Rg1+ 57. Kd2 Rg2+ 58. Ke1 Rg1+ 59. Kd2 Rg2+ 60. Kc1 Rg1+ 61. Kd2 1/2-1/2

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "10"]
[White "Osmonbekov, Talaibek D"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2129"]
[BlackElo "2226"]
[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. d4 d5 2. Nc3 Nf6 3. Bf4 e6 4. e3 a6 5. Nf3 c5 6. dxc5 Bxc5 7. Bd3 Nbd7 8. 0-0 0-0 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Nf6 12. Qxd8 Rxd8 13. Bg5 Be7 14. Rad1 Rxd1 15. Rxd1 h6 16. Bxf6 Bxf6 17. c3 Kf8 18. g4 Ke7 19. h4 g6 20. g5 hxg5 21. hxg5 Bg7 22. Kg2 Rb8 23. Kg3 b5 24. Kf4 b4 25. Ne5 Bxe5+ 26. Kxe5 bxc3 27. bxc3 Rb5+ 28. Kf4 Rb2 29. f3 Rxa2 30. Rb1 Ra5 31. c4 Rc5 32. Bd3 a5 33. Rb6 Kd7 34. Ke3 Kc7 35. Rb5 Rxb5 36. cxb5 a4 37. Kd4 Bb7 38. f4 a3 39. Kc3 Bd5 40. Be2 Kb6 41. Bd3 Kc5 42. Be2 Ba2 43. Bd3 Bd5 44. Be2 a2 45. Kb2 Kd4 46. Bd1 Ke3 47. b6 Kd4 48. Bb3 Bb7 49. Bxa2 Kc5 50. Kc3 Kxb6 51. Kd4 Kc6 52. Ke5 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "10"]
[White "Osmonbekov, Talaibek D"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2129"]
[BlackElo "2226"]
[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. d4 d5 2. Nc3 Nf6 3. Bf4 e6 4. e3 a6 5. Nf3 c5 6. dxc5 Bxc5 7. Bd3 Nbd7 8. 0-0 0-0 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Nf6 12. Qxd8 Rxd8 13. Bg5 Be7 14. Rad1 Rxd1 15. Rxd1 h6 16. Bxf6 Bxf6 17. c3 Kf8 18. g4 Ke7 19. h4 g6 20. g5 hxg5 21. hxg5 Bg7 22. Kg2 Rb8 23. Kg3 b5 24. Kf4 b4 25. Ne5 Bxe5+ 26. Kxe5 bxc3 27. bxc3 Rb5+ 28. Kf4 Rb2 29. f3 Rxa2 30. Rb1 Ra5 31. c4 Rc5 32. Bd3 a5 33. Rb6 Kd7 34. Ke3 Kc7 35. Rb5 Rxb5 36. cxb5 a4 37. Kd4 Bb7 38. f4 a3 39. Kc3 Bd5 40. Be2 Kb6 41. Bd3 Kc5 42. Be2 Ba2 43. Bd3 Bd5 44. Be2 a2 45. Kb2 Kd4 46. Bd1 Ke3 47. b6 Kd4 48. Bb3 Bb7 49. Bxa2 Kc5 50. Kc3 Kxb6 51. Kd4 Kc6 52. Ke5 1-0

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "5"]
[White "Da Silva, Giovanni B Tavares"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2085"]
[BlackElo "2130"]
[PlyCount "117"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Qf6 6. h3 Ne7 7. d4 exd4 8. Qxd4 Qxd4 9. Nxd4 Bd7 10. Nc3 0-0-0 11. Be3 Ng6 12. Rad1 Ne5 13. b3 c5 14. Nde2 b6 15. f4 Nc6 16. Nd5 f6 17. c4 Be6 18. Nec3 Bd6 19. Kh1 Rhe8 20. Rfe1 Bf7 21. Bf2 Kb7 22. g3 Bh5 23. g4 Bg6 24. Kg2 Nb8 25. Kf3 Nc6 26. h4 Bf7 27. h5 h6 28. Rd2 Bf8 29. Red1 Nb8 30. Ne3 Rxd2 31. Rxd2 Nc6 32. Nf5 Be6 33. Nd5 Bxf5 34. gxf5 Kc8 35. Be3 Ne7 36. Rg2 Nxd5 37. cxd5 Kd7 38. Bd2 c6 39. dxc6+ Kxc6 40. Bc3 Rd8 41. Ke3 b5 42. e5 c4 43. bxc4 bxc4 44. Bd4 fxe5 45. fxe5 Kd5 46. Rd2 Kc6 47. e6 Bb4 48. Rc2 Kb5 49. Bxg7 Bc5+ 50. Ke4 Re8 51. Ke5 Rd8 52. Kf6 Bd4+ 53. Kf7 Bc5 54. e7 Rd7 55. f6 Rb7 56. Ke6 Rb6+ 57. Kd7 Rb7+ 58. Kc8 Ra7 59. e8Q+ 1-0

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "9"]
[White "Diachek, Andriy"]
[Black "Campos Gomez, Manuel"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2130"]
[BlackElo "2339"]
[PlyCount "54"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 dxc4 4. Qa4+ Nd7 5. Qxc4 a6 6. Bg2 b5 7. Qc2 Bb7 8. 0-0 c5 9. a4 Rc8 10. axb5 axb5 11. d3 Bd6 12. Nc3 Qb6 13. Qb3 b4 14. Nb1 Bd5 15. Qd1 c4 16. dxc4 Bxc4 17. Be3 Qb8 18. Nbd2 Bd5 19. Bd4 Ngf6 20. e4 Bb7 21. e5 Nxe5 22. Nxe5 Bxg2 23. Qa4+ Kf8 24. Kxg2 Bxe5 25. Bxe5 Qxe5 26. Qxb4+ Kg8 27. Rfc1 Rb8 0-1

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "2"]
[White "Diachek, Andriy"]
[Black "Hehir, Michael"]
[Result "0-1"]
[ECO "E66"]
[WhiteElo "2130"]
[BlackElo "2009"]
[PlyCount "88"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 c5 6. Nc3 Nc6 7. d4 d6 8. d5 Na5 9. Nd2 a6 10. a3 b6 11. b4 Nb7 12. Bb2 Bd7 13. Qb3 Rb8 14. Nce4 Nxe4 15. Nxe4 Bxb2 16. Qxb2 Qc7 17. Rfc1 Bf5 18. h4 Qd7 19. h5 Bg4 20. h6 f6 21. Ng5 Qf5 22. Ne6 Rfc8 23. f3 Bh3 24. g4 Bxg4 25. fxg4 Qxg4 26. b5 a5 27. Qd2 Nd8 28. Nxd8 Rxd8 29. Qe3 Rb7 30. Kf2 Qf5+ 31. Ke1 Qg4 32. Bh3 Qh4+ 33. Kd2 Rf8 34. Be6+ Kh8 35. Qd3 Qxh6+ 36. e3 Qh2+ 37. Kc3 Qe5+ 38. Kb3 Kg7 39. Rh1 Rh8 40. e4 Rbb8 41. a4 Rbf8 42. Rag1 Qf4 43. Qh3 Qd2 44. Qh4 Qe3+ 0-1

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "4"]
[White "Diachek, Andriy"]
[Black "Madhvendra, Pratap Sharma"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "2130"]
[BlackElo "2234"]
[PlyCount "90"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 g6 5. Bg2 d6 6. 0-0 Bg7 7. d3 0-0 8. Rb1 Ne8 9. b4 a6 10. a4 h6 11. b5 axb5 12. axb5 Ne7 13. Bd2 f5 14. Ne1 f4 15. Nd5 Nxd5 16. Bxd5+ Kh7 17. e3 Bh3 18. Bg2 Bxg2 19. Kxg2 Qd7 20. exf4 exf4 21. Bxf4 Nf6 22. h3 Nh5 23. Be3 Rf7 24. Nc2 Ra2 25. Nb4 Ra8 26. Nd5 Ra2 27. Nb4 Ra3 28. Rb3 Ra8 29. Nd5 Raf8 30. Qg4 Qd8 31. Bd4 c6 32. bxc6 bxc6 33. Bxg7 Rxg7 34. Ne3 Qf6 35. d4 Re7 36. d5 c5 37. Nc2 Ref7 38. Ne3 Qe5 39. f4 Qg7 40. f5 Nf6 41. Qxg6+ Qxg6 42. fxg6+ Kxg6 43. Nf5 Ne4 44. Nh4+ Kg7 45. Rbf3 Nd2 0-1

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "6"]
[White "Diachek, Andriy"]
[Black "Mogollon Tobar, Nicolle Juliet"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2130"]
[BlackElo "2063"]
[PlyCount "85"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. c4 b6 2. d4 Bb7 3. Nc3 Nf6 4. Qc2 e6 5. e4 c5 6. d5 Bd6 7. Nf3 exd5 8. cxd5 Qe7 9. Bd3 Nxd5 10. Nxd5 Bxd5 11. 0-0 Bb7 12. e5 Bc7 13. Bg5 Qf8 14. Be4 Nc6 15. Rad1 f6 16. exf6 gxf6 17. Bg6+ Kd8 18. Qf5 Nd4 19. Nxd4 cxd4 20. Rxd4 Bc6 21. Bxf6+ Kc8 22. Bxh8 Qxh8 23. Rh4 Kb7 24. Rxh7 Qxb2 25. Rxd7 Bxd7 26. Qxd7 Qe5 27. g3 Rg8 28. Bf7 Rf8 29. Bd5+ Kb8 30. Qc6 Kc8 31. Qa8+ Bb8 32. Qb7+ Kd8 33. Bc6 Qc7 34. Rd1+ Ke7 35. Rd7+ Qxd7 36. Qxd7+ Kf6 37. Bd5 Kg6 38. Qe6+ Kg7 39. Be4 Rf6 40. Qe7+ Rf7 41. Qg5+ Kh8 42. Qh6+ Kg8 43. Bd5 1-0

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "11"]
[White "Diachek, Andriy"]
[Black "Tuguldur, Soninbayar"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2130"]
[BlackElo "2088"]
[PlyCount "91"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. b3 c6 7. Bb2 Nbd7 8. d3 Re8 9. Nbd2 b6 10. e4 Nf8 11. Qc2 Bb7 12. d4 dxe4 13. Nxe4 c5 14. Nxf6+ Bxf6 15. dxc5 bxc5 16. Rad1 Qe7 17. Rd2 a5 18. a4 Bc6 19. Rfd1 Bxb2 20. Qxb2 Qb7 21. Qc3 Rab8 22. Rd3 Qb4 23. Qxb4 Rxb4 24. Ne5 Bxg2 25. Kxg2 Reb8 26. Nc6 Rxb3 27. Nxb8 Rxb8 28. Rd8 Rb7 29. Ra8 f6 30. Rdd8 Rf7 31. Rxa5 h5 32. Raa8 g5 33. a5 Kg7 34. Rxf8 Rb7 35. a6 Rb2 36. Rfb8 Ra2 37. Rb7+ Kg6 38. a7 e5 39. Rg8+ Kf5 40. a8Q Rd2 41. Rf7 Rd4 42. Rgf8 Rd6 43. Qf3+ Kg6 44. Rxf6+ Kg7 45. R8f7+ Kg8 46. Qa8+ 1-0

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "1"]
[White "Donchenko, Alexander"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "E00"]
[WhiteElo "2627"]
[BlackElo "2130"]
[PlyCount "31"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[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 Qxd5 9. Bg2 Nc6 10. 0-0 0-0 11. Rd1 e5 12. b4 Bf5 13. Bb2 Qd6 14. e3 d3 15. b5 Na5 16. Qxa5 1-0

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "10"]
[White "Jaskolka, Tomasz"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2198"]
[BlackElo "2130"]
[PlyCount "144"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. c3 c5 5. Nd2 Qb6 6. Qb3 c4 7. Qc2 Nc6 8. Ngf3 Nh5 9. Be2 Nxf4 10. exf4 Bd6 11. g3 Bd7 12. 0-0 Qc7 13. b3 cxb3 14. axb3 Rc8 15. Qb2 a6 16. Ne5 Nxe5 17. fxe5 Be7 18. Rac1 0-0 19. f4 b5 20. b4 a5 21. Nb3 a4 22. Nc5 Bxc5 23. bxc5 Qa5 24. Ra1 Rb8 25. Qb4 Qxb4 26. cxb4 f5 27. exf6 Rxf6 28. Kf2 Bc6 29. Ke3 Rbf8 30. Bd3 h6 31. g4 g5 32. f5 Bd7 33. fxe6 Rxf1 34. Bxf1 Re8 35. Kd2 Rxe6 36. Bd3 Rf6 37. Kc3 Rf3 38. Re1 Bxg4 39. Re5 Rh3 40. c6 a3 41. Kd2 a2 42. Re8+ Kf7 43. Ra8 Rxh2+ 44. Ke3 Rh3+ 45. Kd2 Rh2+ 46. Kc1 Rh1+ 47. Kb2 a1Q+ 48. Rxa1 Rxa1 49. Kxa1 Ke6 50. Bxb5 Kd6 51. Ba4 h5 52. b5 Kc7 53. Kb2 h4 54. Kc3 h3 55. Kb4 Kb6 56. Bb3 Bf3 57. c7 Kxc7 58. Kc5 h2 59. b6+ Kb8 60. Ba4 h1Q 61. Bc6 Qc1+ 62. Kd6 Qc4 63. b7 Qxd4 64. Ke7 Qc5+ 65. Kd7 Bg4+ 66. Kd8 Qxc6 67. Ke7 Qxb7+ 68. Kf8 d4 69. Kg8 d3 70. Kf8 d2 71. Ke8 d1Q 72. Kf8 Qd8# 0-1

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "3"]
[White "Kjaergaard Jensen, Jesper"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2081"]
[BlackElo "2130"]
[PlyCount "114"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c3 c5 4. Bg5 h6 5. Bxf6 Qxf6 6. Nbd2 b6 7. e4 Bb7 8. Bb5 a6 9. Bd3 Qd8 10. Qe2 Be7 11. e5 Nc6 12. 0-0-0 cxd4 13. Nxd4 Qc7 14. Nxc6 Bxc6 15. f4 b5 16. Ne4 b4 17. c4 Rc8 18. Kb1 a5 19. Rc1 a4 20. c5 a3 21. Nd6+ Bxd6 22. cxd6 Qb6 23. b3 0-0 24. Rc4 Bd5 25. Rxc8 Rxc8 26. Rc1 Rxc1+ 27. Kxc1 Qg1+ 28. Kd2 Bxb3 29. Qe4 Qd1+ 30. Ke3 Qe1+ 31. Be2 Bd5 32. Qc2 Qc3+ 33. Qxc3 bxc3 34. Kd3 Bc4+ 35. Kxc3 Bxe2 36. Kb3 Bf1 37. g3 g5 38. Kxa3 gxf4 39. gxf4 Kg7 40. Kb4 Kg6 41. a4 Kf5 42. Kc5 Kxf4 43. Kb6 Bg2 44. Kc7 Bc6 45. a5 Kxe5 46. a6 f5 47. a7 f4 48. a8Q Bxa8 49. Kxd7 Kd5 50. Ke7 Bc6 51. d7 Bxd7 52. Kxd7 f3 53. h4 f2 54. h5 f1Q 55. Ke7 Qf5 56. Ke8 Kd6 57. Kd8 Qf8# 0-1

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "8"]
[White "Tang, Terrence"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2068"]
[BlackElo "2130"]
[PlyCount "98"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. a4 d5 7. exd5 Nxd5 8. Re1 Bg4 9. Nbd2 Kh8 10. h3 Bh5 11. Nf1 Nb6 12. g4 Bg6 13. Nxe5 Nxe5 14. Rxe5 Nxc4 15. Re1 Nd6 16. f4 f5 17. g5 Bf7 18. Be3 Re8 19. Qf3 c6 20. Ng3 Bf8 21. h4 Bd5 22. Qf2 Qd7 23. c4 Bf7 24. h5 Kg8 25. Re2 g6 26. hxg6 hxg6 27. Qh2 Bg7 28. Kf2 Be6 29. Rh1 Kf7 30. c5 Rh8 31. Qg1 Rxh1 32. Qxh1 Rh8 33. Qg2 Bd5 34. Qg1 Nc8 35. b4 Ne7 36. Kf1 Bf3 37. Rd2 Bc3 38. Ra2 Qxd3+ 39. Kf2 Bd5 40. Ra3 Qc2+ 41. Ne2 Bc4 42. Rxc3 Qxe2+ 43. Kg3 Nd5 44. Ra3 Nxe3 45. Rxe3 Qg4+ 46. Kf2 Qxf4+ 47. Ke1 Re8 48. Rxe8 Qc1+ 49. Kf2 Qxg1+ 0-1

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "7"]
[White "Vu, Thi Dieu Uyen"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1875"]
[BlackElo "2130"]
[PlyCount "160"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 e6 6. Be2 Nf6 7. 0-0 Nc6 8. Be3 cxd4 9. Nxd4 Nxd4 10. Bxd4 Be7 11. Bf3 Qd7 12. Nd2 0-0 13. Nc4 Bd8 14. Qc2 Bc7 15. Rad1 Qb5 16. Bxf6 gxf6 17. Rd4 f5 18. a4 Qc5 19. b4 Qe7 20. Re1 Qf6 21. h3 e5 22. Rd2 e4 23. Bd1 Be6 24. Ne3 Qe5 25. Nf1 Bc4 26. Be2 Be6 27. Ng3 e3 28. Bf3 exf2+ 29. Kxf2 Qxg3+ 30. Kf1 Bc4+ 31. Be2 Qf4+ 32. Kg1 Qh2+ 33. Kf2 Bb6+ 34. Kf3 Bxe2+ 35. Rdxe2 Qd6 36. Qxf5 Qg6 37. Qxg6+ fxg6+ 38. Kg3 Kf7 39. Re7+ Kg8 40. Kh2 Bd8 41. Rxb7 Bf6 42. Rd1 Be5+ 43. Kh1 Rf7 44. Rxf7 Kxf7 45. Rd3 Ke7 46. Kg1 Rd8 47. Re3 Ke6 48. Kf2 Rf8+ 49. Ke2 Kd5 50. c4+ Ke6 51. c5 Kd5 52. b5 axb5 53. axb5 Bd4 54. Rd3 Kxc5 55. b6 Rf2+ 56. Ke1 Rb2 57. Rf3 Rxb6 58. Rf7 Rb2 59. Rxh7 Rxg2 60. Kf1 Rg1+ 61. Ke2 Kd5 62. Kf3 Ke5 63. Re7+ Kf6 64. Rd7 Be5 65. Rb7 Rg3+ 66. Ke4 Bd6 67. Rb6 Ke6 68. h4 Rg4+ 69. Kf3 Rxh4 70. Ra6 Rf4+ 71. Ke3 Rb4 72. Kf3 g5 73. Ra5 Be5 74. Ra6+ Kf5 75. Ra8 Rb3+ 76. Kg2 Kg4 77. Re8 Bf4 78. Kf1 Rb2 79. Kg1 Kf3 80. Kf1 g4 0-1

[Event "Prague op"]
[Site "Prague"]
[Date "2025.02.28"]
[Round "2"]
[White "Isik, Alparslan"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2477"]
[BlackElo "2146"]
[PlyCount "144"]
[EventDate "2025.02.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. c4 Bg4 5. Ne5 Bf5 6. cxd5 cxd5 7. Nc3 Nc6 8. Qa4 Bd7 9. Nxd7 Qxd7 10. 0-0 e6 11. d3 Be7 12. e4 dxe4 13. dxe4 0-0 14. Rd1 Qc7 15. Qc2 Qa5 16. Bd2 Qa6 17. Bf4 Rfd8 18. Bc7 Nd4 19. Qb1 Rd7 20. e5 Ne8 21. Bd6 Nb5 22. Bf1 Nxc3 23. bxc3 Qa5 24. Qb5 Qxb5 25. Bxb5 Rxd6 26. exd6 Nxd6 27. Bf1 Rc8 28. Rd3 Ne4 29. Bg2 Nc5 30. Rd2 Bd8 31. Rb1 b6 32. c4 Bc7 33. Rbd1 Kf8 34. Bc6 Ke7 35. Kg2 Be5 36. Bb7 Rc7 37. Bf3 Bc3 38. Rd8 Nd7 39. Ra8 Be5 40. Rd2 Bd6 41. Bd1 Nc5 42. Bc2 h6 43. Rg8 Nd7 44. Rxg7 Bb4 45. Rd3 Nf6 46. Rf3 Kf8 47. Rg6 fxg6 48. Rxf6+ Ke7 49. Rxg6 Rxc4 50. Bb3 Re4 51. Rxh6 Bc5 52. Kf3 Re1 53. Rh7+ Kf6 54. Rxa7 Rf1 55. h4 Rxf2+ 56. Kg4 Rd2 57. Kh5 Rh2 58. g4 Be3 59. Ra8 Bg5 60. Rf8+ Kg7 61. Kxg5 Kxf8 62. Bxe6 Kg7 63. h5 Rh1 64. a4 Rh2 65. Bd5 Re2 66. h6+ Kh7 67. Bc4 Re5+ 68. Kf6 Rc5 69. Bd3+ Kxh6 70. Bf5 Rc6+ 71. Be6 Rc5 72. Bf5 Rc6+ 1/2-1/2

[Event "Titled Tuesday intern op 25th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.25"]
[Round "5"]
[White "Biastoch, Bennet"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2213"]
[BlackElo "2146"]
[PlyCount "150"]
[EventDate "2025.02.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 Bg4 5. d3 e6 6. Nbd2 Be7 7. c4 0-0 8. b3 a5 9. Bb2 Nbd7 10. h3 Bh5 11. Kh2 Qb6 12. Ne5 a4 13. g4 Nxe5 14. Bxe5 Bg6 15. f4 Nd7 16. Nf3 axb3 17. Qxb3 Qxb3 18. axb3 Nxe5 19. Nxe5 Bd6 20. Kg3 Bxe5 21. fxe5 Rfc8 22. h4 h5 23. g5 Kf8 24. Bf3 Ke7 25. e4 dxe4 26. dxe4 Rd8 27. Rfd1 Rxa1 28. Rxa1 Rd3 29. Kf4 Rxb3 30. Ra8 Kd7 31. Rg8 b5 32. cxb5 c5 33. Rb8 Kc7 34. Ra8 Rxb5 35. Ke3 Rb3+ 36. Kf2 Rb2+ 37. Ke3 Rb3+ 38. Kf2 c4 39. Ra4 c3 40. Rc4+ Kb6 41. Be2 Rb2 42. Rxc3 Bxe4 43. Ke3 Bg6 44. Ra3 Rb4 45. Bf3 Rxh4 46. Rb3+ Kc5 47. Rc3+ Rc4 48. Ra3 Kb4 49. Ra7 Rc3+ 50. Kf4 Rc4+ 51. Ke3 h4 52. Be2 Re4+ 53. Kf3 Rxe5 54. Rb7+ Kc5 55. Rb5+ Kd6 56. Rb6+ Kc7 57. Ra6 Rxg5 58. Ra7+ Kd6 59. Kf4 Rf5+ 60. Ke3 Re5+ 61. Kf2 h3 62. Bf3 Rf5 63. Ra6+ Ke5 64. Ra5+ Kf6 65. Ra1 Bh5 66. Kg3 Bxf3 67. Kh4 Bd5 68. Kg4 Rg5+ 69. Kh4 Rf5 70. Kg4 g6 71. Re1 h2 72. Kg3 h1Q 73. Re2 Qf3+ 74. Kh2 Rh5+ 75. Kg1 Rh1# 0-1

[Event "Titled Tuesday intern op 25th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.25"]
[Round "8"]
[White "Diachek, Andriy"]
[Black "Cieslak, Wiktoria"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2146"]
[BlackElo "1919"]
[PlyCount "45"]
[EventDate "2025.02.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. d4 cxd4 6. Qxd4 Nc6 7. Qd3 Nf6 8. 0-0 g6 9. c4 Bg7 10. Nc3 0-0 11. h3 Rac8 12. Rb1 a6 13. b3 Nb4 14. Qe2 h6 15. Bb2 Nh5 16. a3 Nc6 17. Nd5 e6 18. Nb6 Qc7 19. Nxc8 Rxc8 20. Bxg7 Nxg7 21. Rfd1 Nh5 22. Qd2 Rd8 23. Qxh6 1-0

[Event "Titled Tuesday intern op 25th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.25"]
[Round "1"]
[White "Diachek, Andriy"]
[Black "Csonka, Balazs"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2146"]
[BlackElo "2473"]
[PlyCount "121"]
[EventDate "2025.02.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 e5 8. d4 cxd4 9. cxd4 Bg4 10. d5 Nd4 11. Be2 Nxe2+ 12. Qxe2 Be7 13. Nc3 0-0 14. a4 Rc8 15. Be3 Bh5 16. h3 Qd7 17. Rec1 Rxc3 18. Rxc3 Nxe4 19. Rc4 f5 20. Qc2 Bxf3 21. gxf3 Nf6 22. Rc7 Qd8 23. Rc1 f4 24. Bb6 Qe8 25. Qf5 Bd8 26. Rc8 g6 27. Qg5 Qd7 28. Bxd8 Rxd8 29. R8c7 Qf5 30. Qxf5 gxf5 31. Rxb7 Nxd5 32. Ra7 e4 33. fxe4 fxe4 34. Rxa6 e3 35. Rac6 e2 36. f3 Kf7 37. Kf2 Rb8 38. Kxe2 Rxb2+ 39. R1c2 Rb3 40. Rc8 Ne3 41. R2c7+ Ke6 42. Re8+ Kd5 43. Re4 Rb2+ 44. Ke1 Ng2+ 45. Kf1 Ne3+ 46. Kg1 Rb1+ 47. Kf2 Rb2+ 48. Ke1 Ng2+ 49. Kd1 Ne3+ 50. Kc1 Ra2 51. Rxf4 Ng2 52. Re4 h5 53. Rh7 h4 54. Rh5+ Kc6 55. Rc4+ Kd7 56. a5 Ne3 57. Rb4 d5 58. Rhxh4 Nc2 59. Rb6 Na3 60. Rh7+ Kc8 61. Rg6 1-0

[Event "Titled Tuesday intern op 25th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.25"]
[Round "6"]
[White "Diachek, Andriy"]
[Black "Gubajdullin, Alexey"]
[Result "0-1"]
[ECO "B75"]
[WhiteElo "2146"]
[BlackElo "2238"]
[PlyCount "64"]
[EventDate "2025.02.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 h5 8. Qd2 a6 9. Bc4 b5 10. Bb3 Bb7 11. a4 bxa4 12. Bxa4+ Nbd7 13. Nc6 Qc8 14. Na5 0-0 15. 0-0 Nc5 16. Nxb7 Qxb7 17. Bxc5 dxc5 18. Bb3 Rfd8 19. Qe2 e6 20. Kh1 Nd7 21. f4 Nb8 22. f5 Nc6 23. fxg6 fxg6 24. Bxe6+ Kh7 25. Bd5 Rac8 26. Rab1 Qb4 27. Rf7 Ne5 28. Rb7 Qa5 29. Qf2 Rb8 30. Rxb8 Rxb8 31. Ne2 Qd2 32. c3 Rf8 0-1

[Event "Titled Tuesday intern op 25th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.25"]
[Round "4"]
[White "Diachek, Andriy"]
[Black "Sobek, Jaroslav"]
[Result "1-0"]
[ECO "E02"]
[WhiteElo "2146"]
[BlackElo "2198"]
[PlyCount "35"]
[EventDate "2025.02.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 dxc4 4. Bg2 Nc6 5. Qa4 Bd7 6. Qxc4 Nf6 7. Nf3 Be7 8. 0-0 0-0 9. Nc3 a6 10. Ne5 Na5 11. Qd3 Nc6 12. Nxc6 Bxc6 13. Bxc6 bxc6 14. Qc4 Qd7 15. Bg5 Rfb8 16. Bxf6 Bxf6 17. b3 Rb4 18. Qxb4 1-0

[Event "Titled Tuesday intern op 25th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.25"]
[Round "10"]
[White "Diachek, Andriy"]
[Black "Villa, Ma Elayza"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2146"]
[BlackElo "1819"]
[PlyCount "41"]
[EventDate "2025.02.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Na3 Bd7 7. Be2 cxd4 8. cxd4 Bxa3 9. bxa3 Nge7 10. 0-0 0-0 11. Bd3 Rac8 12. Bxh7+ Kxh7 13. Ng5+ Kg8 14. Qh5 Rfd8 15. Qh7+ Kf8 16. Qh8+ Ng8 17. Nh7+ Ke7 18. Bg5+ Nf6 19. Bxf6+ gxf6 20. Qxf6+ Ke8 21. Ng5 1-0

[Event "Titled Tuesday intern op 25th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.25"]
[Round "9"]
[White "Gales, Randi Ioan"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "E52"]
[WhiteElo "2247"]
[BlackElo "2146"]
[PlyCount "53"]
[EventDate "2025.02.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd2 b6 6. Nf3 Bb7 7. Bd3 d5 8. cxd5 Nxd5 9. e4 Nf6 10. e5 Nd5 11. Bxh7+ Kxh7 12. Ng5+ Kg6 13. h4 Nxc3 14. bxc3 Qd5 15. cxb4 Qxg2 16. Qc2+ f5 17. 0-0-0 Kh5 18. Qd3 Ba6 19. b5 Qc6+ 20. bxc6 Bxd3 21. Nxe6 Nxc6 22. Nf4+ Kg4 23. Nxd3 Nxd4 24. Rdg1+ Kf3 25. Nf4 Rf7 26. Rh3+ Ke4 27. Re1+ 1-0

[Event "Titled Tuesday intern op 25th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.25"]
[Round "11"]
[White "Kavyev, Ruslan"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2279"]
[BlackElo "2146"]
[PlyCount "51"]
[EventDate "2025.02.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 e6 4. Nf3 c5 5. d5 exd5 6. exd5 Bxd5 7. Nc3 Bb7 8. 0-0 Be7 9. Bf4 Nf6 10. Nb5 0-0 11. Nd6 Ba6 12. Nf5 Bxd3 13. Qxd3 d5 14. Rfe1 Nc6 15. Bg5 Re8 16. Ne5 Nxe5 17. Rxe5 Bf8 18. Rxe8 Qxe8 19. Bxf6 gxf6 20. Qxd5 Rd8 21. Qf3 Qe5 22. c3 Rd2 23. Kf1 c4 24. Re1 Qd5 25. Qg4+ Kh8 26. Qg7+ 1-0

[Event "Titled Tuesday intern op 25th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.25"]
[Round "2"]
[White "Munoz, Francisco Javier"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2389"]
[BlackElo "2146"]
[PlyCount "67"]
[EventDate "2025.02.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. a3 Nf6 5. f3 d5 6. e5 Nfd7 7. Be3 c5 8. f4 Nc6 9. Nf3 Qc8 10. h4 Ba6 11. Bxa6 Qxa6 12. h5 h6 13. g4 cxd4 14. Nxd4 Nxd4 15. Bxd4 Bc5 16. Rh3 Rc8 17. Qd2 Nb8 18. Bxc5 Rxc5 19. 0-0-0 Nc6 20. Ne4 dxe4 21. Qd7+ Kf8 22. f5 Kg8 23. Qe8+ Kh7 24. Qxf7 Rd8 25. Qg6+ Kh8 26. Rxd8+ Nxd8 27. Kb1 Qf1+ 28. Ka2 Qxh3 29. f6 Rc7 30. g5 hxg5 31. Qe8+ Kh7 32. Qxd8 Rb7 33. Qc8 e3 34. Qxb7 1-0

[Event "Titled Tuesday intern op 25th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.25"]
[Round "3"]
[White "Tran, Vo Quoc Bao"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2062"]
[BlackElo "2146"]
[PlyCount "71"]
[EventDate "2025.02.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 h5 8. Bg5 Be7 9. Qd2 Be6 10. 0-0-0 Nbd7 11. Kb1 Rc8 12. h4 b5 13. Nd5 Nxd5 14. exd5 Bf5 15. Rc1 Nb6 16. Bxe7 Qxe7 17. Na5 Rc5 18. Nc6 Qb7 19. Qg5 Qd7 20. Qxg7 Rf8 21. Nb4 Nxd5 22. Nxd5 Rxd5 23. Bd3 Bxd3 24. cxd3 f6 25. Qg6+ Ke7 26. Qxh5 Rc5 27. Qh7+ Rf7 28. Qe4 d5 29. Qg6 Kd6 30. h5 Rxc1+ 31. Rxc1 Qe7 32. h6 Rh7 33. g4 Qf7 34. Qf5 Rxh6 35. Qc8 Qd7 36. Qxa6+ 1-0

[Event "Titled Tuesday intern op 25th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.25"]
[Round "7"]
[White "Wartiovaara, Oliver"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2336"]
[BlackElo "2146"]
[PlyCount "29"]
[EventDate "2025.02.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 Nf6 5. h4 c5 6. d5 exd5 7. exd5 Nxd5 8. Qf3 Qf6 9. Be4 Qe6 10. Nge2 Nb4 11. Bxb7 Nxc2+ 12. Kd1 Nxa1 13. Bxa8 Nc6 14. Bxc6 dxc6 15. Qe3 1-0

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "2"]
[White "Alieva, Alexandra"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2054"]
[BlackElo "2146"]
[PlyCount "64"]
[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 c5 2. Nc3 a6 3. Nf3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 b5 7. Bg2 Bb7 8. 0-0 d6 9. f4 Nf6 10. Re1 Nbd7 11. h3 Be7 12. g4 Nc5 13. a3 0-0 14. g5 Nfd7 15. f5 Ne5 16. Rf1 Qd8 17. h4 Nc6 18. Nxc6 Bxc6 19. Qf3 exf5 20. Qxf5 Ne6 21. Nd5 Rc8 22. Be3 Qd7 23. Nf6+ gxf6 24. gxf6 Kh8 25. fxe7 Qxe7 26. Kh1 Qxh4+ 27. Kg1 Rg8 28. Rf2 Bxe4 29. Bg5 Qxg5 30. Qxf7 Bxg2 31. Kh2 Be4 32. Raf1 Qh4# 0-1

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "2"]
[White "Alieva, Alexandra"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2054"]
[BlackElo "2146"]
[PlyCount "64"]
[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 c5 2. Nc3 a6 3. Nf3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 b5 7. Bg2 Bb7 8. 0-0 d6 9. f4 Nf6 10. Re1 Nbd7 11. h3 Be7 12. g4 Nc5 13. a3 0-0 14. g5 Nfd7 15. f5 Ne5 16. Rf1 Qd8 17. h4 Nc6 18. Nxc6 Bxc6 19. Qf3 exf5 20. Qxf5 Ne6 21. Nd5 Rc8 22. Be3 Qd7 23. Nf6+ gxf6 24. gxf6 Kh8 25. fxe7 Qxe7 26. Kh1 Qxh4+ 27. Kg1 Rg8 28. Rf2 Bxe4 29. Bg5 Qxg5 30. Qxf7 Bxg2 31. Kh2 Be4 32. Raf1 Qh4# 0-1

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "10"]
[White "Bianchi, Guillaume"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "2105"]
[BlackElo "2146"]
[PlyCount "92"]
[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 b6 2. d4 Bb7 3. Bd3 e6 4. Nf3 c5 5. 0-0 cxd4 6. Nxd4 a6 7. Re1 Qc7 8. c4 Nc6 9. Nxc6 dxc6 10. Nc3 c5 11. Be3 Bd6 12. Qg4 Bxh2+ 13. Kh1 Be5 14. f4 Bxc3 15. bxc3 g6 16. f5 0-0-0 17. Bc2 Nf6 18. Qh4 Nh5 19. Bg5 Rd7 20. Bd1 Ng3+ 21. Kg1 Nh5 22. Bxh5 gxh5 23. Qxh5 exf5 24. exf5 Qg3 25. Re2 Rg8 26. Qh2 Qxh2+ 27. Kxh2 Rxg5 28. Rae1 Rxf5 29. Re8+ Kc7 30. Rh8 Rh5+ 31. Kg1 Rg5 32. Re2 f5 33. Rf2 Rdg7 34. Re8 Rxg2+ 35. Kf1 Rxf2+ 36. Kxf2 Be4 37. a4 Bd3 38. Re5 Bxc4 39. Rxf5 Rf7 40. Rxf7+ Bxf7 41. Kg3 Bb3 42. Kh4 Bxa4 43. Kg5 Bc2 44. Kh6 a5 45. Kg5 a4 46. c4 a3 0-1

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "10"]
[White "Bianchi, Guillaume"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "2105"]
[BlackElo "2146"]
[PlyCount "92"]
[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 b6 2. d4 Bb7 3. Bd3 e6 4. Nf3 c5 5. 0-0 cxd4 6. Nxd4 a6 7. Re1 Qc7 8. c4 Nc6 9. Nxc6 dxc6 10. Nc3 c5 11. Be3 Bd6 12. Qg4 Bxh2+ 13. Kh1 Be5 14. f4 Bxc3 15. bxc3 g6 16. f5 0-0-0 17. Bc2 Nf6 18. Qh4 Nh5 19. Bg5 Rd7 20. Bd1 Ng3+ 21. Kg1 Nh5 22. Bxh5 gxh5 23. Qxh5 exf5 24. exf5 Qg3 25. Re2 Rg8 26. Qh2 Qxh2+ 27. Kxh2 Rxg5 28. Rae1 Rxf5 29. Re8+ Kc7 30. Rh8 Rh5+ 31. Kg1 Rg5 32. Re2 f5 33. Rf2 Rdg7 34. Re8 Rxg2+ 35. Kf1 Rxf2+ 36. Kxf2 Be4 37. a4 Bd3 38. Re5 Bxc4 39. Rxf5 Rf7 40. Rxf7+ Bxf7 41. Kg3 Bb3 42. Kh4 Bxa4 43. Kg5 Bc2 44. Kh6 a5 45. Kg5 a4 46. c4 a3 0-1

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "8"]
[White "Danada, Tomas"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2178"]
[BlackElo "2146"]
[PlyCount "91"]
[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. d4 Nf6 2. Nf3 d5 3. c3 Bg4 4. Ne5 Bf5 5. Qb3 Qc8 6. Bf4 Nbd7 7. e3 e6 8. Nd2 Nxe5 9. Bxe5 Nd7 10. Bg3 c5 11. Nf3 c4 12. Qd1 h6 13. Ne5 Nxe5 14. Bxe5 b5 15. Be2 b4 16. Qa4+ Qd7 17. Qxd7+ Kxd7 18. cxb4 Bxb4+ 19. Kd1 f6 20. Bg3 Rhc8 21. Rc1 Bd6 22. Bxd6 Kxd6 23. Rc3 e5 24. Kc1 exd4 25. exd4 Re8 26. Re3 Be4 27. Bf3 f5 28. Rhe1 g6 29. Bd1 f4 30. R3e2 g5 31. f3 Bg6 32. Rxe8 Bxe8 33. Kd2 Bg6 34. Kc3 a5 35. Ba4 Rb8 36. Re5 Rb4 37. Be8 Bd3 38. Bf7 Rb5 39. Re6+ Kd7 40. Rxh6 Ke7 41. Bg8 Kf8 42. Be6 Kg7 43. Rh5 Bg6 44. Rxg5 Kf6 45. Re5 Rb6 46. Bxd5 1-0

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "8"]
[White "Danada, Tomas"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2178"]
[BlackElo "2146"]
[PlyCount "91"]
[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. d4 Nf6 2. Nf3 d5 3. c3 Bg4 4. Ne5 Bf5 5. Qb3 Qc8 6. Bf4 Nbd7 7. e3 e6 8. Nd2 Nxe5 9. Bxe5 Nd7 10. Bg3 c5 11. Nf3 c4 12. Qd1 h6 13. Ne5 Nxe5 14. Bxe5 b5 15. Be2 b4 16. Qa4+ Qd7 17. Qxd7+ Kxd7 18. cxb4 Bxb4+ 19. Kd1 f6 20. Bg3 Rhc8 21. Rc1 Bd6 22. Bxd6 Kxd6 23. Rc3 e5 24. Kc1 exd4 25. exd4 Re8 26. Re3 Be4 27. Bf3 f5 28. Rhe1 g6 29. Bd1 f4 30. R3e2 g5 31. f3 Bg6 32. Rxe8 Bxe8 33. Kd2 Bg6 34. Kc3 a5 35. Ba4 Rb8 36. Re5 Rb4 37. Be8 Bd3 38. Bf7 Rb5 39. Re6+ Kd7 40. Rxh6 Ke7 41. Bg8 Kf8 42. Be6 Kg7 43. Rh5 Bg6 44. Rxg5 Kf6 45. Re5 Rb6 46. Bxd5 1-0

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "7"]
[White "Diachek, Andriy"]
[Black "Bartakke, Aditya"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "2146"]
[BlackElo "2116"]
[PlyCount "85"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. g3 Bg4 7. Nxc6 bxc6 8. f3 Be6 9. Bg2 Qb6 10. Qe2 g6 11. b3 Bg7 12. Bb2 Nxe4 13. fxe4 Qa5 14. Qd2 0-0 15. Na4 Qa6 16. Bxg7 Kxg7 17. Bf1 Qb7 18. Bd3 d5 19. Nc5 Qc8 20. e5 Bh3 21. 0-0-0 a5 22. a4 Rb8 23. Rhe1 Rb4 24. Qg5 Qc7 25. Na6 Qa7 26. Nxb4 axb4 27. Qe3 c5 28. Bf1 Be6 29. Bg2 Rd8 30. Rd2 d4 31. Qf4 c4 32. Qf3 d3 33. cxd3 cxb3 34. Kd1 Qxa4 35. Ke2 Qa3 36. Qe4 b2 37. d4 Qc3 38. Qc2 Rxd4 39. Qxc3 bxc3 40. Rxd4 c2 41. Kd2 b1Q 42. Rc1 Qb2 43. Rd3 1-0

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "7"]
[White "Diachek, Andriy"]
[Black "Bartakke, Aditya"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "2146"]
[BlackElo "2116"]
[PlyCount "85"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. g3 Bg4 7. Nxc6 bxc6 8. f3 Be6 9. Bg2 Qb6 10. Qe2 g6 11. b3 Bg7 12. Bb2 Nxe4 13. fxe4 Qa5 14. Qd2 0-0 15. Na4 Qa6 16. Bxg7 Kxg7 17. Bf1 Qb7 18. Bd3 d5 19. Nc5 Qc8 20. e5 Bh3 21. 0-0-0 a5 22. a4 Rb8 23. Rhe1 Rb4 24. Qg5 Qc7 25. Na6 Qa7 26. Nxb4 axb4 27. Qe3 c5 28. Bf1 Be6 29. Bg2 Rd8 30. Rd2 d4 31. Qf4 c4 32. Qf3 d3 33. cxd3 cxb3 34. Kd1 Qxa4 35. Ke2 Qa3 36. Qe4 b2 37. d4 Qc3 38. Qc2 Rxd4 39. Qxc3 bxc3 40. Rxd4 c2 41. Kd2 b1Q 42. Rc1 Qb2 43. Rd3 1-0

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "11"]
[White "Diachek, Andriy"]
[Black "Hertlein, Irena"]
[Result "1-0"]
[ECO "B61"]
[WhiteElo "2146"]
[BlackElo "1993"]
[PlyCount "77"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Qd2 Rc8 8. 0-0-0 Nxd4 9. Qxd4 Qa5 10. Bxf6 gxf6 11. Bc4 Bh6+ 12. Kb1 Qc5 13. Bd5 Qxd4 14. Rxd4 Bc6 15. Bxc6+ bxc6 16. g3 Rb8 17. Rhd1 Kd7 18. b3 Kc7 19. Ne2 Bg7 20. Rc4 Rb6 21. Nd4 e6 22. Rd3 h5 23. h4 Kb7 24. Ne2 d5 25. Ra4 Bh6 26. Rd1 Kb8 27. c4 dxe4 28. Nc3 f5 29. c5 Rb7 30. Ra6 Kc7 31. Rd6 Rbb8 32. Raxc6+ Kb7 33. Nb5 Ka8 34. Nc7+ Kb7 35. Nb5 Ka8 36. a4 Bf8 37. Rd7 Rb7 38. Rc8+ Rb8 39. Rxa7# 1-0

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "11"]
[White "Diachek, Andriy"]
[Black "Hertlein, Irena"]
[Result "1-0"]
[ECO "B61"]
[WhiteElo "2146"]
[BlackElo "1993"]
[PlyCount "77"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Qd2 Rc8 8. 0-0-0 Nxd4 9. Qxd4 Qa5 10. Bxf6 gxf6 11. Bc4 Bh6+ 12. Kb1 Qc5 13. Bd5 Qxd4 14. Rxd4 Bc6 15. Bxc6+ bxc6 16. g3 Rb8 17. Rhd1 Kd7 18. b3 Kc7 19. Ne2 Bg7 20. Rc4 Rb6 21. Nd4 e6 22. Rd3 h5 23. h4 Kb7 24. Ne2 d5 25. Ra4 Bh6 26. Rd1 Kb8 27. c4 dxe4 28. Nc3 f5 29. c5 Rb7 30. Ra6 Kc7 31. Rd6 Rbb8 32. Raxc6+ Kb7 33. Nb5 Ka8 34. Nc7+ Kb7 35. Nb5 Ka8 36. a4 Bf8 37. Rd7 Rb7 38. Rc8+ Rb8 39. Rxa7# 1-0

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "5"]
[White "Diachek, Andriy"]
[Black "Lenoir Ibacache, Gabriel Alberto"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2146"]
[BlackElo "2194"]
[PlyCount "72"]
[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. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 e6 6. d3 Nge7 7. Nc3 0-0 8. Bd2 d5 9. cxd5 exd5 10. Rc1 b6 11. a3 h6 12. Qa4 Bd7 13. Qb3 Be6 14. Qa4 Rc8 15. b4 a5 16. bxc5 bxc5 17. Nb5 c4 18. dxc4 dxc4 19. Bf4 Nd5 20. Bd6 Re8 21. Rfd1 Qb6 22. Nd2 Nd4 23. Nxd4 Bxd4 24. Nxc4 Bxf2+ 25. Kh1 Qa7 26. Bxd5 Bxd5+ 27. Rxd5 Rxe2 28. Qd1 Re1+ 29. Qxe1 Bxe1 30. Rxe1 Rxc4 31. Re8+ Kh7 32. Be5 Rc1+ 33. Kg2 Qg1+ 34. Kh3 Qf1+ 35. Kh4 g5+ 36. Kh5 Qh3# 0-1

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "5"]
[White "Diachek, Andriy"]
[Black "Lenoir Ibacache, Gabriel Alberto"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2146"]
[BlackElo "2194"]
[PlyCount "72"]
[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. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 e6 6. d3 Nge7 7. Nc3 0-0 8. Bd2 d5 9. cxd5 exd5 10. Rc1 b6 11. a3 h6 12. Qa4 Bd7 13. Qb3 Be6 14. Qa4 Rc8 15. b4 a5 16. bxc5 bxc5 17. Nb5 c4 18. dxc4 dxc4 19. Bf4 Nd5 20. Bd6 Re8 21. Rfd1 Qb6 22. Nd2 Nd4 23. Nxd4 Bxd4 24. Nxc4 Bxf2+ 25. Kh1 Qa7 26. Bxd5 Bxd5+ 27. Rxd5 Rxe2 28. Qd1 Re1+ 29. Qxe1 Bxe1 30. Rxe1 Rxc4 31. Re8+ Kh7 32. Be5 Rc1+ 33. Kg2 Qg1+ 34. Kh3 Qf1+ 35. Kh4 g5+ 36. Kh5 Qh3# 0-1

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "3"]
[White "Diachek, Andriy"]
[Black "Sahib, Singh"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2146"]
[BlackElo "2430"]
[PlyCount "34"]
[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. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 Bxc3 5. dxc3 d6 6. Nf3 Nc6 7. 0-0 0-0 8. Qb3 Rb8 9. Rd1 Qe7 10. Bg5 Be6 11. Nd2 h6 12. Bxf6 Qxf6 13. Nf1 Na5 14. Qa4 Nxc4 15. Qxa7 Nxb2 16. Rdb1 Nc4 17. Rxb7 Ra8 0-1

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "3"]
[White "Diachek, Andriy"]
[Black "Sahib, Singh"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2146"]
[BlackElo "2430"]
[PlyCount "34"]
[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. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 Bxc3 5. dxc3 d6 6. Nf3 Nc6 7. 0-0 0-0 8. Qb3 Rb8 9. Rd1 Qe7 10. Bg5 Be6 11. Nd2 h6 12. Bxf6 Qxf6 13. Nf1 Na5 14. Qa4 Nxc4 15. Qxa7 Nxb2 16. Rdb1 Nc4 17. Rxb7 Ra8 0-1

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "9"]
[White "Diachek, Andriy"]
[Black "Tisma, Ivan"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2146"]
[BlackElo "1967"]
[PlyCount "91"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h4 e5 7. Nb3 Be6 8. f4 Qc7 9. f5 Bc4 10. Bg5 Nbd7 11. g4 h6 12. Bxf6 Nxf6 13. Qf3 Bxf1 14. Rxf1 0-0-0 15. 0-0-0 Be7 16. Kb1 Kb8 17. g5 hxg5 18. hxg5 Nh5 19. Nd5 Qd7 20. f6 gxf6 21. gxf6 Bf8 22. Rh1 Bh6 23. Rxh5 Rdg8 24. Qh3 Qxh3 25. Rxh3 Bf4 26. Nxf4 exf4 27. Rxh8 Rxh8 28. a3 Rh6 29. Nd4 Rxf6 30. Rf1 Kc7 31. c3 Kd7 32. Kc2 Kc7 33. Kd3 Kd7 34. Nf5 Ke6 35. Rxf4 Ke5 36. Rh4 d5 37. Nd4 dxe4+ 38. Rxe4+ Kd5 39. Re3 Rf2 40. b3 Kd6 41. Rf3 Ra2 42. Rxf7 b5 43. Rf6+ Kc5 44. Rxa6 Kd5 45. Nxb5 Kc5 46. c4 1-0

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "9"]
[White "Diachek, Andriy"]
[Black "Tisma, Ivan"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2146"]
[BlackElo "1967"]
[PlyCount "91"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h4 e5 7. Nb3 Be6 8. f4 Qc7 9. f5 Bc4 10. Bg5 Nbd7 11. g4 h6 12. Bxf6 Nxf6 13. Qf3 Bxf1 14. Rxf1 0-0-0 15. 0-0-0 Be7 16. Kb1 Kb8 17. g5 hxg5 18. hxg5 Nh5 19. Nd5 Qd7 20. f6 gxf6 21. gxf6 Bf8 22. Rh1 Bh6 23. Rxh5 Rdg8 24. Qh3 Qxh3 25. Rxh3 Bf4 26. Nxf4 exf4 27. Rxh8 Rxh8 28. a3 Rh6 29. Nd4 Rxf6 30. Rf1 Kc7 31. c3 Kd7 32. Kc2 Kc7 33. Kd3 Kd7 34. Nf5 Ke6 35. Rxf4 Ke5 36. Rh4 d5 37. Nd4 dxe4+ 38. Rxe4+ Kd5 39. Re3 Rf2 40. b3 Kd6 41. Rf3 Ra2 42. Rxf7 b5 43. Rf6+ Kc5 44. Rxa6 Kd5 45. Nxb5 Kc5 46. c4 1-0

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "1"]
[White "Diachek, Andriy"]
[Black "Urazayev, Arystanbek"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "2146"]
[BlackElo "2467"]
[PlyCount "56"]
[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. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 Bb7 9. d3 Re8 10. Bd2 b4 11. a5 h6 12. Bc1 Bf8 13. Nbd2 d5 14. exd5 Nxd5 15. Nc4 Nd4 16. Nxd4 exd4 17. Rxe8 Qxe8 18. Bd2 Nf6 19. Qe1 Qc6 20. f3 Qc5 21. Qg3 Re8 22. Re1 Rxe1+ 23. Qxe1 Bd5 24. Qg3 g6 25. h4 Bg7 26. Kh2 Nh5 27. Qg4 Kh7 28. Ne5 Bxe5+ 0-1

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "1"]
[White "Diachek, Andriy"]
[Black "Urazayev, Arystanbek"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "2146"]
[BlackElo "2467"]
[PlyCount "56"]
[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. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 Bb7 9. d3 Re8 10. Bd2 b4 11. a5 h6 12. Bc1 Bf8 13. Nbd2 d5 14. exd5 Nxd5 15. Nc4 Nd4 16. Nxd4 exd4 17. Rxe8 Qxe8 18. Bd2 Nf6 19. Qe1 Qc6 20. f3 Qc5 21. Qg3 Re8 22. Re1 Rxe1+ 23. Qxe1 Bd5 24. Qg3 g6 25. h4 Bg7 26. Kh2 Nh5 27. Qg4 Kh7 28. Ne5 Bxe5+ 0-1

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "6"]
[White "Rian, Kapriaga"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2096"]
[BlackElo "2146"]
[PlyCount "73"]
[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. d4 b6 2. Nf3 Bb7 3. c4 g6 4. Nc3 Bg7 5. e3 d6 6. Be2 Nd7 7. 0-0 e6 8. d5 e5 9. e4 Ne7 10. b4 0-0 11. a4 a5 12. bxa5 Rxa5 13. Bd2 Nc5 14. Qc2 Bc8 15. Nb5 Ra8 16. a5 f5 17. axb6 Rxa1 18. Rxa1 cxb6 19. Ng5 h6 20. Ne6 Nxe6 21. dxe6 Bxe6 22. Bb4 Nc8 23. Rd1 Qg5 24. Bf1 f4 25. Nxd6 Na7 26. Nb5 Nxb5 27. cxb5 Rc8 28. Qd2 Bf6 29. Qd6 Bg4 30. Qxb6 Bxd1 31. Qe6+ Kg7 32. Qxc8 Bf3 33. Qf8+ Kh7 34. Qf7+ Kh8 35. g3 fxg3 36. hxg3 Bg7 37. Qxf3 1-0

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "6"]
[White "Rian, Kapriaga"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2096"]
[BlackElo "2146"]
[PlyCount "73"]
[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. d4 b6 2. Nf3 Bb7 3. c4 g6 4. Nc3 Bg7 5. e3 d6 6. Be2 Nd7 7. 0-0 e6 8. d5 e5 9. e4 Ne7 10. b4 0-0 11. a4 a5 12. bxa5 Rxa5 13. Bd2 Nc5 14. Qc2 Bc8 15. Nb5 Ra8 16. a5 f5 17. axb6 Rxa1 18. Rxa1 cxb6 19. Ng5 h6 20. Ne6 Nxe6 21. dxe6 Bxe6 22. Bb4 Nc8 23. Rd1 Qg5 24. Bf1 f4 25. Nxd6 Na7 26. Nb5 Nxb5 27. cxb5 Rc8 28. Qd2 Bf6 29. Qd6 Bg4 30. Qxb6 Bxd1 31. Qe6+ Kg7 32. Qxc8 Bf3 33. Qf8+ Kh7 34. Qf7+ Kh8 35. g3 fxg3 36. hxg3 Bg7 37. Qxf3 1-0

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "4"]
[White "Vila Dupla, Aurelio"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2056"]
[BlackElo "2146"]
[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. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. b3 b5 8. Be2 Bb7 9. Bb2 Nbd7 10. Nbd2 Be7 11. dxc5 Nxc5 12. Ne5 0-0 13. Bf3 Nd5 14. Ne4 Nxe4 15. Bxe4 Bf6 16. Qf3 Qc7 17. Rac1 Qd6 18. Nd3 Bxb2 19. Nxb2 Rac8 20. Rfd1 Qa3 21. Nd3 f5 22. Bxd5 Bxd5 23. Qf4 Qxa2 24. Nb4 Qxb3 25. Nxd5 Qxd5 26. h3 Qe4 27. Qd6 Rxc1 28. Rxc1 Qd5 29. Qxa6 b4 30. Rb1 b3 31. Qb6 f4 32. exf4 Rxf4 33. Qxb3 Qf5 34. Rf1 Qf6 35. Qe3 h6 36. Re1 Kf7 37. Re2 Rf5 38. f3 Rd5 39. Qa7+ Kg6 40. Qe3 Rd1+ 41. Kh2 Rd6 42. Qe4+ Qf5 43. Qxf5+ Kxf5 44. Rf2 e5 45. Rc2 Rd5 46. Re2 g5 47. Re4 Rd4 48. Re2 Kf4 49. Ra2 Rd1 50. Re2 Rd4 51. Rb2 e4 52. fxe4 Rxe4 53. Rb6 h5 54. Rf6+ Ke5 55. Rh6 Rh4 56. Ra6 Kf5 57. Ra5+ Kg6 58. Ra6+ Kf5 59. Ra5+ Kf6 60. Ra6+ Ke5 61. Ra5+ Kf6 62. Ra6+ Kf5 1/2-1/2

[Event "Titled Tuesday intern op 11th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.11"]
[Round "4"]
[White "Vila Dupla, Aurelio"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2056"]
[BlackElo "2146"]
[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. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. b3 b5 8. Be2 Bb7 9. Bb2 Nbd7 10. Nbd2 Be7 11. dxc5 Nxc5 12. Ne5 0-0 13. Bf3 Nd5 14. Ne4 Nxe4 15. Bxe4 Bf6 16. Qf3 Qc7 17. Rac1 Qd6 18. Nd3 Bxb2 19. Nxb2 Rac8 20. Rfd1 Qa3 21. Nd3 f5 22. Bxd5 Bxd5 23. Qf4 Qxa2 24. Nb4 Qxb3 25. Nxd5 Qxd5 26. h3 Qe4 27. Qd6 Rxc1 28. Rxc1 Qd5 29. Qxa6 b4 30. Rb1 b3 31. Qb6 f4 32. exf4 Rxf4 33. Qxb3 Qf5 34. Rf1 Qf6 35. Qe3 h6 36. Re1 Kf7 37. Re2 Rf5 38. f3 Rd5 39. Qa7+ Kg6 40. Qe3 Rd1+ 41. Kh2 Rd6 42. Qe4+ Qf5 43. Qxf5+ Kxf5 44. Rf2 e5 45. Rc2 Rd5 46. Re2 g5 47. Re4 Rd4 48. Re2 Kf4 49. Ra2 Rd1 50. Re2 Rd4 51. Rb2 e4 52. fxe4 Rxe4 53. Rb6 h5 54. Rf6+ Ke5 55. Rh6 Rh4 56. Ra6 Kf5 57. Ra5+ Kg6 58. Ra6+ Kf5 59. Ra5+ Kf6 60. Ra6+ Ke5 61. Ra5+ Kf6 62. Ra6+ Kf5 1/2-1/2

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "3"]
[White "Ambartsumova, Karina"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2405"]
[BlackElo "2146"]
[PlyCount "31"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. e3 Nc6 4. b4 dxe3 5. fxe3 Nxb4 6. d4 e5 7. Nxe5 Qh4+ 8. g3 Qe4 9. Rg1 Nc2+ 10. Kf2 Nxa1 11. Bd3 Bg4 12. Qa4+ b5 13. Qxb5+ c6 14. Qa4 Nf6 15. Bxe4 Nxe4+ 16. Kg2 1-0

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "10"]
[White "Diachek, Andriy"]
[Black "Adu, Oladapo"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2146"]
[BlackElo "2076"]
[PlyCount "82"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. c4 c6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Bf5 5. 0-0 e6 6. b3 h6 7. Bb2 Nbd7 8. d3 Bc5 9. Qc2 Rc8 10. Nbd2 0-0 11. e4 Bh7 12. e5 Ne8 13. Qc3 a5 14. d4 Bb4 15. Qe3 b6 16. a3 Be7 17. h4 Nc7 18. Rac1 c5 19. Qf4 f6 20. Qe3 fxe5 21. Nxe5 Nxe5 22. Qxe5 Bf6 23. Qe3 Re8 24. Ba1 Na6 25. dxc5 d4 26. Qe2 Nxc5 27. Ne4 Nxb3 28. Rb1 Nxa1 29. Rxa1 d3 30. Nxf6+ Qxf6 31. Qa2 Kh8 32. Rab1 Qd4 33. Qb3 e5 34. Qxb6 Qxb6 35. Rxb6 Rxc4 36. Rb5 a4 37. Bd5 Rd4 38. Bc6 Rc8 39. Bf3 e4 40. Bd1 Rc1 41. Kg2 Bg8 0-1

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "6"]
[White "Diachek, Andriy"]
[Black "Fabris, Alberto"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2146"]
[BlackElo "2230"]
[PlyCount "241"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. d3 0-0 7. Nc3 Nd4 8. Nxd4 cxd4 9. Ne2 e5 10. Bc4 d5 11. exd5 Nxd5 12. Ng3 f5 13. f4 exf4 14. Bxf4 Kh8 15. Qf3 Nxf4 16. Qxf4 Qb6 17. Bb3 Bd7 18. Re7 Bc6 19. Rae1 Qd8 20. R7e6 Qd7 21. Qh4 Rae8 22. Re7 Rxe7 23. Qxe7 Qxe7 24. Rxe7 Bf6 25. Re6 Kg7 26. Ne2 Re8 27. Nf4 Rxe6 28. Nxe6+ Kf7 29. Nxd4+ Ke7 30. Nxc6+ bxc6 31. c3 h6 32. Kf2 Kd6 33. h3 c5 34. Bg8 g5 35. Ke3 Ke5 36. d4+ cxd4+ 37. cxd4+ Kd6 38. Bh7 Ke6 39. Bg8+ Kd6 40. Kd3 Bg7 41. Kc4 Bf6 42. b4 Bd8 43. a4 Bb6 44. a5 Bd8 45. Bh7 f4 46. Bf5 Bc7 47. Bh7 Bd8 48. Bg8 Bc7 49. Kd3 Bd8 50. Ke4 Be7 51. Bd5 Kd7 52. b5 Bd8 53. a6 Bb6 54. Bc4 Kd6 55. Bf7 Ke7 56. Bc4 Kf6 57. Bg8 Ke7 58. Kd5 Kf6 59. Be6 Ke7 60. Bg4 Kf6 61. Kc4 Ke7 62. Kd5 Kf6 63. Ke4 Ke7 64. Ke5 Bc7+ 65. Kf5 Bb6 66. Kg6 Bxd4 67. Kxh6 Kf6 68. Kh7 Bc5 69. Kh6 Bb6 70. Kh5 Bc5 71. h4 gxh4 72. Kxh4 Ke5 73. Bc8 Ke4 74. Kg4 Ke3 75. Bb7 Bb6 76. Kf5 Bc5 77. Ke6 Bb6 78. Kd6 Bd4 79. Kc6 Bb6 80. Kd5 Bd4 81. Bc8 Bb6 82. Bb7 Kf2 83. Ke5 Kg3 84. Kf5 Be3 85. Bf3 Bb6 86. Ke4 Bc5 87. Kd5 Bb6 88. Kc6 Bf2 89. Kb7 Bb6 90. Kb8 Bf2 91. Be4 Be3 92. Bf3 Bf2 93. Kc7 Be3 94. Kd7 Bf2 95. Ke7 Be3 96. Kf7 Bf2 97. Kg6 Be3 98. Kh7 Bf2 99. Kg8 Be3 100. Kf7 Bf2 101. Ke8 Be3 102. Kd7 Bf2 103. Kc8 Be3 104. Kb7 Bf2 105. b6 Bxb6 106. Kc6 Bf2 107. Kd7 Bg1 108. Kc8 Bf2 109. Kb7 Bg1 110. Ka8 Bf2 111. Kb7 Bg1 112. Kc8 Bf2 113. Kd7 Bg1 114. Ke8 Bf2 115. Kf7 Bg1 116. Kg8 Bf2 117. Kf7 Bg1 118. Kg8 Bf2 119. Kh7 Bg1 120. Kg6 Bf2 121. Kf7 1/2-1/2

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "2"]
[White "Diachek, Andriy"]
[Black "Rudnicki, Milosz"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2146"]
[BlackElo "2163"]
[PlyCount "51"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 0-0 9. 0-0 b5 10. Bd3 e5 11. Ne4 Qc7 12. Nxf6+ gxf6 13. Bxh7+ Kg7 14. Be4 Bb7 15. Nh4 Rh8 16. Nf5+ Kf8 17. h3 Re8 18. a4 exd4 19. axb5 Rxe4 20. Nxd6 Reh4 21. Nxb7 Rxh3 22. gxh3 Rxh3 23. f4 dxe3 24. Qxc6 Qb8 25. Qd6+ Qxd6 26. Nxd6 1-0

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "9"]
[White "Diachek, Andriy"]
[Black "Safarullakhan, Safin"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2146"]
[BlackElo "2075"]
[PlyCount "89"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. b3 b6 7. Bb2 Bb7 8. cxd5 Bxd5 9. Nc3 Bb7 10. Qc2 c5 11. a3 Nc6 12. e3 Rc8 13. Rfd1 Qc7 14. Ng5 Ne5 15. Nb5 Qb8 16. Bxb7 Qxb7 17. Bxe5 g6 18. Nd6 Bxd6 19. Bxf6 e5 20. Qe4 Qd7 21. Nxh7 Rfe8 22. Qh4 Qf5 23. g4 Qf3 24. Nf8 Qxf6 25. Qxf6 Bxf8 26. e4 Bg7 27. Qf3 Rcd8 28. d3 Rd4 29. Qe2 Red8 30. f3 Bh6 31. Rab1 Bf4 32. h3 g5 33. Kg2 R8d6 34. Qc2 Rc6 35. b4 c4 36. dxc4 Rdxc4 37. Qd3 Rc2+ 38. Kg1 R6c3 39. Qd8+ Kg7 40. Rd3 Rc4 41. h4 Re2 42. hxg5 Rcc2 43. Qf6+ Kh7 44. Qxf7+ Kh8 45. Rd8# 1-0

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "4"]
[White "Diachek, Andriy"]
[Black "Tejaswini, G."]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2146"]
[BlackElo "2272"]
[PlyCount "94"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 g6 6. Bd3 Bg7 7. Nbd2 Nd7 8. Nc4 Nc5 9. Ke2 Nxd3 10. cxd3 Be6 11. Be3 Bxc4 12. dxc4 Nf6 13. Nd2 Ng4 14. Rad1 Nxe3 15. Kxe3 0-0-0 16. b3 Rd7 17. Nf3 Rhd8 18. Rxd7 Rxd7 19. g4 c5 20. h4 h6 21. Ne1 Bd4+ 22. Ke2 Rd6 23. Nd3 Ra6 24. a4 Rb6 25. Rb1 Re6 26. f3 Rb6 27. Nf4 e6 28. Nd3 a6 29. f4 Rd6 30. e5 Rc6 31. Kf3 b5 32. axb5 axb5 33. cxb5 Rb6 34. Rc1 Rxb5 35. b4 Kc7 36. Nxc5 Bxc5 37. Rxc5+ Rxc5 38. bxc5 Kc6 39. h5 gxh5 40. gxh5 Kxc5 41. Ke4 Kc4 42. f5 Kc3 43. fxe6 fxe6 44. Ke3 Kc4 45. Ke4 Kc5 46. Kf3 Kd5 47. Kf4 Kd4 0-1

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "8"]
[White "Kakavand, Ramtin1"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2106"]
[BlackElo "2146"]
[PlyCount "39"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Nf3 Bb4 5. Bd3 Nf6 6. e5 Ne4 7. Bd2 Nxd2 8. Qxd2 c5 9. a3 Bxc3 10. bxc3 Nc6 11. 0-0 d6 12. exd6 Qxd6 13. Qg5 cxd4 14. cxd4 Nxd4 15. Nxd4 Qxd4 16. Rad1 Kf8 17. Be4 Qf6 18. Qxf6 gxf6 19. Bxb7 Rb8 20. Rd7 1-0

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "11"]
[White "Leiva Rodriguez, Jeammarco Giuseppe"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2387"]
[BlackElo "2146"]
[PlyCount "82"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nf3 Be7 8. Bc4 0-0 9. Bg5 Be6 10. Qe2 Nc6 11. 0-0-0 Na5 12. Bb3 Nxb3+ 13. cxb3 Qc7 14. Bxf6 Bxf6 15. Kb1 Rac8 16. Nh2 Be7 17. Ng4 f5 18. exf5 Bxf5+ 19. Ka1 Be6 20. Ne3 Qc5 21. Rd2 Bg5 22. Rhd1 Rxf2 23. Qxf2 Bxe3 24. Qe2 Bxd2 25. Qxd2 d5 26. g4 d4 27. Ne4 Qc2 28. Qe1 Bd5 29. Nd6 Rc6 30. Nf5 Rc7 31. Nxd4 Qc5 32. Ne2 h6 33. Nc3 Bf3 34. Rd8+ Kh7 35. Qb1+ e4 36. Nxe4 Qc1 37. Nd2+ Qxb1+ 38. Kxb1 Be2 39. a3 Bd1 40. Ka2 Bc2 41. Rd4 Kg6 0-1

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "1"]
[White "Talibov, Shiroghlan"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2431"]
[BlackElo "2146"]
[PlyCount "101"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 h6 5. Bxf6 Qxf6 6. Nbd2 b6 7. Bd3 Bb7 8. c3 d6 9. Bb5+ Bc6 10. Qa4 Bxb5 11. Qxb5+ Nd7 12. 0-0 Qd8 13. a4 Be7 14. a5 a6 15. Qc6 b5 16. dxc5 dxc5 17. Ne4 Qc8 18. Qxc8+ Rxc8 19. Rfd1 Nf6 20. Nd6+ Bxd6 21. Rxd6 Ra8 22. Rad1 Ke7 23. Ne5 Rhc8 24. f3 Rc7 25. e4 Ke8 26. Rb6 Nd7 27. Rxd7 Rxd7 28. Nxd7 Kxd7 29. Rb7+ Ke8 30. Kf2 c4 31. Ke3 e5 32. g3 g5 33. g4 Kf8 34. h3 Kg7 35. Rb6 Kf8 36. Rxh6 Ke7 37. Rb6 f6 38. Ke2 Rh8 39. Kf2 Rxh3 40. Kg2 Rh8 41. Rxa6 Rd8 42. b4 cxb3 43. Rb6 Rd2+ 44. Kg3 Rd3 45. a6 Rxc3 46. a7 b2 47. a8Q b1Q 48. Rb7+ Ke6 49. Qe8+ Kd6 50. Qe7+ Kc6 51. Qc7# 1-0

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "5"]
[White "Tisma, Ivan"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1967"]
[BlackElo "2146"]
[PlyCount "90"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Nf6 4. 0-0 Bg4 5. h3 Bh5 6. d4 e6 7. c4 dxc4 8. Ne5 Bg6 9. Nc3 Bb4 10. Nxc4 Bxc3 11. bxc3 Be4 12. Qb3 Bxg2 13. Kxg2 Qd5+ 14. f3 b5 15. Na5 Qd8 16. Qa3 Nd5 17. Nb7 Qe7 18. Qxe7+ Kxe7 19. Bd2 Nd7 20. e4 N5b6 21. Bf4 Nc4 22. a4 a6 23. Rf2 f6 24. h4 Ra7 25. Nc5 Nxc5 26. dxc5 e5 27. Bc1 Rd7 28. Rc2 Na5 29. Rb1 Nc4 30. Kf2 Rc8 31. Ke2 Ke6 32. f4 Rcd8 33. axb5 axb5 34. Ra1 Rd1 35. Bb2 Rxa1 36. Bxa1 Ra8 37. Bb2 Ra2 38. f5+ Ke7 39. g4 Rxb2 40. Kd3 Rxc2 41. Kxc2 Kd7 42. g5 Ke7 43. Kd3 fxg5 44. hxg5 h5 45. Ke2 Nb2 0-1

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "7"]
[White "Williams, Peter A"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "2238"]
[BlackElo "2146"]
[PlyCount "128"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 g6 3. d3 Bg7 4. c3 c5 5. Qc2 Nc6 6. e4 Bg4 7. Be2 Nf6 8. e5 Nd7 9. Be3 h5 10. Nbd2 e6 11. h3 Bxf3 12. Nxf3 Rc8 13. d4 Qa5 14. 0-0 cxd4 15. Nxd4 Nxd4 16. Bxd4 Bf8 17. Qd2 Bc5 18. a3 Bxd4+ 19. Qxd4 Qc5 20. Rac1 Qxd4+ 21. cxd4 Ke7 22. b4 Nb6 23. Kf2 a6 24. Ke3 Kd7 25. Kd2 Rcg8 26. Ke3 Nc8 27. Rh1 g5 28. g4 Ne7 29. a4 gxf4+ 30. Kxf4 Nc6 31. Ke3 Nxb4 32. gxh5 Rg3+ 33. Kf2 Rhg8 34. Rcg1 Rxg1 35. Rxg1 Rxg1 36. Kxg1 Ke7 37. Kf2 Nc2 38. h6 Kf8 39. Bd3 Nxd4 40. h7 Kg7 41. h4 Nf5 42. Bxf5 exf5 43. h8N Kxh8 44. Ke3 Kg7 45. Kd4 f4 46. Kd3 Kg6 47. Ke2 d4 48. Kf3 d3 49. Kf2 Kh5 50. Ke1 f3 51. Kd2 f2 52. Kxd3 f1Q+ 53. Kd4 Kxh4 54. Kc5 Qb1 55. e6 fxe6 56. a5 Qb5+ 57. Kd6 Qd5+ 58. Ke7 e5 59. Kf6 e4 60. Kg7 Qxa5 61. Kf6 e3 62. Ke6 e2 63. Kd6 e1B 64. Kd7 Qc5 0-1

[Event "Titled Tuesday intern op 28th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.28"]
[Round "11"]
[White "Boci, Mateo"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "B55"]
[WhiteElo "2312"]
[BlackElo "2104"]
[PlyCount "119"]
[EventDate "2025.01.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 Be7 7. c4 Be6 8. Nc3 Qc7 9. Nd5 Nxd5 10. cxd5 Bd7 11. Be2 f5 12. 0-0 0-0 13. Be3 Na6 14. Rc1 Nc5 15. Nxc5 dxc5 16. b4 b6 17. bxc5 bxc5 18. Qb3 Rab8 19. d6+ Rxb3 20. dxc7 Rxe3 21. Bc4+ Kh8 22. Rfd1 Bc6 23. Ba6 fxe4 24. c8Q Rxc8 25. Bxc8 exf3 26. gxf3 g6 27. Re1 Bg5 28. Rcd1 Bxf3 29. Rd8+ Kg7 30. Rxe3 Bxe3+ 31. Kf1 Bd4 32. Ba6 e4 33. Be2 g5 34. Bxf3 exf3 35. Rd7+ Kg6 36. Rxa7 h5 37. a4 g4 38. Ra8 h4 39. Rg8+ Kf5 40. a5 Kf4 41. a6 c4 42. Rf8+ Ke3 43. Re8+ Kf4 44. Rf8+ Ke3 45. Rd8 Bb6 46. Rd6 Ba7 47. Rd7 Bc5 48. a7 Bxa7 49. Rxa7 g3 50. hxg3 hxg3 51. Ra3+ Kd2 52. Rxf3 c3 53. Rf8 c2 54. Rd8+ Kc3 55. Rc8+ Kb2 56. Rb8+ Kc3 57. Kg2 c1Q 58. Rc8+ Kd2 59. Rxc1 Kxc1 60. Kxg3 1/2-1/2

