[Event "Warsaw Najdorf Memorial op-A 22nd"]
[Site "Warsaw"]
[Date "2025.07.16"]
[Round "9"]
[White "Siennicki, Gustaw"]
[Black "Borowy, Cezary"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2060"]
[BlackElo "2053"]
[PlyCount "94"]
[EventDate "2025.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 g6 3. e4 Bg7 4. Nbd2 e5 5. c3 Nc6 6. dxe5 dxe5 7. Qc2 Nge7 8. Be2 0-0 9. h4 h6 10. Nc4 f5 11. Ne3 f4 12. Bc4+ Kh7 13. Nd5 Na5 14. Bd3 Be6 15. c4 c6 16. Nxe7 Qxe7 17. Bd2 b6 18. Bxa5 bxa5 19. c5 Rab8 20. b3 Rfd8 21. Bc4 Qxc5 22. Ng5+ hxg5 23. hxg5+ Bh6 24. Rc1 Qb4+ 25. Qc3 Bxc4 26. Rxh6+ Kg7 27. bxc4 Qxc3+ 28. Rxc3 Rb1+ 29. Ke2 Rb2+ 30. Ke1 Rdd2 31. Rb3 Re2+ 32. Kd1 Rxf2 33. Rxb2 Rxb2 34. Rh3 Rxa2 35. Rb3 Rxg2 36. Rb7+ Kf8 37. Rxa7 Rxg5 38. Rxa5 Ke7 39. c5 Kd7 40. Ra7+ Kd8 41. Rg7 Rg3 42. Kd2 Re3 43. Rxg6 Kc7 44. Rg7+ Kc8 45. Rg8+ Kb7 46. Rg7+ Ka6 47. Rg8 Kb5 0-1

[Event "Warsaw Najdorf Memorial op-A 22nd"]
[Site "Warsaw"]
[Date "2025.07.15"]
[Round "8"]
[White "Witczak, Borys"]
[Black "Siennicki, Gustaw"]
[Result "1-0"]
[ECO "E46"]
[WhiteElo "2037"]
[BlackElo "2060"]
[PlyCount "69"]
[EventDate "2025.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd2 Re8 6. Nf3 d5 7. Rc1 a6 8. a3 Bf8 9. Qc2 Nbd7 10. b4 c6 11. Bd3 b5 12. cxd5 exd5 13. Ne2 Bb7 14. Ng5 g6 15. Ng3 Nb6 16. h4 Bd6 17. h5 Bxg3 18. hxg6 Bxf2+ 19. Kf1 fxg6 20. Bxg6 Ne4 21. Bxh7+ Kg7 22. Nxe4 dxe4 23. Kxf2 Qf6+ 24. Ke2 Nc4 25. Bc3 Nxe3 26. Kxe3 Qg5+ 27. Kf2 Rf8+ 28. Ke1 Qe3+ 29. Kd1 Rf2 30. Qxe4 Qxe4 31. Bxe4 Bc8 32. Bf3 Ra2 33. Ra1 Rxa1+ 34. Bxa1 Bf5 35. Bxc6 1-0

[Event "Warsaw Najdorf Memorial op-A 22nd"]
[Site "Warsaw"]
[Date "2025.07.14"]
[Round "7"]
[White "Siennicki, Gustaw"]
[Black "Cornelisse, Lorelei"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2060"]
[BlackElo "2129"]
[PlyCount "74"]
[EventDate "2025.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 Qb6 5. Qc2 g6 6. Nf3 Bf5 7. dxc5 Qxc5 8. Qb3 0-0-0 9. Bb5 f6 10. Nd4 e5 11. Nxc6 bxc6 12. Ba6+ Kd7 13. e4 Bxe4 14. Be3 Qa5 15. Be2 Bxg2 16. Rg1 Bh3 17. Nd2 Bd6 18. Rd1 Ne7 19. a4 Nf5 20. Qc2 Ke7 21. b4 Qc7 22. Nf1 Rhe8 23. Bc1 e4 24. Ng3 Nh4 25. Nxe4 Bxh2 26. Nxf6 Bxg1 27. Nxe8 Qe5 28. Rd3 Ng2+ 29. Kd1 Bf5 30. Bg5+ Kxe8 31. Bxd8 Kxd8 32. Qd2 Bxd3 33. Bxd3 Qf4 34. Qe2 Qxf2 35. Qe6 Ne3+ 36. Kc1 Qe1+ 37. Kb2 Nd1+ 1/2-1/2

[Event "Warsaw Najdorf Memorial op-A 22nd"]
[Site "Warsaw"]
[Date "2025.07.13"]
[Round "6"]
[White "Suska, Szymon"]
[Black "Siennicki, Gustaw"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2170"]
[BlackElo "2060"]
[PlyCount "68"]
[EventDate "2025.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. b3 b6 4. Bb2 Bb7 5. e3 Be7 6. Nc3 d6 7. Be2 Nbd7 8. d4 0-0 9. Qc2 a6 10. 0-0 Re8 11. e4 Bf8 12. e5 Nh5 13. Bc1 g6 14. Ne4 d5 15. cxd5 exd5 16. Neg5 Ng7 17. Qd2 Ne6 18. Nxe6 Rxe6 19. Ng5 Re8 20. Bg4 h6 21. e6 hxg5 22. exd7 Re4 23. Bf3 Re7 24. Qxg5 Rxd7 25. Qg3 Qf6 26. Bf4 Bd6 27. Be5 Bxe5 28. dxe5 Qe7 29. Rfe1 c5 30. e6 Rdd8 31. h4 Kg7 32. h5 Re8 33. Bxd5 Bxd5 34. Qe5+ Qf6 1-0

[Event "Warsaw Najdorf Memorial op-A 22nd"]
[Site "Warsaw"]
[Date "2025.07.12"]
[Round "5"]
[White "Siennicki, Gustaw"]
[Black "Zysko, Jan"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "2060"]
[BlackElo "2146"]
[PlyCount "125"]
[EventDate "2025.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 dxc4 5. Qxc4 Bf5 6. Nbd2 e6 7. g3 Be7 8. Bg2 Nbd7 9. 0-0 0-0 10. Qb3 Nb6 11. a4 a5 12. Rd1 h6 13. Ne5 Bb4 14. Ndc4 Nxc4 15. Qxc4 Qe7 16. Nd3 Bd6 17. f3 Bxd3 18. Rxd3 Nd5 19. Rd1 Nb4 20. e4 Rfd8 21. Be3 Rac8 22. Rac1 Bc7 23. Bf2 Bb6 24. f4 Rc7 25. Rd2 Rcd7 26. Rcd1 Kh8 27. Bf3 Qf6 28. Kg2 Qg6 29. Qc3 f5 30. d5 Bxf2 31. dxe6 Rxd2 32. Rxd2 Rxd2 33. Qxd2 Bc5 34. Qd8+ Kh7 35. e7 Bxe7 36. Qxe7 Qf6 37. Qxf6 gxf6 38. exf5 Nd3 39. b3 Nc5 40. Bd1 Kg7 41. g4 b5 42. Kf3 bxa4 43. bxa4 Nd7 44. h4 Nb6 45. g5 c5 46. Ke4 Nc4 47. Kd5 Ne3+ 48. Ke6 c4 49. Bf3 c3 50. Be4 hxg5 51. fxg5 fxg5 52. hxg5 c2 53. Bxc2 Nxc2 54. Ke7 Nd4 55. f6+ Kg6 56. Kd6 Nf3 57. Kc5 Nxg5 58. Kb5 Kxf6 59. Kxa5 Ke6 60. Kb6 Kd7 61. Kb7 Ne6 62. a5 Nc5+ 63. Kb6 1/2-1/2

[Event "Warsaw Najdorf Memorial op-A 22nd"]
[Site "Warsaw"]
[Date "2025.07.11"]
[Round "4"]
[White "Goderdzishvili, Giga"]
[Black "Siennicki, Gustaw"]
[Result "0-1"]
[ECO "B17"]
[WhiteElo "2158"]
[BlackElo "2060"]
[PlyCount "132"]
[EventDate "2025.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. c3 c5 8. Be2 Be7 9. 0-0 0-0 10. a4 Qc7 11. a5 Rd8 12. Qa4 Nf8 13. Rd1 Bd7 14. Qb3 Ng6 15. Bg5 Bc6 16. a6 b6 17. c4 Nf4 18. Bf1 h6 19. Bxf4 Qxf4 20. Ne5 Be8 21. Ne2 Qf5 22. Qd3 Ne4 23. Nf3 cxd4 24. Nexd4 Rxd4 25. Nxd4 Qxf2+ 26. Kh1 Qf4 27. Qf3 Qxf3 28. Nxf3 Nf2+ 29. Kg1 Nxd1 30. Rxd1 Bc5+ 31. Kh1 f6 32. g4 Kf8 33. Bg2 Bc6 34. Nh4 Bxg2+ 35. Kxg2 Ke8 36. Re1 e5 37. Nf5 Kf7 38. Rd1 g6 39. Nxh6+ Ke6 40. h4 Bf8 41. g5 Bxh6 42. gxh6 Rh8 43. Kg3 Rxh6 44. Rd8 g5 45. hxg5 Rg6 46. Re8+ Kd6 47. Rd8+ Kc5 48. Rc8+ Kd4 49. Rc7 Rxg5+ 50. Kf2 e4 51. Rd7+ Kxc4 52. Rxa7 Kb5 53. Re7 Kxa6 54. Rxe4 Rb5 55. Ra4+ Kb7 56. Rf4 f5 57. Ke1 Kc6 58. Kd1 Kd6 59. Kc2 Ke5 60. Rh4 Rd5 61. Rh8 f4 62. Kc3 f3 63. Kc4 b5+ 64. Kc3 Ke4 65. Re8+ Re5 66. Rf8 Ke3 0-1

[Event "Warsaw Najdorf Memorial op-A 22nd"]
[Site "Warsaw"]
[Date "2025.07.10"]
[Round "3"]
[White "Siennicki, Gustaw"]
[Black "Szewczyk, Mariusz1"]
[Result "1/2-1/2"]
[ECO "E09"]
[WhiteElo "2060"]
[BlackElo "2201"]
[PlyCount "221"]
[EventDate "2025.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. Qc2 Nbd7 7. 0-0 c6 8. Nbd2 b6 9. e4 Bb7 10. e5 Ne8 11. cxd5 cxd5 12. Re1 a5 13. Nf1 Rc8 14. Qd1 b5 15. h4 Nb6 16. Ng5 h6 17. Nh3 Nc7 18. Qh5 Qe8 19. Nf4 Kh7 20. Ne3 f5 21. exf6 Bxf6 22. Qg4 Qf7 23. Nc2 b4 24. Bf1 Ba6 25. Bxa6 Nxa6 26. Rxe6 Bd8 27. Qe2 Bc7 28. Re7 Qxe7 29. Qxe7 Rce8 30. Nxd5 Rxe7 31. Nxe7 Bd6 32. Nc6 Rc8 33. d5 Nxd5 34. N2d4 Bc5 35. Bd2 Bxd4 36. Nxd4 Rc4 37. Nf3 Rc2 38. Bc1 Nc5 39. Ne1 Rc4 40. Bd2 Rd4 41. Nf3 Rd3 42. Kg2 Ne4 43. Be1 a4 44. Rc1 a3 45. bxa3 Rxa3 46. Rc4 Nec3 47. Bxc3 bxc3 48. Ne5 Rxa2 49. Kf3 Rd2 50. h5 c2 51. g4 Nb4 52. Ng6 Kg8 53. Ne5 Kf8 54. Nc6 Rd1 55. Nxb4 c1Q 56. Rxc1 Rxc1 57. Nd3 Ra1 58. Ke4 Ke7 59. Kf5 Ra6 60. f4 Rf6+ 61. Ke5 Rf8 62. g5 Rd8 63. Nb4 Rd1 64. Nd5+ Kf7 65. g6+ Kf8 66. f5 Rh1 67. Nf4 Re1+ 68. Kd6 Re4 69. Ne6+ Kg8 70. Ke7 Re5 71. f6 gxf6 72. Kxf6 Rxh5 73. Ng7 Rh1 74. Nf5 Rf1 75. g7 Kh7 76. g8Q+ Kxg8 77. Kg6 Rg1+ 78. Kxh6 Kf7 79. Kh5 Kf6 80. Ne3 Ke5 81. Ng4+ Kf4 82. Nh6 Rg5+ 83. Kh4 Ra5 84. Ng4 Ra1 85. Nf2 Kf3 86. Nd3 Ra5 87. Ne1+ Kf2 88. Nd3+ Ke3 89. Ne1 Ra8 90. Ng2+ Kf3 91. Ne1+ Kf2 92. Nd3+ Ke3 93. Ne5 Kf4 94. Ng6+ Kf5 95. Ne7+ Kf6 96. Nd5+ Ke5 97. Ne3 Rg8 98. Kh5 Rg3 99. Ng4+ Kf4 100. Nh6 Rg5+ 101. Kh4 Rb5 102. Ng4 Kf3 103. Nh2+ Kf4 104. Ng4 Rb3 105. Nf6 Kf5 106. Nd5 Rd3 107. Ne7+ Kf6 108. Ng8+ Kg7 109. Ne7 Kf6 110. Ng8+ Kf5 111. Ne7+ 1/2-1/2

[Event "Warsaw Najdorf Memorial op-A 22nd"]
[Site "Warsaw"]
[Date "2025.07.09"]
[Round "2"]
[White "Arnold, Rhys"]
[Black "Siennicki, Gustaw"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2256"]
[BlackElo "2060"]
[PlyCount "103"]
[EventDate "2025.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. c3 Nd7 7. 0-0 h6 8. Na3 Bh7 9. Nc2 Qc7 10. Nce1 g5 11. Nd3 Bg7 12. Nfe1 c5 13. Bd2 0-0 14. Nc2 c4 15. Nde1 f6 16. exf6 Nxf6 17. Ne3 Ng6 18. Ng4 Rae8 19. Nxf6+ Rxf6 20. g3 e5 21. dxe5 Nxe5 22. Be3 Qf7 23. Qd2 Be4 24. Rd1 Nf3+ 25. Nxf3 Rxf3 26. Rfe1 Rf8 27. Bf1 b6 28. Bg2 Bd3 29. a4 Kh8 30. a5 Rf6 31. axb6 axb6 32. Ra1 Qb7 33. b3 Be4 34. Bxe4 dxe4 35. bxc4 Rf3 36. Reb1 Qf7 37. Qe2 Bxc3 38. Ra6 Bg7 39. Raxb6 Qh5 40. Qd1 Qh3 41. Rb8 h5 42. Bd4 Kh7 43. Rxf8 Bxf8 44. Rb7+ Kg8 45. Be3 Qe6 46. Qd8 Rf6 47. Qc7 Rh6 48. Bxg5 Rh8 49. Rb6 Qf5 50. Rf6 Rh7 51. Qd8 Qxg5 52. Qxf8# 1-0

[Event "Warsaw Najdorf Memorial op-A 22nd"]
[Site "Warsaw"]
[Date "2025.07.08"]
[Round "1"]
[White "Siennicki, Gustaw"]
[Black "Chomczyk, Marek"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2060"]
[BlackElo "2280"]
[PlyCount "101"]
[EventDate "2025.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. Bg5 b4 5. a3 g6 6. axb4 cxb4 7. Bxf6 exf6 8. Qd4 d6 9. Qxb4 Bg7 10. Qe4+ Qe7 11. Nc3 f5 12. Qxe7+ Kxe7 13. e3 Bb7 14. Nd4 Rc8 15. Kd2 Nd7 16. Ba6 Bxa6 17. Rxa6 Ne5 18. Nc6+ Nxc6 19. dxc6 Ke6 20. Nb5 Rab8 21. c4 Rb6 22. Rxb6 axb6 23. c7 Bxb2 24. Kc2 Bf6 25. Rd1 Be7 26. Rd5 Kd7 27. Kd3 Ra8 28. Ke2 h5 29. Kf3 Rg8 30. Kf4 Ra8 31. Kg3 Ra4 32. Rd4 Ra8 33. f3 Re8 34. e4 fxe4 35. fxe4 Bf8 36. Kf4 f6 37. Rd5 Ra8 38. g4 hxg4 39. Kxg4 Ra2 40. h4 Rg2+ 41. Kh3 Re2 42. h5 Re3+ 43. Kg2 Rxe4 44. Kf3 Rxc4 45. hxg6 Rc5 46. g7 Bxg7 47. Rxd6+ Kc8 48. Rd8+ Kb7 49. c8Q+ Rxc8 50. Nd6+ Kc7 51. Rxc8+ 1/2-1/2

[Event "Malopolska-ch"]
[Site "Krakow"]
[Date "2025.06.22"]
[Round "7"]
[White "Semenukha, Nikita"]
[Black "Siennicki, Gustaw"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2057"]
[BlackElo "2014"]
[PlyCount "85"]
[EventDate "2025.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 a6 5. Bd3 Bxd3 6. cxd3 e6 7. Nc3 Nd7 8. Nf3 Ne7 9. h5 c5 10. dxc5 Nxc5 11. d4 Nd7 12. Kf1 Nc6 13. Rh3 Qb6 14. Rb1 Bb4 15. Qd3 Ne7 16. Kg1 Rc8 17. h6 g6 18. Bg5 Bxc3 19. bxc3 Rxc3 20. Rxb6 Rxd3 21. Rxb7 Nc8 22. Nd2 Rxd4 23. Rc3 Ncb6 24. Rcc7 0-0 25. Rxd7 Nxd7 26. Rxd7 Rc8 27. Nf3 Rdc4 28. Bd8 Kf8 29. Bb6 Rb8 30. Ba7 Ke8 31. Rd6 Rb1+ 32. Kh2 Ra4 33. Bb6 g5 34. Bd8 Rxa2 35. Bf6 Rb8 36. Nxg5 Rxf2 37. Nxh7 Rf4 38. Kg3 Rf1 39. Ng5 Rh1 40. Nh3 Rb3+ 41. Kg4 Rb4+ 42. Kg5 Rf1 43. Rd8# 1-0

[Event "Malopolska-ch"]
[Site "Krakow"]
[Date "2025.06.21"]
[Round "5"]
[White "Siennicki, Gustaw"]
[Black "Dovhan, Artem"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2014"]
[BlackElo "2137"]
[PlyCount "103"]
[EventDate "2025.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Bb4+ 6. Nc3 0-0 7. 0-0 c5 8. dxc5 Nc6 9. Qc2 Qa5 10. Ne4 Nxe4 11. Qxe4 f5 12. Qxc4 Qxc5 13. Qxc5 Bxc5 14. Bf4 Re8 15. Ne5 g5 16. Bxc6 bxc6 17. Bxg5 Ba6 18. Rac1 Bb6 19. Rc2 c5 20. Nd7 Rec8 21. Nxb6 axb6 22. Rd1 Bb5 23. Rd6 Rc6 24. Rd8+ Rxd8 25. Bxd8 Rd6 26. Bc7 Rd1+ 27. Kg2 Re1 28. Kf3 Bc6+ 29. Ke3 Be4 30. Rc3 Rb1 31. Bxb6 Rxb2 32. Bxc5 Rxa2 33. Bd4 Bd5 34. Rc7 h6 35. Rg7+ Kf8 36. Rh7 Bc4 37. Rxh6 Rxe2+ 38. Kf3 e5 39. Be3 Re1 40. Rf6+ Ke7 41. Rxf5 Bd5+ 42. Kg4 Be6 43. Kg5 Bxf5 44. Kxf5 Rb1 45. Kxe5 Rb5+ 46. Kf4 Kf6 47. g4 Rb4+ 48. Kg3 Rb1 49. h4 Rg1+ 50. Kf4 Rh1 51. h5 Ra1 52. Bd4+ 1-0

[Event "Malopolska-ch"]
[Site "Krakow"]
[Date "2025.06.21"]
[Round "6"]
[White "Siennicki, Gustaw"]
[Black "Tymrakiewicz, Rafal"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2014"]
[BlackElo "2206"]
[PlyCount "60"]
[EventDate "2025.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 e6 5. g3 Na6 6. a3 c5 7. cxd5 cxd4 8. dxe6 Bxe6 9. Qa4+ Bd7 10. Qxd4 Bc5 11. Qe5+ Be6 12. Bh3 0-0 13. Bxe6 fxe6 14. 0-0 Qb6 15. h3 Bd6 16. Qxe6+ Kh8 17. Be3 Nc5 18. Bxc5 Qxc5 19. b4 Qc7 20. Kg2 Rae8 21. Qb3 Bxg3 22. Nc3 Nh5 23. Rac1 Bxf2 24. Ne4 Qf4 25. Nxf2 Rxe2 26. Rg1 Re3 27. Qd5 Rxf3 28. Ne4 Rg3+ 29. Nxg3 Qxg3+ 30. Kh1 Qxh3# 0-1

[Event "Malopolska-ch"]
[Site "Krakow"]
[Date "2025.06.20"]
[Round "4"]
[White "Kasperek, Ryszard"]
[Black "Siennicki, Gustaw"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2100"]
[BlackElo "2014"]
[PlyCount "62"]
[EventDate "2025.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. c4 e6 6. Nc3 Ne7 7. Nge2 dxc4 8. Ng3 b5 9. a4 b4 10. Nce4 Bxe4 11. Nxe4 Nf5 12. Bxc4 Qxd4 13. Qxd4 Nxd4 14. 0-0 Nd7 15. Rd1 Nf5 16. g4 Nxe5 17. Ba6 Nxh4 18. f4 Nxg4 19. Bb7 Rd8 20. Bxc6+ Ke7 21. Rf1 f5 22. Nf2 Nxf2 23. Kxf2 Rc8 24. Bh1 Kf6 25. Kg3 g5 26. Bd2 Rc2 27. Rf2 Bd6 28. Rd1 Rxb2 29. Kh3 Rb3+ 30. Kh2 g4 31. Re2 Rh3+ 0-1

[Event "Malopolska-ch"]
[Site "Krakow"]
[Date "2025.06.20"]
[Round "3"]
[White "Siennicki, Gustaw"]
[Black "Lewicki, Miroslaw"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2014"]
[BlackElo "2317"]
[PlyCount "102"]
[EventDate "2025.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. Nc3 dxc4 7. Ne5 c5 8. dxc5 Qxd1+ 9. Nxd1 Bxc5 10. Nxc4 Nc6 11. Bxc6 bxc6 12. Be3 Be7 13. Rc1 c5 14. f3 Ba6 15. Bf2 Nd5 16. Ne5 Rfc8 17. Nc3 f6 18. Nxd5 exd5 19. Nd3 Rab8 20. Rc2 d4 21. b3 c4 22. bxc4 Rb1+ 23. Rc1 Rxc1+ 24. Nxc1 Rxc4 25. 0-0 Bc5 26. Nb3 Bb6 27. Rc1 Rxc1+ 28. Nxc1 Bc4 29. Kf1 Kf7 30. Nb3 a5 31. Ke1 a4 32. Nc1 a3 33. Kd1 Ke6 34. Be1 Bc5 35. Kc2 Kd5 36. Nd3 Bd6 37. Nc1 h5 38. h4 g5 39. g4 gxh4 40. Bxh4 hxg4 41. fxg4 Be7 42. Bf2 Ke4 43. Kd2 Be6 44. Bg1 Bd6 45. Ke1 Bxg4 46. Nb3 Be6 47. Nxd4 Bxa2 48. Nb5 Bb4+ 49. Kd1 Bc4 50. Bd4 f5 51. Bc3 a2 0-1

[Event "Malopolska-ch"]
[Site "Krakow"]
[Date "2025.06.19"]
[Round "2"]
[White "Sygulski, Piotr"]
[Black "Siennicki, Gustaw"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2204"]
[BlackElo "2014"]
[PlyCount "107"]
[EventDate "2025.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "CB26_2025"]
[SourceDate "2025.06.25"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b5 4. Bg2 d5 5. 0-0 Nbd7 6. Nbd2 Bb7 7. a4 b4 8. a5 c5 9. c4 bxc3 10. bxc3 Be7 11. c4 0-0 12. a6 Bc6 13. Ne5 Nxe5 14. dxe5 Nd7 15. cxd5 Bxd5 16. Nf3 Qc7 17. Bf4 Rad8 18. Qc2 Bxf3 19. Bxf3 g5 20. Bd2 Nxe5 21. Ba5 Nxf3+ 22. exf3 Qc6 23. Bxd8 Rxd8 24. Qe4 Qxe4 25. fxe4 Bf6 26. Ra5 Bd4 27. Rb1 e5 28. Rab5 Rd6 29. Rb6 Bxf2+ 30. Kf1 Rd2 31. R6b2 Rxb2 32. Rxb2 Bd4 33. Rb8+ Kg7 34. Rc8 g4 35. Rc7 c4 36. Rxc4 h5 37. Rc2 f5 38. exf5 Kf6 39. Ke2 Kxf5 40. Kd3 Bg1 41. Rc7 Bd4 42. Rf7+ Kg6 43. Rf1 h4 44. Ke4 h3 45. Rd1 Kf6 46. Rxd4 exd4 47. Kxd4 Ke6 48. Ke4 Kd6 49. Kf4 Kc6 50. Kxg4 Kb6 51. Kf5 Kxa6 52. g4 Kb5 53. g5 a5 54. g6 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2024.09.06"]
[Round "7.51"]
[White "Maj, Pawel1"]
[Black "Siennicki, Gustaw"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2158"]
[BlackElo "1953"]
[PlyCount "31"]
[EventDate "2024.08.31"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Skoczek Trojanski"]
[BlackTeam "Warszawa Zugzwang"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. 0-0 Nc6 5. d4 cxd4 6. Nxd4 e5 7. Nxc6 bxc6 8. c4 Rb8 9. Nc3 d4 10. Ne4 h5 11. e3 c5 12. exd4 cxd4 13. Qa4+ Nd7 14. Qxa7 Bb4 15. c5 0-0 16. c6 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2024.09.02"]
[Round "3.21"]
[White "Rekuc, Patryk"]
[Black "Siennicki, Gustaw"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2130"]
[BlackElo "1953"]
[PlyCount "85"]
[EventDate "2024.08.31"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Bialystok Stoczek 45"]
[BlackTeam "Warszawa Zugzwang"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. e3 Bxd2+ 6. Qxd2 d6 7. Nc3 0-0 8. Qc2 Nc6 9. Be2 e5 10. 0-0 Bg4 11. Rfd1 Rae8 12. Ng5 Nb4 13. Qb3 exd4 14. Rxd4 Nc6 15. Rd2 Bxe2 16. Rxe2 b6 17. Qc2 g6 18. Nh3 Qe6 19. Nf4 Qe5 20. Rd1 Nb4 21. Qa4 a5 22. a3 Na6 23. Ncd5 Nxd5 24. Nxd5 Nc5 25. Qc6 Ne6 26. Qd7 Rd8 27. Qe7 c6 28. f4 Qg7 29. Nf6+ Kh8 30. Red2 b5 31. Rxd6 Rc8 32. b3 bxc4 33. bxc4 Rc7 34. Rd7 Rxd7 35. Rxd7 Qh6 36. Ng4 Qh5 37. Qf6+ Kg8 38. h3 h6 39. Ne5 Qe2 40. Nxg6 Qxe3+ 41. Kh2 fxg6 42. Qxg6+ Kh8 43. Rh7# 1-0

[Event "POL-chT 2nd League"]
[Site "Jastrzebia Gora"]
[Date "2024.08.31"]
[Round "1.23"]
[White "Przerwa, Sebastian"]
[Black "Siennicki, Gustaw"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1896"]
[BlackElo "1953"]
[PlyCount "93"]
[EventDate "2024.08.31"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Konin Hetman"]
[BlackTeam "Warszawa Zugzwang"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Nc6 7. Bc4 Be7 8. Bf4 Be6 9. Bd3 Bf6 10. Qd2 h6 11. h3 Qd7 12. Bb5 a6 13. Be2 0-0-0 14. Nd4 Nxd4 15. cxd4 g5 16. Be3 d5 17. 0-0-0 Kb8 18. Qa5 Bf5 19. Rhe1 Rhe8 20. Bd3 Bxd3 21. Rxd3 Re6 22. Bd2 Rde8 23. Rxe6 Rxe6 24. Be3 Bg7 25. g4 f5 26. gxf5 Rc6 27. Qe1 Qxf5 28. Kd2 Re6 29. Qd1 Re4 30. Qh5 c5 31. f3 Re6 32. dxc5 d4 33. Bxd4 Bxd4 34. Rxd4 Qe5 35. Re4 Qd5+ 36. Kc1 Rxe4 37. fxe4 Qxe4 38. c3 Qe1+ 39. Kc2 Qe4+ 40. Kb3 Qd5+ 41. Kc2 Qe4+ 42. Kc1 Qe1+ 43. Kc2 Qe4+ 44. Kb3 Qd5+ 45. c4 Qd3+ 46. Kb4 Qd2+ 47. Kb3 1/2-1/2

[Event "Polanica Zdroj op 60th"]
[Site "Polanica Zdroj"]
[Date "2024.08.25"]
[Round "9"]
[White "Siennicki, Gustaw"]
[Black "Ramakrishnan, MR."]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "1953"]
[BlackElo "2007"]
[PlyCount "70"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. Nc3 dxc4 7. Ne5 c5 8. dxc5 Qxd1+ 9. Nxd1 Bxc5 10. Be3 Bb4+ 11. Bd2 Bxd2+ 12. Kxd2 Rd8+ 13. Kc2 Nd5 14. Nxc4 Nc6 15. a3 Nd4+ 16. Kb1 Nxe2 17. Nde3 Bd7 18. Rd1 Ba4 19. Re1 Nd4 20. Nxd5 exd5 21. Ne3 Nb3 22. Bxd5 Nxa1 23. Kxa1 Bc6 24. Bc4 Rd2 25. f4 Re8 26. Ka2 Rd4 27. Rd1 Rde4 28. Bxf7+ Kxf7 29. Nf5 Re1 30. Rd4 R8e6 31. g4 R1e4 32. Nd6+ Rxd6 33. Rxd6 Rxf4 34. h3 Rf3 35. h4 Rf4 0-1

[Event "Polanica Zdroj op 60th"]
[Site "Polanica Zdroj"]
[Date "2024.08.24"]
[Round "8"]
[White "Matela, Krzysztof"]
[Black "Siennicki, Gustaw"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1926"]
[BlackElo "1953"]
[PlyCount "150"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. d3 g6 4. h4 h6 5. Be2 Bg7 6. c3 Nf6 7. Nbd2 0-0 8. exd5 cxd5 9. Qb3 Nc6 10. d4 Rb8 11. Nf1 b5 12. Bf4 Rb6 13. Ne3 b4 14. Qc2 bxc3 15. bxc3 Re8 16. a4 Ng4 17. Nxg4 Bxg4 18. a5 Rb7 19. Ba6 Rd7 20. Bb5 Qc8 21. Qa4 e5 22. Bxc6 exf4+ 23. Kf1 Re4 24. Bxd7 Bxd7 25. Qb3 Re8 26. Kg1 Bf5 27. Re1 Rxe1+ 28. Nxe1 Be4 29. Qb2 Qa6 30. Qb8+ Bf8 31. Qxf4 Qxa5 32. Qd2 h5 33. f3 Bf5 34. Nd3 Qb5 35. Nf2 Qb8 36. Nd3 Qb1+ 37. Nc1 a5 38. Kh2 a4 39. Na2 Bd6+ 40. g3 Bxg3+ 41. Kg2 Qb8 42. Nb4 Be6 43. Qa2 Qf4 44. Nd3 Qe3 45. Kxg3 Qxd3 46. Qxa4 Qxc3 47. Qa7 Kg7 48. Qa1 Qc7+ 49. f4 Qc2 50. Qe1 Qd3+ 51. Kg2 Bf5 52. Rg1 Be4+ 53. Kh2 Qc2+ 54. Kg3 Qd3+ 55. Kh2 Qf3 56. f5 Qxf5 57. Qg3 Kh7 58. Re1 Qf6 59. Rd1 Kg7 60. Qe5 Qxe5+ 61. dxe5 f6 62. exf6+ Kxf6 63. Kg3 Ke5 64. Ra1 Bc2 65. Rc1 Be4 66. Ra1 d4 67. Ra5+ Bd5 68. Kf2 Kd6 69. Ra6+ Bc6 70. Ra5 Be4 71. Rb5 Bf5 72. Ra5 Ke6 73. Rb5 Be4 74. Ra5 Bd5 75. Ra6+ Kf5 1/2-1/2

[Event "Polanica Zdroj op 60th"]
[Site "Polanica Zdroj"]
[Date "2024.08.23"]
[Round "7"]
[White "Siennicki, Gustaw"]
[Black "Motyl, Tomasz"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "1953"]
[BlackElo "1947"]
[PlyCount "67"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 c5 2. Nf3 cxd4 3. Nxd4 Nf6 4. c4 Nc6 5. g3 d6 6. Nxc6 bxc6 7. Bg2 Bd7 8. 0-0 g6 9. b3 Bg7 10. Bb2 0-0 11. Qd2 a5 12. Nc3 Qc7 13. Rad1 Ra7 14. e4 c5 15. f4 Bc6 16. e5 dxe5 17. fxe5 Ng4 18. Bxc6 Qxc6 19. Qe2 Qe6 20. Rd5 Bh6 21. Rf3 f6 22. Ne4 Nxe5 23. Bxe5 fxe5 24. Nxc5 Qb6 25. Kg2 Rxf3 26. Qxf3 Qf6 27. Rd8+ Kf7 28. Qe4 Bg7 29. Nb7 Qf5 30. Qd5+ Kf6 31. Qc6+ Kg5 32. Rd2 e4 33. Rf2 Qe5 34. Nd8 1-0

[Event "Polanica Zdroj op 60th"]
[Site "Polanica Zdroj"]
[Date "2024.08.22"]
[Round "6"]
[White "Ochedzan, Filip"]
[Black "Siennicki, Gustaw"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "1993"]
[BlackElo "1953"]
[PlyCount "89"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Be3 Na6 7. a3 Bd6 8. Bd3 Be6 9. Ne2 Nc7 10. c4 0-0 11. 0-0 Re8 12. Qc2 h5 13. Rad1 h4 14. h3 Qd7 15. Nf4 Rac8 16. Qb1 Qe7 17. Rfe1 Qf8 18. Nxe6 Nxe6 19. Bf5 Ra8 20. d5 cxd5 21. Rxd5 g6 22. Red1 Be5 23. Bxe6 Rxe6 24. Rd7 b6 25. b4 Rd6 26. R1xd6 Bxd6 27. Qe4 Be5 28. f4 Bb2 29. Qd3 Qe8 30. a4 Ba3 31. b5 Kg7 32. Rd5 Bb4 33. Bd4 Qe1+ 34. Kh2 Qe6 35. Bb2 Be1 36. Qf1 Rc8 37. f5 Bg3+ 38. Kh1 Qe7 39. fxg6 fxg6 40. Bxf6+ Qxf6 41. Rd7+ Kh6 42. Qxf6 Rxc4 43. Qh8+ Kg5 44. Rd5+ Kf4 45. Qe5# 1-0

[Event "Polanica Zdroj op 60th"]
[Site "Polanica Zdroj"]
[Date "2024.08.21"]
[Round "5"]
[White "Ciolek, Andreas"]
[Black "Siennicki, Gustaw"]
[Result "1/2-1/2"]
[ECO "E35"]
[WhiteElo "2266"]
[BlackElo "1953"]
[PlyCount "84"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bh4 c5 8. dxc5 0-0 9. e3 Be6 10. Bd3 Nc6 11. Nge2 d4 12. exd4 Nxd4 13. Nxd4 Qxd4 14. Bxf6 Qxf6 15. 0-0 Bxc3 16. Qxc3 Qxc3 17. bxc3 Rac8 18. Rfb1 Rxc5 19. Rxb7 Rxc3 20. Be4 Rfc8 21. h3 a5 22. a4 g6 23. Rb5 Rc1+ 24. Rxc1 Rxc1+ 25. Kh2 Rc4 26. Bd5 Rxa4 27. Bxe6 fxe6 28. Rb7 Rf4 29. Kg3 Rf7 30. Rb6 Ra7 31. Rxe6 Kf7 32. Re3 a4 33. Ra3 Ke6 34. f4 Kd6 35. Kf3 Kc5 36. g4 Kb4 37. Ra1 Kc3 38. f5 Kb2 39. Re1 a3 40. fxg6 Ra6 41. g7 Rg6 42. Re2+ Kb1 1/2-1/2

[Event "Polanica Zdroj op 60th"]
[Site "Polanica Zdroj"]
[Date "2024.08.20"]
[Round "4"]
[White "Siennicki, Gustaw"]
[Black "Aadith, Rajesh"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1953"]
[BlackElo "1911"]
[PlyCount "107"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nf3 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 0-0 8. 0-0 Nbd7 9. Qc2 Qc7 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 b6 13. Ng5 Nf6 14. Qxc6 Qxc6 15. Bxc6 Rb8 16. Rfd1 Bb7 17. Bxb7 Rxb7 18. Kf1 Rd8 19. Ke2 Kf8 20. Rac1 Ke7 21. h3 Rc7 22. Nf3 Rdc8 23. Kd3 Nd5 24. a3 Nf6 25. Rc2 Nd7 26. b4 a6 27. a4 Nb8 28. Ne5 f6 29. Nf3 Nc6 30. Rb2 a5 31. bxa5 Nxa5 32. Rxb6 Rxc4 33. Re1 Rc3+ 34. Ke2 Ra3 35. Nh4 Rc6 36. Rxc6 Nxc6 37. d5 exd5 38. Nf5+ Kf7 39. Rc1 Nd8 40. Rc7+ Kg6 41. Ne7+ Kh6 42. Ra7 Ra2+ 43. Kf3 Ne6 44. Nxd5 Nc5 45. a5 Nd3 46. Ne7 Nxf2 47. Nf5+ Kg5 48. g4 Ra3+ 49. Kxf2 Rxh3 50. Rxg7+ Kf4 51. a6 Ra3 52. a7 h5 53. gxh5 Kxf5 54. h6 1-0

[Event "Polanica Zdroj op 60th"]
[Site "Polanica Zdroj"]
[Date "2024.08.19"]
[Round "3"]
[White "Siennicki, Gustaw"]
[Black "Rzeszowski, Dominik"]
[Result "0-1"]
[ECO "A83"]
[WhiteElo "1953"]
[BlackElo "1996"]
[PlyCount "128"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. d5 Ne5 6. Qe2 c6 7. 0-0-0 cxd5 8. Bxf6 gxf6 9. Rxd5 Nf7 10. Qxe4 e6 11. Nf3 Qe7 12. Rd1 f5 13. Qd4 Bh6+ 14. Kb1 0-0 15. g4 Bg7 16. Qa4 b5 17. Nxb5 Bb7 18. Be2 fxg4 19. Qxg4 Nh6 20. Qg3 Qb4 21. Rd4 Rxf3 22. Qxg7+ Kxg7 23. Rg1+ Kf6 24. Rxb4 Rxf2 25. Bd3 Rxh2 26. Nc7 Rb8 27. Ba6 Bxa6 28. Rxb8 Be2 29. Ra8 Ng4 30. Rxa7 h5 31. Ne8+ Ke7 32. Ng7 Nf6 33. a4 h4 34. Ra5 h3 35. Re5 Rg2 36. Nf5+ Kf8 37. Rh1 Ng4 38. Rxh3 Nxe5 39. Nd4 Nc6 40. Nxc6 dxc6 41. Rc3 e5 42. Re3 Bc4 43. b3 Re2 44. Rf3+ Bf7 45. a5 e4 46. Rf6 e3 47. Rf1 Rf2 48. Re1 e2 49. Kc1 Bh5 50. b4 Rf7 51. Kd2 Rd7+ 52. Ke3 Ke8 53. c4 Rb7 54. Kf4 Rf7+ 55. Ke3 Rf1 56. Kd2 Rxe1 57. Kxe1 Kd7 58. c5 Kc7 59. Kd2 Kb7 60. Ke1 Ka6 61. Kd2 Kb5 62. Ke1 Bg4 63. Kf2 Bc8 64. Kxe2 Kxb4 0-1

[Event "Polanica Zdroj op 60th"]
[Site "Polanica Zdroj"]
[Date "2024.08.18"]
[Round "2"]
[White "Majocha, Piotr"]
[Black "Siennicki, Gustaw"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2040"]
[BlackElo "1953"]
[PlyCount "93"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3 6. Qxc3 c5 7. e3 b6 8. Be2 Nc6 9. 0-0 Bb7 10. b3 Re8 11. d4 Qc7 12. Bb2 d6 13. Qc2 cxd4 14. exd4 Ne7 15. Rac1 Ng6 16. Qd2 e5 17. d5 Nf4 18. Ne1 Ne4 19. Qe3 f5 20. Nd3 Nxe2+ 21. Qxe2 Qf7 22. f3 Nf6 23. f4 e4 24. Ne1 Nd7 25. Rc3 Re7 26. Rg3 Nf6 27. Nc2 Bc8 28. Nd4 Bd7 29. h3 Kf8 30. Rg5 g6 31. Rg3 Rc8 32. a4 a6 33. Ba1 b5 34. axb5 axb5 35. Qb2 bxc4 36. bxc4 Rxc4 37. Nc6 Bxc6 38. dxc6 Nd5 39. Rb3 Rc7 40. Qh8+ Ke7 41. Rb8 R4xc6 42. Rg8 Ke6 43. Rg7 Qxg7 44. Bxg7 Re7 45. Qxh7 Ne3 46. Qxg6+ Kd5 47. Re1 1-0

[Event "Polanica Zdroj op 60th"]
[Site "Polanica Zdroj"]
[Date "2024.08.17"]
[Round "1"]
[White "Siennicki, Gustaw"]
[Black "Cernov, Henrik"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "1953"]
[BlackElo "2133"]
[PlyCount "52"]
[EventDate "2024.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 Nc6 3. Nc3 e5 4. dxe5 Nxe5 5. Nf3 Nxf3+ 6. gxf3 d6 7. e4 Be6 8. Qa4+ c6 9. Be3 a6 10. Rd1 b5 11. Qc2 Nd7 12. b3 Ne5 13. Be2 bxc4 14. bxc4 Nxc4 15. Bxc4 Bxc4 16. Na4 d5 17. Nb2 Qa5+ 18. Rd2 Bb4 19. Nxc4 dxc4 20. Qxc4 Bxd2+ 21. Bxd2 Qb5 22. Qc3 0-0 23. Rg1 f6 24. Rg3 Rad8 25. Qa3 Rf7 26. Qa5 Qb1+ 0-1

[Event "Warsaw Najdorf Memorial op-A"]
[Site "Warsaw"]
[Date "2024.07.17"]
[Round "9"]
[White "Jurasz, Antoni"]
[Black "Siennicki, Gustaw"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "1992"]
[BlackElo "2012"]
[PlyCount "99"]
[EventDate "2024.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Na6 7. Bxa6 Qa5+ 8. c3 Qxa6 9. Qe2+ Qxe2+ 10. Kxe2 Bd6 11. h3 Be6 12. b3 b5 13. Bb2 a5 14. Nd2 Kd7 15. a4 Bd5 16. c4 bxc4 17. bxc4 Bxg2 18. Rhg1 Rhe8+ 19. Kd1 Bxh3 20. Rxg7 Be6 21. Ne4 Be7 22. Rxh7 Bg4+ 23. Kc1 f5 24. Nc5+ Kc8 25. Ra3 Bg5+ 26. Kb1 Re1+ 27. Ka2 Rb8 28. Rh8+ Bd8 29. Bc3 Reb1 30. Rb3 R1xb3 31. Nxb3 Kb7 32. Bxa5 Bg5 33. Nc5+ Ka8 34. Rxb8+ Kxb8 35. Kb2 Be2 36. d5 cxd5 37. cxd5 Be7 38. Nd7+ Kc8 39. Ne5 Bd1 40. Nxf7 Bxa4 41. f4 Bc5 42. Bc3 Be8 43. Ne5 Be3 44. Nc6 Bxc6 45. dxc6 Bxf4 46. Kc2 Kc7 47. Kd3 Kxc6 48. Ke2 Kd5 49. Kf3 Bc7 50. Bb4 1/2-1/2

[Event "Warsaw Najdorf Memorial op-A"]
[Site "Warsaw"]
[Date "2024.07.16"]
[Round "8"]
[White "Siennicki, Gustaw"]
[Black "Harazinska, Magdalena"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2012"]
[BlackElo "1969"]
[PlyCount "194"]
[EventDate "2024.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nf3 Qb6 6. Qc2 Bg4 7. Be2 e6 8. 0-0 Be7 9. a4 cxd4 10. exd4 0-0 11. Nbd2 Rac8 12. Qb3 Qxb3 13. Nxb3 Ne4 14. Bd3 Bf5 15. Rfe1 Nd6 16. Bxd6 Bxd3 17. Bxe7 Nxe7 18. a5 Rc7 19. h4 h6 20. g3 Nf5 21. Nc5 Bb5 22. g4 Nd6 23. Nd2 b6 24. Ncb3 Nc4 25. Nxc4 Bxc4 26. Nd2 Rb8 27. axb6 Rxb6 28. b4 Ra6 29. f3 Rxa1 30. Rxa1 Bb5 31. Rc1 g5 32. hxg5 hxg5 33. Nb3 Kg7 34. Nc5 a6 35. Kf2 Ra7 36. Ra1 Ra8 37. Kg3 Rh8 38. Kg2 Ra8 39. Ra2 Bc4 40. Ra5 Bb5 41. Kg3 Rc8 42. Ra2 Rh8 43. Rh2 Rxh2 44. Kxh2 Kf6 45. Kg3 Ke7 46. f4 f6 47. Kf3 Kd6 48. Ke3 Bc4 49. Nb7+ Ke7 50. Na5 Bb5 51. Nb3 Ba4 52. Nc5 Bb5 53. Kf3 Bc4 54. Na4 Bb5 55. Nb2 Kf7 56. Nd1 Bd3 57. Ne3 Ke7 58. Kg3 Kd6 59. Nd1 Ke7 60. Nf2 Bf1 61. Nd1 Bd3 62. Ne3 Kd6 63. Ng2 Be2 64. Ne1 Bd1 65. Nd3 Be2 66. Nf2 Bf1 67. Kf3 Ke7 68. Nh1 Bc4 69. Ke3 Bb3 70. Nf2 Kf7 71. Nd3 Ke7 72. Kd2 Bc4 73. fxg5 fxg5 74. Ne5 Bb5 75. Kc2 Be2 76. Kb3 Bb5 77. Nf3 Kf6 78. Ne5 Ke7 79. c4 dxc4+ 80. Kc3 Kd6 81. Nf7+ Kd5 82. Nxg5 e5 83. Nf3 e4 84. Ne1 e3 85. g5 Be8 86. Nc2 e2 87. Kd2 Bh5 88. Kc3 Bg6 89. Ne1 Be4 90. Kd2 Kxd4 91. Kxe2 c3 92. Kd1 Kc4 93. Kc1 Kxb4 94. Nc2+ Kc5 95. Ne3 a5 96. Nc2 a4 97. Na1 a3 0-1

[Event "Warsaw Najdorf Memorial op-A"]
[Site "Warsaw"]
[Date "2024.07.15"]
[Round "7"]
[White "Lasota, Adam"]
[Black "Siennicki, Gustaw"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1968"]
[BlackElo "2012"]
[PlyCount "169"]
[EventDate "2024.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 e6 5. Nd2 Nc6 6. Ngf3 cxd4 7. exd4 Nh5 8. Bg5 f6 9. Bh4 g6 10. Be2 Nf4 11. 0-0 Nxe2+ 12. Qxe2 Bd6 13. Bg3 Bxg3 14. hxg3 0-0 15. Rfe1 b6 16. Qe3 Bd7 17. Nb3 Ne7 18. Nc1 Nf5 19. Qd2 Qc7 20. Nd3 Rae8 21. g4 Nd6 22. Qe2 g5 23. Nd2 a5 24. f3 Bb5 25. Qe3 Kg7 26. Kf2 Bxd3 27. Qxd3 f5 28. Qe3 Qd8 29. Qe5+ Kg8 30. gxf5 Rxf5 31. Qg3 b5 32. Re3 b4 33. Rae1 bxc3 34. bxc3 Qd7 35. Kg1 h6 36. Nb3 Nb7 37. Qh3 Rf6 38. Nc1 Nd6 39. Nd3 Nc4 40. Nc5 Qb5 41. Rxe6 Rfxe6 42. Rxe6 Qb1+ 43. Kh2 Qb8+ 44. Qg3 Qxg3+ 45. Kxg3 Rxe6 46. Nxe6 Kf7 47. Nd8+ Ke7 48. Nb7 a4 49. a3 Nxa3 50. Nc5 Nb5 51. Nxa4 h5 52. f4 Kf6 53. fxg5+ Kxg5 54. Kh3 h4 55. g3 hxg3 56. Kxg3 Kf5 57. Kf3 Kg5 58. Ke3 Kg4 59. Kd3 Kf5 60. Nc5 Kf6 61. Kc2 Ke7 62. Kb3 Kd6 63. Kb4 Kc6 64. Ne6 Nd6 65. Nf4 Nf5 66. Nd3 Ne3 67. Ne5+ Kd6 68. Kb5 Nd1 69. c4 dxc4 70. Kxc4 Ne3+ 71. Kd3 Nf5 72. Nc4+ Kd5 73. Ne3+ Nxe3 74. Kxe3 Kd6 75. Ke4 Ke6 76. d5+ Kd6 77. Kd4 Kd7 78. Ke5 Ke7 79. d6+ Kd7 80. Kd5 Kd8 81. Ke5 Kd7 82. Kd5 Kd8 83. Kc6 Kc8 84. d7+ Kd8 85. Kd6 1/2-1/2

[Event "Warsaw Najdorf Memorial op-A"]
[Site "Warsaw"]
[Date "2024.07.14"]
[Round "6"]
[White "Hury, Tymoteusz"]
[Black "Siennicki, Gustaw"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1954"]
[BlackElo "2012"]
[PlyCount "87"]
[EventDate "2024.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 cxd4 7. Nxd4 Ne7 8. c4 dxc4 9. Nd2 Nbc6 10. Nxc4 Nd5 11. Nxf5 exf5 12. 0-0 Nxe3 13. Nxe3 Qxd1 14. Rfxd1 Bc5 15. Nxf5 0-0 16. Bb5 Nd8 17. Rd7 g6 18. Ng3 a6 19. Bc4 Rc8 20. Bb3 Nc6 21. Re1 Na5 22. Bd5 Rcd8 23. Bxf7+ Kg7 24. Rxd8 Rxd8 25. e6 Nc6 26. Ne4 Bb4 27. Rc1 Nd4 28. Kf1 Nc6 29. a3 Ba5 30. Nc5 Bd2 31. Rc2 Rd5 32. Nxb7 Ne5 33. Nc5 a5 34. Be8 Bg5 35. g3 Nf3 36. Bc6 Nd2+ 37. Ke2 Rd6 38. Bg2 Nb1 39. f4 Be7 40. Nd3 Rxe6+ 41. Kd1 Re3 42. Bf1 Nxa3 43. bxa3 Bxa3 44. Kd2 1-0

[Event "Warsaw Najdorf Memorial op-A"]
[Site "Warsaw"]
[Date "2024.07.13"]
[Round "5"]
[White "Siennicki, Gustaw"]
[Black "Tsiapko, Andrii"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2012"]
[BlackElo "2167"]
[PlyCount "72"]
[EventDate "2024.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 c6 7. Nc3 Nbd7 8. Qd3 b6 9. e4 Ba6 10. b3 dxc4 11. Qe2 b5 12. bxc4 bxc4 13. Rd1 Qa5 14. Bd2 Bb4 15. Rac1 Qd8 16. Bg5 h6 17. e5 hxg5 18. Nxg5 Nh7 19. Nxh7 Kxh7 20. Qh5+ Kg8 21. Be4 f5 22. Bxc6 Rc8 23. d5 Nxe5 24. dxe6 Qe7 25. Bd7 Bxc3 26. Rxc3 Rcd8 27. Re3 Ng4 28. Rf3 Nh6 29. Rd4 Bb7 30. Re3 Ng4 31. Re1 Nf6 32. Qh3 Ne4 33. Rxc4 Ng5 34. Qh5 Nf3+ 35. Kf1 Nd2+ 36. Kg1 Nxc4 0-1

[Event "Warsaw Najdorf Memorial op-A"]
[Site "Warsaw"]
[Date "2024.07.12"]
[Round "4"]
[White "Siennicki, Gustaw"]
[Black "Bednarska Bzdega, Malgorzata"]
[Result "1-0"]
[ECO "D72"]
[WhiteElo "2012"]
[BlackElo "1956"]
[PlyCount "125"]
[EventDate "2024.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. e4 Nb6 7. Ne2 e5 8. d5 0-0 9. Nbc3 N8d7 10. a4 a5 11. 0-0 Nf6 12. b3 Re8 13. h3 c6 14. Be3 cxd5 15. exd5 e4 16. d6 Bd7 17. Rc1 Bc6 18. Nd4 Nbd5 19. Nxd5 Nxd5 20. Nxc6 bxc6 21. Rxc6 Nxe3 22. fxe3 Ra7 23. Qd5 Be5 24. Rfc1 Bxg3 25. Rc8 Qd7 26. R8c7 Rxc7 27. Rxc7 Qf5 28. Qxf5 gxf5 29. d7 Rd8 30. Ra7 Be1 31. Bf1 Kf8 32. Bb5 Ke7 33. Ra6 Rg8+ 34. Kf1 Bd2 35. Kf2 f4 36. exf4 Bxf4 37. Rxa5 Bc7 38. Ra6 f5 39. Rc6 Bd8 40. b4 f4 41. a5 Rg6 42. Rc5 Re6 43. Bc4 Rh6 44. Re5+ Kxd7 45. Rxe4 Bc7 46. Be2 Rf6 47. Bg4+ Kc6 48. Re7 Bd6 49. Bf3+ Kb5 50. Rb7+ Ka4 51. Bd1+ Ka3 52. b5 Kb4 53. a6 Ka5 54. a7 Bc5+ 55. Kf3 Bxa7 56. Rxa7+ Kxb5 57. Rxh7 Kc5 58. h4 Kd6 59. Bc2 Rf8 60. h5 Ke5 61. h6 Rc8 62. Bd3 Kf6 63. Rd7 1-0

[Event "Warsaw Najdorf Memorial op-A"]
[Site "Warsaw"]
[Date "2024.07.11"]
[Round "3"]
[White "Delega, Tomasz"]
[Black "Siennicki, Gustaw"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "1973"]
[BlackElo "2012"]
[PlyCount "153"]
[EventDate "2024.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Na6 7. Bxa6 Qa5+ 8. c3 Qxa6 9. Qe2+ Qxe2+ 10. Kxe2 Bd6 11. Re1 Be6 12. Kf1 Kd7 13. b3 a5 14. Bd2 a4 15. c4 axb3 16. axb3 Bc7 17. Bc3 h5 18. h3 Rhe8 19. Red1 Bf5 20. Ne1 b5 21. Bb4 Reb8 22. Bc5 bxc4 23. bxc4 Rxa1 24. Rxa1 Be6 25. Rc1 Bf4 26. Rc2 Bf5 27. Ra2 Rb1 28. Ke2 Be6 29. Rc2 h4 30. Nd3 Bc7 31. Bf8 g5 32. Nc5+ Ke8 33. Nxe6 fxe6 34. Bc5 Ra1 35. Kf3 f5 36. Ke2 g4 37. d5 exd5 38. cxd5 cxd5 39. Bd4 Ra4 40. Rxc7 Rxd4 41. hxg4 Re4+ 42. Kf1 fxg4 43. Rh7 g3 44. f3 Ra4 45. Ke2 Kf8 46. Rh5 d4 47. Kd3 Ra3+ 48. Kxd4 Rxf3 49. Rxh4 Ra3 50. Rh3 Kg7 51. Ke4 Kf6 52. Kf4 Kg6 53. Rxg3+ Rxg3 54. Kxg3 Kg5 55. Kf3 Kf5 56. Ke2 Kg4 57. Kf1 Kg3 58. Kg1 Kg4 59. Kf2 Kf4 60. g3+ Kg4 61. Kg2 Kg5 62. Kf3 Kf5 63. g4+ Kg5 64. Kg3 Kg6 65. Kh4 Kh6 66. g5+ Kg6 67. Kg4 Kg7 68. Kf4 Kg6 69. Kg4 Kg7 70. Kf5 Kf7 71. g6+ Kg7 72. Kg5 Kg8 73. Kf5 Kg7 74. Kg5 Kg8 75. Kh6 Kh8 76. g7+ Kg8 77. Kg6 1/2-1/2

[Event "Warsaw Najdorf Memorial op-A"]
[Site "Warsaw"]
[Date "2024.07.10"]
[Round "2"]
[White "Chmiel, Marcin"]
[Black "Siennicki, Gustaw"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2161"]
[BlackElo "2012"]
[PlyCount "113"]
[EventDate "2024.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 d4 4. Nf3 Nc6 5. e3 dxe3 6. fxe3 e5 7. 0-0 Nf6 8. d4 Bg4 9. Qb3 exd4 10. Qxb7 Na5 11. Qa6 c5 12. Bd2 Nb7 13. Qxb7 Rb8 14. Qa6 Bd6 15. Qc6+ Kf8 16. exd4 cxd4 17. Ba5 Qe7 18. Re1 Bd7 19. Rxe7 Bxc6 20. Rxa7 d3 21. b4 Bxf3 22. Bxf3 Be5 23. Bc7 Bd4+ 24. Kf1 Bxa7 25. Bxb8 Bd4 26. Bd6+ Ke8 27. Bc6+ Kd8 28. Nc3 Bxc3 29. Rd1 d2 30. b5 Ba5 31. c5 Nd7 32. Bxd7 Kxd7 33. Bf4 Kc8 34. Bxd2 Rd8 35. Ke2 Re8+ 36. Be3 Re5 37. Kf3 g5 38. b6 g4+ 39. Kf4 Re6 40. Rd6 Re7 41. c6 f5 42. c7 Kb7 43. Rd8 Rxc7 44. bxc7 Bxc7+ 45. Kxf5 Bxd8 46. Kxg4 Kc6 47. Kh5 Kd5 48. Kh6 Ke4 49. Bg5 Bc7 50. Bf4 Ba5 51. Kxh7 Kf5 52. h4 Bb4 53. h5 Kg4 54. Kg6 Bc3 55. h6 Bb2 56. h7 Bc3 57. a3 1-0

[Event "Warsaw Najdorf Memorial op-A"]
[Site "Warsaw"]
[Date "2024.07.09"]
[Round "1"]
[White "Siennicki, Gustaw"]
[Black "Kowalczyk, Rafal"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "2012"]
[BlackElo "2185"]
[PlyCount "70"]
[EventDate "2024.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. b3 Ba6 10. bxc4 Bxc4 11. Na3 Bd5 12. Nc2 c5 13. Bf4 Bxg2 14. Kxg2 Nd5 15. e4 Nc3 16. Qd3 cxd4 17. Nxd4 c5 18. Qxc3 cxd4 19. Qd3 Bf6 20. Rac1 e5 21. Bd2 Qd7 22. Rc2 Rac8 23. Rfc1 Rxc2 24. Rxc2 Bd8 25. Rc5 Qe6 26. a4 Bb6 27. Rc2 Rb8 28. Qa6 Qg4 29. f3 Qd7 30. a5 Bd8 31. g4 h6 32. Rc5 Rb2 33. Qc8 Rxd2+ 34. Kg3 Qe7 35. Rd5 Qh4# 0-1

