[Event "Katowice POL-HUN 10th"]
[Site "Katowice"]
[Date "2023.09.09"]
[Round "1"]
[White "Kozak, Karol"]
[Black "Kozak, Antoni"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1595"]
[BlackElo "2427"]
[PlyCount "92"]
[EventDate "2023.09.09"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 a6 4. f4 d5 5. exd5 Nf6 6. Nf3 0-0 7. Bd3 Nxd5 8. Nxd5 Qxd5 9. c4 Qe6+ 10. Qe2 Qxe2+ 11. Bxe2 Nc6 12. Be3 Bf5 13. a3 Rfd8 14. Rd1 Bc2 15. Rd2 Be4 16. 0-0 Bxf3 17. Bxf3 Bxd4 18. Bxd4 Nxd4 19. Bxb7 Ra7 20. Rfd1 c5 21. Bf3 a5 22. Kf2 a4 23. h3 Ra6 24. h4 Rb6 25. g3 Kg7 26. Bg2 Rdb8 27. Rb1 Rb3 28. Be4 f5 29. Bd3 Kf6 30. Kg2 h6 31. Kf2 g5 32. hxg5+ hxg5 33. fxg5+ Kxg5 34. Kg2 e5 35. Bf1 Kf6 36. g4 Rg8 37. Be2 e4 38. Bd1 Rb7 39. Bxa4 Rxg4+ 40. Kf1 Rbg7 41. Rbd1 Ke5 42. Rh2 e3 43. Rxd4 cxd4 44. Ke2 Rb7 45. b4 Ra7 46. Bc6 Rxa3 0-1

[Event "Krakow Winter op-B"]
[Site "Krakow"]
[Date "2022.01.20"]
[Round "9"]
[White "Kozak, Karol"]
[Black "Mazonik, Oliwier"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1347"]
[BlackElo "1372"]
[PlyCount "108"]
[EventDate "2022.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Bd3 Nc6 7. Be3 Be7 8. Nf3 Bg4 9. a3 Bf6 10. 0-0 Bxd4 11. Bxd4 Nxd4 12. Qe1+ Ne6 13. Nbd2 Bxf3 14. Nxf3 0-0 15. Qe4 g6 16. b4 c6 17. Qe3 Qf6 18. Rfc1 Rfe8 19. Qd2 Nf4 20. Bf1 d5 21. c5 Nc4 22. Qd4 Qxd4 23. Nxd4 Nd2 24. Re1 Nxf1 25. Kxf1 Ne6 26. Nxe6 Rxe6 27. f3 Rae8 28. g4 Rxe1+ 29. Rxe1 Rxe1+ 30. Kxe1 f6 31. f4 Kf7 32. Kd2 Ke6 33. Kd3 h5 34. h3 hxg4 35. hxg4 g5 36. Ke3 gxf4+ 37. Kxf4 Ke7 38. Kf5 Kf7 39. a4 a6 40. a5 Ke7 41. g5 fxg5 42. Kxg5 Ke6 43. Kf4 Kf6 44. Ke3 Ke5 45. Kd3 Kf5 46. Kd4 Kf4 47. Kd3 Ke5 48. Ke3 d4+ 49. Kd3 Kd5 50. Kd2 Kc4 51. Kc2 Kxb4 52. Kd2 Kxa5 53. Kd3 Kb4 54. Kxd4 a5 0-1

[Event "Krakow Winter op-B"]
[Site "Krakow"]
[Date "2022.01.19"]
[Round "8"]
[White "Kopaczewski, Zbigniew"]
[Black "Kozak, Karol"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "1413"]
[BlackElo "1347"]
[PlyCount "121"]
[EventDate "2022.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. a3 Nc6 7. b4 a6 8. e3 Be6 9. Nge2 Bd6 10. 0-0 0-0 11. Ne4 Qd7 12. d4 exd4 13. Nxd4 Be5 14. Nc5 Qc8 15. Nxc6 bxc6 16. Nxe6 Qxe6 17. Rb1 Rad8 18. Qc2 Nd5 19. Rb3 Rd7 20. f4 Bf6 21. e4 Bd4+ 22. Kh1 Ne7 23. h4 Rdd8 24. Kh2 f5 25. Re1 Kh8 26. Be3 Bxe3 27. Rbxe3 Qd6 28. Bf3 fxe4 29. Rxe4 Nf5 30. Rd1 Qg6 31. Qg2 Rxd1 32. Bxd1 Nxg3 33. Re5 Nf5 34. Qxg6 hxg6 35. Kh3 Rd8 36. Bc2 Rd5 37. Be4 Rxe5 38. fxe5 Kg8 39. Kg4 Ne7 40. Bd3 Kf7 41. Bxa6 Ke6 42. Bd3 Kxe5 43. Kg5 Kd4 44. Bxg6 c5 45. bxc5 Kxc5 46. Bc2 Kc4 47. h5 c5 48. Kf4 Kc3 49. Bd1 Kd4 50. a4 c4 51. a5 Kc5 52. Ke5 c3 53. Ke6 Ng8 54. Kf7 Nf6 55. h6 gxh6 56. Kxf6 h5 57. Kg5 Kb5 58. Kxh5 Kxa5 59. Kg4 Kb4 60. Kf3 c2 61. Bxc2 1/2-1/2

[Event "Krakow Winter op-B"]
[Site "Krakow"]
[Date "2022.01.18"]
[Round "7"]
[White "Grochola, Ireneusz"]
[Black "Kozak, Karol"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1297"]
[BlackElo "1347"]
[PlyCount "92"]
[EventDate "2022.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. Nf3 g6 4. g3 Bg7 5. c3 d6 6. Bg2 e5 7. Be3 Nge7 8. a4 h6 9. Na3 0-0 10. Qd2 Kh7 11. d4 cxd4 12. cxd4 exd4 13. Nxd4 Nxd4 14. Bxd4 Bxd4 15. Qxd4 Nc6 16. Qd2 Ne5 17. h3 f5 18. f4 Nc6 19. 0-0 fxe4 20. Bxe4 Bxh3 21. Rf2 Qd7 22. Qd3 Bf5 23. Bxf5 Qxf5 24. Qxd6 Rad8 25. Rd1 Rxd6 26. Rxd6 Re8 27. Rfd2 Re7 28. Nb5 Qh3 29. Kf2 Qh2+ 30. Kf3 Qh1+ 31. Kf2 Qe1+ 32. Kg2 Re2+ 33. Rxe2 Qxe2+ 34. Kh3 Qe7 35. Rd2 h5 36. Nc3 Kh6 37. Rd5 Qe1 38. Kg2 Qc1 39. Rb5 Qd2+ 40. Kh3 Qf2 41. Rxb7 Qg1 42. g4 Qxg4+ 43. Kh2 Qxf4+ 44. Kg1 Nd4 45. Rxa7 Nf3+ 46. Kg2 Nh4+ 0-1

[Event "Krakow Winter op-B"]
[Site "Krakow"]
[Date "2022.01.18"]
[Round "6"]
[White "Kozak, Karol"]
[Black "Wykurz, Piotr"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1347"]
[BlackElo "1121"]
[PlyCount "133"]
[EventDate "2022.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Nd5 7. Bc4 Bb7 8. 0-0 Bc5 9. Nc3 Nb6 10. Bb3 Qh4 11. Be3 Be7 12. Qf3 0-0-0 13. Bxb6 cxb6 14. Rad1 Qg5 15. Qg3 Rhf8 16. Qxg5 Bxg5 17. Ne4 Bf4 18. Nd6+ Kc7 19. Nxf7 Rb8 20. g3 Rxf7 21. Bxf7 Bxe5 22. b3 Rf8 23. Bc4 d5 24. Bd3 h6 25. c4 d4 26. Be4 Bc8 27. Rfe1 Bf6 28. Kg2 Bg4 29. f3 Bc8 30. Bg6 Bd7 31. Re2 c5 32. Ree1 Kd8 33. Be4 Kc7 34. Rb1 Kd8 35. Bg6 Kc7 36. b4 b5 37. cxb5 c4 38. Rbc1 c3 39. Bd3 Kb6 40. a4 Kc7 41. a5 Rb8 42. Kf2 Bxb5 43. Bxb5 Rxb5 44. Ke2 Kd6 45. Kd3 Rxb4 46. Rb1 Ra4 47. Ra1 Rb4 48. Reb1 Kc5 49. a6 Rb6 50. Rxb6 Kxb6 51. Kc4 Kc6 52. Rb1 Kd6 53. Kd3 Kc5 54. Rb7 Kc6 55. f4 Kc5 56. Rxa7 Kb6 57. Ra8 Kc7 58. h4 Kb6 59. h5 Kc6 60. g4 Kb6 61. a7 Kb7 62. Rg8 Kxa7 63. g5 hxg5 64. fxg5 Be5 65. h6 gxh6 66. gxh6 Kb6 67. h7 1-0

[Event "Krakow Winter op-B"]
[Site "Krakow"]
[Date "2022.01.17"]
[Round "5"]
[White "Ryszka, Maciej"]
[Black "Kozak, Karol"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "1186"]
[BlackElo "1347"]
[PlyCount "176"]
[EventDate "2022.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. c4 e5 2. b3 Nc6 3. Bb2 Nf6 4. e3 d5 5. d4 exd4 6. exd4 Bb4+ 7. Nc3 Ne4 8. Qf3 Nxd4 9. Qd3 Qf6 10. 0-0-0 Bxc3 11. Bxc3 Nxc3 12. Qxc3 c5 13. Re1+ Kd8 14. cxd5 Qxf2 15. Nf3 Nxf3 16. gxf3 Bf5 17. Bd3 Bxd3 18. Qxd3 Qd4 19. Qxd4 cxd4 20. Rhg1 g6 21. Rg4 Rc8+ 22. Kd2 Re8 23. Rxe8+ Kxe8 24. Rxd4 Kd7 25. h4 Kd6 26. Rc4 Rc5 27. Kd3 Rxd5+ 28. Ke4 Rh5 29. Ke3 Rc5 30. Rb4 b5 31. Rd4+ Ke6 32. Rd2 h5 33. Rd4 a5 34. b4 axb4 35. Rxb4 Rc2 36. Rxb5 Rxa2 37. Kf4 Kf6 38. Rb6+ Kg7 39. Kg5 Ra4 40. Rb7 Rc4 41. Ra7 Rc1 42. Rb7 Re1 43. Rd7 Re5+ 44. Kf4 Re1 45. Kg5 Rf1 46. Kf4 Kf6 47. Rd6+ Ke7 48. Ra6 Rd1 49. Kg5 Rd5+ 50. Kf4 f6 51. Ra7+ Rd7 52. Ra6 Kf7 53. Rb6 Kg7 54. Ra6 Rd4+ 55. Kg3 Rd5 56. Ra7+ Kh6 57. Ra6 f5 58. f4 Rd3+ 59. Kg2 Kg7 60. Ra7+ Kf6 61. Ra6+ Kf7 62. Ra7+ Ke6 63. Rg7 Kd5 64. Rxg6 Ke4 65. Rg5 Kxf4 66. Rxh5 Rd2+ 67. Kf1 Ke4 68. Rh8 f4 69. h5 Kf3 70. Ke1 Rh2 71. h6 Rh1+ 72. Kd2 Kf2 73. h7 f3 74. Kd3 Kf1 75. Rf8 Rxh7 76. Rxf3+ Ke1 77. Re3+ Kf2 78. Re2+ Kf1 79. Re4 Ra7 80. Rc4 Kf2 81. Rf4+ Kg3 82. Rc4 Kf3 83. Rc8 Rd7+ 84. Kc4 Ke4 85. Re8+ Kf5 86. Re1 Rf7 87. Rf1+ Ke6 88. Rxf7 Kxf7 1/2-1/2

[Event "Krakow Winter op-B"]
[Site "Krakow"]
[Date "2022.01.16"]
[Round "4"]
[White "Kozak, Karol"]
[Black "Kowalczyk, Mateusz"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1347"]
[BlackElo "1695"]
[PlyCount "100"]
[EventDate "2022.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 c6 5. Nf3 b5 6. Bd3 Nh6 7. 0-0 Qb6 8. Kh1 Bg4 9. d5 b4 10. Ne2 Bxf3 11. Rxf3 Ng4 12. Qg1 c5 13. h3 h5 14. g3 Nd7 15. Kg2 Rc8 16. hxg4 hxg4 17. Rf1 c4 18. Qxb6 axb6 19. a3 cxd3 20. cxd3 Rc2 21. Rf2 Nc5 22. Be3 Nxd3 23. Nd4 Rxf2+ 24. Bxf2 Nxf2 25. Nc6 Bxb2 26. Ra2 Bxa3 27. Nxb4 Bxb4 28. Ra8+ Kd7 29. Rxh8 Nxe4 30. Ra8 f5 31. Ra7+ Ke8 32. Ra4 Bc5 33. Ra2 b5 34. Kh2 b4 35. Kh1 Nxg3+ 36. Kh2 Nh5 37. Kh1 Nxf4 38. Ra8+ Kf7 39. Rb8 Nxd5 40. Kg2 e5 41. Kg3 Kf6 42. Rb7 Kg5 43. Kh2 Kf4 44. Rf7 b3 45. Rb7 Nb6 46. Rh7 b2 47. Rh3 Bg1+ 48. Kg2 gxh3+ 49. Kh1 Kg3 50. Kxg1 b1R# 0-1

[Event "Krakow Winter op-B"]
[Site "Krakow"]
[Date "2022.01.16"]
[Round "3"]
[White "Socha, Maja"]
[Black "Kozak, Karol"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1145"]
[BlackElo "1347"]
[PlyCount "174"]
[EventDate "2022.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nf3 Be7 8. h3 0-0 9. 0-0 Qc7 10. Nh4 Be6 11. Nf5 Bxf5 12. exf5 d5 13. Bd2 e4 14. Be2 d4 15. Nb1 Rd8 16. Bg5 Nc6 17. Nd2 Qe5 18. Bg4 Nxg4 19. Qxg4 Bxg5 20. Qxg5 d3 21. c3 f6 22. Qg4 e3 23. Nc4 exf2+ 24. Rxf2 Qc5 25. Raf1 b5 26. Nd2 Ne5 27. Qe4 Ra7 28. Nb3 Qc4 29. Qe3 Re7 30. Rf4 Qc7 31. Nd4 Qa7 32. Kh1 Qb7 33. Qg3 Nc4 34. Ne6 Rd5 35. Rh4 d2 36. Qg4 d1Q 37. Rxd1 Ne3 38. Rxd5 Qxd5 39. Qe2 Nxf5 40. Rg4 Rxe6 41. Qf2 Qe5 42. Qa7 Qe1+ 43. Kh2 Qe5+ 44. Kh1 Ng3+ 45. Kh2 Nf1+ 46. Kg1 Qe3+ 47. Qxe3 Nxe3 48. Rd4 Nc4 49. b3 Ne5 50. Kf2 Rc6 51. Rd8+ Kf7 52. Ra8 Rxc3 53. Rxa6 Rc2+ 54. Kg3 Kg6 55. Ra5 h5 56. b4 Rb2 57. a3 Rb3+ 58. Kf4 Nc4 59. Rxb5 Nxa3 60. Rb7 Nc4 61. b5 Nd6 62. Rb6 Nxb5 63. Re6 Nd4 64. Re4 Rb4 65. Kg3 Nf5+ 66. Kf4 Rxe4+ 67. Kxe4 Kg5 68. Kf3 g6 69. g3 h4 70. g4 Nh6 71. Kg2 Nxg4 72. hxg4 Kxg4 73. Kh2 f5 74. Kg2 f4 75. Kg1 Kg3 76. Kf1 h3 77. Kg1 f3 78. Kf1 h2 79. Ke1 h1Q+ 80. Kd2 f2 81. Kd3 f1Q+ 82. Kd4 Qhg1+ 83. Kd5 Qf3+ 84. Kc4 Qe4+ 85. Kc3 Qge3+ 86. Kb2 Qb4+ 87. Kc2 Qed2# 0-1

[Event "Krakow Winter op-B"]
[Site "Krakow"]
[Date "2022.01.15"]
[Round "2"]
[White "Kozak, Karol"]
[Black "Ryszka, Mateusz"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "1347"]
[PlyCount "57"]
[EventDate "2022.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Bb5 a6 6. Ba4 Bg7 7. 0-0 0-0 8. Nc3 Qc7 9. e5 Nh5 10. Nd5 Qd8 11. Nb6 Ra7 12. Nxc8 Nc6 13. Bxc6 Qxc8 14. Qxa7 Qxc6 15. Be3 f5 16. Qc5 Qe4 17. Rad1 f4 18. Bc1 Qf5 19. Qc4+ Kh8 20. Qd3 Qe6 21. Qxd7 Qxa2 22. Qxe7 Qg8 23. Rd7 Re8 24. Qf7 Rc8 25. Qxg8+ Kxg8 26. e6 Rxc2 27. Rd8+ Bf8 28. e7 Nf6 29. exf8Q# 1-0

[Event "Ustron op-C"]
[Site "Ustron"]
[Date "2021.08.14"]
[Round "1"]
[White "Kozak, Karol"]
[Black "Jurok, Vojtech"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1223"]
[BlackElo "1588"]
[PlyCount "45"]
[EventDate "2021.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Nf3 Nc6 7. Bd3 b6 8. Bf4 Bb7 9. Qd2 Qd7 10. 0-0-0 Nb4 11. Bc4 Nd5 12. Bg3 0-0-0 13. Bh4 h5 14. Kb1 Bh6 15. Qe1 Rhg8 16. Bxf6 Nxf6 17. Ne5 Qe7 18. Nxf7 e5 19. Nxh6 Rxg2 20. Qxe5 Qg7 21. Nf5 Qg5 22. h4 Rxd4 23. hxg5 1-0

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.25"]
[Round "9"]
[White "Kraczek, Cezary"]
[Black "Kozak, Karol"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1424"]
[BlackElo "1217"]
[PlyCount "76"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. 0-0 Nf6 7. c3 0-0 8. h3 Bd7 9. Re1 Qc8 10. Kh2 Rb8 11. Nbd2 b5 12. Nf1 b4 13. c4 a5 14. Rb1 a4 15. Ne3 e6 16. Bd2 b3 17. a3 Be8 18. Ng4 Nxg4+ 19. hxg4 Nd4 20. Nxd4 Bxd4 21. f4 Bg7 22. Rh1 Bd7 23. Qf1 f5 24. g5 Kf7 25. Qe2 h6 26. exf5 hxg5 27. fxg6+ Kxg6 28. Be4+ Kf7 29. fxg5 Bc6 30. g6+ Ke7 31. Bg5+ Kd7 32. Rbf1 Bxe4 33. dxe4 Qc6 34. Kg2 Rxf1 35. Rxf1 Bxb2 36. Rf7+ Kc8 37. Qxb2 Qxe4+ 38. Kh2 Qf5 1-0

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.24"]
[Round "8"]
[White "Kozak, Karol"]
[Black "Kowalczyk, Jakub"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "1217"]
[BlackElo "1113"]
[PlyCount "49"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. Nc3 Qc7 7. 0-0 Be7 8. Kh1 d6 9. f4 0-0 10. Qe2 Nbd7 11. Nb3 b6 12. Bd2 Bb7 13. Rae1 e5 14. f5 Rfd8 15. Rf3 d5 16. exd5 Nxd5 17. Nxd5 Bxd5 18. Be4 Bxe4 19. Qxe4 Bf6 20. Rg3 Nc5 21. Nxc5 Rxd2 22. Qxa8+ Rd8 23. Nxa6 Qc4 24. Rc3 Qe2 25. Qxd8+ 1-0

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.23"]
[Round "7"]
[White "Lecki, Leonard"]
[Black "Kozak, Karol"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1423"]
[BlackElo "1217"]
[PlyCount "41"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 e5 4. Nf3 Nc6 5. cxd4 exd4 6. Nxd4 Nf6 7. Nc3 Bb4 8. f3 0-0 9. Bg5 Re8 10. Be2 h6 11. Bh4 d5 12. Nxc6 bxc6 13. 0-0 Qe7 14. Bd3 Bxc3 15. bxc3 Qc5+ 16. Kh1 dxe4 17. fxe4 Nxe4 18. Qf3 f5 19. Rae1 Ba6 20. Bxa6 Nd2 21. Qxf5 1-0

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.22"]
[Round "5"]
[White "Gawlik, Olivier"]
[Black "Kozak, Karol"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1168"]
[BlackElo "1217"]
[PlyCount "54"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 cxd4 4. exd4 e6 5. c3 d5 6. Bd3 Be7 7. Bf4 Nbd7 8. Nbd2 a6 9. a4 Nf8 10. h3 Ng6 11. Bh2 Bd6 12. Bxd6 Qxd6 13. Bxg6 hxg6 14. Ne5 Nd7 15. Ndf3 Nxe5 16. Nxe5 g5 17. Qc2 Rh6 18. a5 Bd7 19. Qe2 Bb5 20. Qf3 Rf6 21. Qh5 Rf5 22. g4 Rxe5+ 23. dxe5 Qxe5+ 24. Kd1 Qe2+ 25. Kc1 Bd3 26. Qh8+ Ke7 27. Qxa8 Qc2# 0-1

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.22"]
[Round "6"]
[White "Kozak, Karol"]
[Black "Lapczynski, Jacek"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1217"]
[BlackElo "1286"]
[PlyCount "127"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. a4 a6 7. N5c3 Nf6 8. Na3 Be7 9. Bg5 0-0 10. Bxf6 Bxf6 11. Bc4 Be6 12. 0-0 Rc8 13. Nd5 Bg5 14. c3 Kh8 15. Qe2 f5 16. Nb6 Bxc4 17. Naxc4 Rc7 18. Rad1 Be7 19. Nd5 Rc8 20. Nxe7 Qxe7 21. Nxd6 Rcd8 22. Nxf5 Qg5 23. Rxd8 Nxd8 24. Qe3 Qf6 25. Rd1 Ne6 26. Rd6 Rd8 27. Rxd8+ Qxd8 28. h3 Nf4 29. Qa7 Ne2+ 30. Kh2 g6 31. Ne3 Qe7 32. Nd5 Qf7 33. Qb8+ Kg7 34. Qxe5+ Kh6 35. Nf6 g5 36. Ng4+ Kh5 37. Qf6 Qxf6 38. Nxf6+ Kg6 39. Nd5 Nc1 40. Kg3 Nd3 41. b4 Nb2 42. a5 Nc4 43. Kf3 Kf7 44. Nb6 Ne5+ 45. Ke3 Ke6 46. f4 gxf4+ 47. Kxf4 Nd3+ 48. Ke3 Ne1 49. g3 Nc2+ 50. Kf4 Na3 51. Na4 Kd7 52. Kf5 Nb5 53. e5 Ke7 54. Ke4 Kd7 55. Kd5 Nc7+ 56. Kc5 Ne6+ 57. Kb6 Ng5 58. Kxb7 Nxh3 59. Kxa6 h5 60. b5 Nf2 61. Nc5+ Kd8 62. b6 Nh1 63. Ne4 Kc8 64. Ka7 1-0

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.21"]
[Round "4"]
[White "Kozak, Karol"]
[Black "Majcher, Igor"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1217"]
[BlackElo "1280"]
[PlyCount "60"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f3 h5 9. Qd2 Be6 10. Be2 Nbd7 11. 0-0 Rc8 12. Kh1 b5 13. a4 b4 14. Nd5 Bxd5 15. exd5 a5 16. Bb5 0-0 17. Bc6 Nc5 18. Nxc5 dxc5 19. Rad1 Bd6 20. Qf2 Qc7 21. Bxc5 Bxc5 22. Qxc5 Nxd5 23. Rxd5 Qxc6 24. Qxa5 Ra8 25. Qb5 Qxc2 26. Qxb4 Rfb8 27. Rb5 Rxb5 28. Qxb5 Qxa4 29. Qxe5 Ra5 30. Qc3 Ra8 1/2-1/2

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.20"]
[Round "2"]
[White "Kozak, Karol"]
[Black "Stachowiak, Bruno"]
[Result "0-1"]
[ECO "B67"]
[WhiteElo "1217"]
[BlackElo "1374"]
[PlyCount "62"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 b5 10. Nxc6 Bxc6 11. e5 dxe5 12. Qxd8+ Rxd8 13. Rxd8+ Kxd8 14. fxe5 h6 15. Bxf6+ gxf6 16. exf6 Rg8 17. Bd3 Rxg2 18. Rd1 Kc7 19. Rd2 Rg4 20. Ne2 h5 21. Ng3 Bh6 22. Be2 Rd4 23. Bd3 h4 24. Ne2 Rd8 25. Nc3 e5 26. Nb1 Rg8 27. c3 Rg2 28. Kc2 Bxd2 29. Nxd2 e4 30. Bf1 Rxh2 31. Kd1 h3 0-1

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.20"]
[Round "3"]
[White "Kudraszow, Filip"]
[Black "Kozak, Karol"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "1313"]
[BlackElo "1217"]
[PlyCount "119"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. 0-0 Rc8 8. Re1 e5 9. Qd3 Bb5 10. Qd1 Be7 11. Nc3 Bc6 12. h3 Nf6 13. Bg5 h6 14. Bxf6 Bxf6 15. Rc1 0-0 16. Nd5 Bxd5 17. Qxd5 Qc7 18. Red1 Be7 19. c4 Qc6 20. b3 Qxd5 21. Rxd5 Rfe8 22. Rcd1 Red8 23. Nh2 h5 24. Nf1 Rc5 25. Ne3 Rxd5 26. Nxd5 Kf8 27. Kf1 Rc8 28. Ke2 Ke8 29. g3 b5 30. cxb5 axb5 31. Kd3 Rc6 32. Nc3 Rb6 33. Nd5 Rc6 34. Nc3 Rb6 35. Rc1 Rc6 36. Rc2 Rb6 37. Nd5 Rb7 38. Rc7 Rxc7 39. Nxc7+ Kd7 40. Nxb5 Kc6 41. Kc4 f5 42. f3 g5 43. g4 fxg4 44. fxg4 hxg4 45. hxg4 Bd8 46. Na7+ Kb7 47. Kd5 Kxa7 48. Kxd6 Bf6 49. Ke6 Bh8 50. Kf5 Kb6 51. Kxg5 Kc5 52. a4 Kd4 53. Kf5 Bg7 54. g5 Bf8 55. g6 Bg7 56. a5 Kc5 57. b4+ Kb5 58. Ke6 Kc4 59. a6 Kd4 60. a7 1-0

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.19"]
[Round "1"]
[White "Wojtacha, Krzysztof"]
[Black "Kozak, Karol"]
[Result "1-0"]
[ECO "B93"]
[WhiteElo "1443"]
[BlackElo "1217"]
[PlyCount "67"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 g6 7. h3 Bg7 8. Be3 Nbd7 9. Qd2 Nc5 10. Bd3 b5 11. a3 Bb7 12. Qe2 Nfxe4 13. Bxe4 Nxe4 14. Nxe4 Bxe4 15. c3 Rc8 16. a4 Bd5 17. axb5 Bc4 18. Qf3 Bxb5 19. Nxb5 axb5 20. h4 b4 21. cxb4 Bxb2 22. Rb1 Bc3+ 23. Kf2 Qd7 24. Rhc1 Bf6 25. Rxc8+ Qxc8 26. Rc1 Qa6 27. Kg3 Kd7 28. f5 Rc8 29. Rxc8 Qxc8 30. b5 gxf5 31. Qxf5+ Kc7 32. Qxh7 Qe8 33. Qc2+ Kb8 34. b6 1-0

