[Event "Bydgoszcz PGNiG Blitz"]
[Site "Bydgoszcz"]
[Date "2021.09.19"]
[Round "1"]
[White "Okonski, Mateusz"]
[Black "Leniart, Arkadiusz"]
[Result "0-1"]
[ECO "D51"]
[WhiteElo "1548"]
[BlackElo "2465"]
[PlyCount "64"]
[EventDate "2021.09.19"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 dxc4 6. e3 h6 7. Bh4 Nb6 8. Ne5 Be7 9. Nxc4 0-0 10. Bd3 Nxc4 11. Bxc4 b6 12. 0-0 Bb7 13. Rc1 Nd7 14. Bg3 a6 15. e4 b5 16. Bd3 c5 17. dxc5 Nxc5 18. Bb1 b4 19. Ne2 Nxe4 20. Qxd8 Bxd8 21. Bxe4 Bxe4 22. f3 Bd3 23. Rf2 Bb6 24. Nf4 Bb5 25. Kh1 Bxf2 26. Bxf2 Rac8 27. Re1 Rc2 28. Bd4 Rd8 29. Be5 f6 30. Bxf6 gxf6 31. Nxe6 Re8 32. f4 Rxe6 0-1

[Event "Bydgoszcz PGNiG Rapid"]
[Site "Bydgoszcz"]
[Date "2021.09.18"]
[Round "1"]
[White "Kolosowski, Mateusz"]
[Black "Okonski, Mateusz"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2448"]
[BlackElo "1548"]
[PlyCount "49"]
[EventDate "2021.09.18"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. Bb5+ Bd7 6. a4 a6 7. Be2 Nf6 8. Nf3 0-0 9. h3 e6 10. 0-0 Re8 11. Bf4 e5 12. Be3 Nh5 13. Qd2 Bh8 14. Nh2 Ng7 15. f4 exf4 16. Bxf4 Qb6 17. Rae1 f5 18. Bc4 Nh5 19. exf5 Rxe1 20. Qxe1 Nxf4 21. Rxf4 Be5 22. Re4 Bxf5 23. Rxe5 dxe5 24. Qxe5 Kf8 25. d6 1-0

[Event "Bydgoszcz U18 op 30th"]
[Site "Bydgoszcz"]
[Date "2013.01.14"]
[Round "7.9"]
[White "Borkowska, Zuzanna"]
[Black "Okonski, Mateusz"]
[Result "0-1"]
[ECO "D93"]
[WhiteElo "1247"]
[BlackElo "1579"]
[PlyCount "67"]
[EventDate "2013.01.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. Nc3 g6 4. Bf4 Bg7 5. e3 c6 6. Nf3 0-0 7. Bd3 Qb6 8. Qc2 dxc4 9. Bxc4 Bf5 10. e4 Bg4 11. Na4 Qd8 12. Ne5 b5 13. Bxf7+ Rxf7 14. Nxf7 Kxf7 15. Qb3+ Be6 16. Qb4 bxa4 17. Qxa4 Nxe4 18. Bxb8 Rxb8 19. Qxc6 Qa5+ 20. Kf1 Qb5+ 21. Qxb5 Rxb5 22. f3 Nd2+ 23. Ke2 Rxb2 24. Kd3 Bf5+ 25. Kc3 Rc2+ 26. Kb4 Rc4+ 27. Kb5 Bxd4 28. Rad1 a6+ 29. Kxa6 Ra4+ 30. Kb5 Rxa2 31. Kc6 Rc2+ 32. Kb5 Rb2+ 33. Kc6 Rc2+ 34. Kb5 0-1

[Event "Bydgoszcz U18 op 30th"]
[Site "Bydgoszcz"]
[Date "2013.01.14"]
[Round "5.4"]
[White "Budnik, Mateusz"]
[Black "Okonski, Mateusz"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1698"]
[BlackElo "1579"]
[PlyCount "63"]
[EventDate "2013.01.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. f4 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 Nc6 5. Nf3 d5 6. Bb5 Bd7 7. 0-0 a6 8. Bxc6 Bxc6 9. Ne5 Qd6 10. d3 Nd7 11. Nc4 dxc4 12. Bxg7 Rg8 13. Bb2 cxd3 14. Qxd3 Qe6 15. Qe2 0-0-0 16. Nd2 Nb6 17. c4 g5 18. f5 Qh6 19. Nf3 Bxf3 20. Rxf3 g4 21. Rf4 Nd7 22. Rd1 e6 23. fxe6 Qxe6 24. Rdf1 Rdf8 25. Qf2 f5 26. Rd4 Ne5 27. Rd5 Ng6 28. Rxf5 Kb8 29. Bd4 Qe4 30. Rxf8+ Nxf8 31. Qxf8+ Rxf8 32. Rxf8+ 1-0

[Event "Bydgoszcz U18 op 30th"]
[Site "Bydgoszcz"]
[Date "2013.01.14"]
[Round "4.4"]
[White "Kopaczewski, Adam"]
[Black "Okonski, Mateusz"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "1456"]
[BlackElo "1579"]
[PlyCount "57"]
[EventDate "2013.01.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 Nc6 6. Bc4 0-0 7. e5 Ng4 8. h3 Nh6 9. Be3 Nf5 10. Qd2 Nxe3 11. Qxe3 Nb4 12. 0-0-0 a6 13. a3 Nc6 14. g4 e6 15. h4 b5 16. Ba2 b4 17. Ne4 bxa3 18. Qxa3 Rb8 19. exd6 cxd6 20. Qxd6 Qb6 21. Bb3 Rd8 22. Qc5 Nxd4 23. Nxd4 Bxd4 24. Rxd4 Rxd4 25. Nf6+ Kg7 26. Ne8+ Kg8 27. Nf6+ Kg7 28. Ne8+ Kg8 29. Nf6+ 1/2-1/2

[Event "Bydgoszcz U18 op 30th"]
[Site "Bydgoszcz"]
[Date "2013.01.14"]
[Round "9.6"]
[White "Okonski, Mateusz"]
[Black "Chalas, Dawid"]
[Result "1/2-1/2"]
[ECO "C62"]
[WhiteElo "1579"]
[BlackElo "1343"]
[PlyCount "134"]
[EventDate "2013.01.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. 0-0 exd4 6. Nxd4 Nxd4 7. Bxd7+ Qxd7 8. Qxd4 Nf6 9. e5 dxe5 10. Qxe5+ Be7 11. Bf4 0-0-0 12. Qe3 Kb8 13. Nc3 Rde8 14. Rad1 Qc6 15. Qd3 Bc5 16. a3 h6 17. b4 Bb6 18. a4 g5 19. Bc1 a6 20. a5 Ba7 21. Bb2 Rhg8 22. b5 axb5 23. Nxb5 Bc5 24. Nd4 Qd6 25. Nf5 Qxd3 26. Rxd3 Rg6 27. Ba3 Ne4 28. Bxc5 Nxc5 29. Rh3 Ree6 30. Rd1 Rgf6 31. Ne3 Ra6 32. Ng4 Rfe6 33. Rf3 Rxa5 34. Rxf7 Raa6 35. h3 Rac6 36. Ne3 Rf6 37. Rh7 Ne4 38. f3 Nc5 39. Nd5 Rfd6 40. Rh8+ Ka7 41. Ra1+ Na6 42. Ne7 Re6 43. Nxc6+ Rxc6 44. Ra2 Kb6 45. Kf1 Rd6 46. Re8 Ka7 47. Re7 Kb6 48. g3 Nc5 49. Ke2 Rd4 50. Ke3 Rd1 51. Rf7 Rd6 52. f4 Re6+ 53. Kf3 gxf4 54. gxf4 Ne4 55. h4 h5 56. f5 Re8 57. Rh7 Nd2+ 58. Kf4 Re4+ 59. Kg5 Nf3+ 60. Kxh5 Rxh4+ 61. Kg6 Ne5+ 62. Kg7 Rg4+ 63. Kf6 Re4 64. Re7 Ng4+ 65. Kf7 Nh6+ 66. Kf6 Ng8+ 67. Kf7 Nxe7 1/2-1/2

[Event "Bydgoszcz U18 op 30th"]
[Site "Bydgoszcz"]
[Date "2013.01.14"]
[Round "1.9"]
[White "Okonski, Mateusz"]
[Black "Jozwik, Kacper"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1579"]
[BlackElo "1309"]
[PlyCount "80"]
[EventDate "2013.01.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. Be2 b5 5. a3 Bb7 6. d3 Nf6 7. Bf4 d6 8. 0-0 Nc6 9. Re1 Be7 10. e5 dxe5 11. Nxe5 Nxe5 12. Bxe5 0-0 13. Bf3 Bxf3 14. Qxf3 Nd7 15. Bg3 Qc8 16. Ne4 f5 17. Nd6 Bxd6 18. Bxd6 Re8 19. Re2 Nf6 20. Rae1 Ra7 21. Qe3 Ng4 22. Qxc5 Qxc5 23. Bxc5 Rc7 24. b4 Rc6 25. c4 Nf6 26. f3 Nd7 27. cxb5 axb5 28. d4 Nxc5 29. dxc5 Kf7 30. Rd2 Ra6 31. Rd7+ Re7 32. Rxe7+ Kxe7 33. Re3 Kd7 34. Rd3+ Kc7 35. Kf2 e5 36. Re3 Re6 37. f4 e4 38. h3 h5 39. Rg3 g6 40. Re3 h4 1/2-1/2

[Event "Bydgoszcz U18 op 30th"]
[Site "Bydgoszcz"]
[Date "2013.01.14"]
[Round "6.7"]
[White "Okonski, Mateusz"]
[Black "Paliwoda, Borys"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "1579"]
[BlackElo "1481"]
[PlyCount "166"]
[EventDate "2013.01.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. e3 0-0 6. Bd3 c5 7. cxd5 exd5 8. dxc5 Bxc5 9. h3 b6 10. 0-0 Bb7 11. a3 Nc6 12. b4 Be7 13. Bb2 Kh8 14. Qc2 h6 15. Rfe1 Rc8 16. Rad1 Bd6 17. Qb3 Ne5 18. Nxe5 Bxe5 19. e4 d4 20. Ne2 Nxe4 21. Bxd4 Bd5 22. Qb2 Bxd4 23. Nxd4 Nf6 24. Ba6 Rc7 25. Nf5 Kh7 26. Ne3 Qa8 27. Nxd5 Nxd5 28. Qe5 Re7 29. Qg3 Rxe1+ 30. Rxe1 Nf6 31. Qc7 Kg8 32. Bc4 Nd5 33. Bxd5 Qxd5 34. Qxa7 Qc6 35. Qe7 Rc8 36. Qe4 Qc7 37. a4 Qc4 38. Qxc4 Rxc4 39. Rb1 Kf8 40. Kf1 Ke7 41. a5 bxa5 42. bxa5 Ra4 43. Rb5 Kd6 44. Rb7 Rxa5 45. Rxf7 Rg5 46. g4 Ke6 47. Ra7 Kf6 48. Ke2 Rb5 49. Ra3 g5 50. Ke3 Rb4 51. Kf3 Rc4 52. Kg3 Rc2 53. f3 Rc4 54. h4 Kg6 55. Ra6+ Kg7 56. hxg5 hxg5 57. Ra5 Kg6 58. Rf5 Rc3 59. Rd5 Rb3 60. Kf2 Rc3 61. Ke2 Rb3 62. Rd3 Rb4 63. Ke3 Rf4 64. Rd4 Rf6 65. Re4 Kg7 66. Re5 Kg6 67. Ke4 Rf4+ 68. Ke3 Rf6 69. Ra5 Re6+ 70. Kd4 Rf6 71. Ke4 Rf4+ 72. Ke3 Rf6 73. Ra3 Kg7 74. Ke4 Kg6 75. Ke5 Kg7 76. Rd3 Rf4 77. Rd7+ Kg6 78. Rd6+ Kg7 79. Rd3 Kg6 80. Re3 Rf6 81. Kd5 Rf4 82. Re6+ Kg7 83. Re5 Kg6 1/2-1/2

[Event "Bydgoszcz U18 op 30th"]
[Site "Bydgoszcz"]
[Date "2013.01.14"]
[Round "3.5"]
[White "Okonski, Mateusz"]
[Black "Walczak, Mikolaj"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "1579"]
[BlackElo "1399"]
[PlyCount "67"]
[EventDate "2013.01.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e4 d6 6. Be2 e5 7. d5 Nbd7 8. h3 Nc5 9. Qc2 a5 10. 0-0 Ne8 11. Be3 f5 12. Bxc5 dxc5 13. exf5 gxf5 14. Rad1 Nd6 15. Nd2 Qg5 16. Nb5 f4 17. Nf3 Qe7 18. Nxd6 cxd6 19. Bd3 Bh6 20. Nh2 f3 21. Nxf3 Rxf3 22. gxf3 Qg7+ 23. Kh1 Qd7 24. Rg1+ Kf8 25. Rg2 Qxh3+ 26. Rh2 Qxf3+ 27. Kg1 Qg4+ 28. Kf1 Bg5 29. Rxh7 Kg8 30. Qe2 Qxe2+ 31. Kxe2 Bg4+ 32. f3 Bxf3+ 33. Kxf3 Rf8+ 34. Ke2 0-1

