[Event "Poznan op 28th"]
[Site "Poznan"]
[Date "2021.08.22"]
[Round "9"]
[White "Cholewa, Jan"]
[Black "Czyzewski, Leon"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "1250"]
[BlackElo "1086"]
[PlyCount "100"]
[EventDate "2021.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Nd7 7. 0-0 Be7 8. Bxc6 bxc6 9. Nxd4 Nxe5 10. Re1 c5 11. Rxe5 cxd4 12. Qxd4 Be6 13. Qa4+ Bd7 14. Qb3 Be6 15. Qb5+ Qd7 16. Qxd7+ Kxd7 17. c3 Bf6 18. Re2 Rhe8 19. Na3 Bf5 20. Be3 Re7 21. Rd2 c6 22. c4 Be6 23. Bc5 Ree8 24. Rc1 Rab8 25. b3 Bg5 26. Be3 Bxe3 27. fxe3 f6 28. e4 Bf7 29. cxd5 cxd5 30. exd5 Re5 31. d6 Rd5 32. Rxd5 Bxd5 33. Rc7+ Kxd6 34. Rxg7 Rb7 35. Nc4+ Kc5 36. Rxb7 Bxb7 37. Kf2 Bd5 38. Ne3 Be6 39. Ke2 Kb4 40. Kd2 Ka3 41. Kc3 Kxa2 42. Nc4 h5 43. h4 f5 44. g3 a6 45. Kb4 Bd7 46. Kc3 Be6 47. Kb4 Bd7 48. Kc3 Be6 49. Na5 Ka3 50. Nc4+ Ka2 1/2-1/2

[Event "Poznan op 28th"]
[Site "Poznan"]
[Date "2021.08.21"]
[Round "8"]
[White "Czyzewski, Leon"]
[Black "Kupsik, Joanna"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1086"]
[BlackElo "1736"]
[PlyCount "88"]
[EventDate "2021.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. e3 Bg4 4. h3 Bh5 5. g4 Bg6 6. Bd3 Nf6 7. Bxg6 hxg6 8. Ng5 Qd7 9. Qf3 e5 10. c3 0-0-0 11. Na3 Re8 12. Nc2 Bd6 13. Bd2 e4 14. Qg2 Ng8 15. f3 Qe7 16. fxe4 dxe4 17. h4 f6 18. Nh3 Rxh4 19. 0-0-0 g5 20. Be1 Rh8 21. Bg3 Nh6 22. Bxd6 Qxd6 23. Nf2 Qd5 24. Kb1 Qd7 25. Rhf1 Nf7 26. d5 Nce5 27. Qxe4 Nd6 28. Qd4 Kb8 29. Nb4 Qb5 30. Ne4 Nxe4 31. Qxe4 Nc4 32. Qg6 Nxe3 33. Rfe1 Nxd1 34. Nc6+ bxc6 35. Rxe8+ Rxe8 36. Qxe8+ Kb7 37. dxc6+ Qxc6 38. Qe2 Qd5 39. c4 Qd4 40. Qf3+ c6 41. Qb3+ Kc7 42. Qg3+ Kd7 43. Kc2 Ne3+ 44. Kc1 Qd1# 0-1

[Event "Poznan op 28th"]
[Site "Poznan"]
[Date "2021.08.20"]
[Round "7"]
[White "Skrzypczak, Jakub"]
[Black "Czyzewski, Leon"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1350"]
[BlackElo "1086"]
[PlyCount "69"]
[EventDate "2021.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 Bg7 5. Nf3 e6 6. Nc3 a6 7. Bd3 Nc6 8. Be3 Nge7 9. 0-0 0-0 10. Qd2 Re8 11. Be2 f5 12. Bg5 Qb6 13. Rfd1 fxe4 14. Nxe4 Nf5 15. Nf6+ Bxf6 16. Bxf6 Rf8 17. Qg5 Qxb2 18. Bd3 Ncxd4 19. Ne5 Nc6 20. Nxd7 Rxf6 21. Nxf6+ Kg7 22. Nh5+ Kf7 23. Bxf5 exf5 24. Rdb1 Qc3 25. Rb3 Qe5 26. Re3 Qb2 27. Qh6 gxh5 28. Qxh5+ Kf8 29. Qh6+ Kg8 30. Re8+ Kf7 31. Qxh7+ Qg7 32. Qxg7+ Kxg7 33. f4 Kf7 34. Rae1 b5 35. Kf2 0-1

[Event "Poznan op 28th"]
[Site "Poznan"]
[Date "2021.08.19"]
[Round "6"]
[White "Czyzewski, Leon"]
[Black "Purczynski, Andrzej"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1086"]
[BlackElo "1221"]
[PlyCount "79"]
[EventDate "2021.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. Nc3 Be6 5. e3 c5 6. Nge2 Bg4 7. h3 Bf5 8. Nf4 cxd4 9. exd4 Bb4 10. Qe2+ Kf8 11. Qb5 Qe7+ 12. Be2 Bxc3+ 13. bxc3 Qd7 14. Qc5+ Ke8 15. Nxd5 Na6 16. Bxa6 Qe6+ 17. Be2 Rc8 18. Nc7+ Rxc7 19. Qxc7 Qc8 20. Qxc8+ Bxc8 21. 0-0 Kd7 22. Bg4+ Ke7 23. Bxc8 Rxc8 24. Rfe1+ Kd6 25. Rab1 b6 26. Re3 Rc7 27. Rbe1 g6 28. c4 f5 29. c5+ bxc5 30. dxc5+ Rxc5 31. Rd3+ Kc6 32. Ree3 Kb7 33. Rb3+ Ka6 34. Rec3 Rd5 35. Rc4 Rd1+ 36. Kh2 Rd5 37. Ra4+ Ra5 38. Rxa5+ Kxa5 39. c4 Ka4 40. c5 1-0

[Event "Poznan op 28th"]
[Site "Poznan"]
[Date "2021.08.18"]
[Round "5"]
[White "Nicikowski, Jozef"]
[Black "Czyzewski, Leon"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1372"]
[BlackElo "1086"]
[PlyCount "63"]
[EventDate "2021.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. Nc3 Nc6 4. b3 Nf6 5. Bb2 Bg7 6. d3 0-0 7. Be2 d6 8. h3 Be6 9. 0-0 a6 10. a4 Rb8 11. Re1 b5 12. axb5 axb5 13. Ng5 Nd4 14. Nxe6 fxe6 15. Bf1 Qd7 16. Ne2 Nxe2+ 17. Qxe2 Nh5 18. Bxg7 Kxg7 19. e5 d5 20. Ra6 Kh8 21. Rea1 Nf4 22. Qe3 d4 23. Qe4 Nd5 24. Ra7 Rb7 25. Ra8 Rxa8 26. Rxa8+ Kg7 27. Qf3 Kh6 28. Qf8+ Kg5 29. h4+ Kxh4 30. Qh6+ Kg4 31. Rf8 Qc7 32. Be2# 1-0

[Event "Poznan op 28th"]
[Site "Poznan"]
[Date "2021.08.17"]
[Round "4"]
[White "Czyzewski, Leon"]
[Black "Czarnolewski, Piotr"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1086"]
[BlackElo "1562"]
[PlyCount "108"]
[EventDate "2021.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. c4 g6 4. Nf3 Bg7 5. Nc3 Na6 6. e3 Nc7 7. Be2 Nf6 8. 0-0 0-0 9. Qc2 Bd7 10. b3 Ng4 11. Bb2 Ne5 12. Nxe5 dxe5 13. Ne4 b6 14. Bf3 Ne8 15. Rfd1 Nd6 16. g3 Bf5 17. Bg2 Qd7 18. f4 f6 19. Rd2 a5 20. a4 Rae8 21. Rad1 h6 22. Rf2 Kh7 23. Ba1 Rd8 24. Rfd2 Rf7 25. Bb2 Rff8 26. Ba1 Qe8 27. Bb2 Kh8 28. Ba1 g5 29. Rf2 Qg6 30. fxg5 Bxe4 31. Bxe4 Qxe4 32. Qxe4 Nxe4 33. Rf5 hxg5 34. h4 Nxg3 35. Rf3 gxh4 36. Rd2 Bh6 37. Rh2 Rg8 38. Kf2 Ne4+ 39. Ke2 Rg4 40. Rfh3 Bg5 41. Kf3 f5 42. Bxe5+ Kg8 43. Bc7 Rd7 44. Bxb6 Rb7 45. Bxa5 Rxb3 46. Re2 Ra3 47. Bc7 Rxa4 48. Be5 Rxc4 49. Ra2 Kf7 50. Ra7 Rc2 51. Rh2 Rxh2 52. Bxh2 Kg6 53. Ra4 Nd2+ 54. Ke2 Rxa4 0-1

[Event "Poznan op 28th"]
[Site "Poznan"]
[Date "2021.08.16"]
[Round "3"]
[White "Korzystka, Wiktor"]
[Black "Czyzewski, Leon"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1303"]
[BlackElo "1086"]
[PlyCount "72"]
[EventDate "2021.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 g6 3. g3 Nc6 4. Bg2 Nf6 5. d3 Bg7 6. 0-0 0-0 7. Nbd2 d6 8. Re1 Re8 9. h4 Bg4 10. Nf1 Ne5 11. N1h2 Nxf3+ 12. Nxf3 Nd7 13. c3 Ne5 14. Be3 Qb6 15. Rb1 Qa6 16. d4 Nxf3+ 17. Bxf3 Bxf3 18. Qxf3 cxd4 19. cxd4 Qxa2 20. h5 Qb3 21. hxg6 fxg6 22. Qg4 Rf8 23. d5 Qb4 24. Qe6+ Rf7 25. Bg5 Qd4 26. Re3 Qe5 27. f4 Qd4 28. Kf2 Qd2+ 29. Kf3 Bd4 30. Ree1 Qf2+ 31. Kg4 Qg2 32. Bh4 Raf8 33. Rbc1 Kg7 34. Rf1 h5+ 35. Kg5 Bf6+ 36. Qxf6+ exf6# 0-1

[Event "Poznan op 28th"]
[Site "Poznan"]
[Date "2021.08.15"]
[Round "2"]
[White "Czyzewski, Leon"]
[Black "Grynia, Jakub"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1086"]
[BlackElo "1399"]
[PlyCount "97"]
[EventDate "2021.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Poland"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. e5 Nd5 5. Bxe7 Qxe7 6. a3 d6 7. Nf3 Nc6 8. c4 Nb6 9. Be2 dxe5 10. Nxe5 Nxe5 11. dxe5 Qc5 12. f4 Qc6 13. 0-0 Nxc4 14. Qd4 Qb6 15. Qxb6 Nxb6 16. Nc3 Bd7 17. Bf3 0-0-0 18. Rac1 Na4 19. Ne4 Kb8 20. b3 Nb6 21. Nc5 Bc8 22. Rfd1 Nd5 23. f5 c6 24. fxe6 Bxe6 25. Nxe6 fxe6 26. Bg4 Nc7 27. Rd6 Rxd6 28. exd6 Nd5 29. Bxe6 Rd8 30. Bxd5 cxd5 31. Rc7 Rxd6 32. Rxg7 d4 33. Kf1 h6 34. Ke2 a6 35. Kd3 Rb6 36. b4 a5 37. Kxd4 axb4 38. Kc5 Ka7 39. axb4 Rc6+ 40. Kd5 Rb6 41. Rg4 Rb5+ 42. Ke6 Rh5 43. Kd7 Rxh2 44. b5 Kb6 45. Rg6+ Kxb5 46. Kc7 Kc5 47. Kxb7 h5 48. g4 hxg4 49. Rxg4 1/2-1/2

[Event "Poznan op 28th"]
[Site "Poznan"]
[Date "2021.08.15"]
[Round "1"]
[White "Jaworski, Mateusz"]
[Black "Czyzewski, Leon"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "1712"]
[BlackElo "1086"]
[PlyCount "95"]
[EventDate "2021.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Qd4 Nf6 7. e5 Qa5+ 8. Bd2 Qd5 9. Qxd5 Nxd5 10. c4 Nb6 11. Bc3 Bg7 12. a4 d5 13. exd6 Bxc3+ 14. Nxc3 exd6 15. 0-0-0 d5 16. cxd5 cxd5 17. Nxd5 0-0 18. Nxb6 axb6 19. Bb5 Be6 20. Rd6 Rfc8+ 21. Kd2 Bb3 22. Rc1 Rxc1 23. Kxc1 Rc8+ 24. Kb1 Rc5 25. Rxb6 Re5 26. Rc6 Re1+ 27. Rc1 Re4 28. f3 Rd4 29. a5 Rd5 30. Bc4 Bxc4 31. Rxc4 Rxa5 32. b4 Rb5 33. Kc2 Kf8 34. Kb3 Ke7 35. Rc7+ Ke6 36. Kc4 Rf5 37. b5 Kd6 38. Rc6+ Kd7 39. Kb4 Rh5 40. h3 Rg5 41. Rc2 Rd5 42. Ka5 Rd1 43. Kb6 Rb1 44. Ka6 Ra1+ 45. Kb7 Rb1 46. b6 Ra1 47. Rc7+ Ke8 48. Kb8 1-0

