[Event "Katowice rapid op"]
[Site "Katowice"]
[Date "2025.06.02"]
[Round "3"]
[White "Czerwczak, Leon"]
[Black "Burszczan, Piotr"]
[Result "0-1"]
[ECO "A08"]
[BlackElo "1532"]
[PlyCount "42"]
[EventDate "2025.05.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB24_2025"]
[SourceDate "2025.06.11"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.11"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 c5 3. Nf3 Nf6 4. d3 g6 5. 0-0 Bg7 6. Bg5 h6 7. Bxf6 Bxf6 8. Nbd2 Nc6 9. Ne1 Bxb2 10. Rb1 Bg7 11. Bxd5 Qxd5 12. Nef3 Qxa2 13. e4 Bg4 14. Ra1 Bxa1 15. Qe2 Nd4 16. Qe3 Nxc2 17. Qxc5 0-0 18. Qxe7 Rfe8 19. Qf6 Bxf6 20. e5 Bxe5 21. Nxe5 Rxe5 0-1

[Event "Katowice rapid op"]
[Site "Katowice"]
[Date "2025.06.02"]
[Round "5"]
[White "Slobodzian, Daria"]
[Black "Czerwczak, Leon"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "35"]
[EventDate "2025.05.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB24_2025"]
[SourceDate "2025.06.11"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.11"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Bg7 3. Nc3 d6 4. Bc4 Nf6 5. a3 0-0 6. d3 e5 7. Be3 Bg4 8. Qd2 Bxf3 9. gxf3 Nc6 10. 0-0-0 Qd7 11. Bh6 Nh5 12. Bxg7 Nxg7 13. Qh6 a6 14. Rhg1 Nd4 15. Nd5 Nxf3 16. Nf6+ Kh8 17. Nxd7 Rfd8 18. Nf6 1-0

[Event "Katowice rapid op"]
[Site "Katowice"]
[Date "2025.05.31"]
[Round "4"]
[White "Canibol, Jakub"]
[Black "Czerwczak, Leon"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "85"]
[EventDate "2025.05.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB24_2025"]
[SourceDate "2025.06.11"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.11"]
[SourceQuality "1"]

1. e4 g6 2. Nc3 Bg7 3. Bc4 d6 4. Qf3 Nf6 5. b3 0-0 6. Bb2 e5 7. 0-0-0 Bg4 8. Qe3 Bxd1 9. Nxd1 Nc6 10. Ne2 Qd7 11. f4 b6 12. fxe5 dxe5 13. Ndc3 Nb4 14. Kb1 Ng4 15. Qf3 Qxd2 16. Bd3 Qg5 17. Bc1 Qh4 18. g3 Qh3 19. Ng1 Qxh2 20. Rxh2 Nxh2 21. Qg2 Ng4 22. Ba3 Nxd3 23. cxd3 h5 24. Bxf8 Rxf8 25. Nd5 Bh6 26. Nxc7 Ne3 27. Qd2 Nd5 28. Qxh6 Nxc7 29. Qg5 Kg7 30. Qxe5+ f6 31. Qxc7+ Rf7 32. Qc4 g5 33. Nf3 Kg6 34. Nd4 Rd7 35. Qg8+ Rg7 36. Qd5 Rh7 37. Qf5+ Kg7 38. e5 Rh6 39. Ne6+ Kf7 40. Nxg5+ Ke7 41. exf6+ Rxf6 42. Qe5+ Re6 43. Qxe6+ 1-0

[Event "Katowice rapid op"]
[Site "Katowice"]
[Date "2025.05.31"]
[Round "7"]
[White "Czerwczak, Leon"]
[Black "Piotrowska, Jadwiga"]
[Result "0-1"]
[ECO "A07"]
[BlackElo "1444"]
[PlyCount "84"]
[EventDate "2025.05.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB24_2025"]
[SourceDate "2025.06.11"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.11"]
[SourceQuality "1"]

1. g3 Nc6 2. Bg2 Nf6 3. Nf3 e5 4. d3 d5 5. 0-0 Bg4 6. Nc3 Qd7 7. Bg5 Be7 8. Bxf6 Bxf6 9. b3 e4 10. Nd2 Bxc3 11. h3 Bxh3 12. Bxh3 Qxh3 13. dxe4 Bxa1 14. Qxa1 0-0 15. exd5 Ne7 16. c4 Rad8 17. Nf3 c6 18. Nh4 cxd5 19. e3 dxc4 20. bxc4 Ng6 21. Nf3 Qg4 22. Nh2 Qxc4 23. Nf3 Qe4 24. Kg2 Ne5 25. Qxe5 Qxe5 26. Nxe5 f6 27. Nf3 Rd6 28. Rb1 Rb8 29. Rb5 Ra6 30. Rh5 Rxa2 31. e4 Re8 32. e5 Ra5 33. Rh4 fxe5 34. Ng5 h6 35. Ne4 Ra4 36. Nd6 Rxh4 37. Nxe8 Rb4 38. Nd6 a5 39. Kf1 a4 40. Ke2 a3 41. Kd1 a2 42. Kc2 a1Q 0-1

[Event "Katowice rapid op"]
[Site "Katowice"]
[Date "2025.05.31"]
[Round "1"]
[White "Czerwczak, Leon"]
[Black "Plowy, Karol"]
[Result "0-1"]
[ECO "A49"]
[BlackElo "1851"]
[PlyCount "42"]
[EventDate "2025.05.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB24_2025"]
[SourceDate "2025.06.11"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.11"]
[SourceQuality "1"]

1. g3 Nf6 2. Nf3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d6 6. e3 Nbd7 7. Nc3 c6 8. Bd2 e5 9. e4 exd4 10. Nxd4 Nc5 11. b4 Ne6 12. Nxe6 Bxe6 13. Bg5 h6 14. Bxf6 Qxf6 15. Qxd6 Qxc3 16. Rad1 Rad8 17. Qc7 Rxd1 18. Rxd1 Qxc2 19. Qxb7 Qxd1+ 20. Bf1 Bh3 21. Kh1 Qxf1# 0-1

[Event "Katowice rapid op"]
[Site "Katowice"]
[Date "2025.05.31"]
[Round "2"]
[White "Wozniak, Andrzej1"]
[Black "Czerwczak, Leon"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1643"]
[PlyCount "49"]
[EventDate "2025.05.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB24_2025"]
[SourceDate "2025.06.11"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.11"]
[SourceQuality "1"]

1. e4 g6 2. Bc4 Bg7 3. Nf3 Nf6 4. e5 Ne4 5. d3 Nc5 6. b4 Na4 7. c3 0-0 8. Qxa4 e6 9. 0-0 Nc6 10. d4 Ne7 11. Ba3 c6 12. Nbd2 b5 13. Bxb5 cxb5 14. Qxb5 d5 15. exd6 Qxd6 16. Qa4 Bb7 17. b5 Bxf3 18. Bxd6 Be2 19. Rfe1 Bh5 20. Bxe7 Rfe8 21. Bc5 Bf6 22. Qb4 Be7 23. Bxe7 Rxe7 24. Qxe7 Rf8 25. Qxa7 1-0

