[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "4"]
[White "Oczachowski, Jan"]
[Black "Chmielek, Milan"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1059"]
[BlackElo "1372"]
[PlyCount "90"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. Nc3 e6 5. d3 Be7 6. 0-0 0-0 7. Bg5 a6 8. a4 Nc6 9. Qe2 Re8 10. Rad1 d5 11. Ba2 Nb4 12. Bb3 d4 13. Na2 Nc6 14. c3 e5 15. cxd4 cxd4 16. Rfe1 Nd7 17. Bxe7 Qxe7 18. Nd2 Nc5 19. Bd5 Nxa4 20. Nf3 Be6 21. Bxe6 Qxe6 22. Nc1 Rac8 23. b3 Nc3 24. Qd2 Nxd1 25. Rxd1 Qe7 26. Ng5 h6 27. Nf3 Nb4 28. Nxe5 Rc2 29. Qe1 a5 30. Nf3 Rxc1 31. Rxc1 Nxd3 32. Qd2 Nxc1 33. Qxc1 Qxe4 34. h3 d3 35. Nd2 Qe1+ 36. Qxe1 Rxe1+ 37. Kh2 Re2 38. Nb1 Rb2 39. Nc3 d2 40. Kg3 Rxb3 41. Kf3 Rxc3+ 42. Ke4 d1Q 43. Ke5 Qd3 44. Kf4 Rc5 45. Kg4 g5 0-1

[Event "POL-chT3 Kujawsko-Pomorskie 2223"]
[Site "Poland"]
[Date "2023.??.??"]
[Round "4.47"]
[White "Kazaniecki, Patryk"]
[Black "Oczachowski, Jan"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1534"]
[PlyCount "75"]
[EventDate "2022.11.13"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 e5 3. c4 d4 4. d3 Bxg4 5. Bxb7 Nd7 6. Bxa8 Qxa8 7. f3 Ngf6 8. Bg5 Bb4+ 9. Nd2 0-0 10. a3 Be7 11. Ne4 Be6 12. h4 Re8 13. Nh3 Nxe4 14. fxe4 Bxg5 15. hxg5 Bf5 16. Nf2 Bg6 17. b4 c5 18. b5 a6 19. a4 Nb6 20. a5 Nd7 21. b6 Rb8 22. Qa4 Rb7 23. Qc6 Qb8 24. Rb1 Kf8 25. Kd2 Ke7 26. Ng4 f5 27. gxf6+ gxf6 28. Rhf1 h5 29. Nxf6 Nxf6 30. Qxf6+ Kd7 31. Qg7+ Kc6 32. Rf6+ Qd6 33. Rxd6+ Kxd6 34. Qxg6+ Kd7 35. Rf1 Kc8 36. Rf8+ Kd7 37. Rf7+ Kd8 38. Qg8# 1-0

[Event "POL-chT3 Kujawsko-Pomorskie 2223"]
[Site "Poland"]
[Date "2023.??.??"]
[Round "6.54"]
[White "Krol, Piotr1111"]
[Black "Oczachowski, Jan"]
[Result "1-0"]
[ECO "B15"]
[PlyCount "47"]
[EventDate "2022.11.13"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 Qa5 4. Bd2 Be6 5. Nf3 Nd7 6. Nxd5 Qd8 7. Ne3 g6 8. Bd3 Nh6 9. Ng5 Qc7 10. Qf3 Nf6 11. Nxe6 fxe6 12. c4 0-0-0 13. Bc3 Bg7 14. 0-0-0 Rhf8 15. Qe2 Nf7 16. e5 Nh5 17. g3 c5 18. d5 Nxe5 19. f4 Nxd3+ 20. Rxd3 exd5 21. Nxd5 Qb8 22. Qe6+ Rd7 23. Nxe7+ Kc7 24. Rxd7# 1-0

[Event "POL-chT3 Kujawsko-Pomorskie 2223"]
[Site "Poland"]
[Date "2023.??.??"]
[Round "5.54"]
[White "Oczachowski, Jan"]
[Black "Cieslik, Kacper"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "84"]
[EventDate "2022.11.13"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. 0-0 0-0 7. Be3 d6 8. Bxc5 dxc5 9. Qd2 Re8 10. Rad1 Bg4 11. Rfe1 Nd4 12. Nxd4 Bxd1 13. Rxd1 cxd4 14. Ne2 a5 15. f4 Ng4 16. fxe5 Ne3 17. Re1 Rxe5 18. Nxd4 Nxc4 19. dxc4 Qe7 20. Qf4 Ra6 21. Nf5 Qc5+ 22. Kh1 Rf6 23. Qg4 Rfxf5 24. Qxf5 Rxf5 25. exf5 Qxf5 26. h3 Qxc2 27. g4 Qxc4 28. Re8+ Kh7 29. g5 Qc6+ 30. Re4 Qxe4+ 31. Kg1 Qb1+ 32. Kf2 Qxb2+ 33. Ke3 c5 34. a4 c4 35. g6+ Kxg6 36. h4 c3 37. h5+ Kxh5 38. Kd3 c2 39. Ke4 c1Q 40. Kf3 Qd4 41. Ke2 Qcd2+ 42. Kf3 Q4f4# 0-1

[Event "POL-chT3 Kujawsko-Pomorskie 2223"]
[Site "Poland"]
[Date "2022.??.??"]
[Round "3.49"]
[White "Oczachowski, Jan"]
[Black "Drozdowski, Winicjusz"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "98"]
[EventDate "2022.11.13"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. e4 b5 5. a3 g6 6. b3 cxb3 7. Qxb3 Qxd4 8. Bb2 Be6 9. Nxb5 Qxe4+ 10. Qe3 Qxe3+ 11. fxe3 cxb5 12. Bxh8 f6 13. Bd3 a6 14. Rc1 Nh6 15. Nf3 Nf7 16. Nd4 Bd7 17. Be4 Ra7 18. Bxf6 exf6 19. Nc6 Nxc6 20. Bxc6 Bxc6 21. Rxc6 f5 22. Rf1 Bxa3 23. Rf4 Ne5 24. Re6+ Re7 25. Rxe7+ Bxe7 26. Ke2 a5 27. e4 a4 28. Kd1 a3 29. Rf2 b4 30. Kc2 Bc5 31. Rd2 a2 32. Kb2 Nc4+ 33. Kxa2 Nxd2 34. exf5 gxf5 35. Kb2 f4 36. Kc2 Ne4 37. Kb3 h5 38. h4 Be7 39. g4 fxg3 40. Kc2 g2 41. Kd3 Nf6 42. Kd2 g1Q 43. Kc2 Qc5+ 44. Kd3 b3 45. Ke2 Qc3 46. Kf2 b2 47. Ke2 b1R 48. Kf2 Rb2+ 49. Kf1 Qc1# 0-1

[Event "POL-chT3 Kujawsko-Pomorskie 2223"]
[Site "Poland"]
[Date "2022.??.??"]
[Round "2.38"]
[White "Oczachowski, Jan"]
[Black "Kozielski, Miroslaw"]
[Result "0-1"]
[ECO "B12"]
[BlackElo "1545"]
[PlyCount "68"]
[EventDate "2022.11.13"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d6 3. Nf3 Nd7 4. Nc3 h6 5. h4 g6 6. g4 Bg7 7. Bf4 Qa5 8. Nd2 Bxd4 9. Nb3 Bxc3+ 10. bxc3 Qxc3+ 11. Bd2 Qg7 12. Qf3 Ne5 13. Qg3 Nf6 14. Be2 Nxe4 15. Qg2 Nxd2 16. Kxd2 Be6 17. f4 Bd5 18. Qf1 Bxh1 19. Qxh1 Nd7 20. Re1 0-0-0 21. Na5 Qd4+ 22. Bd3 Qb4+ 23. Kd1 Qxa5 24. Rxe7 Qxa2 25. Kd2 Qa5+ 26. c3 Qa2+ 27. Ke3 Rde8 28. Rxe8+ Rxe8+ 29. Kf3 Qd5+ 30. Kg3 Qxh1 31. Kf2 Qh2+ 32. Kf3 Qh3+ 33. Kf2 Qxd3 34. f5 Re2+ 0-1

[Event "POL-chT3 Kujawsko-Pomorskie 2223"]
[Site "Poland"]
[Date "2022.??.??"]
[Round "1.9"]
[White "Oczachowski, Jan"]
[Black "Kubicki, Mariusz"]
[Result "0-1"]
[ECO "B12"]
[BlackElo "1607"]
[PlyCount "34"]
[EventDate "2022.11.13"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 a6 4. Nf3 Bg4 5. c4 e6 6. cxd5 cxd5 7. Nc3 Nc6 8. Be2 h6 9. g3 Bb4 10. Nh4 Bxe2 11. Qxe2 Nxd4 12. Qd3 Nc6 13. a3 Nxe5 14. Qd4 Bxc3+ 15. Qxc3 d4 16. Qc5 Nd3+ 17. Ke2 Nxc5 0-1

