[Event "Poznan op 28th"]
[Site "Poznan"]
[Date "2021.08.20"]
[Round "7"]
[White "Lesien, Chryzostom"]
[Black "Okupniak, Jakub"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1063"]
[PlyCount "53"]
[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. Bc4 Nf6 4. d3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 0-0 7. c3 d6 8. d4 Re8 9. Ng5 Bg4 10. f3 Bh5 11. g4 h6 12. gxh5 hxg5 13. d5 Na5 14. Qe2 a6 15. 0-0-0 b5 16. Bb3 Nxb3+ 17. Nxb3 Nxh5 18. Rhg1 Nf4 19. Qe3 Nh3 20. Rg3 g4 21. Rxg4 Nf4 22. Rdg1 g6 23. h4 f6 24. Rxg6+ Nxg6 25. Rxg6+ Kf7 26. Qh6 Rh8 27. Rg7+ 1-0

[Event "Poznan op 28th"]
[Site "Poznan"]
[Date "2021.08.19"]
[Round "6"]
[White "Okupniak, Jakub"]
[Black "Czyzewski, Olgierd"]
[Result "0-1"]
[ECO "B34"]
[BlackElo "1104"]
[PlyCount "74"]
[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. Be3 Bg7 6. Bb5 Nf6 7. Nc3 Qa5 8. Qd2 0-0 9. 0-0 Ng4 10. Nb3 Qd8 11. Bxc6 Nxe3 12. fxe3 bxc6 13. Rf3 d6 14. h3 Bb7 15. Nd5 cxd5 16. exd5 e6 17. Na5 Bxd5 18. e4 Bxe4 19. Re3 Bh6 20. Rae1 Bxe3+ 21. Rxe3 Bxc2 22. Nc6 Qb6 23. Ne7+ Kg7 24. Qc3+ e5 25. Nd5 Qc5 26. b4 Qxc3 27. Rxc3 Rac8 28. Nc7 Bf5 29. a4 f6 30. g4 Bd7 31. b5 Rb8 32. Rb3 Rfc8 33. a5 Rxc7 34. b6 axb6 35. axb6 Rcb7 36. Kf2 Rxb6 37. Rxb6 Rxb6 0-1

[Event "Poznan op 28th"]
[Site "Poznan"]
[Date "2021.08.18"]
[Round "5"]
[White "Okupniak, Jakub"]
[Black "Pieczewska, Gabriela"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1169"]
[PlyCount "68"]
[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. b3 e6 2. e4 d5 3. d3 c5 4. Bb2 Nc6 5. Nf3 Nf6 6. c4 dxe4 7. Nfd2 exd3 8. Qf3 Nd4 9. Bxd4 Qxd4 10. Nc3 Qxc3 11. Rb1 Qe5+ 12. Qe3 Qxe3+ 13. fxe3 Ng4 14. Bxd3 Nxe3 15. h3 Nxg2+ 16. Kf2 Nf4 17. Bc2 Bd7 18. Rhe1 Nxh3+ 19. Kg3 Ng5 20. Ne4 Nxe4+ 21. Bxe4 Bc6 22. Bc2 Bd6+ 23. Kf2 0-0 24. a3 Rfd8 25. b4 a6 26. b5 axb5 27. cxb5 Bd5 28. a4 f5 29. Rbd1 Rf8 30. Rxd5 exd5 31. Re6 Rf6 32. Bxf5 Rxf5+ 33. Kg2 Rf6 34. Re8+ Rxe8 0-1

[Event "Poznan op 28th"]
[Site "Poznan"]
[Date "2021.08.16"]
[Round "3"]
[White "Borkowski, Pawel"]
[Black "Okupniak, Jakub"]
[Result "1-0"]
[ECO "C34"]
[WhiteElo "1141"]
[PlyCount "35"]
[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. f4 exf4 3. Nf3 Nc6 4. Bc4 d6 5. d4 Bg4 6. 0-0 a6 7. Bxf4 b5 8. Bd5 Qd7 9. Qd2 Bxf3 10. Rxf3 Nf6 11. Bb3 d5 12. exd5 Bb4 13. Qe2+ Be7 14. dxc6 Qxd4+ 15. Re3 0-0-0 16. Nc3 b4 17. Qxa6+ Kb8 18. Qb7# 1-0

[Event "Poznan op 28th"]
[Site "Poznan"]
[Date "2021.08.15"]
[Round "2"]
[White "Okupniak, Jakub"]
[Black "Lakowski, Krzysztof"]
[Result "0-1"]
[ECO "B00"]
[BlackElo "1186"]
[PlyCount "62"]
[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 b6 2. d4 Bb7 3. Nf3 Bxe4 4. Be2 Nf6 5. Bg5 h6 6. Bxf6 gxf6 7. 0-0 Bg7 8. c4 e5 9. Bd3 Bb7 10. Qe1 d6 11. Be4 Nc6 12. Qe3 Qe7 13. Bxc6+ Bxc6 14. d5 Bd7 15. h3 f5 16. Re1 Rg8 17. g3 f4 18. gxf4 Bxh3 19. fxe5 Bxe5+ 20. Kh1 Bg2+ 21. Kg1 Bxf3+ 22. Kf1 Qf6 23. Nd2 Bh5 24. c5 Kd7 25. b4 Bh2 26. c6+ Kd8 27. f3 Bf4 28. Qe2 Bxd2 29. Qxd2 Qxf3+ 30. Qf2 Qh1+ 31. Qg1 Qxg1# 0-1

[Event "Poznan op 28th"]
[Site "Poznan"]
[Date "2021.08.15"]
[Round "1"]
[White "Zarzycki, Lukasz"]
[Black "Okupniak, Jakub"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1494"]
[PlyCount "77"]
[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. c4 f5 2. Nc3 e5 3. e4 Nf6 4. Nf3 Nc6 5. d3 f4 6. d4 Nxd4 7. Nxe5 g6 8. Qxd4 c5 9. Qd3 d6 10. Nf3 Bg4 11. Be2 Qa5 12. Bxf4 0-0-0 13. Bd2 Qc7 14. h3 Bxf3 15. Bxf3 Nd7 16. Nb5 Ne5 17. Bg4+ Kb8 18. Qa3 Qb6 19. Qa5 Nxc4 20. Qxb6 axb6 21. Bc3 Bg7 22. Bxg7 Rhg8 23. Be6 Rxg7 24. Bxc4 Re8 25. Bd5 Re5 26. 0-0 Rg5 27. Nxd6 h5 28. Nf7 Rxd5 29. exd5 Rxf7 30. Rad1 Kc7 31. Rfe1 Kd6 32. Re6+ Kd7 33. Rxb6 g5 34. Rxb7+ Ke8 35. Rxf7 Kxf7 36. Re1 g4 37. d6 gxh3 38. d7 hxg2 39. d8Q 1-0

