[Event "Poznan op-B 16th"]
[Site "Poznan"]
[Date "2007.07.28"]
[Round "8.25"]
[White "Chojnacki, Tomasz"]
[Black "Dekker, Willem"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1782"]
[BlackElo "1000"]
[PlyCount "41"]
[EventDate "2007.07.21"]
[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 Nd7 3. Nc3 c6 4. Be3 Ngf6 5. f3 Qc7 6. Qd2 e5 7. Nge2 Be7 8. 0-0-0 a5 9. g4 b5 10. Ng3 g6 11. Bh6 Nb6 12. h4 Be6 13. g5 exd4 14. Nxb5 cxb5 15. Bg7 Nc4 16. Bxc4 Qxc4 17. gxf6 Rg8 18. Qxd4 Bf8 19. Bxf8 Rxf8 20. Qxd6 Rc8 21. Qd7+ 1-0

[Event "Poznan op-B 16th"]
[Site "Poznan"]
[Date "2007.07.27"]
[Round "7.30"]
[White "Dekker, Willem"]
[Black "Zgarda, Jaroslaw"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1000"]
[BlackElo "1800"]
[PlyCount "25"]
[EventDate "2007.07.21"]
[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. Bc4 Nc6 3. c3 Nf6 4. d3 d5 5. exd5 Ne5 6. Nf3 Nxc4 7. dxc4 Bg4 8. Bg5 Qd7 9. Nbd2 e6 10. Ne5 Bxd1 11. Nxd7 Bh5 12. Nxf6+ gxf6 13. Bxf6 1-0

[Event "Poznan op-B 16th"]
[Site "Poznan"]
[Date "2007.07.26"]
[Round "6.22"]
[White "Osiadlo, Tomasz"]
[Black "Dekker, Willem"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1800"]
[BlackElo "1000"]
[PlyCount "65"]
[EventDate "2007.07.21"]
[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 Nd7 3. Nf3 c6 4. c4 Qc7 5. Bd3 e5 6. 0-0 h6 7. b3 Be7 8. Bb2 Ngf6 9. Nh4 Nf8 10. Nd2 Ng6 11. Nxg6 fxg6 12. dxe5 dxe5 13. Nf3 Nd7 14. c5 g5 15. Nd2 Bxc5 16. Qh5+ Kf8 17. Bc4 Nf6 18. Qg6 Bg4 19. Bxe5 Bh5 20. Qxf6+ gxf6 21. Bxc7 Rh7 22. Ba5 Re7 23. Bc3 b5 24. b4 bxc4 25. bxc5 Re6 26. f3 g4 27. Nxc4 gxf3 28. gxf3 Rae8 29. Rab1 f5 30. Nd6 Rg6+ 31. Kf2 fxe4 32. Nxe8 Kxe8 33. fxe4 1-0

[Event "Poznan op-B 16th"]
[Site "Poznan"]
[Date "2007.07.25"]
[Round "5.35"]
[White "Dekker, Willem"]
[Black "Godawa, Pawel"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1000"]
[PlyCount "79"]
[EventDate "2007.07.21"]
[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 d6 3. Bc4 Nf6 4. d3 h6 5. c3 c6 6. a3 b5 7. Bb3 Bg4 8. Be3 Na6 9. Nbd2 Nc5 10. Bxc5 dxc5 11. Bxf7+ Ke7 12. Qe2 Nh5 13. Bxh5 Bxh5 14. Qe3 Ke8 15. Nxe5 Qf6 16. d4 Be7 17. 0-0 g5 18. Qh3 Be2 19. Rfe1 g4 20. Qh5+ Kd8 21. Rxe2 Rf8 22. Ng6 Bd6 23. Nxf8 Bxf8 24. Qxg4 cxd4 25. e5 Qh8 26. Qxd4+ Kc7 27. Rae1 c5 28. Qd5 Rd8 29. Qf7+ Rd7 30. Qb3 a6 31. e6 c4 32. Qc2 Re7 33. Nf3 Qf6 34. Nd4 Kb6 35. Nf5 Qg6 36. Nxe7 Qxc2 37. Rxc2 Bxe7 38. Rd2 Ka5 39. Rd7 Bg5 40. e7 1-0

[Event "Poznan op-B 16th"]
[Site "Poznan"]
[Date "2007.07.24"]
[Round "4.26"]
[White "Konieczny, Marek"]
[Black "Dekker, Willem"]
[Result "1-0"]
[ECO "B12"]
[BlackElo "1000"]
[PlyCount "82"]
[EventDate "2007.07.21"]
[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 Nd7 3. Nf3 c6 4. Nc3 Qc7 5. Bc4 h6 6. 0-0 e5 7. Be3 Be7 8. a4 g5 9. dxe5 dxe5 10. Bb3 Ngf6 11. Nd2 Rg8 12. Nc4 Nf8 13. a5 Ng6 14. Qd3 Nf4 15. Bxf4 gxf4 16. Rad1 Bg4 17. f3 Bh3 18. Nd6+ Bxd6 19. Qxd6 Qxd6 20. Rxd6 Bxg2 21. Rxf6 Bxf1+ 22. Kxf1 Rg7 23. Rf5 Ke7 24. Rxe5+ Kf6 25. Rf5+ Ke7 26. Rxf4 Rag8 27. Kf2 Rg2+ 28. Ke3 R8g7 29. h4 f6 30. Na4 Rg1 31. Nc5 b6 32. axb6 axb6 33. Nd3 b5 34. Nb4 c5 35. Nd5+ Kd6 36. Rxf6+ Kd7 37. c4 Rb1 38. cxb5 Rxb2 39. Bc4 Rc2 40. Bd3 Rb2 41. Rc6 Rg8 1-0

[Event "Poznan op-B 16th"]
[Site "Poznan"]
[Date "2007.07.22"]
[Round "2.34"]
[White "Miedziarek, Jarosz"]
[Black "Dekker, Willem"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1738"]
[BlackElo "1435"]
[PlyCount "53"]
[EventDate "2007.07.21"]
[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 d6 2. c4 c6 3. Nc3 Nd7 4. e3 Ngf6 5. Nf3 Qc7 6. Be2 e5 7. dxe5 dxe5 8. Qc2 Be7 9. e4 h6 10. h3 Nf8 11. 0-0 g5 12. Nh2 Ng6 13. Rd1 Rg8 14. Bd3 Nf4 15. Bf1 Bd7 16. c5 0-0-0 17. Qa4 Kb8 18. b4 g4 19. hxg4 Nxg4 20. Nxg4 Bxg4 21. Rxd8+ Qxd8 22. b5 Nxg2 23. Bxg2 Bf3 24. Kf1 Qd3+ 25. Kg1 Rxg2+ 26. Kh1 Rxf2+ 27. Kg1 0-1

[Event "Poznan op-B 16th"]
[Site "Poznan"]
[Date "2007.07.21"]
[Round "1.30"]
[White "Dekker, Willem"]
[Black "Simon, Marek"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1000"]
[BlackElo "1800"]
[PlyCount "32"]
[EventDate "2007.07.21"]
[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 d5 2. exd5 Nf6 3. d3 Nxd5 4. Nf3 Nc6 5. Nc3 Bg4 6. h3 Bh5 7. Be2 e5 8. Nxe5 Nxc3 9. bxc3 Qf6 10. d4 Bxe2 11. Qxe2 Nxe5 12. Qb5+ Nc6 13. Qxb7 Rb8 14. Qxc7 Bd6 15. Qxc6+ Kf8 16. 0-0 Bh2+ 0-1

