[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "De Graaf, Jacob"]
[Black "De Graaf, Dick"]
[Result "1/2-1/2"]
[ECO "D46"]
[BlackElo "2058"]
[PlyCount "25"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 h6 5. Qc2 e6 6. e3 Bd6 7. Bd3 0-0 8. 0-0 Nbd7 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Nf6 12. b3 Nxe4 13. Qxe4 1/2-1/2

[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "5"]
[White "De Graaf, Jacob"]
[Black "Westerweele, Henrik"]
[Result "0-1"]
[ECO "C06"]
[PlyCount "104"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. Nc3 Bd6 12. 0-0 0-0 13. Be3 Bd7 14. a3 Be8 15. Qc2 g6 16. b4 Qd8 17. Ng5 Bf7 18. f4 Ng4 19. Qd2 Rc8 20. Ne2 Nh6 21. Nf3 Be8 22. Rac1 Bd7 23. Ne5 Nf5 24. Bf2 Qe7 25. g4 Bxe5 26. fxe5 Ng7 27. Bg3 a6 28. Rf2 Na7 29. Rcf1 Rxf2 30. Rxf2 Rf8 31. Rxf8+ Qxf8 32. Kg2 Bb5 33. Bxb5 Nxb5 34. Qc1 Na7 35. Bf4 Qc8 36. Qxc8+ Nxc8 37. Kf3 b5 38. Nc1 Nb6 39. Nb3 Ne8 40. Nc5 Nc7 41. Bg5 Nc4 42. Bd8 Ne8 43. Nxa6 Nxa3 44. Ke3 Nc2+ 45. Kd3 Ne1+ 46. Ke2 Nc2 47. Kd3 Ne1+ 48. Ke2 Nc2 49. Bb6 Kf7 50. Kd2 Na3 51. Nc5 Nc4+ 52. Kd3 Nxb6 0-1

[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "De Jager, Jaap"]
[Black "De Graaf, Jacob"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2308"]
[PlyCount "82"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d6 3. d3 Nd7 4. Nd2 f5 5. e4 Ndf6 6. Ngf3 fxe4 7. dxe4 Ne7 8. Bd3 Ng6 9. h3 Be7 10. Bc4 h6 11. a3 Nf4 12. 0-0 g5 13. Nh2 h5 14. Nhf3 Nh7 15. Nh2 Nf8 16. Ndf3 Bd7 17. a4 Qc8 18. Nxe5 dxe5 19. Bxe5 Rh6 20. Qf3 N8g6 21. Bxf4 Nxf4 22. Qb3 Be6 23. Rad1 Bxc4 24. Qxc4 Re6 25. Rfe1 c5 26. Qb5+ Qc6 27. Qxc6+ Rxc6 28. b5 Rd6 29. Rxd6 Bxd6 30. Nf3 Be7 31. Rd1 Rd8 32. Rxd8+ Bxd8 33. Ne5 Ne2+ 34. Kf1 Nc3 35. Nd3 Be7 36. f3 Nxa4 37. g4 hxg4 38. hxg4 Nc3 39. Kf2 Nxb5 40. f4 gxf4 41. Nxf4 a5 0-1

[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "6"]
[White "Jonkheer, Alex"]
[Black "De Graaf, Jacob"]
[Result "1/2-1/2"]
[ECO "E92"]
[PlyCount "52"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. Be3 Nc6 8. a3 a5 9. d5 Ne7 10. b4 axb4 11. axb4 Rxa1 12. Qxa1 c6 13. 0-0 Ng4 14. Bd2 f5 15. h3 Nf6 16. Bd3 f4 17. dxc6 bxc6 18. b5 Nd7 19. bxc6 Nxc6 20. Nd5 Nc5 21. Bc2 Rf7 22. Rb1 Ra7 23. Qc3 Be6 24. Ra1 Qa8 25. Rxa7 Qxa7 26. Bc1 Qa5 1/2-1/2

[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "Porte, Henrik"]
[Black "De Graaf, Jacob"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "73"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 Nbd7 8. 0-0 Ng4 9. Qc2 f5 10. Bg5 Ndf6 11. b4 Bd7 12. Nd2 f4 13. c5 h6 14. Bxf6 Nxf6 15. Nc4 Be8 16. Na5 Rb8 17. Bb5 a6 18. Bxe8 Qxe8 19. f3 g5 20. c6 b6 21. Nb7 h5 22. b5 a5 23. Na4 Qg6 24. Nxd6 Nxd5 25. Nf5 Kh7 26. Rad1 Nf6 27. Ne7 Qe8 28. Nd5 Rf7 29. Rd2 Kh8 30. Rfd1 Bf8 31. Ndxb6 cxb6 32. c7 Rc8 33. Rd8 Rfxc7 34. Qxc7 Rxc7 35. Rxe8 Nxe8 36. Rd8 Re7 37. Kf2 1-0

