[Event "Groningen Harmonie Mini op-D"]
[Site "Groningen"]
[Date "2002.12.29"]
[Round "4.4"]
[White "Duisterwinkel, Jan"]
[Black "Schrijvers, Kees"]
[Result "1/2-1/2"]
[ECO "C41"]
[BlackElo "1474"]
[PlyCount "87"]
[EventDate "2002.12.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nd7 3. Nf3 e5 4. Bc4 Be7 5. Nc3 c6 6. 0-0 h6 7. dxe5 dxe5 8. Be3 Ngf6 9. Qe2 Qc7 10. Rfd1 0-0 11. h3 b5 12. Bb3 a5 13. a3 a4 14. Ba2 Ba6 15. Qd2 Rfd8 16. Qc1 h5 17. b4 axb3 18. Bxb3 b4 19. Na4 Bb5 20. axb4 Bxb4 21. c3 Bf8 22. Bxf7+ Kxf7 23. Ng5+ Kg8 24. Ne6 Qc8 25. Nxd8 Rxa4 26. Ne6 Rxa1 27. Qxa1 Bc4 28. Ng5 Nh7 29. Qa4 Nxg5 30. Bxg5 Bf7 31. Qa7 Be6 32. Be3 Kh7 33. c4 Nf6 34. Rb1 Qd8 35. Rb8 Qd1+ 36. Kh2 Nd7 37. Rxf8 Nxf8 38. Qe7 Qd7 39. Qxf8 Bxc4 40. Qc5 Qe6 41. f4 exf4 42. Qxh5+ Kg8 43. Bxf4 Qxe4 44. Qg5 1/2-1/2

[Event "Groningen Harmonie Mini op-D"]
[Site "Groningen"]
[Date "2002.12.27"]
[Round "2.2"]
[White "Duisterwinkel, Jan"]
[Black "Van Nies, Dingeman"]
[Result "0-1"]
[ECO "B78"]
[BlackElo "1521"]
[PlyCount "40"]
[EventDate "2002.12.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 0-0 8. Qd2 Nc6 9. 0-0-0 Bd7 10. f3 Nxd4 11. Bxd4 Qc7 12. Bb3 Rfc8 13. h4 a5 14. a3 b5 15. Nd5 Nxd5 16. Bxd5 Bxd4 17. Bxa8 Be3 18. Kb1 Bxd2 19. Rxd2 Rxa8 20. Rhd1 Rc8 0-1

[Event "Groningen SO ON Mini op-D"]
[Site "Groningen"]
[Date "2000.??.??"]
[Round "1"]
[White "Duisterwinkel, Jan"]
[Black "Krawczyk, Jarek"]
[Result "1/2-1/2"]
[ECO "B95"]
[PlyCount "34"]
[EventDate "2000.12.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Bg5 h6 9. Be3 Bd7 10. Qd2 b5 11. a3 Nc6 12. f4 Nxd4 13. Bxd4 0-0 14. Bf3 Bc6 15. Rad1 Qc7 16. Kh1 e5 17. Be3 Nh7 1/2-1/2

