[Event "Groningen SO ON Mini op-D"]
[Site "Groningen"]
[Date "2000.??.??"]
[Round "5"]
[White "Den Boer, Paul"]
[Black "Wijbenga, Frits"]
[Result "1-0"]
[ECO "D64"]
[PlyCount "60"]
[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. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 Be7 6. e3 c6 7. Rc1 0-0 8. Qc2 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. Bd3 N7f6 12. a3 h6 13. Ne2 Nd7 14. b4 e5 15. 0-0 N5f6 16. Ng3 exd4 17. Nf5 Qd8 18. N3xd4 Nb6 19. Rfd1 Qc7 20. b5 Ng4 21. Ng3 c5 22. Qxc5 Qxc5 23. Rxc5 Na4 24. Rc2 Nf6 25. Ne4 Nxe4 26. Bxe4 Re8 27. Bf3 Re7 28. Rdc1 Nb6 29. a4 Rb8 30. a5 Nd7 1-0

[Event "Groningen SO ON Mini op-D"]
[Site "Groningen"]
[Date "2000.??.??"]
[Round "3"]
[White "Koekoek, Maarten"]
[Black "Wijbenga, Frits"]
[Result "1-0"]
[ECO "B80"]
[PlyCount "63"]
[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. f3 e6 7. Be3 b5 8. Qd2 Be7 9. g4 Nfd7 10. 0-0-0 Ne5 11. Be2 Bb7 12. h4 Nbd7 13. g5 Nb6 14. b3 Ned7 15. h5 b4 16. Nb1 d5 17. g6 h6 18. gxf7+ Kxf7 19. e5 Nxe5 20. f4 Nc6 21. Qd3 Nxd4 22. Qg6+ Kf8 23. Bxd4 Bf6 24. Bc5+ Be7 25. Rhg1 Rg8 26. Bf2 Bf6 27. Bg4 Bc8 28. Rde1 Qd6 29. Nd2 Be7 30. Rxe6 Bxe6 31. Bxe6 Nd7 32. Qf7# 1-0

[Event "Groningen SO ON Mini op-D"]
[Site "Groningen"]
[Date "2000.??.??"]
[Round "2"]
[White "Wijbenga, Frits"]
[Black "Cats, S."]
[Result "1-0"]
[ECO "C55"]
[PlyCount "119"]
[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 e5 2. Nf3 Nc6 3. Bc4 Be7 4. Nc3 Nf6 5. d3 h6 6. a3 d6 7. Bd2 Bg4 8. h3 Bh5 9. g4 Bg6 10. Qe2 Nd7 11. 0-0-0 Nd4 12. Nxd4 exd4 13. Nd5 c6 14. Nxe7 Qxe7 15. f4 d5 16. f5 dxc4 17. fxg6 cxd3 18. gxf7+ Qxf7 19. Qxd3 Qa2 20. c3 Nc5 21. Qb1 Nb3+ 22. Kc2 d3+ 23. Kxd3 Qxb1+ 24. Rxb1 0-0-0+ 25. Kc2 Nxd2 26. Rbe1 Rhe8 27. e5 Nf3 28. Re3 Ng5 29. Rf1 Re7 30. h4 Ne6 31. Rg1 Rde8 32. g5 hxg5 33. hxg5 g6 34. b4 b5 35. Re4 Ng7 36. Rge1 Nf5 37. Kb3 Nd6 38. Rf4 Nc4 39. Rf6 Re6 40. a4 a6 41. axb5 axb5 42. Ra1 Kb7 43. Rf7+ R8e7 44. Rf8 Nb6 45. Rg8 Na4 46. Rd1 Nb6 47. Rh1 Nd7 48. Rhh8 Nxe5 49. Rb8+ Kc7 50. Rhc8+ Kd6 51. Ra8 Nf7 52. Ra1 Ke5 53. Re1+ Kf5 54. Rb1 Ne5 55. Rf8+ Ke4 56. Re1+ Kd3 57. Rd8+ Rd7 58. Rxd7+ Nxd7 59. Rxe6 Nf8 60. Rxc6 1-0

