[Event "Groningen op2"]
[Site "Groningen"]
[Date "1989.??.??"]
[Round "4"]
[White "Cobben, Jan Maarten"]
[Black "Van Veen, Jan Wiebe"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "77"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. e5 dxe5 6. dxe5 Qxd1+ 7. Kxd1 Ng4 8. Ke1 c6 9. h3 Nh6 10. g4 Be6 11. Nf3 0-0 12. Be3 Bd5 13. Nxd5 cxd5 14. c3 Nc6 15. Rd1 e6 16. Bd3 Kh8 17. Rh2 Ng8 18. Ng5 Nd8 19. Bc5 f6 20. Bxf8 fxg5 21. Bxg7+ Kxg7 22. f5 gxf5 23. gxf5 exf5 24. Bxf5 Ne7 25. Bg4 Ndc6 26. e6 Kg6 27. Rf2 h5 28. Be2 Ne5 29. Bd3+ Kg7 30. Ke2 N7g6 31. Bxg6 Nxg6 32. Rxd5 Nf4+ 33. Rxf4 gxf4 34. Rxh5 Re8 35. Re5 Kf6 36. Re4 Kg5 37. e7 Kh4 38. Kf3 Kg5 39. Re5+ 1-0

[Event "Groningen op2"]
[Site "Groningen"]
[Date "1989.??.??"]
[Round "1"]
[White "Van Veen, Jan Wiebe"]
[Black "Pieters, Minko"]
[Result "1-0"]
[ECO "D37"]
[PlyCount "61"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. e3 Nbd7 6. a3 b6 7. cxd5 exd5 8. Bb5 Bb7 9. Ne5 Qc8 10. Qf3 c6 11. Ba4 Nxe5 12. dxe5 Nd7 13. Qg3 Rg8 14. 0-0 Nc5 15. Nxd5 Nxa4 16. Nxe7 Kxe7 17. Qh4+ g5 18. Qxa4 Qf5 19. Bd2 c5 20. Bc3 h5 21. Rae1 h4 22. e4 Qe6 23. Re3 a5 24. Rf3 Bc6 25. Qd1 Rad8 26. Qe2 Qd7 27. Rf6 Bb5 28. Qh5 Rgf8 29. Qxg5 Ke8 30. e6 Qd1 31. exf7+ 1-0

