[Event "Groningen SO ON Mini op"]
[Site "Groningen"]
[Date "2001.12.28"]
[Round "3"]
[White "Tuinstra, Thys"]
[Black "Beetstra, Jaap"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1828"]
[BlackElo "1828"]
[PlyCount "55"]
[EventDate "2001.12.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be2 Bxe2 5. Nxe2 Qxd5 6. 0-0 Nc6 7. Be3 0-0-0 8. Nd2 e5 9. c4 Qd6 10. d5 Ng4 11. Ng3 Nxe3 12. fxe3 Qc5 13. Qf3 Nb4 14. Nge4 Qb6 15. Rac1 Nd3 16. Rc3 Nc5 17. Rb1 Nxe4 18. Nxe4 Qg6 19. Rf1 f6 20. Rb3 Qe8 21. d6 Qc6 22. c5 Kb8 23. Rd1 cxd6 24. cxd6 f5 25. Qxf5 Qc2 26. Rbd3 Qxb2 27. Qf7 Bxd6 28. Rb3 1-0

[Event "Groningen ABM op"]
[Site "Groningen"]
[Date "1999.??.??"]
[Round "?"]
[White "Tuinstra, Thys"]
[Black "Markus, Aernout"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "103"]
[EventDate "1999.??.??"]
[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 e5 2. f4 Qf6 3. Nf3 d6 4. f5 d5 5. d3 h6 6. a3 d4 7. c4 Ne7 8. Nbd2 g6 9. g4 Bd7 10. b4 Bg7 11. Be2 Qa6 12. Bb2 b5 13. Qc2 Qb6 14. Rc1 h5 15. fxg6 Nxg6 16. g5 Nf4 17. Bf1 Na6 18. cxb5 Bxb5 19. Nc4 Qe6 20. Rg1 Qe7 21. Qb3 c5 22. bxc5 Bxc4 23. Qxc4 Nc7 24. Rc2 Qe6 25. Qxe6+ Ncxe6 26. Nh4 Rc8 27. Nf5 Bf8 28. c6 Nd8 29. Bc1 Ng6 30. Bh3 Rxc6 31. Rxc6 Nxc6 32. Rg2 Nf4 33. Bxf4 exf4 34. Rc2 Ne5 35. Rc8+ Kd7 36. Nxd4+ Ng4 37. Bxg4+ hxg4 38. Rc2 Bxa3 39. Rg2 Bd6 40. Rxg4 Rxh2 41. Nf3 Ra2 42. e5 Bb4+ 43. Kd1 a5 44. Rxf4 Ke6 45. Rf6+ Ke7 46. d4 Rg2 47. d5 Bc3 48. d6+ Ke8 49. Rf4 Bxe5 50. Nxe5 Rxg5 51. Re4 f6 52. Nf3+ 1-0

[Event "Groningen ABM op"]
[Site "Groningen"]
[Date "1999.??.??"]
[Round "?"]
[White "Tuinstra, Thys"]
[Black "Weiter, Martin"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "39"]
[EventDate "1999.??.??"]
[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 c5 2. f4 d6 3. Nf3 Nc6 4. Bc4 Bg4 5. Bxf7+ Kxf7 6. Ng5+ Ke8 7. Qxg4 Nf6 8. Qe6 Nd4 9. Qf7+ Kd7 10. Na3 h6 11. Nf3 Nxe4 12. Nxd4 cxd4 13. Qf5+ e6 14. Qxe4 d5 15. Qxd4 Rg8 16. Qa4+ Kc8 17. b3 g5 18. Bb2 gxf4 19. Qxf4 Qa5 20. Qf7 1-0

