[Event "Tilburg Stukkenjagers op-A"]
[Site "Tilburg"]
[Date "2006.08.20"]
[Round "6"]
[White "Veltkamp, Gerben"]
[Black "Thomassen, Gertjan"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2163"]
[PlyCount "41"]
[EventDate "2006.08.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ngf3 g6 8. h4 h5 9. g4 cxd4 10. cxd4 Qb6 11. gxh5 Rxh5 12. Nb3 Bb4+ 13. Kf1 Qc7 14. Ng5 Ndxe5 15. Bf4 Bd6 16. dxe5 Bxe5 17. Bxe5 Qxe5 18. Qf3 Qg7 19. Re1 Bd7 20. Nc5 0-0-0 21. Qxf7 1-0

[Event "Tilburg Stukkenjagers op-A"]
[Site "Tilburg"]
[Date "2006.08.19"]
[Round "3"]
[White "De Coninck, Rafael"]
[Black "Thomassen, Gertjan"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2087"]
[PlyCount "57"]
[EventDate "2006.08.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 d5 3. Bf4 Nf6 4. e3 c6 5. Nf3 e6 6. Be2 Be7 7. Ne5 Qb6 8. a3 Nbd7 9. Na4 Qd8 10. g4 0-0 11. Rg1 Nxe5 12. Bxe5 Bd6 13. gxf5 Bxe5 14. dxe5 Ne4 15. f6 Nxf6 16. exf6 Qxf6 17. Rg2 e5 18. Bg4 b6 19. Bxc8 Raxc8 20. Qg4 Rc7 21. 0-0-0 Rcf7 22. Nc3 a5 23. Rdg1 b5 24. Ne2 c5 25. Ng3 Qh6 26. h4 a4 27. Kb1 b4 28. axb4 Rb7 29. Nf5 1-0

[Event "Tilburg Stukkenjagers op-A"]
[Site "Tilburg"]
[Date "2006.08.18"]
[Round "1"]
[White "Kamara, Ansumana"]
[Black "Thomassen, Gertjan"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "60"]
[EventDate "2006.08.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 Bd7 7. 0-0 Nh6 8. b3 cxd4 9. cxd4 Nf5 10. Bb2 Be7 11. h3 0-0 12. g4 Nh4 13. Nxh4 Bxh4 14. Na3 f6 15. exf6 Bxf6 16. Nc2 Rae8 17. Qd2 e5 18. dxe5 Bxe5 19. Bxe5 Nxe5 20. Qxd5+ Kh8 21. Ne3 Bc6 22. Qd6 Rf6 23. Qd1 Rxf2 24. Rxf2 Qxe3 25. Kf1 Qxh3+ 26. Ke1 Nf3+ 27. Rxf3 Bxf3 28. Rc1 Bxe2 29. Rc8 Qg3+ 30. Kd2 Qd3+ 0-1

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2004.06.04"]
[Round "?"]
[White "Looijmans, Karel NH"]
[Black "Thomassen, Gertjan"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2178"]
[PlyCount "43"]
[EventDate "2004.06.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "CBM 100 Extra"]
[Source "ChessBase"]
[SourceDate "2004.07.06"]
[SourceVersion "2"]
[SourceVersionDate "2004.07.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. dxc5 Bxc5 7. b4 Be7 8. b5 Na5 9. Bd3 Qc7 10. 0-0 h6 11. Qe2 Bc5 12. a4 Nb3 13. Ra2 Nxc1 14. Rxc1 Ne7 15. Nbd2 0-0 16. c4 Ng6 17. g3 Ne7 18. Rac2 dxc4 19. Rxc4 b6 20. Qe4 f5 21. exf6 Rxf6 22. Qxa8+ 1-0

[Event "Tilburg Eksakt op"]
[Site "Tilburg"]
[Date "2003.08.23"]
[Round "4"]
[White "Doggers, Peter"]
[Black "Thomassen, Gertjan"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "2189"]
[PlyCount "19"]
[EventDate "2003.08.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Bxc6 dxc6 5. Nc3 fxe4 6. Nxe4 Nf6 7. Qe2 Bd6 8. d4 Bg4 9. dxe5 Bxf3 10. gxf3 1-0

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.08"]
[Round "5"]
[White "Plukkel, Sjoerd"]
[Black "Thomassen, Gertjan"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2165"]
[PlyCount "53"]
[EventDate "2001.07.06"]
[EventType "swiss"]
[EventRounds "6"]
[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. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 d5 7. e5 Ng4 8. 0-0 Bc5 9. Bf4 g5 10. Bg3 h5 11. Be2 Qe7 12. Nc3 h4 13. Bxg4 hxg3 14. hxg3 Be6 15. Na4 Bb6 16. c4 0-0-0 17. c5 Qd7 18. Bxe6 Qxe6 19. cxb6 cxb6 20. Qe2 Kb7 21. Rac1 g4 22. f4 f5 23. b4 Qh6 24. Qc2 Qe6 25. b5 cxb5 26. Qc7+ Ka6 27. Rc6 1-0

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.07"]
[Round "4"]
[White "Thomassen, Gertjan"]
[Black "Boonstra, Jasper"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "31"]
[EventDate "2001.07.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. e5 dxe5 7. fxe5 Nfd7 8. Bc4 e6 9. 0-0 Nc6 10. Bg5 Ne7 11. Qe1 Nb6 12. Bb3 h6 13. Qh4 hxg5 14. Nxg5 Bh6 15. Qxh6 Qxd4+ 16. Kh1 1-0

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.07"]
[Round "3"]
[White "Van Eijndhoven, Erik"]
[Black "Thomassen, Gertjan"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "111"]
[EventDate "2001.07.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e3 b6 2. b3 Bb7 3. Bb2 Nf6 4. f3 c5 5. Nh3 e6 6. Be2 Be7 7. 0-0 d5 8. d4 Nbd7 9. Nd2 0-0 10. Bd3 cxd4 11. exd4 Rc8 12. Re1 Bd6 13. Qe2 Qc7 14. g3 Rfe8 15. f4 Bb4 16. Rad1 Bc3 17. Bxc3 Qxc3 18. Nf3 Ne4 19. Nf2 Ndf6 20. Rc1 Nxf2 21. Qxf2 Qa5 22. Qe2 Rc3 23. a4 Qb4 24. Rcd1 Rcc8 25. Qd2 Qc3 26. Re3 Qb2 27. Qc1 Qxc1 28. Rxc1 g6 29. Rce1 Ne4 30. Ng5 Red8 31. R1e2 Nc3 32. Rd2 Rc7 33. g4 h6 34. Nf3 Bc8 35. Ne5 Bd7 36. f5 exf5 37. gxf5 g5 38. Rh3 f6 39. Nxd7 Rdxd7 40. Rxh6 Rf7 41. h4 gxh4 42. Rg2+ Kf8 43. Rxh4 Ke7 44. Rh3 Kd6 45. Rg6 Rf8 46. Re3 Ne4 47. Bxe4 dxe4 48. c4 Re7 49. Kf2 Kd7 50. Kg3 Rh8 51. Rxf6 Rh1 52. Re6 Rg7+ 53. Kf4 Rh4+ 54. Ke5 Rgg4 55. d5 Rf4 56. Rg3 1-0

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.06"]
[Round "2"]
[White "Thomassen, Gertjan"]
[Black "Bakkes, Frits"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "59"]
[EventDate "2001.07.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Be6 6. Nf3 Nc6 7. d3 Nxc3 8. bxc3 e4 9. Ng5 exd3 10. Nxe6 fxe6 11. exd3 Qd7 12. 0-0 0-0-0 13. Rb1 Qxd3 14. Qb3 Qa6 15. Qxe6+ Rd7 16. Rd1 Bd6 17. Bf4 Nd8 18. Qd5 c6 19. Qxd6 Rxd6 20. Rxd6 b5 21. Bh3+ Kb7 22. Rbd1 Qb6 23. Be3 Qa5 24. Rd7+ Kb8 25. Bf4+ Ka8 26. Bc7 Qxc3 27. Bxd8 Rf8 28. Bg5 a5 29. Bg2 Qc2 30. Be3 1-0

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.06"]
[Round "1"]
[White "Van Wessel, Rudy"]
[Black "Thomassen, Gertjan"]
[Result "1-0"]
[ECO "C38"]
[WhiteElo "2321"]
[PlyCount "77"]
[EventDate "2001.07.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. 0-0 d6 6. d4 h6 7. c3 Nc6 8. g3 g4 9. Nh4 f3 10. Be3 Bf6 11. Nxf3 gxf3 12. Qxf3 Be6 13. Bxe6 fxe6 14. e5 dxe5 15. dxe5 Nxe5 16. Qh5+ Nf7 17. Nd2 Qd3 18. Rae1 Rh7 19. Qg4 0-0-0 20. Ne4 Bg5 21. Bxa7 b6 22. Bxb6 cxb6 23. Qxe6+ Kb7 24. Qg6 Be3+ 25. Rxe3 Qxe3+ 26. Kg2 Rg7 27. Qxg7 Qxe4+ 28. Kg1 Qe3+ 29. Kh1 Qe4+ 30. Kg1 Rd7 31. Rxf7 Qe3+ 32. Kf1 Ne7 33. Qg4 Qd3+ 34. Qe2 Qd5 35. Qg2 Qxg2+ 36. Kxg2 Kc6 37. Kf3 Rd3+ 38. Kg4 Rd6 39. Rxe7 1-0

