[Event "Amsterdam Science Park op-A 3rd"]
[Site "Amsterdam"]
[Date "2013.07.06"]
[Round "1"]
[White "Timmermans, Mark"]
[Black "Gravemaker, Wim Laurens"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2270"]
[BlackElo "2096"]
[PlyCount "85"]
[EventDate "2013.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. b4 a5 2. b5 e5 3. Bb2 d6 4. e3 Be7 5. c4 Nf6 6. Nf3 0-0 7. Be2 Nbd7 8. d4 e4 9. Nfd2 d5 10. Nc3 c6 11. a4 Re8 12. Qb3 Nb6 13. c5 Nbd7 14. 0-0 Nf8 15. f3 exf3 16. Nxf3 Bg4 17. Ne5 Bxe2 18. Nxe2 Ng6 19. bxc6 Nxe5 20. dxe5 Ne4 21. cxb7 Ra6 22. e6 fxe6 23. Be5 Nxc5 24. b8Q Nxb3 25. Qxb3 Rb6 26. Qc3 Rb4 27. Nd4 Rc4 28. Qe1 Bh4 29. Qe2 Qg5 30. Qf3 Rcc8 31. Qf7+ Kh8 32. Nf3 Qxe3+ 33. Kh1 Rg8 34. Bf4 Qe2 35. Nxh4 Rcf8 36. Qc7 d4 37. Qe5 d3 38. Qxe2 dxe2 39. Rf2 e5 40. Rf3 Rxf4 41. Ng6+ hxg6 42. Rh3+ Rh4 43. Rxh4# 1-0

[Event "Amsterdam Science Park op-A 2nd"]
[Site "Amsterdam"]
[Date "2012.07.22"]
[Round "9"]
[White "Gravemaker, Wim Laurens"]
[Black "Van Dorp, Folke"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2066"]
[BlackElo "2183"]
[PlyCount "18"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 d6 8. axb5 Nxe5 9. Re1 Be7 1/2-1/2

[Event "Amsterdam Science Park op-A 2nd"]
[Site "Amsterdam"]
[Date "2012.07.21"]
[Round "8"]
[White "Knol, Geon"]
[Black "Gravemaker, Wim Laurens"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2156"]
[BlackElo "2066"]
[PlyCount "74"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 c5 3. c4 e6 4. Nf3 Be7 5. 0-0 Nc6 6. cxd5 exd5 7. d4 Nf6 8. dxc5 Bxc5 9. Bg5 h6 10. Bxf6 Qxf6 11. Qxd5 Bb6 12. Nc3 0-0 13. Qb5 Be6 14. Na4 Nd4 15. Nxd4 Bxd4 16. e3 Be5 17. Qxb7 Bc4 18. Rfc1 Rab8 19. Qxa7 Bd3 20. Nc5 Bf5 21. Na4 Rfd8 22. Rc6 Be6 23. f4 Bxb2 24. Rf1 Ra8 25. Qxa8 Rxa8 26. Nb6 Ra5 27. Rd1 Qe7 28. e4 Bg4 29. Rd2 Qb4 30. Nc4 Rxa2 31. h3 Be6 32. Rd8+ Kh7 33. f5 Bxc4 34. Rcc8 g6 35. Rc6 gxf5 36. exf5 Qe1+ 37. Kh2 Be5 0-1

[Event "Amsterdam Science Park op-A 2nd"]
[Site "Amsterdam"]
[Date "2012.07.19"]
[Round "6"]
[White "Hopman, Pieter"]
[Black "Gravemaker, Wim Laurens"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2326"]
[BlackElo "2066"]
[PlyCount "65"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. b3 Qa5 10. Bb2 Rd8 11. Rc1 Bg4 12. dxc5 Bxc5 13. a3 d4 14. Na4 Be7 15. b4 Qh5 16. Nc5 Rab8 17. Nd3 a5 18. h3 Bxf3 19. Bxf3 Qxh3 20. b5 Na7 21. Qb3 Bd6 22. Rfe1 h5 23. Rc4 h4 24. Bg2 Qf5 25. gxh4 a4 26. Rxa4 Qxb5 27. Qxb5 Nxb5 28. Rc1 Re8 29. Ra5 Nc3 30. Bxc3 dxc3 31. Rxc3 Rxe2 32. Rb3 Ra2 33. Rxb7 1/2-1/2

[Event "Amsterdam Science Park op-A 2nd"]
[Site "Amsterdam"]
[Date "2012.07.18"]
[Round "5"]
[White "Gravemaker, Wim Laurens"]
[Black "Punt, Roland"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2066"]
[BlackElo "2141"]
[PlyCount "75"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6 9. g3 Be7 10. Bxf6 Bxf6 11. Bg2 Rc8 12. 0-0 Bg5 13. Kh1 b5 14. Nd5 0-0 15. c3 f5 16. f4 Bh6 17. Nc2 fxe4 18. Nce3 exf4 19. gxf4 Qe8 20. Bxe4 Bh3 21. Qd3 Bxf1 22. Bxh7+ Kh8 23. Rxf1 Ne7 24. Bf5 Rd8 25. Rf3 Nxf5 26. Nxf5 Qe6 27. Nfe7 Rde8 28. Re3 Qd7 29. Ng6+ Kg8 30. Nde7+ Kf7 31. Qd5+ Kf6 32. Qd4+ Kf7 33. Ne5+ dxe5 34. Qxd7 Rxe7 35. Qd5+ Ke8 36. Rxe5 Bxf4 37. Qa8+ Kf7 38. Rf5+ 1-0

[Event "Amsterdam Science Park op-A 2nd"]
[Site "Amsterdam"]
[Date "2012.07.17"]
[Round "4"]
[White "Kuling, Lody"]
[Black "Gravemaker, Wim Laurens"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2244"]
[BlackElo "2066"]
[PlyCount "87"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. d4 Bd6 7. Be2 0-0 8. 0-0 Bf5 9. Re1 Nd7 10. Nh4 Bg6 11. Nxg6 hxg6 12. Bf3 Qc7 13. g3 Rfe8 14. Bd2 Qb6 15. c3 c5 16. Qb3 cxd4 17. Qxb6 Nxb6 18. cxd4 Rxe1+ 19. Rxe1 Nc4 20. Bc3 Rb8 21. a4 b6 22. Bd5 Rc8 23. Kg2 Na3 24. Re2 b5 25. bxa3 Rxc3 26. Re8+ Kh7 27. axb5 Rd3 28. Bxf7 Rxd4 29. Rd8 Bc5 30. Rxd4 Bxd4 31. h4 g5 32. h5 Bc5 33. a4 Bb4 34. g4 Kh8 35. f3 Kh7 36. Kf2 Kh8 37. Ke3 Kh7 38. Kd4 Kh8 39. Kd5 Bd2 40. Kc6 f5 41. Kb7 fxg4 42. fxg4 Be3 43. a5 g6 44. hxg6 1-0

[Event "Amsterdam Science Park op-A 2nd"]
[Site "Amsterdam"]
[Date "2012.07.15"]
[Round "2"]
[White "Timmermans, Mark"]
[Black "Gravemaker, Wim Laurens"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2194"]
[BlackElo "2066"]
[PlyCount "69"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. Nf3 Bg4 6. Bb5 e6 7. b4 Nge7 8. Nbd2 Nf5 9. h3 Bxf3 10. Nxf3 Be7 11. Rb1 0-0 12. 0-0 a5 13. a3 Qc7 14. Bf4 axb4 15. axb4 Ra2 16. c4 d4 17. Bxc6 bxc6 18. g4 Nh4 19. Nxd4 Rd8 20. Rb3 Qd7 21. Be3 f6 22. Qb1 fxe5 23. Qxa2 exd4 24. Bf4 d3 25. Rd1 Qd4 26. Rbxd3 Qxf4 27. Rxd8+ Bxd8 28. Rxd8+ Kf7 29. Qe2 Nf3+ 30. Kg2 Nh4+ 31. Kf1 Qh2 32. Rd7+ Kf8 33. Qe3 Qh1+ 34. Ke2 Ng2 35. Qf3+ 1-0

[Event "Amsterdam Science Park op-A 2nd"]
[Site "Amsterdam"]
[Date "2012.07.14"]
[Round "1"]
[White "Gravemaker, Wim Laurens"]
[Black "De Saegher, Chris"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2066"]
[BlackElo "2208"]
[PlyCount "41"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Qb3 Bxf3 9. gxf3 e6 10. Qxb7 Nxd4 11. Bb5+ Nxb5 12. Qc6+ Ke7 13. Qxb5 Qd7 14. Nxd5+ Qxd5 15. Qxd5 exd5 16. Be3 Ke6 17. 0-0-0 Rc8+ 18. Kb1 Bc5 19. Rhe1 Bxe3 20. Rxe3+ Kd6 21. Ra3 1/2-1/2

[Event "Amsterdam Science Park op-A 1st"]
[Site "Amsterdam"]
[Date "2011.07.17"]
[Round "9"]
[White "Gravemaker, Wim Laurens"]
[Black "Van Weersel, Arlette"]
[Result "0-1"]
[ECO "C97"]
[WhiteElo "2047"]
[BlackElo "2237"]
[PlyCount "96"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. b3 c4 13. b4 Nc6 14. d5 Nd8 15. a4 Rb8 16. a5 Ne8 17. Nh2 f5 18. f4 exf4 19. Bxf4 fxe4 20. Rf1 Nf6 21. Bg5 Nf7 22. Bxf6 Bxf6 23. Ng4 Bxg4 24. Qxg4 Ne5 25. Qxe4 g6 26. Nd2 Rbe8 27. Rae1 Re7 28. Qf4 Ref7 29. Ne4 Bg7 30. Qe3 Rxf1+ 31. Rxf1 Rxf1+ 32. Kxf1 Qf7+ 33. Kg1 Qxd5 34. Qg5 Nf3+ 35. gxf3 Qxg5+ 36. Nxg5 Bxc3 37. Ne6 Bxb4 38. Nc7 Bxa5 39. Nxa6 d5 40. Kf1 Kf7 41. Ke2 Ke7 42. Ke3 Kd6 43. Kd4 b4 44. Ke3 b3 45. Bd1 Bc3 46. f4 d4+ 47. Ke4 b2 48. Bc2 d3 0-1

[Event "Amsterdam Science Park op-A 1st"]
[Site "Amsterdam"]
[Date "2011.07.16"]
[Round "8"]
[White "Hovenga, Alje"]
[Black "Gravemaker, Wim Laurens"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2221"]
[BlackElo "2047"]
[PlyCount "68"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. Bg5 c4 10. Ne5 Be6 11. b3 Qa5 12. Qd2 Rfd8 13. Rfd1 Rac8 14. Nxc6 bxc6 15. Bxf6 Bxf6 16. Ne4 Qxd2 17. Nxf6+ gxf6 18. Rxd2 f5 19. Rc1 Rc7 20. e3 Rdd7 21. Bf1 c5 22. Rdc2 cxd4 23. exd4 Rc6 24. a3 Kg7 25. Rc3 Rb6 26. b4 a5 27. bxa5 Rb8 28. Be2 Ra7 29. Bd1 Rxa5 30. Re3 Kf6 31. Kg2 Rb2 32. Rc2 Rab5 33. Kf3 Rb1 34. Rd2 Ra1 1/2-1/2

[Event "Amsterdam Science Park op-A 1st"]
[Site "Amsterdam"]
[Date "2011.07.15"]
[Round "7"]
[White "Gravemaker, Wim Laurens"]
[Black "Theulings, Paul Peter"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "2047"]
[BlackElo "2120"]
[PlyCount "37"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 Nc6 8. Nge2 0-0 9. b3 Re8 10. 0-0 a5 11. h3 a4 12. Be3 Nb4 13. Bb1 axb3 14. Qxb3 Nc6 15. c5 Nd7 16. Rd1 Nf6 17. a4 Na5 18. Qb4 Be6 19. Ba2 1/2-1/2

[Event "Amsterdam Science Park op-A 1st"]
[Site "Amsterdam"]
[Date "2011.07.14"]
[Round "6"]
[White "Van der Lende, Ilias"]
[Black "Gravemaker, Wim Laurens"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2141"]
[BlackElo "2047"]
[PlyCount "126"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 dxc4 7. Bxc4 h6 8. Be3 Bg4 9. f3 Bf5 10. Qb3 e6 11. Qxb7 Qc8 12. Ba6 Ne7 13. Nb5 Qxb7 14. Bxb7 Rd8 15. d5 Nfxd5 16. Bc5 Kd7 17. Bxa7 Nc6 18. Rc1 Bb4+ 19. Kf2 Ne5 20. Kg3 Nd3 21. Ne2 Nxc1 22. Rxc1 Bd3 23. Ned4 Bxb5 24. Nxb5 Ke7 25. a4 Rd7 26. Bc6 Rdd8 27. Rc4 Be1+ 28. Kh3 Kf6 29. Re4 Bd2 30. g3 Nb4 31. Bd4+ Kf5 32. Re5+ Kf6 33. Re2+ e5 34. Bxe5+ Kg6 35. Be4+ f5 36. Bb1 Rhe8 37. f4 Nc6 38. Kg2 h5 39. Kf3 Bb4 40. h3 Rd1 41. Bc2 Rg1 42. g4 hxg4+ 43. hxg4 Rxg4 44. Nc7 Rxe5 45. Rxe5 Nxe5+ 46. fxe5 Rc4 47. Nd5 Rxc2 48. Nxb4 Rxb2 49. Nc6 Rc2 50. Ne7+ Kg5 51. a5 Rc3+ 52. Kf2 Rc7 53. Nd5 Rc5 54. Nb4 Rxe5 55. a6 Ra5 56. Nd3 Rxa6 57. Nc5 Ra3 58. Kg2 Kg4 59. Ne6 g5 60. Kf2 f4 61. Nd4 Ra2+ 62. Kg1 Kg3 63. Nf5+ Kh3 0-1

[Event "Amsterdam Science Park op-A 1st"]
[Site "Amsterdam"]
[Date "2011.07.13"]
[Round "5"]
[White "Gravemaker, Wim Laurens"]
[Black "Zult, Daan"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2047"]
[BlackElo "2241"]
[PlyCount "76"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. c3 Nxe4 7. d4 exd4 8. cxd4 d5 9. Re1 0-0 10. Nc3 Bf5 11. Bf4 b5 12. Bb3 Nxc3 13. bxc3 Bf6 14. Be5 Bxe5 15. Nxe5 Ne7 16. Qf3 Qd6 17. Re3 Rad8 18. Rae1 Bg6 19. g4 c6 20. h4 f5 21. g5 f4 22. R3e2 Bf5 23. h5 Nc8 24. Nd3 Bxd3 25. Qxd3 Qd7 26. Re6 Nd6 27. f3 Rf5 28. R6e5 Rdf8 29. Bc2 Qd8 30. Kf2 Qxg5 31. Rg1 Qxh5 32. Re6 Qh4+ 33. Kf1 Nc4 34. Qe2 R5f6 35. Rxf6 Ne3+ 36. Qxe3 fxe3 37. Rxf8+ Kxf8 38. Rg2 Qh1+ 0-1

[Event "Amsterdam Science Park op-A 1st"]
[Site "Amsterdam"]
[Date "2011.07.12"]
[Round "4"]
[White "Afek, Yochanan"]
[Black "Gravemaker, Wim Laurens"]
[Result "1-0"]
[ECO "D33"]
[WhiteElo "2298"]
[BlackElo "2047"]
[PlyCount "47"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. d4 c5 4. cxd5 exd5 5. Nc3 Nc6 6. g3 Bg4 7. Bg2 cxd4 8. Nxd4 Bb4 9. 0-0 Nge7 10. Nxc6 bxc6 11. Qd4 Bxc3 12. bxc3 Bf5 13. Qxg7 Rg8 14. Qe5 Qb8 15. Qd4 Qb5 16. Ba3 Ng6 17. e4 Be6 18. exd5 cxd5 19. Rfe1 Nf8 20. Qf6 Qd7 21. Bxd5 Rg6 22. Rxe6+ Qxe6 23. Bc6+ Qxc6 24. Qe7# 1-0

[Event "Amsterdam Science Park op-A 1st"]
[Site "Amsterdam"]
[Date "2011.07.11"]
[Round "3"]
[White "Gravemaker, Wim Laurens"]
[Black "Hendrikx, Niels"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2047"]
[BlackElo "2246"]
[PlyCount "79"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Be7 8. g3 Qb6 9. Ne2 cxd4 10. cxd4 0-0 11. Bh3 Re8 12. 0-0 Nf8 13. Kh1 f6 14. b3 Ng6 15. a4 Bd7 16. Ba3 Nb4 17. exf6 Bxf6 18. Nc3 Bc6 19. Qd2 Na6 20. Rab1 Qd8 21. b4 Nc7 22. b5 Bd7 23. Rfe1 b6 24. f5 exf5 25. Rxe8+ Qxe8 26. Bd6 Bd8 27. Re1 Qf7 28. Ne5 Nxe5 29. Rxe5 Ne8 30. Bg2 Nf6 31. Nxd5 Rc8 32. Be7 Be6 33. Nf4 Bd7 34. Bxf6 Qxf6 35. Bd5+ Kh8 36. Bb7 Rb8 37. Bc6 Bxc6+ 38. bxc6 Qxc6+ 39. d5 Qd6 40. Re8+ 1-0

[Event "Amsterdam Science Park op-A 1st"]
[Site "Amsterdam"]
[Date "2011.07.10"]
[Round "2"]
[White "Gravemaker, Wim Laurens"]
[Black "Otte, Marijn Willem"]
[Result "1/2-1/2"]
[ECO "B99"]
[WhiteElo "2047"]
[BlackElo "2244"]
[PlyCount "156"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 h6 10. Bh4 Nbd7 11. Be2 Rg8 12. Rhe1 g5 13. Bf2 gxf4 14. Qh3 b5 15. Bf3 Bb7 16. g3 fxg3 17. Bxg3 Ne5 18. Bxe5 dxe5 19. Nxe6 fxe6 20. Qxh6 Rf8 21. Rf1 Bc5 22. Be2 Qh7 23. Qg5 Qxh2 24. Rxf6 Be3+ 25. Qxe3 Rxf6 26. Qb6 Qh7 27. Bh5+ Kf8 28. Rd8+ Rxd8 29. Qxd8+ Kg7 30. Qe7+ Kg8 31. Qxf6 Qxh5 32. Qxe6+ Kf8 33. Qf6+ Ke8 34. Qe6+ Kd8 35. Qd6+ Kc8 36. b3 Qg5+ 37. Kb2 Qf4 38. a4 bxa4 39. Nxa4 Bxe4 40. Nc5 Bf3 41. Qd7+ Kb8 42. Qd8+ Ka7 43. Qc7+ Ka8 44. Qc8+ Ka7 45. Qxa6+ Kb8 46. Qb6+ Kc8 47. Ne6 Qf7 48. Ng5 Qf4 49. Nxf3 Qxf3 50. Qe6+ Kb8 51. Qxe5+ Ka7 52. c3 Kb7 53. b4 Ka7 54. Qd4+ Kb7 55. Kb3 Qf7+ 56. c4 Qf3+ 57. Ka4 Qe2 58. Qd7+ Ka6 59. b5+ Kb6 60. Qc6+ Ka7 61. b6+ Ka6 62. b7+ Ka7 63. Kb5 Qb2+ 64. Kc5 Qf2+ 65. Kd6 Qf6+ 66. Kc5 Qf2+ 67. Kd6 Qf6+ 68. Kd7 Qf7+ 69. Kd8 Qf8+ 70. Qe8 Qd6+ 71. Kc8 Qc6+ 72. Kd8 Qd6+ 73. Qd7 Qf8+ 74. Kc7 Qc5+ 75. Qc6 Qe7+ 76. Kc8 Qe6+ 77. Qd7 Qg8+ 78. Qd8 Qxc4+ 1/2-1/2

[Event "Amsterdam Science Park op-A 1st"]
[Site "Amsterdam"]
[Date "2011.07.09"]
[Round "1"]
[White "Kohler, Aran"]
[Black "Gravemaker, Wim Laurens"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "2225"]
[BlackElo "2047"]
[PlyCount "74"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nc6 5. Nf3 Nf6 6. Ne5 Be7 7. cxd5 exd5 8. Bb5 Bd7 9. Nxd7 Qxd7 10. dxc5 Bxc5 11. 0-0 0-0 12. a3 Rad8 13. b4 Bd6 14. Bb2 Rfe8 15. Re1 a6 16. Bxc6 bxc6 17. h3 a5 18. bxa5 Rb8 19. Na4 Ne4 20. Nb6 Qa7 21. Bd4 c5 22. f3 cxd4 23. fxe4 Qxa5 24. Nxd5 Rxe4 25. Nb4 Rbe8 26. Nc6 Qg5 27. Nxd4 Bc5 28. Nf3 Rxe3 29. Rxe3 Qxe3+ 30. Kh1 Bxa3 31. Qa4 Bd6 32. Qc6 Bb8 33. Qb5 Kf8 34. Qb1 g6 35. Qb4+ Qe7 36. Qd2 Qe3 37. Qb4+ Qe7 1/2-1/2

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.14"]
[Round "9"]
[White "Duessel, Udo"]
[Black "Gravemaker, Wim Laurens"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2271"]
[PlyCount "120"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 exd5 6. g3 Nc6 7. Bg2 Be7 8. 0-0 0-0 9. Bg5 c4 10. Ne5 Be6 11. f4 Qb6 12. Bxf6 Bxf6 13. Nxd5 Bxd5 14. Bxd5 Bxe5 15. fxe5 Nxd4 16. e3 Ne6 17. Qe2 Rad8 18. Bxc4 Qc5 19. Rf5 g6 20. Rf6 Qxe5 21. Raf1 b5 22. Bxb5 Rb8 23. Bc4 Rxb2 24. Qg4 Qxe3+ 25. Kh1 Rb6 26. Bb3 a5 27. h4 Rb4 28. Qf3 Qxf3+ 29. R6xf3 Re4 30. Rf6 a4 31. Bd5 Re5 32. Bc6 Nc5 33. R6f4 f5 34. Bxa4 Re3 35. Bb5 Rxg3 36. Rc1 Nd3 37. Kh2 Re3 38. Bxd3 Rxd3 39. Ra4 Rfd8 40. Ra7 R8d7 41. Rxd7 Rxd7 42. Ra1 Rd4 43. a4 Rxh4+ 44. Kg3 Rc4 45. a5 Rc7 46. Kf4 Kf7 47. Ke5 Ra7 48. Kd6 f4 49. Kc6 g5 50. Kb6 Ra8 51. Kb7 Rxa5 52. Rxa5 Kf6 53. Kc6 f3 54. Kd5 Kf5 55. Ra7 Kf4 56. Kd4 Kg3 57. Ke3 h6 58. Ra6 Kg2 59. Ra2+ Kg3 60. Ra6 Kg2 1/2-1/2

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.12"]
[Round "7"]
[White "Verlinde, Tieme"]
[Black "Gravemaker, Wim Laurens"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2235"]
[PlyCount "141"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nf3 Nc6 7. Bb5 e6 8. 0-0 Be7 9. d4 0-0 10. Re1 Bf6 11. a3 Nde7 12. Be3 Nf5 13. Bxc6 bxc6 14. Ne4 Nxe3 15. Nxf6+ Qxf6 16. Rxe3 Bb7 17. Rc1 Rac8 18. Ne5 Qe7 19. Rc5 Rfd8 20. b4 Rd5 21. Rec3 Rcd8 22. Rxd5 Rxd5 23. Rc5 Qd6 24. Qh5 g6 25. Qf3 f5 26. Rxd5 Qxd5 27. Qxd5 exd5 28. Kf1 Kf8 29. Ke2 Ke7 30. Kd3 Ba6+ 31. Kc3 Kd6 32. Kb3 Bb5 33. f4 Kc7 34. Nf7 Bc4+ 35. Kc3 Be2 36. Ng5 h5 37. Ne6+ Kb6 38. Nf8 Bf1 39. g3 a5 40. Nxg6 a4 41. Ne5 Bg2 42. Nd7+ Kb5 43. Nf6 Bf3 44. Ne8 Bg4 45. Nd6+ Kb6 46. h4 Bh3 47. Nf7 Kc7 48. Ne5 Bf1 49. Kd2 Kd6 50. Ke3 Bb5 51. Nf3 Ke6 52. Nd2 Kf6 53. Nb1 Kg6 54. Nc3 Kf6 55. Nd1 Kg6 56. Nf2 Bc4 57. Nh1 Ba6 58. b5 Bxb5 59. Kd2 Kf6 60. Kc3 Ke6 61. Kb4 Kd6 62. Nf2 Kc7 63. Nd1 Bd3 64. Nc3 Bc2 65. Nxa4 Bxa4 66. Kxa4 c5 67. dxc5 d4 68. Kb4 d3 69. Kc3 Kc6 70. Kxd3 Kxc5 71. a4 1-0

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.11"]
[Round "6"]
[White "Gravemaker, Wim Laurens"]
[Black "Nabuurs, Joep"]
[Result "1/2-1/2"]
[ECO "C83"]
[BlackElo "2222"]
[PlyCount "64"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Nxe4 7. d4 d5 8. dxe5 Be6 9. c3 Be7 10. Bf4 0-0 11. Nbd2 Nc5 12. Bc2 d4 13. Ne4 dxc3 14. bxc3 Bc4 15. Re1 Nd3 16. Bxd3 Qxd3 17. Nfd2 Be6 18. Re3 Qd7 19. Rg3 Kh8 20. Qh5 Bf5 21. Bg5 Bg6 22. Qh4 Rad8 23. Re1 Rfe8 24. f4 Bxg5 25. Rxg5 Ne7 26. g4 Bxe4 27. Nxe4 Qc6 28. Rh5 h6 29. Nf6 Qc5+ 30. Kh1 Qc6+ 31. Kg1 Qc5+ 32. Kh1 Qc6+ 1/2-1/2

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.08"]
[Round "2"]
[White "Bezemer, Arno J"]
[Black "Gravemaker, Wim Laurens"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2322"]
[PlyCount "37"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 exd5 6. g3 Nc6 7. Bg2 c4 8. 0-0 Bf5 9. Bg5 Be7 10. Ne5 Ne4 11. Bxe7 Nxc3 12. bxc3 Nxe7 13. e4 Bxe4 14. Qa4+ Kf8 15. Bxe4 dxe4 16. Rab1 b6 17. f3 e3 18. Qxc4 Qd5 19. Qd3 1-0

