[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2014.07.06"]
[Round "2"]
[White "Castaneda, Georgui"]
[Black "Roemersma, Aad"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2500"]
[BlackElo "2106"]
[PlyCount "47"]
[EventDate "2014.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. e3 d5 4. Bd3 c5 5. b3 Nc6 6. 0-0 Qc7 7. c4 dxc4 8. bxc4 Be7 9. Bb2 0-0 10. Nc3 Rd8 11. Qe2 Nb4 12. Bb1 b6 13. a3 Nc6 14. Rd1 Ba6 15. Nb5 Bxb5 16. cxb5 Na5 17. Ba2 Rac8 18. Rac1 Nb7 19. Ne5 Na5 20. f4 Nd7 21. d5 exd5 22. Nxf7 Kxf7 23. Bxd5+ Kf8 24. Qh5 1-0

[Event "Amsterdam Science Park op-A 3rd"]
[Site "Amsterdam"]
[Date "2013.07.14"]
[Round "8"]
[White "Doggers, Peter"]
[Black "Roemersma, Aad"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2227"]
[BlackElo "2100"]
[PlyCount "49"]
[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. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. 0-0 0-0 7. Bg5 h6 8. Bh4 Bg4 9. Nbd2 Nbd7 10. c3 c6 11. Qc2 Qc7 12. Bg3 Rae8 13. Bxd6 Qxd6 14. h3 Bxf3 15. Nxf3 Qf4 16. Rae1 Ne4 17. c4 Ndf6 18. cxd5 cxd5 19. Rd1 g5 20. Ne5 g4 21. g3 Nxg3 22. fxg3 Qxd4+ 23. Qf2 Qxe5 24. Qxf6 Qe3+ 25. Qf2 1-0

[Event "Amsterdam Science Park op-A 3rd"]
[Site "Amsterdam"]
[Date "2013.07.12"]
[Round "7"]
[White "Roemersma, Aad"]
[Black "Bakels, Anton"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2100"]
[BlackElo "2003"]
[PlyCount "129"]
[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. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 e6 5. c4 Ngf6 6. Nc3 Be7 7. d4 cxd4 8. Nxd4 0-0 9. Bxd7 Nxd7 10. Be3 a6 11. b3 Qc7 12. Rc1 Ne5 13. f4 Nc6 14. Nf3 Bd7 15. Qd2 Rab8 16. Rfd1 Rfd8 17. Qf2 b5 18. cxb5 axb5 19. Nd4 Qa5 20. Ncxb5 Nb4 21. a4 d5 22. e5 Rdc8 23. Qd2 Bc5 24. Kh1 Qb6 25. Bg1 f6 26. Rc3 fxe5 27. fxe5 Bxb5 28. Nxb5 Bxg1 29. Rxg1 Rf8 30. Rc7 Rf5 31. Qc3 Rbf8 32. h3 Rf1 33. Qd4 Qxd4 34. Nxd4 Nd3 35. Nxe6 Rxg1+ 36. Kxg1 Re8 37. Ng5 Nxe5 38. Nf3 Nd3 39. Rb7 Re2 40. Rb5 Rb2 41. Rxd5 Nf4 42. Rb5 Rxg2+ 43. Kf1 Ra2 44. Ne5 g6 45. h4 Ng2 46. Nf3 Ne3+ 47. Ke1 Nc2+ 48. Kd1 Ne3+ 49. Kc1 Rc2+ 50. Kb1 Rf2 51. Ng5 h6 52. Rb8+ Kg7 53. Ne6+ Kh7 54. Rb7+ Kh8 55. a5 Rf6 56. Nc5 Rf1+ 57. Kb2 Rf2+ 58. Ka3 Nc2+ 59. Ka4 Rf4+ 60. b4 Rf3 61. a6 Ra3+ 62. Kb5 g5 63. hxg5 hxg5 64. a7 g4 65. Na6 1-0

[Event "Amsterdam Science Park op-A 3rd"]
[Site "Amsterdam"]
[Date "2013.07.10"]
[Round "5"]
[White "Brink, Barry"]
[Black "Roemersma, Aad"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "2154"]
[BlackElo "2100"]
[PlyCount "51"]
[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. d4 e6 2. c4 b6 3. Nc3 Bb7 4. Nf3 Nf6 5. e3 Bb4 6. Qb3 Qe7 7. a3 Bxc3+ 8. Qxc3 a5 9. b3 0-0 10. Be2 d6 11. Bb2 Nbd7 12. 0-0 Ne4 13. Qc2 f5 14. b4 axb4 15. axb4 Ng5 16. Rxa8 Rxa8 17. d5 Nxf3+ 18. Bxf3 Ne5 19. Be2 exd5 20. cxd5 Bxd5 21. Qxf5 Rf8 22. Qc2 Ng6 23. Rd1 Qf7 24. f3 Bb3 25. Qc3 Bxd1 26. Bc4 1-0

[Event "Amsterdam Science Park op-A 3rd"]
[Site "Amsterdam"]
[Date "2013.07.09"]
[Round "4"]
[White "Roemersma, Aad"]
[Black "Polak, Indra"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2100"]
[BlackElo "2163"]
[PlyCount "90"]
[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. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. e4 Nxc3 5. dxc3 Qxd1+ 6. Kxd1 e5 7. Kc2 Be6 8. Be3 Nd7 9. Nf3 f6 10. Nd2 Bc5 11. Bxc5 Nxc5 12. f3 0-0-0 13. Nb3 Na4 14. Bb5 Nb6 15. Nd2 Rd6 16. Rhd1 Rhd8 17. b3 f5 18. Nf1 f4 19. Rxd6 Rxd6 20. Rd1 Rxd1 21. Kxd1 c6 22. Bd3 Kc7 23. Nd2 Kd6 24. a3 g5 25. h3 Bf7 26. Kc2 Ke7 27. b4 Kd6 28. Be2 Nc8 29. Bc4 Bg6 30. Be2 Nb6 31. Bd3 Bf7 32. Be2 c5 33. Bf1 cxb4 34. cxb4 Nc8 35. Bc4 Be6 36. Kc3 Ne7 37. Bxe6 Kxe6 38. Nb3 b6 39. Nc1 Ng6 40. Nd3 Nh4 41. Ne1 Kd6 42. a4 Kc6 43. Kc4 a6 44. Kc3 Kd6 45. Kd3 Kc6 1/2-1/2

[Event "Amsterdam Science Park op-A 3rd"]
[Site "Amsterdam"]
[Date "2013.07.06"]
[Round "1"]
[White "Afek, Yochanan"]
[Black "Roemersma, Aad"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2313"]
[BlackElo "2100"]
[PlyCount "61"]
[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. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Qc2 Na5 8. Nbd2 Bd7 9. Be2 Ne7 10. Rb1 Nb3 11. Nxb3 cxb3 12. Qd3 a6 13. 0-0 Bb5 14. Qd1 Bxe2 15. Qxe2 Nc6 16. Be3 Na5 17. Nd2 Rc8 18. f4 g6 19. g4 Nc4 20. Nxc4 Rxc4 21. Rf2 h5 22. f5 gxf5 23. gxf5 exf5 24. Rbf1 Rc6 25. Rxf5 Rg6+ 26. Kh1 Rh7 27. Rf6 Rxf6 28. Rxf6 Qd8 29. Qd3 Rg7 30. Bh6 Rg8 31. Qh7 1-0

