Partijen Open Drents Weekendtoernooi 2007

 [Event "Open Drents 2007 A-Groep"] [Site "Assen"] [Date "2007.05.18"] [Round "1"] [White "J. Posthoorn"] [Black "Y.J. Jellema"] [Result "0-1"] [ECO "B17"] [PlyCount "52"]  1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bd3 Bg4 9. Be2 e6 10. O-O Bd6 11. Ne5 Bxe5 12. dxe5 Qxd1 13. Bxd1 Bxd1 14. Rxd1 Nd5 15. c4 Nb6 16. b3 Nd7 17. f4 O-O-O 18. Ba3 c5 19. Rd6 a5 20. Rad1 Kc7 21. Kf2 b6 22. Kf3 Nb8 23. Bb2 Nc6 24. Bc3 Ne7 25. Be1 Nf5 26. Bf2 Nxd6 0-1  [Event "Open Drents 2007 A-Groep"] [Site "Assen"] [Date "2007.05.18"] [Round "1"] [White "J.J. Groenewold"] [Black "B. van Brussel"] [Result "1-0"] [ECO "E04"] [PlyCount "49"]  1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 d5 5. g3 O-O 6. Bg2 dxc4 7. O-O c5 8. Nxc4 Nc6 9. a3 Ba5 10. dxc5 Bc7 11. b4 Qe7 12. Bb2 Rd8 13. Qc2 e5 14. Rfd1 Bg4 15. b5 Bxf3 16. Bxf3 Nd4 17. Bxd4 Rxd4 18. Rxd4 exd4 19. Bxb7 Rd8 20. Nb2 Ba5 21. Bf3 Bc3 22. c6 Nd5 23. Qb3 Nb6 24. a4 Ba5 25. Nd3 1-0  [Event "Open Drents 2007 A-Groep"] [Site "Assen"] [Date "2007.05.18"] [Round "1"] [White "H Seijen"] [Black "B. Jelic"] [Result "0-1"] [ECO "B90"] [PlyCount "66"]  1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 h5 9. Qd2 Nbd7 10. Bg5 Be7 11. O-O-O b5 12. a3 Rb8 13. f4 Bxb3 14. cxb3 Nc5 15. Qc2 b4 16. axb4 Rxb4 17. Bc4 Qb8 18. fxe5 dxe5 19. h4 O-O 20. Bxf6 Bxf6 21. Nd5 Nxb3+ 22. Bxb3 Rxb3 23. Nxf6+ gxf6 24. Rd3 Rc8 25. Rc3 Rcxc3 26. bxc3 a5 27. Rh3 Qb6 28. Rg3+ Kf8 29. Qd3 Qg1+ 30. Kc2 Qb1+ 31. Kd2 Rb2+ 32. Ke3 Qe1+ 33. Kf3 Qf2# 0-1  [Event "Open Drents 2007 A-Groep"] [Site "Assen"] [Date "2007.05.18"] [Round "1"] [White "J. Hummel"] [Black "F. van Assendelft"] [Result "0-1"] [ECO "A57"] [PlyCount "52"]  1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 g6 7. a4 a5 8. e4 Nbd7 9. f4 Qxb6 10. Be2 Bg7 11. Nh3 Ba6 12. O-O O-O 13. Re1 Ne8 14. Ra3 c4+ 15. Kh1 Nc7 16. Bg4 Nc5 17. Nf2 e6 18. e5 Nxd5 19. Nxd5 exd5 20. Qxd5 Rad8 21. e6 fxe6 22. Bxe6+ Nxe6 23. Rxe6 Bb7 24. Rxd6+ Bxd5 25. Rxb6 Bd4 26. Be3 Rfe8 0-1  [Event "Open Drents 2007 A-Groep"] [Site "Assen"] [Date "2007.05.18"] [Round "1"] [White "M. Groot"] [Black "T. Timman"] [Result "0-1"] [ECO "B26"] [PlyCount "64"]  1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Be3 Nf6 7. h3 O-O 8. Qd2 Rb8 9. a4 a6 10. f4 e5 11. g4 exf4 12. Bxf4 b5 13. axb5 axb5 14. Nf3 b4 15. Ne2 Be6 16. O-O h5 17. g5 Nh7 18. c3 Qd7 19. Kh2 Rb6 20. d4 bxc3 21. bxc3 cxd4 22. Nexd4 Ne5 23. Nxe6 Qxe6 24. Nd4 Qc4 25. Rfb1 Rxb1 26. Rxb1 Ra8 27. Rb2 Nf8 28. Nb5 Ne6 29. Be3 Nd3 30. Bf1 Be5+ 31. Kg2 Qxe4+ 32. Kg1 Nxb2 0-1  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.18"] [Round "1"] [White "W. Wielenga"] [Black "F. Vermeulen"] [Result "1/2-1/2"] [ECO "C63"] [PlyCount "73"]  1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. Qd3 Bb4+ 7. Nbd2 Qe7 8. O-O a6 9. Ba4 b5 10. Bb3 Na5 11. c3 Nxb3 12. Nxb3 Bc5 13. a4 Bb7 14. axb5 Nxe4 15. Be3 Bxe3 16. Qxe3 axb5 17. Na5 Bd5 18. b3 Nf6 19. Nxe5 O-O 20. Rfe1 Rae8 21. Qd2 Qc5 22. b4 Qd6 23. Qd4 Qe6 24. f3 Qb6 25. Nd3 d6 26. Nf4 Qxd4+ 27. cxd4 Rxe1+ 28. Rxe1 Kf7 29. Rc1 Rc8 30. h4 h6 31. h5 Ke7 32. Kf2 Kd7 33. Re1 Bf7 34. g4 Rf8 35. Kg3 Bc4 36. Rc1 Bd5 37. Rc3 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.18"] [Round "1"] [White "B. Pel"] [Black "B. Davids"] [Result "1-0"] [ECO "A00"] [PlyCount "69"]  1. Nc3 d5 2. e4 dxe4 3. Nxe4 Nd7 4. Bc4 Ngf6 5. Ng5 e6 6. Qe2 Nb6 7. Bb3 h6 8. N5f3 Bd6 9. Ne5 Bxe5 10. Qxe5 Qd6 11. Qe2 O-O 12. Nf3 c5 13. O-O Nbd5 14. d3 b6 15. Ne5 Bb7 16. Bd2 Rad8 17. Rad1 Nd7 18. f4 Ne7 19. Nc4 Qc6 20. Ne3 Nf6 21. Be1 Nf5 22. Nxf5 exf5 23. h3 Rfe8 24. Qf2 Re3 25. Bc3 Nh5 26. Kh2 Nxf4 27. Rd2 Nxg2 28. Qxf5 Qc7+ 29. Kg1 Rg3 30. Qxf7+ Qxf7 31. Rxf7 Nf4+ 32. Kf1 Rf3+ 33. Rf2 Rxf2+ 34. Kxf2 Nxh3+ 35. Kg3 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.18"] [Round "1"] [White "O. Sadallah"] [Black "W. van der Velde"] [Result "1/2-1/2"] [ECO "B07"] [PlyCount "66"]  1. d4 Nf6 2. Nc3 d6 3. e4 g6 4. Be3 Bg7 5. Qd2 O-O 6. Bh6 e5 7. Bxg7 Kxg7 8. O-O-O Qe7 9. d5 Bd7 10. h4 h5 11. f3 b5 12. Nh3 b4 13. Nb1 a5 14. Nf2 Na6 15. Bxa6 Rxa6 16. Rdg1 c5 17. g4 Bb5 18. Qg5 Rh8 19. Nd2 a4 20. Nd1 Kf8 21. Ne3 Nd7 22. gxh5 Rxh5 23. Qg4 Nf6 24. Qc8+ Qe8 25. Qxe8+ Kxe8 26. c4 Bd7 27. Ndf1 Ke7 28. Rg5 Ra8 29. Ng3 Rh7 30. Ng2 Rah8 31. Kd2 Rh6 32. Ne2 Nh5 33. Ne3 Nf6 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.18"] [Round "1"] [White "P. Tromp"] [Black "J. van der Kaap"] [Result "0-1"] [ECO "C50"] [PlyCount "88"]  1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. Nc3 Nf6 6. Bg5 h6 7. Be3 Bb6 8. Qd2 Be6 9. Bb3 Qd7 10. Nd5 Bxe3 11. Nxf6+ gxf6 12. fxe3 O-O-O 13. d4 d5 14. dxe5 dxe4 15. Qxd7+ Rxd7 16. Nd2 f5 17. Nc4 b5 18. Nd2 Nxe5 19. a4 Rhd8 20. Bxe6 fxe6 21. Nb3 b4 22. Nd4 Rd6 23. O-O-O Ng4 24. Rde1 h5 25. Re2 Kb7 26. h3 Ne5 27. Rf1 c5 28. Nb3 Kb6 29. Nd2 c4 30. Rfe1 b3 31. Rf1 bxc2 32. Kxc2 Rc6 33. Nb1 a6 34. Nc3 Rd3 35. Rf4 Rc8 36. Rf1 Ka5 37. Rfe1 Rg8 38. Rf1 Rg3 39. Nd1 Kxa4 40. Nc3+ Ka5 41. Ra1+ Kb6 42. Nd1 Nc6 43. Ra4 Kb5 44. Nc3+ Rxc3+ 0-1  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.18"] [Round "1"] [White "C. Mol"] [Black "Y.H. de Rover"] [Result "1/2-1/2"] [ECO "E97"] [PlyCount "92"]  1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4 Nh5 10. Re1 a5 11. bxa5 Rxa5 12. Nd2 Nf4 13. Bf1 c5 14. dxc6 bxc6 15. Nb3 Ra8 16. a4 f5 17. c5 d5 18. exd5 Nfxd5 19. Nxd5 Nxd5 20. Bb2 Re8 21. a5 Qc7 22. Bc4 Be6 23. Ra4 Bf7 24. a6 Nf4 25. Qc2 Bd5 26. Na5 Kh8 27. Bxd5 cxd5 28. Nb7 d4 29. Bc1 d3 30. Qa2 Ne2+ 31. Rxe2 dxe2 32. Qxe2 Qd7 33. Ra2 Qc6 34. Nd6 Re6 35. Nf7+ Kg8 36. Ng5 Rd6 37. cxd6 Qxc1+ 38. Qf1 Qxg5 39. a7 Qf6 40. Qc4+ Qf7 41. Qc6 Rxa7 42. Rxa7 Qxa7 43. Qe8+ Bf8 44. h3 Qc5 45. d7 Qc1+ 46. Kh2 Qf4+ 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "1"] [White "O. Suhbat"] [Black "P. den Boer"] [Result "0-1"] [ECO "D00"] [PlyCount "160"]  1. d4 d5 2. b3 Nf6 3. Bb2 e6 4. Nf3 Be7 5. e3 O-O 6. Bd3 Nbd7 7. Nbd2 b6 8. O-O Bb7 9. c3 Re8 10. Qc2 h6 11. Ne5 Nxe5 12. dxe5 Nd7 13. f4 Rc8 14. Nf3 c5 15. c4 Qc7 16. cxd5 Bxd5 17. e4 Bb7 18. Bc4 Qc6 19. f5 b5 20. Be2 c4 21. bxc4 bxc4 22. Rac1 Nb6 23. Nd4 Bc5 24. Kh1 Bxd4 25. Bxd4 Qxe4 26. Qxe4 Bxe4 27. fxe6 fxe6 28. Bxb6 axb6 29. Bxc4 Rxc4 30. Rxc4 Bd3 31. Rfc1 Bxc4 32. Rxc4 Ra8 33. Rc2 Ra5 34. Re2 Kf7 35. Kg1 Kg6 36. Kf2 Kf5 37. Rb2 Kxe5 38. Rxb6 Rxa2+ 39. Kf3 Ra3+ 40. Ke2 Kf5 41. Rb7 Kf6 42. Rb6 h5 43. h4 Kf5 44. Rb7 g6 45. Rf7+ Ke5 46. Rb7 Ke4 47. Rb4+ Kf5 48. Kf2 e5 49. Rb6 Ra4 50. g3 Ra2+ 51. Ke3 Ra3+ 52. Kf2 Rc3 53. Ra6 Rd3 54. Rb6 Rd5 55. Ke3 e4 56. Rb4 Rd3+ 57. Kf2 Rf3+ 58. Kg2 Rd3 59. Rb5+ Ke6 60. Rg5 Rd2+ 61. Kf1 Kf6 62. Ke1 e3 63. Rc5 Rg2 64. Rg5 Rf2 65. Rb5 Rf3 66. Rb6+ Kg7 67. Rb7+ Kh6 68. Ke2 Rxg3 69. Rb1 Rg4 70. Rh1 Re4 71. Rh3 Kg7 72. Rh1 Kf6 73. Kd3 Re5 74. Rf1+ Ke6 75. Ke2 Re4 76. Rg1 Kf5 77. Rg5+ Kf6 78. Ra5 Rxh4 79. Kxe3 Rh3+ 80. Kf2 Rd3 0-1  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "1"] [White "R. Sprangers"] [Black "T. Munnink"] [Result "1/2-1/2"] [ECO "B99"] [PlyCount "77"]  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. O-O-O Nbd7 10. g4 h6 11. Bxf6 gxf6 12. Bg2 Nb6 13. Qh3 Bd7 14. Qh5 Rh7 15. Nce2 Qc5 16. Ng3 Nc4 17. Rd3 Qxh5 18. Nxh5 Na5 19. Rhd1 O-O-O 20. Rc3+ Kb8 21. Bf1 Rc8 22. Rxc8+ Kxc8 23. f5 Nc6 24. fxe6 fxe6 25. Nxc6 Bxc6 26. Bc4 e5 27. Bd5 Be8 28. Bg8 Rh8 29. Be6+ Kc7 30. Ng3 h5 31. Nf5 Bf8 32. Ne3 Bh6 33. Rd3 hxg4 34. Kd1 Bxe3 35. Rxe3 Rxh2 36. Bxg4 Bh5 37. Rc3+ Kb6 38. Rb3+ Kc7 39. Rc3+ 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "2"] [White "B. Jelic"] [Black "R. Miedema"] [Result "0-1"] [ECO "E12"] [PlyCount "68"]  1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. a3 Ba6 5. Qc2 c5 6. d5 exd5 7. cxd5 d6 8. Nc3 g6 9. g3 Bg7 10. Bg2 O-O 11. O-O b5 12. Re1 Nbd7 13. Bf4 Qb6 14. e4 Ng4 15. a4 b4 16. Nb5 Nge5 17. Qe2 Nxf3+ 18. Bxf3 Ne5 19. Bg2 Rad8 20. Bf1 Bc8 21. Bxe5 Bxe5 22. f4 Bg7 23. a5 Qb8 24. a6 Qb6 25. e5 dxe5 26. d6 c4+ 27. Qf2 Qxb5 28. Qxa7 exf4 29. Re4 fxg3 30. Bxc4 Qf5 31. Re7 Rxd6 32. Rxf7 Rxf7 33. Qxf7+ Qxf7 34. Bxf7+ Kxf7 0-1  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "2"] [White "A.P. Timman"] [Black "P. den Boer"] [Result "1/2-1/2"] [ECO "D36"] [PlyCount "53"]  1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Nbd7 5. cxd5 exd5 6. Bg5 c6 7. e3 Be7 8. Qc2 O-O 9. Bd3 Re8 10. O-O h6 11. Bf4 Nf8 12. h3 Bd6 13. Ne5 Qe7 14. Bh2 N8d7 15. f4 a6 16. Kh1 c5 17. Be2 b5 18. Bf3 Bb7 19. a3 b4 20. dxc5 Bxc5 21. Nxd7 bxc3 22. Nxf6+ Qxf6 23. Qxc3 Qxc3 24. bxc3 Rad8 25. c4 Ba8 26. cxd5 Bxd5 27. Bxd5 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "2"] [White "Y.J. Jellema"] [Black "E.J. Pastoor"] [Result "1/2-1/2"] [ECO "B07"] [PlyCount "48"]  1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Bg5 Nf6 5. Bc4 O-O 6. Nf3 Nc6 7. O-O a6 8. Re1 Bg4 9. Nd5 Bxf3 10. gxf3 e6 11. Ne3 Qd7 12. c3 Rab8 13. Bf1 Rfe8 14. Bh3 h6 15. Bxf6 Bxf6 16. d5 Nd8 17. Qc2 Qe7 18. Rad1 e5 19. c4 Bg5 20. Ng2 b6 21. b4 Nb7 22. Qa4 a5 23. a3 Ra8 24. Qb3 Ra7 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "2"] [White "B. Davids"] [Black "P. Tromp"] [Result "1/2-1/2"] [ECO "A16"] [PlyCount "54"]  1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. e3 c6 6. Nge2 d5 7. d4 Re8 8. O-O Na6 9. cxd5 Nxd5 10. e4 Nxc3 11. bxc3 e5 12. f4 exd4 13. cxd4 Bg4 14. e5 Bxe2 15. Qxe2 Qxd4+ 16. Be3 Qc3 17. Rab1 Re7 18. Rb3 Qa5 19. Qf2 b6 20. Bxc6 Rc8 21. Bb5 Nc5 22. Rb2 Rec7 23. Qg2 Qa3 24. Rf3 Nd3 25. Rb3 Rc1+ 26. Bxc1 Rxc1+ 27. Rf1 Qc5+ 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "2"] [White "G. de Wit"] [Black "O. Sadallah"] [Result "1-0"] [ECO "A11"] [PlyCount "70"]  1. Nf3 d5 2. c4 c6 3. cxd5 cxd5 4. d4 Nc6 5. Nc3 e6 6. Bf4 Bd6 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 O-O 10. O-O e5 11. Nb5 Qe7 12. dxe5 Nxe5 13. Nxe5 Qxe5 14. Nd4 Bg4 15. Be2 Bd7 16. Rc1 Rac8 17. Qd3 Rc7 18. Rxc7 Qxc7 19. Bf3 Rc8 20. Rd1 Qb6 21. Qb1 g6 22. h3 Kg7 23. Rc1 Re8 24. b3 Kg8 25. Qb2 Qd6 26. b4 h6 27. a3 Nh7 28. Qb3 Re5 29. Rc5 Nf6 30. Ne2 g5 31. Ng3 g4 32. hxg4 Bxg4 33. Bxg4 Nxg4 34. Rc8+ Kg7 35. Qc3 Kh7 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "2"] [White "Y. de Rover"] [Black "W. Wielenga"] [Result "0-1"] [ECO "C97"] [PlyCount "85"]  1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. d5 b4 13. Nbd2 bxc3 14. bxc3 c4 15. Qe2 Nd7 16. Ba3 Nb6 17. Rab1 Rb8 18. Rb2 Re8 19. Reb1 Bd7 20. Rb4 f5 21. Bc1 f4 22. Kh1 Rb7 23. R1b2 Reb8 24. Nb1 Nc8 25. Nfd2 Rxb4 26. Rxb4 Bh4 27. Na3 Nb6 28. Nf3 Bf6 29. Bd1 Nc8 30. Qc2 Nb6 31. Be2 Rc8 32. Nb1 Bd8 33. Nbd2 Qc5 34. Kg1 Bc7 35. Ba3 Bb8 36. Qc1 Qc7 37. Rb1 Ba7 38. Qb2 Na4 39. Qc2 h6 40. Nh4 Bb5 41. Nf5 Nc5 42. Bb4 Ncb7 43. Bf1 0-1  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "2"] [White "J. van der Kaap"] [Black "B. Pel"] [Result "1/2-1/2"] [ECO "B06"] [PlyCount "84"]  1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. Be3 a6 5. a4 b6 6. Qd2 Bb7 7. d5 Nf6 8. Bh6 O-O 9. f3 e6 10. dxe6 fxe6 11. Bc4 d5 12. Bxg7 Kxg7 13. O-O-O b5 14. Ba2 c6 15. h4 Nbd7 16. h5 Nxh5 17. g4 Nhf6 18. Qh6+ Kg8 19. Nh3 Qe7 20. Nf4 b4 21. Nce2 e5 22. exd5 cxd5 23. Nxd5 Bxd5 24. Rxd5 Nxd5 25. Bxd5+ Kh8 26. Bxa8 Rxa8 27. Qxg6 Rf8 28. Ng3 Rf6 29. Qg5 Qf7 30. Nf5 Nf8 31. Rd1 Rc6 32. Rd6 Rxd6 33. Nxd6 Qxf3 34. Qxe5+ Kg8 35. Qg5+ Ng6 36. Qd8+ Kg7 37. Nf5+ Kf7 38. Qd7+ Kf6 39. Qd6+ Kf7 40. Qc7+ Kf6 41. Qd8+ Kf7 42. Qd7+ Kf6 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "2"] [White "R. Hoogeveen"] [Black "H. Seijen"] [Result "1-0"] [ECO "E76"] [PlyCount "72"]  1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 Na6 7. Be2 e5 8. fxe5 dxe5 9. d5 Nc5 10. Qc2 a5 11. O-O Nh5 12. Be3 b6 13. Nd2 Qh4 14. Bf2 Qg5 15. Nf3 Qe7 16. Bh4 f6 17. Rad1 Nf4 18. Rfe1 h5 19. Bf1 Bg4 20. Nb5 Rad8 21. Na7 Bd7 22. Bf2 Bh6 23. g3 Nh3+ 24. Bxh3 Bxh3 25. Nc6 Qd7 26. Nxd8 Qg4 27. Bxc5 bxc5 28. Rd3 Rxd8 29. Qe2 Kg7 30. Rb3 g5 31. Nd2 Qd7 32. Nf1 h4 33. Ne3 hxg3 34. hxg3 g4 35. Nf5+ Kg6 36. Rb5 Bg5 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "2"] [White "F. van Assendelft"] [Black "J.J. Groenewold"] [Result "1-0"] [ECO "B42"] [PlyCount "133"]  1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. Nc3 Nec6 7. Nb3 d6 8. Qe2 Nd7 9. Be3 Qc7 10. f4 b5 11. O-O Bb7 12. f5 e5 13. a4 b4 14. Nd5 Qb8 15. Qe1 a5 16. Qg3 Ne7 17. Nxe7 Kxe7 18. Rad1 Bc6 19. Qh4+ Ke8 20. Bg5 Bxa4 21. Nd2 Nb6 22. b3 Bc6 23. Nc4 Nxc4 24. Bxc4 Qb7 25. f6 g6 26. Bd5 h5 27. Qf2 Rc8 28. Qe3 Qb8 29. h4 Bb5 30. Rfe1 Rc3 31. Qd2 Qc7 32. Kh2 Kd8 33. Rc1 Ke8 34. Re3 Rc5 35. Rf3 Bc6 36. Bxc6+ Qxc6 37. Rd3 Qc7 38. Rd5 Rxd5 39. Qxd5 Qc5 40. Ra1 Qxd5 41. exd5 Bh6 42. Rxa5 Bxg5 43. hxg5 Rh7 44. Kg3 Kd7 45. Ra7+ Kc8 46. Kh4 Kd8 47. Ra8+ Kd7 48. Rb8 Kc7 49. Rg8 Kb6 50. Rg7 Rh8 51. Rxf7 Kc5 52. Rg7 Kxd5 53. Rxg6 Ke6 54. Rg7 d5 55. g4 hxg4+ 56. Kxg4 Rh1 57. Re7+ Kd6 58. Rb7 e4 59. f7 Rf1 60. g6 e3 61. g7 Rxf7 62. Rxf7 e2 63. g8=Q e1=Q 64. Qd8+ Kc6 65. Rc7+ Kb6 66. Qb8+ Ka6 67. Ra7# 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "2"] [White "B. van Brussel"] [Black "M. Groot"] [Result "1/2-1/2"] [ECO "B50"] [PlyCount "94"]  1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. e5 dxe5 5. Nxe5 Qc7 6. d4 e6 7. Bb5+ Nbd7 8. O-O Bd6 9. Nf3 a6 10. Bd3 b6 11. h3 Bb7 12. Bg5 h6 13. Bxf6 gxf6 14. Nbd2 Rg8 15. Be4 O-O-O 16. Qe2 f5 17. Bxb7+ Kxb7 18. b4 cxd4 19. cxd4 Rg7 20. Rfc1 Qb8 21. Ne1 Nf6 22. Qc4 Qc7 23. Qb3 Qd7 24. Ndf3 Nd5 25. Ne5 Bxe5 26. dxe5 Qb5 27. Rc4 Rdg8 28. a4 Qd7 29. Rac1 Qd8 30. Qf3 Ka7 31. b5 a5 32. Rc6 Qb8 33. Rd6 Rd8 34. Rcc6 Rxd6 35. Rxd6 Qc7 36. Qa3 Rg8 37. Nf3 Rc8 38. Rc6 Qe7 39. Qc1 Rxc6 40. bxc6 Qc5 41. Qxh6 Qxc6 42. Qf8 Qc1+ 43. Kh2 Qc7 44. Qd6 Qb7 45. Nd4 Nf4 46. Nb5+ Ka6 47. f3 Nd5 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "2"] [White "M. Auwens"] [Black "C. Mol"] [Result "0-1"] [ECO "B32"] [PlyCount "60"]  1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. c3 d5 5. e5 dxc3 6. Nxc3 e6 7. Bd3 a6 8. O-O Nge7 9. Qe2 Ng6 10. Bd2 Be7 11. Rac1 Bd7 12. g3 O-O 13. h4 f5 14. exf6 gxf6 15. Bb1 Nge5 16. Nxe5 Nxe5 17. f4 Nc4 18. f5 Nxd2 19. Qxd2 d4 20. fxe6 Bxe6 21. Qh6 d3 22. Qe3 Bf7 23. Bxd3 Bg6 24. Bxg6 hxg6 25. Rcd1 Qc7 26. Qe6+ Rf7 27. Nd5 Qxg3+ 28. Kh1 Qxh4+ 29. Kg2 Qg5+ 30. Kf2 Kg7 0-1  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "3"] [White "B. van Brussel"] [Black "Y. de Rover"] [Result "0-1"] [ECO "B22"] [PlyCount "42"]  1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 e6 6. cxd4 b6 7. Nc3 Nxc3 8. bxc3 Qc7 9. Bd2 d6 10. Bd3 Nd7 11. exd6 Bxd6 12. O-O Bb7 13. Qe2 O-O 14. c4 Rfe8 15. h4 e5 16. Bf5 exd4 17. Qd3 Nc5 18. Bxh7+ Kh8 19. Qf5 Bxf3 20. gxf3 Re5 21. Qb1 g6 0-1  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "3"] [White "R. Miedema"] [Black "F. van Assendelft"] [Result "1-0"] [ECO "A59"] [PlyCount "85"]  1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. Nf3 Nbd7 10. g3 Bg7 11. Kg2 O-O 12. Re1 Ra6 13. e5 dxe5 14. Nxe5 Nxe5 15. Rxe5 Rd6 16. Qf3 Nd7 17. Re2 Nb6 18. Bg5 Re8 19. Rae1 Nxd5 20. Nxd5 Rxd5 21. Rxe7 Rxe7 22. Bxe7 Qd7 23. Rd1 Bd4 24. b4 Qf5 25. Bxc5 Qxf3+ 26. Kxf3 Rf5+ 27. Ke4 Bxc5 28. bxc5 Rxc5 29. Ra1 Kg7 30. a4 Ra5 31. Kd4 Kf6 32. Kc4 Kg5 33. h4+ Kg4 34. Kb4 Ra8 35. a5 f5 36. Kb5 h6 37. Ra4+ Kh5 38. a6 g5 39. hxg5 hxg5 40. a7 f4 41. gxf4 gxf4 42. Kb6 Kg4 43. Kb7 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "3"] [White "P. den Boer"] [Black "Y.J. Jellema"] [Result "1-0"] [ECO "B14"] [PlyCount "43"]  1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Bf4 dxc4 8. Bxc4 O-O 9. O-O Bd7 10. Qe2 Bc6 11. Rad1 Bd5 12. Bd3 Nc6 13. Be5 Nb4 14. Bb1 Rc8 15. Rfe1 Bc6 16. Ng5 h6 17. Nge4 Nbd5 18. Qd3 Nxe4 19. Nxe4 g6 20. Qh3 Kh7 21. Rd3 f6 22. Ng5+ 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "3"] [White "H. Seijen"] [Black "J. Posthoorn"] [Result "1-0"] [ECO "B80"] [PlyCount "53"]  1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Qc7 8. Qd2 b5 9. Bd3 Bb7 10. g4 h6 11. O-O-O Nbd7 12. h4 b4 13. Nce2 d5 14. g5 dxe4 15. gxf6 exd3 16. fxg7 Bxg7 17. Qxd3 Bd5 18. Nf4 Ne5 19. Qe2 Bc4 20. Qg2 Bf8 21. b3 Bd5 22. Nxd5 exd5 23. f4 Qc3 24. Qxd5 Qxe3+ 25. Kb1 Rd8 26. Qxd8+ Kxd8 27. Nf5+ 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "3"] [White "P. Tromp"] [Black "F. Vermeulen"] [Result "1/2-1/2"] [ECO "C44"] [PlyCount "95"]  1. e4 Nc6 2. Nf3 e5 3. d4 exd4 4. c3 d5 5. exd5 Qxd5 6. cxd4 Nf6 7. Be2 Bb4+ 8. Nc3 Ne4 9. Bd2 Bxc3 10. bxc3 O-O 11. O-O Na5 12. Qc2 Bf5 13. Nh4 Nxd2 14. Nxf5 Rae8 15. Ne3 Rxe3 16. fxe3 Nxf1 17. Rxf1 Qg5 18. Rf3 g6 19. Qa4 Nc6 20. Bc4 Kg7 21. Qb5 Qxb5 22. Bxb5 Ne7 23. e4 f5 24. e5 c6 25. Bc4 Nd5 26. Kf2 g5 27. Bxd5 cxd5 28. Ke2 b5 29. Kd2 f4 30. Rf1 g4 31. Ke2 a6 32. e6 Kg6 33. e7 Re8 34. Rxf4 Rxe7+ 35. Kd2 Kg5 36. g3 Re6 37. Rf2 a5 38. Kd3 Rb6 39. Rf7 Rh6 40. Rd7 Rxh2 41. Rxd5+ Kf6 42. Rxb5 Rxa2 43. Re5 a4 44. Re3 Rf2 45. Re4 a3 46. d5 Rf1 47. Ra4 Ke5 48. Rxa3 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "3"] [White "W. van der Velde"] [Black "R. Hoogeveen"] [Result "1/2-1/2"] [ECO "C02"] [PlyCount "48"]  1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Be2 Bb5 7. O-O Bxe2 8. Qxe2 Qa6 9. Qd1 Nc6 10. Be3 cxd4 11. Bxd4 Nh6 12. Nbd2 Nf5 13. Nb3 b6 14. g4 Nfxd4 15. Nfxd4 Rc8 16. Re1 Nxd4 17. Nxd4 Qc4 18. Qf3 Be7 19. Qg3 g6 20. h4 h5 21. g5 Kf8 22. Qf4 Kg7 23. Re3 a6 24. Rf3 Rhf8 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "3"] [White "T. Munnik"] [Black "C. Mol"] [Result "1/2-1/2"] [ECO "B33"] [PlyCount "51"]  1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 Rb8 13. Be2 O-O 14. Nce3 Be6 15. O-O Kh8 16. Qc2 a5 17. Rfd1 Qd7 18. a4 bxa4 19. Bc4 Rfc8 20. Rxa4 Bxe3 21. Nxe3 Nb4 22. cxb4 Bxc4 23. Nxc4 Rxc4 24. Qxc4 Qxa4 25. Rc1 h6 26. h3 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "3"] [White "E.J. Pastoor"] [Black "G. de Wit"] [Result "1-0"] [ECO "A49"] [PlyCount "70"]  1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 O-O 5. O-O d6 6. c3 Nbd7 7. Nbd2 e5 8. e4 Re8 9. Re1 b6 10. Qc2 Bb7 11. b3 c5 12. d5 b5 13. a4 a6 14. Bf1 b4 15. Nc4 Qc7 16. h3 a5 17. Be3 Nb6 18. Nfd2 Nxc4 19. Nxc4 Nd7 20. Rac1 Nb6 21. Nxb6 Qxb6 22. Bb5 Rf8 23. cxb4 axb4 24. Qd2 Qd8 25. Bxc5 dxc5 26. Rxc5 f5 27. Qxb4 fxe4 28. Qxe4 Rc8 29. Bc6 Bxc6 30. dxc6 Qd4 31. Qxd4 exd4 32. b4 d3 33. Rc4 Rfe8 34. Rd1 Re6 35. Rxd3 Re7 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "3"] [White "O. Sadallah"] [Black "B. Davids"] [Result "1-0"] [ECO "D01"] [PlyCount "63"]  1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. e3 e6 5. Bd3 Bxd3 6. Qxd3 h6 7. Bxf6 Qxf6 8. Qb5+ Nd7 9. Qxb7 Rb8 10. Qxc7 Rxb2 11. Nge2 Rxc2 12. Rb1 Ba3 13. Qxa7 Bd6 14. Qa4 Qg6 15. Rb7 O-O 16. Rxd7 Qxg2 17. Qxc2 Qxh1+ 18. Kd2 Qxh2 19. Qb1 Rb8 20. Qg1 Rb2+ 21. Ke1 Qxg1+ 22. Nxg1 Bb4 23. Nge2 Rxa2 24. Kf1 Rb2 25. Nb5 g5 26. Na7 Rb1+ 27. Kg2 Rb2 28. Nc6 Rxe2 29. Nxb4 Kg7 30. Nc6 Kg6 31. Ne5+ Kh5 32. Rxf7 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "3"] [White "R. Sprangers"] [Black "J. van der Kaap"] [Result "1/2-1/2"] [ECO "C45"] [PlyCount "109"]  1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nge7 7. Qd2 O-O 8. O-O-O Rb8 9. h4 d5 10. Nxc6 bxc6 11. Bxa7 Rb7 12. Bd4 f6 13. Bc5 Be6 14. Bc4 f5 15. exf5 Nxf5 16. Rhe1 Re8 17. Bb3 Bh6 18. f4 Qxh4 19. Rxe6 Rxe6 20. Nxd5 Rxb3 21. cxb3 cxd5 22. Qxd5 Qxf4+ 23. Kb1 Qe4+ 24. Qxe4 Rxe4 25. a4 Re8 26. Rd7 Bf4 27. a5 Ra8 28. b4 h5 29. Kc2 g5 30. Kd3 Nh4 31. Bd4 Nxg2 32. Rg7+ Kf8 33. Rh7 Rd8 34. Ke4 Ke8 35. Bc5 Rd1 36. a6 Ra1 37. a7 h4 38. Kf5 Ne3+ 39. Bxe3 Bxe3 40. Rh8+ Kd7 41. a8=Q Rxa8 42. Rxa8 Kc6 43. Ra5 h3 44. Ra6+ Kb5 45. Rh6 Kxb4 46. Rxh3 Bc1 47. Rc3 Bf4 48. Ke4 Bd6 49. Kd5 g4 50. Rc4+ Kb3 51. Rxg4 Kxb2 52. Kc4 Ka3 53. Rg2 Bf4 54. Rf2 Bd6 55. Rf1 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "3"] [White "B. Pel"] [Black "T. Timman"] [Result "1/2-1/2"] [ECO "A00"] [PlyCount "71"]  1. Nc3 d5 2. e4 dxe4 3. Nxe4 Nd7 4. Bc4 Ngf6 5. Ng5 e6 6. Qe2 Nb6 7. Bb3 c5 8. d3 Qc7 9. N1f3 Bd6 10. c3 O-O 11. Bc2 Nbd5 12. Ne4 Be7 13. O-O b6 14. d4 cxd4 15. Nxd4 Bb7 16. Bd2 Rfd8 17. Ng5 Nf4 18. Bxf4 Qxf4 19. Ndxe6 Qd2 20. Qxd2 Rxd2 21. Nd4 h6 22. Nh3 Rd8 23. Rac1 g5 24. Rfd1 Rxd1+ 25. Rxd1 Bc8 26. Nc6 Rxd1+ 27. Bxd1 Bd6 28. f3 Bxh3 29. gxh3 a5 30. Bb3 Nd7 31. Bd5 Kg7 32. Nd4 Kf6 33. Kg2 Ne5 34. Be4 Nc4 35. Nf5 Bc5 36. b3 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "3"] [White "M. Groot"] [Black "J. Hummel"] [Result "1-0"] [ECO "B07"] [PlyCount "109"]  1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. f4 Bg7 5. Nf3 O-O 6. O-O c5 7. c3 cxd4 8. cxd4 Bg4 9. Be3 Nc6 10. Nbd2 e5 11. fxe5 dxe5 12. d5 Nd4 13. h3 Bxf3 14. Nxf3 Nxf3+ 15. Qxf3 Ne8 16. Rac1 Nd6 17. Bc5 Rc8 18. Ba3 Rxc1 19. Rxc1 f5 20. exf5 gxf5 21. Bxd6 Qxd6 22. Bxf5 Kh8 23. Qe4 Qf6 24. Rc8 Rxc8 25. Bxc8 Qb6+ 26. Kh2 Qxb2 27. Qa4 b5 28. Qb3 Qe2 29. Bg4 Qf1 30. Qf3 Qxf3 31. Bxf3 Bf6 32. Kg3 Kg7 33. Kg4 Kf7 34. Be4 h6 35. Kf5 a5 36. Bd3 b4 37. Bc4 Bh8 38. d6+ Ke8 39. Bb5+ Kd8 40. Bc6 Bg7 41. g4 Kc8 42. h4 Kd8 43. Ke6 e4 44. Bxe4 a4 45. Kd5 a3 46. Bc2 Bc3 47. Ba4 Be1 48. Kc4 Kc8 49. g5 hxg5 50. hxg5 Bc3 51. g6 Kd8 52. Kd5 Bg7 53. Ke6 Bc3 54. Kf7 b3 55. Bxb3 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "3"] [White "J.J. Groenewold"] [Black "M. Auwens"] [Result "1-0"] [ECO "A57"] [PlyCount "69"]  1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. d5 b5 5. cxb5 a6 6. e3 Bg7 7. Nc3 d6 8. a4 O-O 9. Ra3 Nbd7 10. Qb3 Qc7 11. Nd2 axb5 12. Bxb5 Ba6 13. O-O Rfb8 14. Qc4 Bxb5 15. Nxb5 Qb7 16. e4 Ne8 17. Qe2 Nc7 18. Nc3 e6 19. dxe6 fxe6 20. Re1 Qc6 21. Nb5 Nxb5 22. axb5 Qb6 23. Qc4 Kf7 24. Rf3+ Bf6 25. e5 dxe5 26. Ne4 Kg7 27. Nxf6 Nxf6 28. Qh4 Ng8 29. Qe4 Qc7 30. b6 Qd6 31. Rd3 Qe7 32. Qxe5+ Qf6 33. Rd7+ Kf8 34. Qxc5+ Ke8 35. Ra7 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "4"] [White "J. Hummel"] [Black "P. Tromp"] [Result "1-0"] [ECO "D85"] [PlyCount "49"]  1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 Bg7 8. Be2 Nc6 9. d5 Ne5 10. Nxe5 Bxe5 11. O-O O-O 12. Bh6 Bg7 13. Bxg7 Kxg7 14. c4 b6 15. f4 Qc7 16. Qd2 Bb7 17. Rad1 Rad8 18. a4 e5 19. d6 Qd7 20. fxe5 Bxe4 21. Rf6 Rfe8 22. Rdf1 Rf8 23. e6 fxe6 24. Rxf8 Rxf8 25. Rxf8 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "4"] [White "F. van Assendelft"] [Black "O. Suhbat"] [Result "0-1"] [ECO "B54"] [PlyCount "52"]  1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 a6 6. Bg5 g6 7. Nxc6 bxc6 8. Qd4 e5 9. Qa4 Qd7 10. f4 Bg7 11. Bc4 h6 12. O-O hxg5 13. fxg5 f5 14. exf5 gxf5 15. Rxf5 d5 16. Raf1 dxc4 17. Rf7 Qd4+ 18. Kh1 Ne7 19. Rxg7 Qh4 20. h3 Bxh3 21. Kg1 Bxg2 22. Rf6 Qh1+ 23. Kf2 Qf1+ 24. Kg3 Rh3+ 25. Kg4 Bf3+ 26. Rxf3 Qxf3# 0-1  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "4"] [White "J . van der Kaap"] [Black "J.J. Groenewold"] [Result "1/2-1/2"] [ECO "B02"] [PlyCount "28"]  1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nb6 5. Bb3 Nc6 6. Nge2 Bf5 7. d4 e6 8. O-O Na5 9. Ng3 Bg6 10. Be3 Nxb3 11. axb3 Be7 12. f4 O-O 13. f5 exf5 14. Nxf5 Re8 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "4"] [White "W. Wielenga"] [Black "R. Sprangers"] [Result "1-0"] [ECO "B52"] [PlyCount "55"]  1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nf6 6. Qe2 Nc6 7. Rd1 g5 8. c3 g4 9. Nh4 Rc8 10. Na3 Qe6 11. Re1 Qe5 12. Nf5 d5 13. d4 Qe6 14. exd5 Qxd5 15. Nb5 e6 16. Ne3 Qh5 17. d5 Ne5 18. dxe6 Rg8 19. Qd1 Nf3+ 20. gxf3 gxf3+ 21. Kh1 Qh3 22. Nd6+ Bxd6 23. Qxd6 Rc6 24. Qb8+ Ke7 25. Qxb7+ Kd6 26. Nc4+ Kd5 27. Rd1+ Kxe6 28. Qxc6+ 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "4"] [White "Y.J. Jellema"] [Black "T. Munnik"] [Result "1-0"] [ECO "B86"] [PlyCount "67"]  1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. O-O Be7 8. Be3 b5 9. Bb3 O-O 10. f3 Qc7 11. a4 b4 12. Na2 d5 13. exd5 Nxd5 14. Bxd5 exd5 15. c3 Bd6 16. f4 bxc3 17. Nxc3 Bb7 18. Rc1 Qd7 19. f5 Nc6 20. f6 g6 21. Nf5 Nd8 22. Nxd5 gxf5 23. Ne7+ Kh8 24. Bh6 Ne6 25. Bg7+ Nxg7 26. fxg7+ Kxg7 27. Nxf5+ Kh8 28. Nxd6 Rad8 29. Rxf7 Qxd6 30. Qxd6 Rxd6 31. Rxf8+ Kg7 32. Rf4 Rb6 33. Rc7+ Kh6 34. b4 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "4"] [White "B. Jelic"] [Black "W. van der Velde"] [Result "1-0"] [ECO "E84"] [PlyCount "59"]  1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. Bh6 b5 10. O-O-O Na5 11. Ng3 bxc4 12. h4 c6 13. h5 Qb6 14. Bxg7 Kxg7 15. hxg6 fxg6 16. e5 Ng8 17. exd6 exd6 18. d5 c5 19. Nce4 Bf5 20. Qc3+ Nf6 21. Nxf5+ gxf5 22. Nxf6 Rxf6 23. Rxh7+ Kxh7 24. Qxf6 Qd8 25. Qxf5+ Kg7 26. Bxc4 Qe7 27. Qg4+ Kf7 28. Qf4+ Kg7 29. Rh1 Rg8 30. Bd3 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.19"] [Round "4"] [White "G. de Wit"] [Black "M. Groot"] [Result "0-1"] [ECO "D35"] [PlyCount "46"]  1. Nf3 d5 2. c4 e6 3. d4 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 c6 7. Qc2 Nbd7 8. cxd5 exd5 9. Bd3 Re8 10. h3 Nf8 11. O-O Be6 12. Rae1 Ng6 13. Bh2 Bd6 14. Ne5 c5 15. f4 Bd7 16. Nxd7 Nxd7 17. Nxd5 cxd4 18. exd4 Rxe1 19. Rxe1 Nf6 20. Nc3 Bxf4 21. Bxg6 Qxd4+ 22. Kh1 hxg6 23. Nb5 Qb4 0-1  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "4"] [White "P. den Boer"] [Black "R. Miedema"] [Result "1/2-1/2"] [ECO "C10"] [PlyCount "100"]  1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. Bg5 Be7 6. e5 Ne4 7. Bxe7 Qxe7 8. Bd3 Qb4 9. O-O Nxc3 10. bxc3 Qxc3 11. Rb1 Na5 12. Ng5 Bd7 13. Qh5 O-O-O 14. Qxf7 Rde8 15. Bb5 c6 16. Bd3 h6 17. Nf3 g5 18. h3 Ref8 19. Qe7 Re8 20. Qd6 b5 21. a4 Nb7 22. Qb4 Qxb4 23. Rxb4 a6 24. c3 Reg8 25. Nd2 Be8 26. Ra1 Kc7 27. axb5 axb5 28. Nb3 Bf7 29. Nd2 Ra8 30. Rbb1 Rxa1 31. Rxa1 Kb6 32. Nb3 Rc8 33. Kf1 c5 34. Be2 c4 35. Nc1 Nd8 36. Bd1 Bg6 37. Ke1 Nc6 38. Kd2 Rf8 39. Ke3 h5 40. g3 h4 41. gxh4 gxh4 42. Bg4 b4 43. cxb4 Nxb4 44. Bd1 Bc2 45. Bg4 Bf5 46. Bxf5 exf5 47. Rb1 Ka5 48. Ra1+ Kb5 49. Rb1 Ra8 50. e6 Ra6 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "4"] [White "Y. de Rover"] [Black "O. Sadallah"] [Result "1-0"] [ECO "B07"] [PlyCount "69"]  1. e4 d6 2. c4 e5 3. Nc3 c5 4. g3 Be6 5. d3 Nc6 6. Bg2 Qd7 7. h3 Nge7 8. Nge2 f6 9. a3 g6 10. Nd5 Bg7 11. O-O O-O 12. Kh2 Rab8 13. Nec3 Nd4 14. a4 a5 15. f4 f5 16. exf5 Nexf5 17. b3 Kh8 18. Ra2 Rf7 19. Raf2 Rbf8 20. Bd2 Ne7 21. Nxe7 Qxe7 22. Ne4 h6 23. Bxa5 exf4 24. Rxf4 Rxf4 25. Rxf4 Rxf4 26. gxf4 Qh4 27. Be1 Qxf4+ 28. Bg3 Qe3 29. Bxd6 Nf5 30. Bc7 Bd4 31. Qf1 Kg7 32. Bf4 g5 33. Bxe3 Nxe3 34. Qe1 Nf5 35. Qa5 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "4"] [White "C. Mol"] [Black "E.J. Pastoor"] [Result "1-0"] [ECO "E91"] [PlyCount "77"]  1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 Nf6 5. e4 O-O 6. Be2 Nc6 7. d5 Nb8 8. O-O Nbd7 9. Qc2 a5 10. h3 Nc5 11. Be3 Ncd7 12. Nd2 e5 13. dxe6 fxe6 14. a3 b6 15. b4 Bb7 16. Rad1 Qe7 17. Nb3 axb4 18. axb4 Ne5 19. c5 bxc5 20. bxc5 Rfb8 21. f4 Nc6 22. Qd2 Nb4 23. Bf3 Na6 24. cxd6 cxd6 25. Na5 Ne8 26. Nxb7 Rxb7 27. e5 dxe5 28. Bxb7 Qxb7 29. fxe5 Nac7 30. Qd7 Qb4 31. Qd4 Qb7 32. Bg5 Ra3 33. Ne4 Kh8 34. Qc5 h6 35. Qxa3 Qxe4 36. Bf6 Kh7 37. Rd7 Nd5 38. Bxg7 Nxg7 39. Rxg7+ 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "4"] [White "F. Vermeulen"] [Black "B. Davids"] [Result "1-0"] [ECO "B30"] [PlyCount "29"]  1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. d4 d6 6. Bc4 e6 7. O-O Be7 8. exd6 Qxd6 9. Re1 O-O 10. Bg5 Rd8 11. Nbd2 cxd4 12. Ne4 Qc7 13. cxd4 Nxd4 14. Qxd4 Nb6 15. Qe5 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "5"] [White "T. Timman"] [Black "Y.J. Jellema"] [Result "1-0"] [ECO "D93"] [PlyCount "67"]  1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Qc2 g6 5. Bf4 Bg7 6. e3 O-O 7. Nc3 Bf5 8. Qb3 b6 9. cxd5 Nxd5 10. Nxd5 cxd5 11. Rc1 e6 12. Be2 h6 13. O-O g5 14. Bc7 Qe7 15. Rc3 Nd7 16. Bg3 Rfc8 17. Rfc1 Rxc3 18. Rxc3 Nf6 19. Rc7 Qd8 20. Qb5 Rc8 21. Qc6 Rxc7 22. Qxc7 Qf8 23. Bd6 Ne8 24. Bxf8 Nxc7 25. Bd6 Ne8 26. Bb8 Bf6 27. Bxa7 Bd8 28. Ne5 Nd6 29. Bb8 Nb7 30. Nc6 Bf6 31. Bc7 Na5 32. Nxa5 bxa5 33. Bxa5 e5 34. Bc3 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "5"] [White "R. Miedema"] [Black "C. Mol"] [Result "1/2-1/2"] [ECO "D89"] [PlyCount "60"]  1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O Bg4 11. f3 Na5 12. Bd3 cxd4 13. cxd4 Be6 14. d5 Bxa1 15. Qxa1 f6 16. Bh6 Rc8 17. Bxf8 Kxf8 18. Qd4 Bf7 19. Qxa7 e6 20. Bb1 exd5 21. Rd1 b6 22. exd5 Ra8 23. Qxa8 Qxa8 24. d6 Qd8 25. d7 Nc4 26. Be4 Na5 27. Rd4 f5 28. Bd3 Nc6 29. Rd6 Nb8 30. Bb5 Ke7 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "5"] [White "J. Posthoorn"] [Black "G. de Wit"] [Result "1-0"] [ECO "B08"] [PlyCount "45"]  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 a6 6. Be3 b5 7. Bd3 Bb7 8. a3 Nbd7 9. Qd2 e5 10. d5 O-O 11. g4 Rc8 12. Nh2 c6 13. dxc6 Rxc6 14. g5 Ne8 15. Ng4 Nb6 16. h4 Nc4 17. Bxc4 Rxc4 18. f3 b4 19. axb4 Rxb4 20. b3 Qc8 21. Rc1 Ba8 22. h5 Rb7 23. Nd5 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "5"] [White "R. Hoogeveen"] [Black "B. Pel"] [Result "0-1"] [ECO "E76"] [PlyCount "50"]  1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 Nf6 5. f4 Na6 6. Nf3 O-O 7. Be2 c5 8. d5 e6 9. O-O exd5 10. exd5 Bf5 11. Bd3 Qd7 12. a3 Nc7 13. Qc2 Rfe8 14. Bd2 b5 15. Bxf5 gxf5 16. cxb5 Ncxd5 17. Rfe1 Ne7 18. a4 d5 19. Ne5 Qc7 20. Nc6 d4 21. Rxe7 Rxe7 22. Nxe7+ Qxe7 23. Re1 Qd6 24. Nd1 Ne4 25. Bc1 d3 0-1  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "5"] [White "W. van der Velde"] [Black "H. Seijen"] [Result "1/2-1/2"] [ECO "B83"] [PlyCount "38"]  1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. O-O Nc6 8. Be3 Bd7 9. Kh1 Nxd4 10. Qxd4 O-O 11. f4 Bc6 12. Bf3 Qc7 13. Rad1 b6 14. e5 dxe5 15. fxe5 Bxf3 16. Rxf3 Rad8 17. Qf4 Rxd1+ 18. Nxd1 Nd5 19. Qe4 Rc8 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "5"] [White "R. Sprangers"] [Black "F. van Assendelft"] [Result "1/2-1/2"] [ECO "B12"] [PlyCount "42"]  1. e4 c6 2. d4 Na6 3. f4 d5 4. e5 h5 5. Nf3 Bf5 6. Bd3 e6 7. Bxf5 exf5 8. O-O Nc7 9. Qd3 g6 10. Be3 Ne6 11. c4 Ne7 12. b3 Bh6 13. g3 O-O 14. Nc3 Qd7 15. c5 b5 16. b4 a5 17. a3 Ra7 18. Nd2 Rfa8 19. Nb3 axb4 20. axb4 Rxa1 21. Nxa1 Ra3 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "5"] [White "E.J. Pastoor"] [Black "J. van der Kaap"] [Result "0-1"] [ECO "D00"] [PlyCount "107"]  1. d4 d5 2. g3 Nf6 3. Bg2 e6 4. Nf3 c5 5. c3 Nc6 6. O-O Be7 7. Re1 O-O 8. Na3 a6 9. Nc2 b6 10. Bg5 Bb7 11. Ne5 Ne4 12. Bxe7 Qxe7 13. Nxc6 Bxc6 14. f3 Nf6 15. e4 dxe4 16. fxe4 Qb7 17. e5 Bxg2 18. exf6 Qf3 19. Re2 Bh3 20. Rf2 Qxd1+ 21. Rxd1 gxf6 22. dxc5 bxc5 23. Ne3 f5 24. Rf4 h5 25. Rc4 Rfc8 26. Rd7 Bg4 27. Kf2 Kf8 28. b3 Rd8 29. Rxd8+ Rxd8 30. Rxc5 Rd2+ 31. Kg1 Rxa2 32. b4 Bf3 33. b5 axb5 34. Rxb5 Re2 35. Nc4 Rg2+ 36. Kf1 Rc2 37. Rb8+ Kg7 38. Ne5 Rxc3 39. Rb2 Be4 40. Rd2 Rc1+ 41. Kf2 Rc2 42. Rxc2 Bxc2 43. Ke3 f6 44. Nf3 e5 45. h4 Kf7 46. Nd2 Ke6 47. Nc4 Kd5 48. Nd2 Kc5 49. Nf3 Kb4 50. Ng1 Bd1 51. Nh3 Kc3 52. Ng1 Kc2 53. Kf2 Bg4 54. Kg2 0-1  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "5"] [White "M. de Groot"] [Black "Y. de Rover"] [Result "0-1"] [ECO "B01"] [PlyCount "130"]  1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. g3 Nf6 5. Bg2 e5 6. Nge2 Bc5 7. d4 exd4 8. Nxd4 Bg4 9. Qd3 Bxd4 10. Qxd4 Nc6 11. Bxc6+ bxc6 12. O-O O-O 13. b4 Qh5 14. f3 Bxf3 15. Qf4 Bg4 16. Qg5 Rfe8 17. Qxh5 Bxh5 18. Bf4 Nd5 19. Nxd5 cxd5 20. Rae1 c6 21. a4 Be2 22. Rf2 Bc4 23. Rxe8+ Rxe8 24. Bd2 Be2 25. a5 a6 26. Bf4 f6 27. Bd6 Re6 28. Bc5 g5 29. Bd4 Kg7 30. Bxf6+ Kg6 31. Bd4 g4 32. Kg2 h5 33. Bc3 Re4 34. Bd2 Bf3+ 35. Kf1 d4 36. h3 Kf5 37. hxg4+ Kxg4 38. c3 d3 39. Bf4 h4 40. Rd2 hxg3 41. Bxg3 Kxg3 42. Rxd3 Rh4 43. Ke1 Rh2 44. Re3 Rc2 45. Re7 Rxc3 46. Kd2 Ra3 47. Ra7 Ra2+ 48. Ke3 Be2 49. Rg7+ Kh4 50. Rg2 Bc4 51. Rg7 Bb5 52. Kf4 Kh3 53. Rg3+ Kh2 54. Rb3 Re2 55. Kf3 Re8 56. Rb2+ Kh3 57. Rb3 Rf8+ 58. Ke4+ Kg4 59. Kd4 Kf4 60. Rb1 Rd8+ 61. Kc5 Ke3 62. Re1+ Kd2 63. Re6 Rd5+ 64. Kb6 Kc3 65. Re4 Rd4 0-1  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "5"] [White "M. Auwens"] [Black "B. van Brussel"] [Result "1/2-1/2"] [ECO "C44"] [PlyCount "85"]  1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. g3 Be7 5. Bg2 O-O 6. O-O d6 7. Nbd2 Nd7 8. Qe2 Bf6 9. c3 Nb6 10. b4 a6 11. a4 Be6 12. Rd1 Qe7 13. a5 Nd7 14. Nc4 Bxc4 15. dxc4 Nd8 16. Qd3 Nb8 17. Nd2 Bg5 18. Nf1 Ne6 19. Bxg5 Qxg5 20. Ne3 Nc6 21. h4 Qd8 22. Rd2 Qe8 23. Qe2 Kh8 24. Qg4 Ne7 25. h5 Ng8 26. Nf5 Nf6 27. Qh4 Ng8 28. Rad1 h6 29. f4 Qd8 30. fxe5 Qxh4 31. Nxh4 dxe5 32. Nf3 Nf6 33. Nxe5 Nxh5 34. g4 Nhf4 35. Bf3 Kg8 36. Nd3 Ng5 37. Kf2 Nfe6 38. e5 Nxf3 39. Kxf3 Rfd8 40. Nf2 Kf8 41. Ne4 Ke7 42. Ng3 Rxd2 43. Rxd2 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "5"] [White "T. Munnik"] [Black "B. Jelic"] [Result "1-0"] [ECO "B78"] [PlyCount "75"]  1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Ne5 11. Bb3 Rc8 12. g4 Nc4 13. Bxc4 Rxc4 14. Kb1 b5 15. b3 Rc5 16. Ne6 fxe6 17. Bxc5 Qa5 18. Bd4 e5 19. Be3 b4 20. Ne2 Bc6 21. h4 Rc8 22. Ng3 d5 23. g5 d4 24. gxf6 dxe3 25. f7+ Kxf7 26. Qxe3 h5 27. Rh2 Rh8 28. Qd3 Qc5 29. Nh1 Bh6 30. Nf2 Be3 31. Nh3 Bd4 32. f4 Qc3 33. Qxc3 Bxc3 34. Rf2 exf4 35. Rxf4+ Ke8 36. Ng5 Be5 37. Rf3 Bb5 38. Rd5 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "5"] [White "O. Sadallah"] [Black "J. Hummel"] [Result "1-0"] [ECO "B07"] [PlyCount "77"]  1. d4 Nf6 2. Nc3 d6 3. e4 g6 4. Be3 c6 5. Qd2 Ng4 6. Bg5 h6 7. Bh4 Bg7 8. f4 Qc7 9. h3 Nf6 10. Nf3 b5 11. e5 b4 12. exf6 bxc3 13. Qxc3 exf6 14. d5 O-O 15. Bxf6 Re8+ 16. Kf2 Bxf6 17. Qxf6 Nd7 18. Qh4 Nc5 19. Bd3 Nxd3+ 20. cxd3 cxd5 21. Qxh6 Qb6+ 22. Kg3 Qxb2 23. d4 Re3 24. Rhe1 Rxf3+ 25. gxf3 Bf5 26. Rad1 Qc3 27. h4 Be4 28. Rf1 Bc2 29. Rc1 Qd2 30. h5 Re8 31. hxg6 Bxg6 32. Rcd1 Qc2 33. Rde1 Rb8 34. Rh1 Bh7 35. Re4 dxe4 36. Qxh7+ Kf8 37. Qh8+ Ke7 38. Qxb8 exf3 39. Qb7+ 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "5"] [White "O. Suhbat"] [Black "W. Wielenga"] [Result "0-1"] [ECO "C55"] [PlyCount "100"]  1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 d6 6. a4 g6 7. Be3 Bg7 8. Nbd2 O-O 9. O-O Kh7 10. Bb3 Ng8 11. d4 Nge7 12. Bc2 g5 13. dxe5 dxe5 14. Bc5 Rg8 15. h3 Ng6 16. Nc4 Qf6 17. Ne3 Nf4 18. Nd5 Qg6 19. Kh2 Kh8 20. Ng1 g4 21. h4 Bf8 22. Nxf4 exf4 23. Bd4+ Nxd4 24. Qxd4+ Bg7 25. Qd3 Be5 26. g3 Qf6 27. Kh1 f3 28. Qe3 Be6 29. Rfd1 a6 30. Rd2 Rad8 31. Rad1 Kg7 32. Rd3 Bc4 33. Rxd8 Rxd8 34. b3 Rxd1 35. Bxd1 Bf1 36. Bxf3 gxf3 37. Nxf3 Qe6 38. Nh2 Bh3 39. f4 Bf6 40. g4 Bxg4 41. f5 Bxf5 42. Qg3+ Bg6 43. h5 Qxe4+ 44. Nf3 Qb1+ 45. Ng1 Qd3 46. Nf3 Qd6 47. Qg2 Qd1+ 48. Kh2 Be5+ 49. Nxe5 Qxh5+ 50. Kg1 Qxe5 0-1  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "6"] [White "E.J. Pastoor"] [Black "R. Sprangers"] [Result "0-1"] [ECO "D00"] [PlyCount "74"]  1. d4 d5 2. g3 Nf6 3. Bg2 c6 4. c3 Bf5 5. Nf3 e6 6. O-O Bd6 7. Re1 Nbd7 8. Nbd2 O-O 9. Nh4 Re8 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 Bxe4 13. Rxe4 Qb6 14. Qc2 Nf6 15. Re1 c5 16. dxc5 Bxc5 17. Be3 Bxe3 18. Rxe3 Rad8 19. Nf3 Rd7 20. Ne5 Rd5 21. Rae1 Red8 22. R3e2 h5 23. Nf3 Rc8 24. Rd2 Rxd2 25. Qxd2 Rd8 26. Nd4 Qa5 27. b4 Qd5 28. Qe2 Rc8 29. Rd1 Ne4 30. Nb5 Qf5 31. Rd3 a6 32. Nd4 Qg6 33. c4 Rxc4 34. Nf3 Qf6 35. Rd8+ Qxd8 36. Qxc4 Qd1+ 37. Kg2 Qxf3+ 0-1  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "6"] [White "Y.J. Jellema"] [Black "M. Groot"] [Result "1-0"] [ECO "B85"] [PlyCount "63"]  1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. Be2 Nc6 8. O-O Be7 9. Kh1 Nxd4 10. Bxd4 e5 11. Be3 Be6 12. f4 exf4 13. Bxf4 d5 14. exd5 Nxd5 15. Nxd5 Qxd5 16. Bf3 Qb5 17. a4 Qb6 18. Be5 O-O 19. Be4 f5 20. Bd3 Bf6 21. Qe2 Qc5 22. Bd4 Qd6 23. Bc5 Qxc5 24. Qxe6+ Kh8 25. Rxf5 Qd4 26. Rh5 g6 27. Bxg6 Kg7 28. Bd3 Rh8 29. Rd5 Qxb2 30. Rd7+ Kh6 31. Qh3+ Kg5 32. Rf1 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "6"] [White "F. Vermeulen"] [Black "J.J. Groenewold"] [Result "1-0"] [ECO "C55"] [PlyCount "37"]  1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 Nxe4 5. dxe5 Nc5 6. O-O Ne6 7. Re1 Be7 8. Nc3 a6 9. Nd5 b5 10. Nxe7 Qxe7 11. Bd5 Bb7 12. c3 O-O 13. Be3 Rfe8 14. Qd2 Rab8 15. b4 Ncd8 16. Rad1 c6 17. Bxe6 Qxe6 18. Qxd7 Re7 19. Qd6 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "6"] [White "W. van der Velde"] [Black "J. Posthoorn"] [Result "1-0"] [ECO "B96"] [PlyCount "65"]  1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. Qf3 Bb7 9. O-O-O Nbd7 10. Bd3 Qc7 11. Rhe1 b4 12. Nd5 exd5 13. exd5+ Kd8 14. Nc6+ Bxc6 15. dxc6 Nc5 16. Bf5 Be7 17. Qe3 Ne6 18. Bxe6 fxe6 19. Qxe6 Rf8 20. Rd4 a5 21. Bxf6 gxf6 22. Rde4 Ra7 23. Qd5 Re8 24. Rxe7 Qxe7 25. Rxe7 Raxe7 26. Qxa5+ Rc7 27. Qxb4 Rxc6 28. Qb8+ Kd7 29. Qb7+ Rc7 30. Qb5+ Kd8 31. h3 Rc5 32. Qb6+ Kd7 33. Qb7+ 1-0  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "6"] [White "H. Seijen"] [Black "G. de Wit"] [Result "1/2-1/2"] [ECO "B07"] [PlyCount "28"]  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. Bd3 Nbd7 7. Nf3 e5 8. O-O Bb7 9. dxe5 dxe5 10. a3 a6 11. Rad1 c5 12. Nd5 Bxd5 13. exd5 e4 14. Rfe1 Be7 1/2-1/2  [Event "Open Drents 2007 A-groep"] [Site "Assen"] [Date "2007.05.20"] [Round "6"] [White "B. Jelic"] [Black "R. Hoogeveen"] [Result "1/2-1/2"] [ECO "A50"] [PlyCount "58"]  1. d4 Nf6 2. c4 c6 3. d5 d6 4. Nc3 e5 5. dxe6 fxe6 6. e4 e5 7. Bg5 Be6 8. c5 dxc5 9. Qxd8+ Kxd8 10. f4 Nbd7 11. Nf3 Be7 12. f5 Bf7 13. O-O-O Kc7 14. Rxd7+ Kxd7 15. Nxe5+ Ke8 16. Nxf7 Kxf7 17. Bc4+ Kf8 18. e5 Ng4 19. Ne4 Bxg5+ 20. Nxg5 Nxe5 21. Be6 h6 22. Nh3 Ke7 23. Nf4 Rhd8 24. Re1 Kd6 25. b3 b5 26. Kc2 a5 27. Rd1+ Ke7 28. Re1 Kd6 29. Rd1+ Ke7 1/2-1/2