[Event "Leiden op-A 12th"]
[Site "Leiden"]
[Date "2018.07.14"]
[Round "2"]
[White "Kubbenga, Michael"]
[Black "Zhukova, Natalia"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1898"]
[BlackElo "2380"]
[PlyCount "56"]
[EventDate "2018.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 e6 3. c4 d5 4. Nf3 c5 5. Nc3 cxd4 6. Nxd4 e5 7. Nc2 d4 8. Nb5 Nc6 9. Bg2 Be6 10. b3 a6 11. Nba3 h5 12. h4 Be7 13. Nb1 Bf5 14. Bb2 Qd7 15. Ba3 Rd8 16. Bxe7 Qxe7 17. Qc1 0-0 18. 0-0 e4 19. Qf4 Bg6 20. Ne1 Ng4 21. Bh3 Nce5 22. Bxg4 Nxg4 23. Ng2 Rfe8 24. Qg5 Qd7 25. Qd2 Nxf2 26. Rxf2 e3 27. Qe1 exf2+ 28. Qxf2 d3 0-1

[Event "Leiden LCT op-B 11th"]
[Site "Leiden"]
[Date "2017.07.23"]
[Round "9"]
[White "Kubbenga, Michael"]
[Black "Kastelein, Gerard"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1896"]
[BlackElo "1742"]
[PlyCount "51"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 d5 3. c4 Bg4 4. cxd5 Bxf3 5. gxf3 Qxd5 6. e3 e6 7. Nc3 Qh5 8. Bb5 Nge7 9. Qe2 a6 10. f4 Qh4 11. Bd3 0-0-0 12. a3 g5 13. fxg5 h6 14. Bd2 Bg7 15. 0-0-0 hxg5 16. Be1 Qh3 17. Kb1 e5 18. d5 Nb8 19. e4 Nd7 20. Na4 Qh6 21. Bb4 Ng6 22. Qc2 Bf8 23. Rc1 Bd6 24. Ba5 Kb8 25. Bxa6 bxa6 26. Qc6 1-0

[Event "Leiden LCT op-B 11th"]
[Site "Leiden"]
[Date "2017.07.22"]
[Round "8"]
[White "Thibaut Coignec, Leopold"]
[Black "Kubbenga, Michael"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1648"]
[BlackElo "1896"]
[PlyCount "75"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. f3 Bg7 5. e4 dxe4 6. fxe4 0-0 7. Qd2 c5 8. d5 Qb6 9. Rb1 Na6 10. Nf3 Ne8 11. Be2 Bxc3 12. Qxc3 Qb4 13. 0-0 Qxc3 14. bxc3 Nf6 15. Nd2 b6 16. c4 Re8 17. e5 Nd7 18. a3 Bb7 19. Bg4 Rad8 20. e6 fxe6 21. Bxe6+ Kg7 22. Rb3 Rf8 23. Bxd7 Rxf4 24. Rxf4 Rxd7 25. Nf3 Rd6 26. Ne5 Rf6 27. Rbf3 Bc8 28. Nc6 g5 29. Re4 e6 30. Rxf6 Kxf6 31. Re1 exd5 32. cxd5 Bd7 33. Rf1+ Kg7 34. c4 Nc7 35. Nxa7 b5 36. d6 Ne6 37. cxb5 c4 38. Rc1 1-0

[Event "Leiden LCT op-B 11th"]
[Site "Leiden"]
[Date "2017.07.21"]
[Round "7"]
[White "Kubbenga, Michael"]
[Black "Oostvogels, Niek"]
[Result "1/2-1/2"]
[ECO "D17"]
[WhiteElo "1896"]
[BlackElo "1905"]
[PlyCount "67"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Rd8 11. Qc1 Bd6 12. Nxd6+ Qxd6 13. Bg2 Qe6 14. 0-0 0-0 15. Qe3 Rfe8 16. Rfd1 Nfd7 17. Rd4 Ng6 18. Qxe6 Bxe6 19. Be3 Nge5 20. b4 Nc4 21. Bf4 c5 22. bxc5 Nxc5 23. Rad1 Rxd4 24. Rxd4 b6 25. Nd5 Bxd5 26. Bxd5 Na5 27. Be3 Nab7 28. Kf1 h6 29. Ba2 Nd8 30. Bd5 Nde6 31. Rb4 Rd8 32. Bf3 Kf8 33. h4 Ke7 34. g4 1/2-1/2

[Event "Leiden LCT op-B 11th"]
[Site "Leiden"]
[Date "2017.07.20"]
[Round "6"]
[White "Van Brussel, Bert"]
[Black "Kubbenga, Michael"]
[Result "0-1"]
[ECO "E67"]
[WhiteElo "1828"]
[BlackElo "1896"]
[PlyCount "77"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Nc3 Bg7 4. Bg2 0-0 5. d4 d6 6. Nf3 c6 7. 0-0 Nbd7 8. b3 e5 9. Bb2 Re8 10. e3 Qc7 11. Qc2 exd4 12. exd4 Nf8 13. Rfe1 Bf5 14. Qd2 Ne4 15. Nxe4 Bxe4 16. Re2 d5 17. Rae1 Ne6 18. Ne5 Bxg2 19. Kxg2 Rad8 20. c5 Re7 21. f4 Rde8 22. b4 f6 23. Nf3 Nf8 24. Ng1 Rxe2+ 25. Rxe2 Qd7 26. a4 Kf7 27. Qe1 Rxe2+ 28. Qxe2 a6 29. Nf3 Qf5 30. b5 axb5 31. axb5 Qe4 32. Qxe4 dxe4 33. Nd2 f5 34. Nc4 cxb5 35. Nd6+ Ke7 36. Nxb7 Ne6 37. Nd6 b4 38. Nc8+ Kd8 39. Nd6 0-1

[Event "Leiden LCT op-B 11th"]
[Site "Leiden"]
[Date "2017.07.18"]
[Round "5"]
[White "Kubbenga, Michael"]
[Black "Vergeer, Michiel"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "1896"]
[BlackElo "1820"]
[PlyCount "71"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 0-0 6. 0-0 c5 7. cxd5 exd5 8. Nc3 Nc6 9. Bg5 Be6 10. Rc1 cxd4 11. Nxd4 Rc8 12. Ncb5 Nxd4 13. Nxd4 Qb6 14. Nxe6 fxe6 15. Rxc8 Rxc8 16. Qa4 Rc4 17. Qb3 Qxb3 18. axb3 Rb4 19. e4 dxe4 20. Rc1 Rxb3 21. Rc2 Kf7 22. Bf1 Rb6 23. Be3 Rc6 24. Rxc6 bxc6 25. Bxa7 Nd5 26. Bg2 Nf6 27. Kf1 e5 28. Bb8 Ke6 29. Bh3+ Kd5 30. Ke2 g5 31. Bc8 Bc5 32. b3 Bd4 33. Bc7 Ne8 34. Ba5 h6 35. Bd2 Nd6 36. Bh3 1/2-1/2

[Event "Leiden LCT op-B 11th"]
[Site "Leiden"]
[Date "2017.07.17"]
[Round "4"]
[White "Plug, Arjan JH"]
[Black "Kubbenga, Michael"]
[Result "1/2-1/2"]
[ECO "C22"]
[WhiteElo "1842"]
[BlackElo "1896"]
[PlyCount "33"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Bb4+ 5. Nc3 d6 6. Bd2 Nf6 7. 0-0-0 Bg4 8. f3 Be6 9. Nge2 0-0 10. Qf2 Bc5 11. Qh4 Ne5 12. Bg5 Ng6 13. Qe1 h6 14. Bh4 Nxh4 15. Qxh4 Nh7 16. Qxd8 Rfxd8 17. Nd4 1/2-1/2

[Event "Leiden LCT op-B 11th"]
[Site "Leiden"]
[Date "2017.07.16"]
[Round "3"]
[White "Kubbenga, Michael"]
[Black "Chung, Nyuk Lyn"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1896"]
[BlackElo "1704"]
[PlyCount "97"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Nxd4 Bc5 6. Be3 Nf6 7. Nc3 0-0 8. Bxc4 Ng4 9. Nc2 Nxe3 10. Nxe3 Bxe3 11. fxe3 Qg5 12. Qf3 Nc6 13. Be2 f5 14. 0-0 Be6 15. Qf4 Qe7 16. Nd5 Bxd5 17. exd5 Ne5 18. Rac1 Ng6 19. Qd4 Rae8 20. Qxa7 Qxe3+ 21. Qxe3 Rxe3 22. Bf3 Rf7 23. d6 c6 24. Bd1 Kf8 25. Bb3 Rxb3 26. axb3 Ke8 27. Rfd1 Kd7 28. Ra1 Ke6 29. d7 Rxd7 30. Rxd7 Kxd7 31. Ra7 Kc7 32. Ra8 Nf4 33. Rf8 g6 34. Rf7+ Kb6 35. Rxh7 Ne2+ 36. Kf1 Nc1 37. Rh3 Kb5 38. Rc3 Na2 39. Rc4 c5 40. g4 Nb4 41. gxf5 gxf5 42. h4 Nd5 43. h5 Nf6 44. h6 Nh7 45. Rf4 Kc6 46. Rxf5 b5 47. Rf7 Ng5 48. Rg7 Ne6 49. Rg6 1-0

[Event "Leiden LCT op-B 11th"]
[Site "Leiden"]
[Date "2017.07.15"]
[Round "2"]
[White "Hof, Hasso"]
[Black "Kubbenga, Michael"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "1787"]
[BlackElo "1896"]
[PlyCount "83"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. d3 d6 8. c3 0-0 9. Qd2 d5 10. Bc2 dxe4 11. dxe4 Qxd2 12. Nbxd2 Bd6 13. Re1 Nd8 14. Nf1 Ne6 15. Bd2 Bb7 16. Ng3 g6 17. Rad1 Rfe8 18. Kf1 Kg7 19. Bc1 Nf4 20. Ng1 h5 21. f3 h4 22. N3e2 Ne6 23. Nh3 Nh5 24. Be3 f6 25. Bb3 Rad8 26. Nf2 Nc5 27. Bc2 g5 28. Nd3 Nxd3 29. Rxd3 Be7 30. Red1 Rxd3 31. Rxd3 Rd8 32. Rxd8 Bxd8 33. Nc1 Be7 34. Nd3 Bc8 35. Bb3 Bd6 36. Kf2 Kf8 37. Bd5 Ng7 38. g3 hxg3+ 39. hxg3 Ke7 40. c4 bxc4 41. Bxc4 Be6 42. b3 1/2-1/2

[Event "Leiden LCT op-B 11th"]
[Site "Leiden"]
[Date "2017.07.14"]
[Round "1"]
[White "Kubbenga, Michael"]
[Black "Lotveit, Sjur Vullum"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "1896"]
[BlackElo "1713"]
[PlyCount "61"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 0-0 6. 0-0 b6 7. Bf4 Bb7 8. Ne5 Nbd7 9. Nc3 Rb8 10. Qa4 dxc4 11. Bxb7 Rxb7 12. Nc6 Qe8 13. Qa6 Nc5 14. Nxe7+ Qxe7 15. dxc5 Rbb8 16. Qxa7 e5 17. Be3 Ra8 18. Qb7 Rfb8 19. Qc6 Qd7 20. Qxd7 Nxd7 21. c6 Nf6 22. a4 Kf8 23. Rfd1 Rd8 24. Rxd8+ Rxd8 25. Bg5 Rd6 26. Bxf6 Rxf6 27. a5 bxa5 28. Rxa5 Rxc6 29. Rxe5 f6 30. Re4 Kf7 31. Kg2 1-0

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2014.06.24"]
[Round "7"]
[White "Scherpenisse, Kees"]
[Black "Kubbenga, Michael"]
[Result "1/2-1/2"]
[ECO "E54"]
[WhiteElo "1901"]
[BlackElo "1942"]
[PlyCount "49"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 d5 6. Bd3 c5 7. 0-0 a6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 b5 11. Be2 Bb7 12. a4 Nd5 13. Bd2 b4 14. c4 Nf6 15. a5 Nc6 16. dxc5 Qe7 17. Qa4 Qxc5 18. Rfb1 Rab8 19. Nd4 Nxd4 20. exd4 Qxd4 21. Be3 Qe5 22. Rxb4 Bc6 23. Rxb8 Rxb8 24. Qd1 h5 25. Qd4 1/2-1/2

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2014.06.17"]
[Round "6"]
[White "Kubbenga, Michael"]
[Black "Senders, Justin"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "1942"]
[BlackElo "1945"]
[PlyCount "103"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 0-0 5. Nc3 d6 6. Nf3 Nc6 7. h3 a6 8. 0-0 Rb8 9. e4 Na5 10. Qd3 b5 11. cxb5 axb5 12. b4 Nc6 13. Rb1 e5 14. Be3 exd4 15. Nxd4 Nxd4 16. Bxd4 c5 17. Bxf6 Qxf6 18. Nxb5 c4 19. Qxc4 Be6 20. Qe2 Bxa2 21. Qxa2 Rxb5 22. Qc4 Rfb8 23. Rfd1 Qc3 24. Qxc3 Bxc3 25. Rxd6 Rxb4 26. Rxb4 Rxb4 27. Rc6 Bd4 28. Rd6 Bc5 29. Rd2 Rb1+ 30. Bf1 Kg7 31. Kg2 Rb7 32. Bd3 g5 33. Bc2 h6 34. h4 gxh4 35. gxh4 Be7 36. Kg3 Rc7 37. f4 h5 38. e5 Rc3+ 39. Bd3 Ra3 40. f5 Bb4 41. Rd1 Bc3 42. Kf4 Ra4+ 43. Be4 Ra5 44. f6+ Kh6 45. Bd5 Ra7 46. Kf5 Ra5 47. Rd3 Ba1 48. Rd1 Bc3 49. Kf4 Ra4+ 50. Be4 Ra5 51. Rd5 Ra7 52. Rd8 1-0

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2014.06.10"]
[Round "5"]
[White "Belle, Arthur"]
[Black "Kubbenga, Michael"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1804"]
[BlackElo "1942"]
[PlyCount "59"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. 0-0 0-0 7. Bb3 a6 8. h3 h6 9. Be3 Qe7 10. Re1 Bxe3 11. Rxe3 Nh5 12. d4 Nf4 13. Nbd2 Qf6 14. Nf1 Ne7 15. Ng3 g5 16. Nh2 Qg6 17. dxe5 dxe5 18. Ng4 Nc6 19. Nf5 h5 20. Nxe5 Qf6 21. Nxc6 Bxf5 22. exf5 bxc6 23. Qf3 Rad8 24. h4 Nd5 25. Bxd5 g4 26. Bxf7+ Rxf7 27. Qe2 Qxf5 28. Re5 Qf4 29. Rxh5 Kf8 30. Rh8+ 1-0

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2014.06.03"]
[Round "4"]
[White "Kubbenga, Michael"]
[Black "Zwinkels, Wim"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "1942"]
[BlackElo "1852"]
[PlyCount "90"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. g3 d6 8. Bg2 Bg7 9. Nf3 0-0 10. 0-0 Nbd7 11. Rb1 Qa5 12. Qc2 Rfb8 13. Bd2 Ng4 14. h3 Nge5 15. b3 Nxf3+ 16. Bxf3 Qa3 17. Bc1 Qa5 18. Bb2 c4 19. bxc4 Rxb2 20. Rxb2 Qxc3 21. Qxc3 Bxc3 22. Rc2 Bg7 23. Be4 Rb8 24. Bd3 Nc5 25. f4 Bc8 26. Kh2 h5 27. Rd1 Bd7 28. Rf1 Ba4 29. Rcc1 Rb2 30. Rf3 Nxd3 31. Rxd3 Rxe2+ 32. Kh1 Rxa2 33. Re3 Bd7 34. Rxe7 Bxh3 35. c5 Bg2+ 36. Kh2 Bxd5+ 37. Kh3 dxc5 38. Re8+ Kh7 39. Rxc5 Bg2+ 40. Kh4 Bf6+ 41. Rg5 Bxg5+ 42. Kxg5 Kg7 43. f5 f6+ 44. Kf4 Rf2+ 45. Ke3 Rxf5 0-1

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2014.05.27"]
[Round "3"]
[White "Van 't Hof, Eric"]
[Black "Kubbenga, Michael"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2079"]
[BlackElo "1942"]
[PlyCount "75"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 d6 7. c3 Be7 8. Nbd2 0-0 9. Nf1 d5 10. Qe2 d4 11. Ng3 Be6 12. 0-0 Qd7 13. Bc2 h6 14. a4 Rab8 15. axb5 axb5 16. Bd2 Ne8 17. cxd4 Nxd4 18. Nxd4 exd4 19. f4 Bg4 20. Qf2 Qc6 21. Rfc1 Bd7 22. Kh1 Qd6 23. b4 Bh4 24. Bd1 f5 25. e5 Qb6 26. Bf3 g6 27. Rc5 Ng7 28. Rac1 Rbd8 29. Rxc7 Kh8 30. Rb7 Qa6 31. Rcc7 Qa1+ 32. Qe1 Qxe1+ 33. Bxe1 Bc8 34. Ra7 Ne6 35. Rh7+ Kg8 36. Bd2 h5 37. Ne2 Rfe8 38. g3 1-0

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2014.05.20"]
[Round "2"]
[White "Straver, Robert"]
[Black "Kubbenga, Michael"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2136"]
[BlackElo "1942"]
[PlyCount "128"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 d6 5. dxe5 Nxe5 6. Nxe5 dxe5 7. Qxd8+ Kxd8 8. Bg5 h6 9. Bh4 g5 10. Bg3 Bd6 11. Nd2 Nh5 12. Nc4 Nxg3 13. hxg3 Ke7 14. Nxd6 cxd6 15. Bc4 Be6 16. Bb3 Rad8 17. 0-0-0 Bxb3 18. axb3 Ke6 19. c4 Rc8 20. Rd5 Rc5 21. Rhd1 Rxd5 22. Rxd5 b6 23. Kc2 h5 24. Rd1 f6 25. b4 h4 26. Rh1 Rc8 27. Kd3 hxg3 28. fxg3 Rc7 29. g4 Rf7 30. Rh8 Kd7 31. b5 Kc7 32. b4 Kb7 33. Kc3 Kc7 34. c5 dxc5 35. bxc5 bxc5 36. Kc4 Rd7 37. Kxc5 Rd1 38. Rh7+ Kb8 39. Rf7 Rc1+ 40. Kd5 Rb1 41. Ke6 Rxb5 42. Kxf6 a5 43. Kxg5 Rb4 44. Kf5 Rb2 45. Re7 a4 46. Rxe5 Rf2+ 47. Kg5 a3 48. Ra5 a2 49. g3 Re2 50. Kh5 Rh2+ 51. Kg6 Kc7 52. g5 Kd7 53. Kg7 Ke7 54. g6 Rf2 55. Ra3 Rh2 56. e5 Rf2 57. g4 Rh2 58. Kg8 Rg2 59. g7 Rh2 60. g5 Rg2 61. Kh7 Rxg5 62. g8Q a1Q 63. Rxa1 Rh5+ 64. Kg6 Rg5+ 1-0

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2014.05.13"]
[Round "1"]
[White "Kubbenga, Michael"]
[Black "Heemskerk, Wim"]
[Result "1-0"]
[ECO "E38"]
[WhiteElo "1942"]
[BlackElo "2269"]
[PlyCount "85"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Bxc5 6. Nf3 Qb6 7. e3 Qc7 8. g3 b6 9. Bg2 Bb7 10. 0-0 Nc6 11. a3 Rc8 12. b3 Qb8 13. Bb2 Qa8 14. Rae1 0-0 15. b4 Be7 16. e4 Ng4 17. h3 Nge5 18. Nd5 Nxf3+ 19. Bxf3 exd5 20. exd5 Nxb4 21. axb4 Bxb4 22. Rd1 b5 23. Qf5 bxc4 24. Bxg7 f6 25. Be4 Kf7 26. Qxf6+ Kg8 27. Qh6 Kf7 28. Bxh7 Ke7 29. Qg5+ Kd6 30. Qe5+ Kc5 31. Qe7+ d6 32. Bxf8 Rxf8 33. Qc7+ Kb5 34. Rb1 Bxd5 35. Qxd6 a5 36. Rfd1 Bh1 37. Qe5+ Ka6 38. Rd6+ Ka7 39. Qe7+ Bb7 40. Be4 Rb8 41. Qc7 Rc8 42. Qb6+ Kb8 43. Rd7 1-0

[Event "Leiden LCT op-A 7th"]
[Site "Leiden"]
[Date "2013.07.21"]
[Round "9"]
[White "Kubbenga, Michael"]
[Black "Braggaar, Pim"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "1955"]
[BlackElo "1987"]
[PlyCount "25"]
[EventDate "2013.07.12"]
[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 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Be7 6. Qc2 Nbd7 7. g4 dxc4 8. Bxc4 b6 9. e4 Bb7 10. Rg1 Qc7 11. g5 Nh5 12. Be3 a6 13. e5 1/2-1/2

[Event "Leiden LCT op-A 7th"]
[Site "Leiden"]
[Date "2013.07.20"]
[Round "8"]
[White "Braggaar, Leonore"]
[Black "Kubbenga, Michael"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2080"]
[BlackElo "1955"]
[PlyCount "94"]
[EventDate "2013.07.12"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g6 10. f4 d6 11. Qe4 Nb4 12. Ba3 d5 13. Qe2 Qc5 14. Nc3 Qd4 15. Bb2 dxc4 16. Ne4 Nd3+ 17. Qxd3 Bb4+ 18. Kd1 Qxb2 19. Nf6+ Kf8 20. Rb1 cxd3 21. Rxb2 Rd8 22. h4 h5 23. Rh3 Rd4 24. Rf3 Ke7 25. g3 Rhd8 26. Re3 Bc8 27. Bg2 c5 28. a3 Bc3 29. Rb1 Be6 30. Be4 Rb8 31. Bxd3 Bxb3+ 32. Ke2 c4 33. Be4 Rd2+ 34. Ke1 Rd1+ 35. Ke2 Rxb1 36. Bxb1 Bb2 37. Nd5+ Kd7 38. f5 c3 39. Nxc3 gxf5 40. Bxf5+ Be6 41. Bxe6+ Kxe6 42. Ne4 Bd4 43. Ng5+ Ke7 44. Rf3 Bxe5 45. Rxf7+ Ke8 46. Rh7 Rb3 47. Ne4 Bxg3 1/2-1/2

[Event "Leiden LCT op-A 7th"]
[Site "Leiden"]
[Date "2013.07.19"]
[Round "7"]
[White "Kubbenga, Michael"]
[Black "Vreeburg, Jan"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1955"]
[BlackElo "1922"]
[PlyCount "95"]
[EventDate "2013.07.12"]
[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 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Qc2 h6 8. Bh4 0-0 9. Bd3 Nbd7 10. Nge2 Ne8 11. Bxe7 Qxe7 12. Ng3 Ndf6 13. 0-0 Nd6 14. b4 Bd7 15. a4 a6 16. Rfb1 b5 17. Bf5 Nxf5 18. Nxf5 Qe6 19. Ng3 Rfc8 20. a5 Re8 21. Nce2 Ne4 22. Nxe4 Qxe4 23. Qxe4 Rxe4 24. Rc1 g5 25. Rc3 Kf8 26. Nc1 Re6 27. Nd3 Ke7 28. Rac1 Rd6 29. f3 f5 30. f4 g4 31. Ne5 Rc8 32. Kf2 Be8 33. h3 gxh3 34. gxh3 Rf6 35. Rg1 Bf7 36. Rcc1 Ke8 37. Rg7 Ke7 38. Rcg1 Ke6 39. Rh7 Rf8 40. Rgg7 Ke7 41. Ng6+ Ke8 42. Nxf8 Kxf8 43. Rg1 Ke7 44. Rh8 Kd6 45. Ra8 Kc7 46. Rxa6 Kb7 47. Rb6+ Kc8 48. a6 1-0

[Event "Leiden LCT op-A 7th"]
[Site "Leiden"]
[Date "2013.07.18"]
[Round "6"]
[White "Tinga, Tjerk"]
[Black "Kubbenga, Michael"]
[Result "1-0"]
[ECO "C12"]
[WhiteElo "2026"]
[BlackElo "1955"]
[PlyCount "65"]
[EventDate "2013.07.12"]
[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 Nf6 2. Nc3 d5 3. Bg5 e6 4. e4 h6 5. Bxf6 gxf6 6. exd5 exd5 7. Qf3 Be6 8. Nge2 Nc6 9. a3 f5 10. g3 Bg7 11. 0-0-0 Qg5+ 12. Kb1 Qg4 13. Qd3 0-0-0 14. h4 Bf6 15. Bh3 Qg7 16. Na4 Rd6 17. Nc5 Nd8 18. Nf4 Re8 19. Bxf5 b6 20. Ncxe6 fxe6 21. Bg6 Rg8 22. h5 Kb8 23. Rhe1 e5 24. dxe5 Bxe5 25. Qb3 Bxf4 26. gxf4 Ne6 27. f5 Nc5 28. Qe3 Na4 29. Qe5 Qd7 30. Be8 Rxe8 31. Qxe8+ Kb7 32. Qxd7 Rxd7 33. Re6 1-0

[Event "Leiden LCT op-A 7th"]
[Site "Leiden"]
[Date "2013.07.16"]
[Round "5"]
[White "Kubbenga, Michael"]
[Black "De Coverly, Roger D"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "1955"]
[BlackElo "2036"]
[PlyCount "33"]
[EventDate "2013.07.12"]
[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 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 0-0 11. Be2 b6 12. 0-0 Bb7 13. Qf4 Nd7 14. e5 Qe7 15. Rfc1 Rac8 16. h3 a6 17. Rxc8 1/2-1/2

[Event "Leiden LCT op-A 7th"]
[Site "Leiden"]
[Date "2013.07.15"]
[Round "4"]
[White "Klop, Tjomme"]
[Black "Kubbenga, Michael"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2069"]
[BlackElo "1955"]
[PlyCount "83"]
[EventDate "2013.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 0-0 5. Bg2 d5 6. Ngf3 c5 7. dxc5 dxc4 8. 0-0 Nc6 9. Qc2 Bxc5 10. Nxc4 Qc7 11. Bf4 e5 12. Nfxe5 Nd4 13. Qd1 Ne6 14. Qc1 Nxf4 15. Qxf4 Qe7 16. Nd3 Be6 17. Nxc5 Qxc5 18. Rac1 Qb4 19. b3 Nd5 20. Qe5 Rac8 21. Nd6 Rxc1 22. Rxc1 Qa5 23. Nc4 Qc7 24. Qxc7 Nxc7 25. Bxb7 Rd8 26. Ne3 Ne8 27. Rd1 Nd6 28. Bd5 Bh3 29. f3 h5 30. Kf2 Kf8 31. Rc1 Nf5 32. Nxf5 Bxf5 33. e4 Bg6 34. Rc7 a6 35. Ke3 Rb8 36. f4 f6 37. a3 Rd8 38. Kd4 Be8 39. e5 fxe5+ 40. fxe5 Rd7 41. Rxd7 Bxd7 42. b4 1-0

[Event "Leiden LCT op-A 7th"]
[Site "Leiden"]
[Date "2013.07.14"]
[Round "3"]
[White "Kubbenga, Michael"]
[Black "Padurariu, Ioana Smaranda"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "1955"]
[BlackElo "2208"]
[PlyCount "96"]
[EventDate "2013.07.12"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. e4 d5 6. e5 Ne4 7. Bd3 f5 8. exf6 Nxf6 9. Nf3 Nc6 10. 0-0 Bd6 11. Qe2 a6 12. c5 Be7 13. Be3 Qe8 14. Rac1 Qh5 15. h3 Bd7 16. Ne5 Nxe5 17. Qxh5 Nxh5 18. dxe5 Nf4 19. Bc2 b6 20. cxb6 c5 21. Ba4 Bc8 22. Bc6 Rb8 23. Na4 Nd3 24. Rcd1 Nxe5 25. b7 Bd7 26. Bxd7 Nxd7 27. Rc1 d4 28. Bd2 Rxb7 29. Rfe1 Kf7 30. Rc4 Bd6 31. Rec1 Rb5 32. b4 Ne5 33. Rxc5 Bxc5 34. Rxc5 Rxc5 35. Nxc5 Nc4 36. Bc1 d3 37. Nxd3 Rd8 38. Nb2 Nxb2 39. Bxb2 Rd1+ 40. Kh2 Rd2 41. Be5 Rxf2 42. a4 Re2 43. Bd6 Ra2 44. a5 Kf6 45. Kg3 e5 46. Bc5 Kf5 47. h4 Ra3+ 48. Kf2 Kf4 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.07.02"]
[Round "7"]
[White "Serdijn Koster, Adinda"]
[Black "Kubbenga, Michael"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2048"]
[BlackElo "1955"]
[PlyCount "81"]
[EventDate "2013.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. h3 Bb7 9. d3 d6 10. c3 Na5 11. Bc2 c5 12. Nbd2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. Nh2 d5 16. Ng4 Nxg4 17. Qxg4 Bc8 18. Qe2 d4 19. f4 Qh4 20. Qf3 Bd6 21. Bd2 exf4 22. Ne2 dxc3 23. Bxc3 b4 24. Bd2 Be6 25. Ba4 g5 26. Bxe8 Rxe8 27. Qf2 Qxf2+ 28. Kxf2 Nc6 29. h4 f6 30. a3 Ne5 31. Nc1 bxa3 32. Rxa3 c4 33. Rxa6 Bc5+ 34. Kf1 cxd3 35. b4 Bc4 36. Ra3 Be3 37. Rd1 Rd8 38. hxg5 fxg5 39. Ra5 Nf7 40. Ra3 Ne5 41. Ra5 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.06.25"]
[Round "6"]
[White "Kubbenga, Michael"]
[Black "De Mooij, Marco"]
[Result "1/2-1/2"]
[ECO "A70"]
[WhiteElo "1955"]
[BlackElo "1905"]
[PlyCount "38"]
[EventDate "2013.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bb5+ Bd7 9. Bxd7+ Nbxd7 10. Bf4 Qe7 11. 0-0 0-0 12. Re1 Nh5 13. Bg5 f6 14. Bd2 Ne5 15. Nxe5 fxe5 16. Qg4 Rae8 17. Bg5 Bf6 18. Bh6 Bg7 19. Bg5 Bf6 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.06.18"]
[Round "5"]
[White "Hellenberg, Jan Amerik"]
[Black "Kubbenga, Michael"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "1976"]
[BlackElo "1955"]
[PlyCount "32"]
[EventDate "2013.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 b6 2. Nc3 Bb7 3. e4 e6 4. g3 f5 5. Bg2 Nf6 6. d3 fxe4 7. Nxe4 Nxe4 8. Bxe4 Bxe4 9. dxe4 Qf6 10. a3 Bc5 11. f4 Bxg1 12. Rxg1 Nc6 13. e5 Qf5 14. Be3 Qe4 15. Qe2 0-0-0 16. Bf2 Qxe2+ 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.06.11"]
[Round "4"]
[White "Kubbenga, Michael"]
[Black "Bakker, Joop"]
[Result "1/2-1/2"]
[ECO "A42"]
[WhiteElo "1955"]
[BlackElo "1990"]
[PlyCount "97"]
[EventDate "2013.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. Nf3 Bg4 6. Be3 e5 7. d5 Nd4 8. h3 Bxf3 9. gxf3 c5 10. Be2 f5 11. f4 Ne7 12. fxe5 Bxe5 13. Qd2 f4 14. Bxd4 Bxd4 15. Bg4 g5 16. 0-0-0 Ng6 17. Bh5 a6 18. e5 Bxe5 19. Qc2 Qf6 20. Ne4 Qe7 21. Rhg1 0-0-0 22. Nxg5 Rdg8 23. Qf5+ Kb8 24. Ne6 Qf6 25. Qxf6 Bxf6 26. Kc2 Bd4 27. Bxg6 Rxg6 28. Nxf4 Rxg1 29. Rxg1 Bxf2 30. Rg2 Bd4 31. Ne6 Be5 32. b3 Kc8 33. Rg5 Kd7 34. Nxc5+ dxc5 35. Rxe5 Rg8 36. Kd3 b5 37. Re4 Rg3+ 38. Re3 bxc4+ 39. bxc4 Rg2 40. Rf3 Rxa2 41. Rf7+ Kd6 42. Rxh7 Ra3+ 43. Ke4 Ra4 44. Rh6+ Kd7 45. d6 Kc6 46. Ke5 Rxc4 47. Rh7 Rd4 48. Rc7+ Kb6 49. Rg7 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.06.04"]
[Round "3"]
[White "Spaans, Coenraad"]
[Black "Kubbenga, Michael"]
[Result "1-0"]
[ECO "C44"]
[BlackElo "1955"]
[PlyCount "61"]
[EventDate "2013.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. 0-0 d6 6. c3 Bg4 7. Qb3 Na5 8. Qa4+ c6 9. cxd4 Bxf3 10. dxc5 Nxc4 11. Qxc4 Bg4 12. Qb4 dxc5 13. Qxb7 Ne7 14. Bg5 f6 15. Be3 Be2 16. Re1 0-0 17. Nc3 Bh5 18. Bxc5 Rf7 19. Bxe7 Rxe7 20. Qxc6 Rd7 21. Qb5 g5 22. Nd5 Rd6 23. Rac1 Rb8 24. Qc4 Bf7 25. b3 Bxd5 26. exd5 Qa5 27. Qc7 Qxc7 28. Rxc7 Rxd5 29. Rxa7 Rbd8 30. g3 R8d7 31. Re7 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.05.28"]
[Round "2"]
[White "Kubbenga, Michael"]
[Black "Straver, Robert"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "1955"]
[BlackElo "2157"]
[PlyCount "39"]
[EventDate "2013.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 0-0 6. b3 d6 7. Bb2 e6 8. c4 Qe7 9. Qc2 Nbd7 10. Nbd2 e5 11. e4 fxe4 12. Nxe4 exd4 13. Nxd4 Nxe4 14. Bxe4 Nf6 15. Bg2 c6 16. Rae1 Qf7 17. Ba3 Ng4 18. Nxc6 Bf5 19. Ne7+ Qxe7 20. Qxf5 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2012.06.26"]
[Round "7"]
[White "Oei, Hway Ik"]
[Black "Kubbenga, Michael"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2076"]
[BlackElo "1896"]
[PlyCount "73"]
[EventDate "2012.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 e5 4. dxe5 Nh5 5. g3 Nc6 6. f4 d6 7. exd6 Bxd6 8. Bg2 Be6 9. Qc2 Bc5 10. Nf3 0-0 11. a3 Nf6 12. Nc3 Bxc4 13. Na4 Bxe2 14. Kxe2 Re8+ 15. Kf1 Nd4 16. Nxd4 Bxd4 17. Bf3 Nd5 18. Kg2 Re3 19. Qc4 Bxb2 20. Nxb2 Rxf3 21. Kxf3 b5 22. Qc5 Nc3 23. Re1 Qf6 24. Be3 Rd8 25. Rac1 Nd5 26. Bd4 Qf5 27. Qc2 Qh5+ 28. Kg2 Qg4 29. Be3 h5 30. Qe2 Qf5 31. Bxa7 h4 32. Nd3 g5 33. Qe4 h3+ 34. Kg1 Qg4 35. Ne5 Qh5 36. Qf5 f6 37. Qg6+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2012.06.19"]
[Round "6"]
[White "Kubbenga, Michael"]
[Black "Oosthout, Wouter"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1896"]
[BlackElo "1857"]
[PlyCount "53"]
[EventDate "2012.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 c5 4. d5 e6 5. Bxc4 Nf6 6. Nc3 exd5 7. exd5 Be7 8. Bf4 Bd6 9. Qe2+ Kf8 10. Bxd6+ Qxd6 11. Nb5 Qd8 12. 0-0-0 a6 13. Nc3 b5 14. Bb3 Qe8 15. Qd2 Ra7 16. Re1 Re7 17. Nf3 c4 18. Rxe7 Qxe7 19. Re1 Qd6 20. Bc2 Bb7 21. Qe3 Nbd7 22. Bf5 Nc5 23. Ne5 g6 24. Qh6+ Kg8 25. Ng4 Nfd7 26. Re8+ Nf8 27. Nf6+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2012.06.12"]
[Round "5"]
[White "Noordijk, Ed"]
[Black "Kubbenga, Michael"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1763"]
[BlackElo "1896"]
[PlyCount "31"]
[EventDate "2012.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d3 Bc5 4. Be2 d6 5. h3 Nge7 6. c3 0-0 7. Nbd2 a5 8. a4 Ng6 9. Nc4 h6 10. Qc2 f5 11. exf5 Bxf5 12. g4 Be6 13. d4 Nh4 14. Ncxe5 dxe5 15. Nxh4 Qxh4 16. dxc5 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2012.06.05"]
[Round "4"]
[White "Kubbenga, Michael"]
[Black "Zwinkels, Wim"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1896"]
[BlackElo "1850"]
[PlyCount "36"]
[EventDate "2012.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 Qxb6 7. e4 g6 8. Bc4 Bg7 9. Qe2 Nbd7 10. Nf3 0-0 11. a4 Re8 12. a5 Qc7 13. h3 Bb7 14. 0-0 e6 15. Qd3 exd5 16. exd5 Ne5 17. Nxe5 Rxe5 18. Bf4 Re7 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2012.05.30"]
[Round "3"]
[White "Straver, Robert"]
[Black "Kubbenga, Michael"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2107"]
[BlackElo "1896"]
[PlyCount "109"]
[EventDate "2012.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 0-0 9. 0-0 cxd5 10. Qf3 c6 11. Bg5 h6 12. Bf4 Bd6 13. h3 Bxf4 14. Qxf4 Bd7 15. Na4 Qa5 16. Qd4 Rab8 17. a3 Rfe8 18. Nc5 Re7 19. b4 Qb6 20. Rae1 Rbe8 21. Re3 Bc8 22. Rfe1 Rxe3 23. Rxe3 Rxe3 24. Qxe3 Qc7 25. Nb3 Kf8 26. Qc5+ Ke8 27. Nd4 Bd7 28. b5 Qb6 29. Qxb6 axb6 30. bxc6 Bc8 31. Nb5 Ke7 32. c4 dxc4 33. Bxc4 Ne8 34. Bd5 f6 35. f4 Ba6 36. Nd4 Kd6 37. Bf7 Nc7 38. a4 Bc8 39. Kf2 Kc5 40. Ke3 Nd5+ 41. Bxd5 Kxd5 42. Nb5 Kxc6 43. Na7+ Kc7 44. Nxc8 Kxc8 45. Kd4 g6 46. Kd5 Kd7 47. g4 Ke7 48. Kc6 h5 49. Kxb6 f5 50. gxf5 gxf5 51. a5 Kd6 52. a6 Kd5 53. a7 Ke4 54. a8Q+ Kxf4 55. Qg2 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2012.05.22"]
[Round "2"]
[White "Kubbenga, Michael"]
[Black "De Ruyter, Wim"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1896"]
[BlackElo "1681"]
[PlyCount "57"]
[EventDate "2012.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 g6 7. e3 Bf5 8. Qb3 b6 9. Nf3 Be7 10. Be2 0-0 11. Ne5 Ne4 12. Bh6 Re8 13. Nxe4 Bxe4 14. 0-0 Bg5 15. Bxg5 Qxg5 16. f3 Bf5 17. e4 Qd2 18. Rad1 Qxe2 19. Rfe1 Qb5 20. Qxb5 cxb5 21. exf5 gxf5 22. Rc1 f6 23. Nd3 Rxe1+ 24. Nxe1 Na6 25. Nd3 Re8 26. Kf2 Re7 27. Rc8+ Kg7 28. Nf4 Rc7 29. Ne6+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2012.05.15"]
[Round "1"]
[White "Van Wissen, Michiel"]
[Black "Kubbenga, Michael"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2242"]
[BlackElo "1896"]
[PlyCount "63"]
[EventDate "2012.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. h3 d6 9. c3 Bd7 10. d4 Qc8 11. Nbd2 Re8 12. Nf1 h6 13. Ng3 Bf8 14. Nh4 Nd8 15. Qf3 Nh7 16. Nhf5 Be6 17. Bc2 f6 18. h4 c5 19. dxc5 dxc5 20. Ne3 Ra7 21. Nd5 Bg4 22. Qe3 Nc6 23. f3 Be6 24. Nf5 Qd8 25. g4 Rd7 26. a4 Bxd5 27. exd5 Rxd5 28. Qe4 Qd7 29. Ne3 Nd4 30. cxd4 exd4 31. Qxh7+ Kf7 32. Bg6+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2011.06.28"]
[Round "7"]
[White "Kubbenga, Michael"]
[Black "Hordijk, Frank"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1906"]
[BlackElo "1597"]
[PlyCount "57"]
[EventDate "2011.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. d5 f5 4. g3 Nf6 5. Bg2 Be7 6. Nc3 0-0 7. e3 Na6 8. Nge2 Qe8 9. Rb1 e4 10. b4 c5 11. a3 Nc7 12. bxc5 Nd7 13. cxd6 Bxd6 14. 0-0 Ne5 15. Qc2 a6 16. Nd4 Qh5 17. f4 Nd3 18. Rd1 Rf6 19. Rxd3 exd3 20. Qxd3 b5 21. cxb5 axb5 22. Ndxb5 Ba6 23. Qd2 Nxb5 24. Nxb5 Bxb5 25. Rxb5 Bxa3 26. Bxa3 Rxa3 27. d6 Ra1+ 28. Kf2 Qxh2 29. Qd5+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2011.06.21"]
[Round "6"]
[White "Weiland, Harro"]
[Black "Kubbenga, Michael"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1865"]
[BlackElo "1906"]
[PlyCount "35"]
[EventDate "2011.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 c5 5. Bxb4 cxb4 6. a3 bxa3 7. Rxa3 0-0 8. e3 d5 9. Nc3 Nc6 10. cxd5 exd5 11. Bd3 Re8 12. 0-0 Bg4 13. Qb3 Bxf3 14. gxf3 Re6 15. Bf5 Re7 16. Rfa1 g6 17. Bh3 Rb8 18. f4 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2011.06.15"]
[Round "5"]
[White "Kubbenga, Michael"]
[Black "Van Vliet, Jeffrey"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1906"]
[BlackElo "2288"]
[PlyCount "72"]
[EventDate "2011.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5 Bf5 6. g3 h6 7. Bg2 e6 8. 0-0 Nbd7 9. Bf4 g5 10. Be5 Nxe5 11. Nxe5 Qc7 12. Nd3 Bg7 13. e3 0-0 14. Ne5 Nd7 15. f4 Nxe5 16. fxe5 f6 17. exf6 Bxf6 18. Kh1 Qg7 19. Qb3 Kh8 20. Rae1 Bg6 21. Qd1 e5 22. dxe5 Bxe5 23. Qd2 Rfe8 24. Nd1 Re7 25. b4 Rae8 26. a4 Bf6 27. b5 axb5 28. axb5 g4 29. bxc6 bxc6 30. Qb4 h5 31. Qf4 Re6 32. h3 gxh3 33. Bxh3 Be5 34. Qh4 Be4+ 35. Kh2 Rg8 36. Qxh5+ Rh6 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2011.06.07"]
[Round "4"]
[White "Zeevaarder, Michael"]
[Black "Kubbenga, Michael"]
[Result "0-1"]
[ECO "C58"]
[WhiteElo "1811"]
[BlackElo "1906"]
[PlyCount "54"]
[EventDate "2011.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 h6 9. Ne4 Nd5 10. Bd3 Nf4 11. Be2 f5 12. Ng3 Bc5 13. c3 Be6 14. Nxf5 0-0 15. Ng3 Bxf2+ 16. Kd1 Bxg3 17. Qxg3 Nxe2 18. Kxe2 Bc4+ 19. d3 Bxd3+ 20. Qxd3 Rf2+ 21. Ke3 Qf6 22. Qe4 Rf4 23. Qc2 Nc4+ 24. Ke2 Rf2+ 25. Kd1 Rxc2 26. Kxc2 Qf5+ 27. Kb3 Qd3 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2011.06.01"]
[Round "3"]
[White "Kubbenga, Michael"]
[Black "Bon, Peter"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "1906"]
[BlackElo "1582"]
[PlyCount "45"]
[EventDate "2011.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. a4 Qh4+ 10. g3 Qe7 11. Nf3 0-0 12. 0-0 Na6 13. Re1 Nb4 14. Bf1 a6 15. Be3 Re8 16. e5 dxe5 17. d6 Qd8 18. Qb3 b6 19. Bc4 Rf8 20. Ng5 Qf6 21. Nce4 Qf5 22. Nxf7 Rxf7 23. Ng5 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2011.05.17"]
[Round "1"]
[White "Van Haastert, Edwin"]
[Black "Kubbenga, Michael"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2417"]
[BlackElo "1906"]
[PlyCount "51"]
[EventDate "2011.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. Bg5 d6 8. Nc3 Be6 9. Nd5 Na5 10. Nxf6+ gxf6 11. Bxe6 fxe6 12. Bh4 Nc6 13. c3 Qe7 14. d4 exd4 15. cxd4 Bb4+ 16. Kf1 Ba5 17. e5 dxe5 18. dxe5 Qb4 19. Bxf6 Rg8 20. Ng5 Nd4 21. b3 Qc3 22. h4 Qb2 23. Rh3 Ne2 24. Rd3 c5 25. Qxe2 Qxa1+ 26. Rd1 1-0

[Event "Leiden Noteboom Memorial 71st"]
[Site "Leiden"]
[Date "2011.03.05"]
[Round "2"]
[White "Koudinov, Dimitri"]
[Black "Kubbenga, Michael"]
[Result "1-0"]
[ECO "E31"]
[WhiteElo "2035"]
[BlackElo "1982"]
[PlyCount "32"]
[EventDate "2011.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 7. e3 Bxc3+ 8. bxc3 e5 9. Qc2 Qe7 10. Nf3 Bg4 11. Nd2 g5 12. Bg3 Nbd7 13. Bd3 Nb6 14. a4 e4 15. Bxe4 Nxc4 16. Nxc4 Nxe4 1-0

[Event "Leiden LCT op-A 4th"]
[Site "Leiden"]
[Date "2010.07.15"]
[Round "6"]
[White "Tsai, Wong"]
[Black "Kubbenga, Michael"]
[Result "0-1"]
[ECO "C78"]
[BlackElo "2014"]
[PlyCount "62"]
[EventDate "2010.07.09"]
[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 Bc5 7. c3 0-0 8. d4 Bb6 9. Re1 d6 10. h3 Bb7 11. d5 Ne7 12. Nbd2 Nd7 13. Nf1 f5 14. Ne3 fxe4 15. Ng5 Nc5 16. Bc2 Qe8 17. Nxe4 Ng6 18. Ng5 h6 19. b4 Na4 20. Ne6 Qf7 21. Nxf8 Rxf8 22. Rf1 Nf4 23. Bxa4 bxa4 24. c4 Bd4 25. Rb1 Qg6 26. Qg4 Qxb1 27. g3 Bc8 28. Qh4 Nxh3+ 29. Kg2 Ng5 30. Rh1 Qe4+ 31. Qxe4 Nxe4 0-1

[Event "Leiden LCT op-A 4th"]
[Site "Leiden"]
[Date "2010.07.09"]
[Round "1"]
[White "Kubbenga, Michael"]
[Black "Wunnink, Michael"]
[Result "0-1"]
[ECO "E37"]
[WhiteElo "2014"]
[BlackElo "2286"]
[PlyCount "46"]
[EventDate "2010.07.09"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. cxd5 exd5 9. e3 Nc6 10. Nf3 Bf5 11. Qa4 0-0 12. dxc5 Nxc5 13. Qb5 Qd6 14. Nd4 Bd7 15. Nxc6 bxc6 16. Qb4 Rfe8 17. Be2 Rab8 18. Qc3 d4 19. exd4 Nb3 20. Be3 Nxa1 21. b4 a5 22. Qxa1 axb4 23. axb4 Qxb4+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2010.06.29"]
[Round "7"]
[White "Kors, Hans"]
[Black "Kubbenga, Michael"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "1852"]
[BlackElo "1945"]
[PlyCount "109"]
[EventDate "2010.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Ng4 9. Ne4 f5 10. Ng3 e4 11. Be2 Nf6 12. d3 Bc5 13. 0-0 0-0 14. Nc3 Qe7 15. Bg5 h6 16. Bxf6 Qxf6 17. dxe4 f4 18. Nf5 Qg5 19. Bf3 Ba6 20. h4 Qf6 21. Be2 Rad8 22. Qc1 Bxe2 23. Nxe2 f3 24. Neg3 Nc4 25. Rd1 Nxb2 26. Rxd8 Rxd8 27. Qe1 Nc4 28. Rd1 Ne5 29. Rxd8+ Qxd8 30. Qc3 Qd1+ 31. Nf1 fxg2 32. Kxg2 Qg4+ 33. N1g3 Nd7 34. f3 Qg6 35. Qc4+ Qf7 36. Qc3 Qg6 37. Qxc5 Nxc5 38. Ne7+ Kf7 39. Nxg6 Kxg6 40. Nf5 Kf6 41. Nd4 Kf7 42. Nxc6 a6 43. Kf2 Kf6 44. Ke3 g5 45. hxg5+ Kxg5 46. f4+ Kf6 47. e5+ Ke6 48. Nd4+ Kf7 49. f5 h5 50. Nf3 Na4 51. Ng5+ Kf8 52. Kd4 h4 53. f6 Nb6 54. e6 Nc8 55. Nh7+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2010.06.22"]
[Round "6"]
[White "Kubbenga, Michael"]
[Black "Wantola, Ivo"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "1945"]
[BlackElo "2333"]
[PlyCount "72"]
[EventDate "2010.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. e4 d6 6. Bd3 Nc6 7. Nf3 e5 8. 0-0 Bg4 9. d5 Ne7 10. Nh4 Bc5 11. h3 Bd7 12. Nf5 Nh5 13. Ne2 Nxf5 14. exf5 Qh4 15. Be3 Nf4 16. Nxf4 exf4 17. Bxc5 dxc5 18. Kh2 Qf6 19. Rfe1 Rae8 20. Rad1 h6 21. Qb1 b6 22. b3 a5 23. Rxe8 Rxe8 24. Re1 Re7 25. Rxe7 Qxe7 26. Qd1 Qe5 27. Qe2 Qxe2 28. Bxe2 Bxf5 29. Bd1 Kf8 30. g3 g5 31. g4 Bd3 32. h4 a4 33. hxg5 hxg5 34. f3 b5 35. a3 b4 36. axb4 a3 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2010.06.15"]
[Round "5"]
[White "Van der Maat, Niek"]
[Black "Kubbenga, Michael"]
[Result "0-1"]
[ECO "E38"]
[WhiteElo "1935"]
[BlackElo "1945"]
[PlyCount "94"]
[EventDate "2010.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 0-0 5. Bg5 c5 6. Qc2 d5 7. e3 Nbd7 8. Bd3 Qa5 9. 0-0 dxc4 10. Bxc4 cxd4 11. exd4 Bxc3 12. bxc3 Qc7 13. Bb3 b6 14. Rfe1 Bb7 15. Qd3 Rfc8 16. Rac1 h6 17. Bh4 Nh5 18. Bc2 Nf8 19. Bb1 f5 20. h3 Qf4 21. Be7 Be4 22. Qe3 Ng6 23. Ba3 Bd5 24. Nd2 Qh4 25. Nf3 Qf6 26. Ne5 Ngf4 27. f3 Qg5 28. g4 Nxh3+ 29. Kh2 N5f4 30. c4 Qh4 31. Ng6 Nxg6 32. cxd5 Ngf4 33. Rxc8+ Rxc8 34. Rc1 Nf2+ 35. Kg1 Qg3+ 36. Kf1 Qg2+ 37. Ke1 Qg1+ 38. Kd2 Rxc1 39. Bxc1 Qd1+ 40. Kc3 Ne2+ 41. Kb2 Qxd4+ 42. Qxd4 Nxd4 43. Kc3 Ne2+ 44. Kd2 Nxc1 45. d6 Kf8 46. gxf5 exf5 47. Ke3 Nfd3 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2010.06.08"]
[Round "4"]
[White "Kubbenga, Michael"]
[Black "De Mooij, Marco"]
[Result "1/2-1/2"]
[ECO "D97"]
[WhiteElo "1945"]
[BlackElo "1852"]
[PlyCount "148"]
[EventDate "2010.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 Nc6 8. Be2 Nd7 9. e5 Nb6 10. Qc5 Be6 11. Be3 Nd5 12. Nxd5 Qxd5 13. Qc3 Rac8 14. 0-0 a5 15. Ng5 Nd8 16. Nxe6 Nxe6 17. Bc4 Qd7 18. Bxe6 Qxe6 19. Qxa5 Rfd8 20. Rac1 Rd5 21. Qb4 b6 22. h3 c5 23. dxc5 bxc5 24. Rxc5 Rdxc5 25. Bxc5 Qxe5 26. Bxe7 Rb8 27. Qa3 Qxb2 28. Qxb2 Rxb2 29. Rd1 Be5 30. a3 f6 31. g3 Kf7 32. Bb4 Ke6 33. Kg2 Ra2 34. Kf3 Rb2 35. Rd3 h5 36. Kg2 Kf5 37. Bc3 Ra2 38. Bxe5 Kxe5 39. Kf3 Ra1 40. Rb3 Ra2 41. Rb5+ Ke6 42. Ra5 Kd6 43. h4 Ke6 44. Ra8 Kf5 45. a4 Ra3+ 46. Kg2 Kg4 47. Ra6 Kf5 48. a5 Ra2 49. Ra8 Ra3 50. a6 Ra2 51. a7 Ra3 52. f3 Ra2+ 53. Kf1 Ra3 54. Ke2 Ra2+ 55. Kd3 Ra3+ 56. Kd4 Ra4+ 57. Kc5 Ra1 58. Kd6 Rd1+ 59. Kc7 Rc1+ 60. Kb6 Rb1+ 61. Kc7 Rc1+ 62. Kd7 Rd1+ 63. Ke7 Re1+ 64. Kf7 Ra1 65. g4+ hxg4 66. fxg4+ Kxg4 67. h5 gxh5 68. Rg8+ Kf4 69. a8Q Rxa8 70. Rxa8 f5 71. Ra4+ Kg3 72. Kf6 f4 73. Kg5 f3 74. Kxh5 f2 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2010.06.01"]
[Round "3"]
[White "Oosterom, Erik"]
[Black "Kubbenga, Michael"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2038"]
[BlackElo "1945"]
[PlyCount "56"]
[EventDate "2010.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. a3 Bxd2+ 7. Bxd2 Ne4 8. Bf4 0-0 9. h3 Bd7 10. Qc2 Be8 11. e3 f5 12. Bd3 a5 13. Ne5 a4 14. cxd5 exd5 15. Nxc6 Bxc6 16. f3 Nd6 17. g4 Nc4 18. gxf5 Qh4+ 19. Kf1 Bb5 20. Qf2 Nxe3+ 21. Qxe3 Bxd3+ 22. Kg1 Bxf5 23. Bxc7 Ra6 24. Be5 Rg6+ 25. Kf1 Be4 26. Ke2 Rxf3 27. Qxf3 Bxf3+ 28. Kxf3 Qe4+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2009.06.30"]
[Round "7"]
[White "Schenkelaars, Vincent"]
[Black "Kubbenga, Michael"]
[Result "0-1"]
[ECO "E27"]
[WhiteElo "1718"]
[BlackElo "1855"]
[PlyCount "127"]
[EventDate "2009.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 0-0 5. a3 Bxc3+ 6. bxc3 Ne8 7. e4 b6 8. Bd3 Ba6 9. Qe2 Nc6 10. a4 Na5 11. Ba3 d6 12. Nh3 c5 13. d5 e5 14. 0-0 Bc8 15. Nf2 g6 16. Bc1 Nb3 17. Bh6 Nxa1 18. Bxf8 Kxf8 19. Rxa1 Ng7 20. Qe3 g5 21. g4 a5 22. Kg2 Qf6 23. Rh1 Qf4 24. Qe2 h5 25. Bc2 Qf6 26. Nh3 Qg6 27. Rb1 Rb8 28. Bd1 f6 29. Nf2 Ke7 30. Bc2 Bd7 31. h3 Kd8 32. Qd2 Kc7 33. Bd1 Kb7 34. Qb2 Ka7 35. Qe2 Qh7 36. Bc2 Rh8 37. Rh1 Qg6 38. Qd1 Qe8 39. Nd3 Qg6 40. Nf2 Ne8 41. Qb1 Nc7 42. Qb2 Na6 43. Rb1 Rb8 44. Rh1 Rb7 45. Rb1 Nb8 46. Rh1 Be8 47. Nd1 Nd7 48. Ne3 Qg7 49. Nf5 Qf8 50. Qc1 Bg6 51. h4 hxg4 52. fxg4 Bxf5 53. gxf5 gxh4 54. Rxh4 Qg8+ 55. Kf3 Nf8 56. Qh1 Rh7 57. Rxh7+ Nxh7 58. Qh5 Ng5+ 59. Ke3 Qf8 60. Bd1 Kb7 61. Be2 Kc7 62. Qg6 Kd7 63. Bh5 Ke7 64. Kd3 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2009.05.26"]
[Round "2"]
[White "Oosterom, Erik"]
[Black "Kubbenga, Michael"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2091"]
[BlackElo "1855"]
[PlyCount "66"]
[EventDate "2009.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 e5 7. Be3 Nc6 8. d5 Ne7 9. Nd2 Ne8 10. 0-0 f5 11. f3 f4 12. Bf2 g5 13. c5 Ng6 14. Nc4 a6 15. Na4 dxc5 16. Nxc5 Qf6 17. Rc1 Rf7 18. Qb3 Bf8 19. Ne6 Kh8 20. Rfd1 h5 21. Na5 Bh6 22. Rc3 Kh7 23. Rdc1 g4 24. Nxc7 Nxc7 25. Rxc7 g3 26. Rxc8 gxf2+ 27. Kf1 Rxc8 28. Rxc8 Qh4 29. Qb6 Qxh2 30. Qxf2 Bg5 31. Qg1 Qg3 32. Qf2 Qh2 33. Qg1 Qg3 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2009.05.19"]
[Round "1"]
[White "Kubbenga, Michael"]
[Black "Van Ketel, Raoul"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "1855"]
[BlackElo "2244"]
[PlyCount "88"]
[EventDate "2009.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 Bb7 8. e3 d6 9. Ne2 Nbd7 10. b4 Qe7 11. Qb3 a5 12. Rc1 axb4 13. axb4 h6 14. Bh4 Rfe8 15. Nc3 Nf8 16. f3 e5 17. d5 g5 18. Bf2 e4 19. Be2 Bc8 20. Nxe4 Nxe4 21. fxe4 Qxe4 22. 0-0 Bf5 23. c5 bxc5 24. bxc5 Reb8 25. Qc4 Rb2 26. Qxe4 Bxe4 27. Bf3 Bf5 28. h3 Raa2 29. e4 Bd7 30. Bd4 Rd2 31. Rfd1 Ng6 32. c6 Bc8 33. Rxd2 Rxd2 34. Bc3 Ra2 35. Ra1 Rxa1+ 36. Bxa1 Kf8 37. Bc3 Ke7 38. Bg7 f6 39. Bxh6 Ne5 40. Bh5 Ba6 41. Kf2 Nd3+ 42. Ke3 Nf4 43. Bf3 Kf7 44. h4 Kg6 1/2-1/2

[Event "Leiden LCT op 2nd"]
[Site "Leiden"]
[Date "2008.07.11"]
[Round "1"]
[White "Kubbenga, Michael"]
[Black "Giri, Anish"]
[Result "0-1"]
[ECO "E84"]
[WhiteElo "2041"]
[BlackElo "2430"]
[PlyCount "50"]
[EventDate "2008.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. g4 b5 10. Ng3 e5 11. Nce2 exd4 12. Bxd4 Nxd4 13. Nxd4 Bd7 14. cxb5 axb5 15. Be2 c5 16. Nc2 Bc6 17. 0-0-0 Ra8 18. Qxd6 Qa5 19. Qxc5 Qxa2 20. Rd3 Nd7 21. Qb4 Bh6+ 22. Ne3 Rfc8 23. Kd2 Ne5 24. Ra3 Rxa3 25. Qxa3 Rd8+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.07.01"]
[Round "7"]
[White "Kubbenga, Michael"]
[Black "Van 't Hof, Eric"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1936"]
[BlackElo "2041"]
[PlyCount "123"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bg4 4. Nf3 e6 5. c3 Bd6 6. Bxd6 Qxd6 7. Qb3 Nbd7 8. Nbd2 0-0 9. h3 Bh5 10. Be2 c5 11. Qa3 a6 12. c4 b5 13. dxc5 Nxc5 14. b4 Nce4 15. c5 Qc7 16. Qb2 Rfe8 17. Nb3 Nxf2 18. Kxf2 Ne4+ 19. Kg1 Qg3 20. Rf1 e5 21. Qc1 Re6 22. Qe1 Rg6 23. Qxg3 Nxg3 24. Kf2 Nxe2 25. Kxe2 Rxg2+ 26. Rf2 Rg3 27. Kd2 Bxf3 28. Rhf1 Rg2 29. h4 Kf8 30. Kc3 Rxf2 31. Rxf2 Bg4 32. Na5 f6 33. Rd2 Be6 34. a4 bxa4 35. Kb2 Rd8 36. Ka3 d4 37. Nc6 Rc8 38. exd4 Rxc6 39. d5 Bxd5 40. Rxd5 Ke7 41. Kxa4 e4 42. b5 axb5+ 43. Kxb5 Rc8 44. Kb6 Rb8+ 45. Kc7 Rb5 46. Kc6 Rb4 47. Rd7+ Ke6 48. Rxg7 e3 49. Rg8 Re4 50. Rg1 f5 51. Kb5 f4 52. c6 Kf6 53. c7 Re8 54. Rg4 Kf5 55. Rg5+ Ke4 56. Rg7 Rc8 57. Kc4 h5 58. Re7+ Kf3 59. Kd3 Kf2 60. Rf7 f3 61. Ke4 Re8+ 62. Kf4 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.06.24"]
[Round "6"]
[White "Kubbenga, Michael"]
[Black "Aalbers, Klaas"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "1936"]
[BlackElo "1882"]
[PlyCount "35"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 f5 5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8. Qc2 0-0 9. Bd3 Ne4 10. g4 Nxf2 11. Qxf2 fxg4 12. Qh4 Rxf3 13. Bxh7+ Kf8 14. Qxg4 Rf6 15. 0-0-0 Na6 16. Rhg1 Qe7 17. Bg6 e5 18. Qh5 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.06.17"]
[Round "5"]
[White "Van Kempen, Roderick"]
[Black "Kubbenga, Michael"]
[Result "0-1"]
[ECO "C58"]
[WhiteElo "1926"]
[BlackElo "1936"]
[PlyCount "122"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Bb7 9. Bd3 h6 10. Ne4 Nd5 11. a3 Nf4 12. 0-0 Nxd3 13. cxd3 Nb3 14. Ra2 Be7 15. Qg3 Bf6 16. Nbc3 0-0 17. Re1 Re8 18. a4 Bh4 19. Qf3 Nd4 20. Qd1 Bc8 21. b4 Be6 22. Rb2 f5 23. Nc5 Bf7 24. Rb1 Qg5 25. Re3 Bh5 26. f3 f4 27. N3e4 fxe3 28. dxe3 Qg6 29. exd4 exd4 30. Kh1 Qf7 31. Bd2 Rad8 32. b5 cxb5 33. axb5 Qd5 34. Qa4 Re7 35. Na6 Rb7 36. Ba5 Rc8 37. Bd2 Be8 38. Nb4 Qxb5 39. Qxb5 Bxb5 40. Nd6 Bxd3 41. Ra1 Rxb4 42. Bxb4 Rc2 43. Ne4 Bxe4 44. fxe4 d3 45. Rd1 Bg5 46. Kg1 Be3+ 47. Kf1 Rf2+ 48. Ke1 d2+ 49. Bxd2 Rxd2 50. Rxd2 Bxd2+ 51. Kxd2 Kf7 52. h4 Ke6 53. g4 Ke5 54. Ke3 a5 55. g5 h5 56. Kd3 a4 57. Kc3 Kxe4 58. Kb4 Kf4 59. Kxa4 Kg4 60. Kb4 Kxh4 61. Kc3 Kg3 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.06.10"]
[Round "4"]
[White "Kubbenga, Michael"]
[Black "Van Gunsteren, Lex"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "1936"]
[BlackElo "1642"]
[PlyCount "61"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nh3 Bb4+ 5. c3 Ba5 6. 0-0 0-0 7. a4 c6 8. b4 Bc7 9. c4 d5 10. c5 e5 11. Bb2 Nbd7 12. dxe5 Bxe5 13. Bxe5 Nxe5 14. Nf4 Qe7 15. Nd3 Bd7 16. Nd2 a5 17. Nxe5 Qxe5 18. Rb1 axb4 19. Rxb4 Qc3 20. Rxb7 Qxc5 21. Qb3 Qa5 22. Rb4 Kh8 23. Qb2 c5 24. Rb6 Qxa4 25. Nb3 Qa7 26. Nxc5 Rab8 27. Nxd7 Nxd7 28. Rb5 Nf6 29. Rxb8 Rxb8 30. Qe5 Qd7 31. Qxb8+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.06.03"]
[Round "3"]
[White "Oosthout, Wouter"]
[Black "Kubbenga, Michael"]
[Result "1-0"]
[ECO "C59"]
[WhiteElo "1858"]
[BlackElo "1936"]
[PlyCount "79"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bc5 11. f4 Qd4 12. Rf1 Bb6 13. c3 Qd6 14. Qa4 0-0 15. b4 Nb7 16. Qxc6 Qe7 17. Ba3 Be6 18. Ba6 Bd5 19. Qb5 e3 20. Qe2 Nd7 21. Bc4 Bxc4 22. Nxc4 exd2+ 23. Nbxd2 Qf6 24. Ne4 Qe6 25. f5 Qc6 26. b5 Qxb5 27. Bxf8 Kxf8 28. Nxb6 Qxb6 29. Rd1 Qc6 30. Rd4 Re8 31. Rf3 Nd6 32. Rxd6 Qxe4 33. Qxe4 Rxe4+ 34. Kf2 Ne5 35. Rg3 Rf4+ 36. Ke2 Rxf5 37. Ra6 g5 38. Rxa7 h5 39. Ra5 f6 40. Rf3 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.05.27"]
[Round "2"]
[White "Kubbenga, Michael"]
[Black "Fritschy, Frits"]
[Result "0-1"]
[ECO "D97"]
[WhiteElo "1936"]
[BlackElo "2100"]
[PlyCount "141"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 b5 8. Qb3 c5 9. e5 Ng4 10. Qd5 Qxd5 11. Nxd5 Nc6 12. Bxb5 Nxd4 13. Nxe7+ Kh8 14. Nxd4 cxd4 15. Nxc8 Rfxc8 16. Bd7 Rxc1+ 17. Rxc1 Nxe5 18. Rc8+ Rxc8 19. Bxc8 Nd3+ 20. Ke2 Nxb2 21. Ba6 Na4 22. Rc1 Nc3+ 23. Kd3 Be5 24. Re1 f6 25. f4 Bxf4 26. Kxd4 Nxa2 27. Re8+ Kg7 28. Re7+ Kh6 29. g3 Nb4 30. Bb5 Be5+ 31. Kc4 Nc2 32. Rxa7 Nd4 33. Bd7 Nf3 34. Ra2 Bxg3 35. hxg3 Ne5+ 36. Kd5 Nxd7 37. Ke6 Ne5 38. Kd5 Nd3 39. Rh2+ Kg7 40. Ke4 Ne5 41. Ra2 Kh6 42. Kf4 Nf7 43. Rh2+ Kg7 44. g4 Nd6 45. Re2 g5+ 46. Kg3 Kg6 47. Re6 Nf7 48. Ra6 Ne5 49. Ra8 h5 50. gxh5+ Kxh5 51. Rf8 Kg6 52. Re8 Kf7 53. Ra8 f5 54. Ra7+ Kg6 55. Ra6+ Kg7 56. Ra7+ Nf7 57. Ra5 Kf6 58. Ra6+ Ke7 59. Ra7+ Ke6 60. Ra6+ Nd6 61. Rb6 Ke5 62. Ra6 Ne4+ 63. Kf3 g4+ 64. Ke3 f4+ 65. Ke2 Nc5 66. Rg6 Kf5 67. Rc6 Ne6 68. Rc4 Ke5 69. Rc8 g3 70. Re8 Kf5 71. Rd8 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.05.20"]
[Round "1"]
[White "Siero, Paul"]
[Black "Kubbenga, Michael"]
[Result "0-1"]
[ECO "C82"]
[WhiteElo "1210"]
[BlackElo "1936"]
[PlyCount "38"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 0-0 11. Nxe4 dxe4 12. Qxd8 Raxd8 13. Be3 Bxe3 14. Ne1 Bb6 15. Kh1 Nxe5 16. f4 Ng4 17. Bc2 Bc4 18. Nd3 exd3 19. Bd1 d2 0-1

[Event "Leiden Noteboom Memorial 68th"]
[Site "Leiden"]
[Date "2008.02.03"]
[Round "5"]
[White "Kubbenga, Michael"]
[Black "De Roode, Martijn"]
[Result "1-0"]
[ECO "E83"]
[WhiteElo "2041"]
[PlyCount "53"]
[EventDate "2008.02.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 122 Extra"]
[Source "ChessBase"]
[SourceDate "2008.03.04"]
[SourceVersion "1"]
[SourceVersionDate "2008.03.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Qd2 a6 8. 0-0-0 b5 9. g4 e5 10. Nge2 Na5 11. Ng3 exd4 12. Bxd4 Be6 13. g5 Ne8 14. Bxg7 Nxg7 15. Nd5 Bxd5 16. cxd5 c5 17. h4 Nc4 18. Bxc4 bxc4 19. Qc3 Qe7 20. f4 Qd7 21. f5 Rfe8 22. h5 Re5 23. Rdf1 Qd8 24. f6 Ne8 25. hxg6 hxg6 26. Nf5 Nxf6 27. Nh6+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.26"]
[Round "7"]
[White "Kubbenga, Michael"]
[Black "Van der Hoeven, Peter"]
[Result "1-0"]
[ECO "E85"]
[WhiteElo "1917"]
[BlackElo "1647"]
[PlyCount "83"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 e5 8. d5 Ne7 9. Qd2 Ne8 10. g4 f5 11. g5 f4 12. Bf2 Bh8 13. 0-0-0 Ng7 14. Kb1 Nh5 15. c5 Bd7 16. Nc1 Nc8 17. Rg1 dxc5 18. Bxc5 Nd6 19. Nb3 a5 20. a4 Rf7 21. Qc2 Qe8 22. Nd2 b6 23. Bxd6 cxd6 24. Bb5 Rc8 25. Qb3 Qd8 26. Nc4 Qc7 27. Rc1 Bg7 28. Bxd7 Rxd7 29. Nb5 Qb8 30. Ncxd6 Rc5 31. Rxc5 bxc5 32. Nc4 Ra7 33. Qc3 Ra6 34. b3 Kf7 35. Nxa5 Bf8 36. Nc6 Qb6 37. Qxe5 c4 38. Qc7+ Ke8 39. Qxb6 Rxb6 40. bxc4 Bc5 41. Rg2 Kd7 42. Kc2 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.19"]
[Round "6"]
[White "Van der Maat, Niek"]
[Black "Kubbenga, Michael"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "1749"]
[BlackElo "1917"]
[PlyCount "53"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 a6 4. c4 d5 5. Nc3 c6 6. a4 a5 7. Be2 Nbd7 8. 0-0 Bd6 9. e4 Nxe4 10. Nxe4 dxe4 11. Ng5 Nf6 12. Qc2 0-0 13. Nxe4 Nxe4 14. Qxe4 f5 15. Qd3 e5 16. c5 Bc7 17. Qb3+ Kh8 18. dxe5 Bxe5 19. Rd1 Qf6 20. f4 Bd4+ 21. Be3 Bxe3+ 22. Qxe3 Be6 23. Qd4 Qxd4+ 24. Rxd4 Rad8 25. Rad1 Rxd4 26. Rxd4 Kg8 27. Kf2 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.12"]
[Round "5"]
[White "Kubbenga, Michael"]
[Black "Bakker, Joop"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "1917"]
[BlackElo "1927"]
[PlyCount "83"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. d3 Bb4 4. a3 Bxc3+ 5. bxc3 0-0 6. e4 d6 7. Be2 Nc6 8. f4 exf4 9. Bxf4 Ne5 10. Nf3 Ng6 11. Qd2 Nxf4 12. Qxf4 Nh5 13. Qh4 Qxh4+ 14. Nxh4 Nf4 15. g3 Nxe2 16. Kxe2 f5 17. exf5 Bxf5 18. Nxf5 Rxf5 19. Rhf1 Re8+ 20. Kd2 Rfe5 21. Rf2 Rf8 22. Rxf8+ Kxf8 23. Rb1 b6 24. Rb5 Re6 25. Rh5 h6 26. Rf5+ Ke7 27. Rf2 Re5 28. d4 Ra5 29. Re2+ Kd8 30. Rf2 Rxa3 31. Kd3 Ra5 32. h4 Rh5 33. Rf8+ Ke7 34. Rc8 Kd7 35. Rf8 g5 36. Rf5 Ke6 37. Ke4 a5 38. d5+ Ke7 39. Kd3 Kd7 40. Kc2 Kc8 41. Kb3 Kb8 42. Ka4 1/2-1/2

[Event "Utrecht OKU op"]
[Site "Utrecht"]
[Date "2007.06.10"]
[Round "5.28"]
[White "Ouwens, Bert"]
[Black "Kubbenga, Michael"]
[Result "1-0"]
[ECO "C81"]
[PlyCount "42"]
[EventDate "2007.06.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Bc5 10. Be3 Qe7 11. a4 Bxe3 12. Qxe3 0-0 13. Rd1 Rad8 14. axb5 axb5 15. Nc3 Nxc3 16. Qxc3 Qd7 17. Qc5 d4 18. Bxe6 Qxe6 19. Ra6 d3 20. c4 Rd6 21. exd6 cxd6 1-0

[Event "Utrecht OKU op"]
[Site "Utrecht"]
[Date "2007.06.09"]
[Round "3.41"]
[White "Kubbenga, Michael"]
[Black "Enserink, Henk"]
[Result "1-0"]
[ECO "A57"]
[BlackElo "1920"]
[PlyCount "47"]
[EventDate "2007.06.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 e6 6. Nc3 Bb7 7. e4 Qxb6 8. Bc4 Nxe4 9. Nxe4 Qb4+ 10. Nd2 exd5 11. a3 Qa5 12. Qf3 Be7 13. Bxd5 Nc6 14. Qxf7+ Kd8 15. Qxg7 Kc7 16. Qc3 Qb5 17. a4 Qb6 18. Nc4 Qa7 19. Bf4+ d6 20. Ne2 Rae8 21. 0-0-0 Nb4 22. Nxd6 Bxd6 23. Bxd6+ Kd8 24. Bxc5 1-0

[Event "Utrecht OKU op"]
[Site "Utrecht"]
[Date "2007.06.08"]
[Round "1.20"]
[White "Kubbenga, Michael"]
[Black "Rosmuller, Anton J"]
[Result "0-1"]
[ECO "A67"]
[BlackElo "2124"]
[PlyCount "46"]
[EventDate "2007.06.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 Nf6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. a4 Qh4+ 10. g3 Qe7 11. Nf3 0-0 12. 0-0 Na6 13. e5 Nb4 14. Re1 dxe5 15. d6 Qe6 16. fxe5 a6 17. Bf1 Nxe5 18. Bf4 Nxf3+ 19. Qxf3 Qf5 20. Red1 Bd4+ 21. Kg2 Bd7 22. Bc4 Bc6 23. Nd5 Nxd5 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.05"]
[Round "4"]
[White "Van der Marel, Eric J"]
[Black "Kubbenga, Michael"]
[Result "1/2-1/2"]
[ECO "E24"]
[WhiteElo "1976"]
[BlackElo "1917"]
[PlyCount "103"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 b6 7. e3 0-0 8. Nh3 Nbd7 9. Nf2 Bb7 10. Qc2 c5 11. Bd3 Rc8 12. cxd5 cxd4 13. exd4 Bxd5 14. 0-0 Qc7 15. Bd2 Bc4 16. Rfe1 Bxd3 17. Nxd3 Nd5 18. Rac1 Rfe8 19. Qa4 Qc4 20. Qxc4 Rxc4 21. Nb2 Rcc8 22. c4 Ne7 23. Bc3 Nf5 24. g4 Nd6 25. Bb4 Nb7 26. Bc3 Nd6 27. Bb4 Nb7 28. Nd3 Nb8 29. Kf2 Nc6 30. d5 Nxb4 31. axb4 exd5 32. Rxe8+ Rxe8 33. cxd5 Kf8 34. Ra1 a5 35. bxa5 Nxa5 36. Rc1 Rd8 37. Nb4 Ke7 38. h4 Kd7 39. Nd3 Kd6 40. Nf4 Re8 41. Nh5 Kxd5 42. Rc7 Kd6 43. Rxf7 g6 44. Ng3 Re7 45. Ne4+ Kd7 46. Nf6+ Ke6 47. Rxe7+ Kxe7 48. Nxh7 b5 49. Ke3 b4 50. Kd4 b3 51. Kc3 Ke6 52. f4 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.05.29"]
[Round "3"]
[White "Kubbenga, Michael"]
[Black "Faydi, Jonathan J"]
[Result "0-1"]
[ECO "E85"]
[WhiteElo "1917"]
[BlackElo "1993"]
[PlyCount "60"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 g6 2. c4 d6 3. Nc3 Bg7 4. e4 e5 5. Nge2 Nc6 6. Be3 Nf6 7. f3 0-0 8. Qd2 Nh5 9. d5 Ne7 10. g4 Nf4 11. Nxf4 exf4 12. Bxf4 f5 13. gxf5 gxf5 14. Bh6 Ng6 15. Bxg7 Qh4+ 16. Qf2 Qxf2+ 17. Kxf2 Kxg7 18. Ke3 Ne5 19. Be2 f4+ 20. Kf2 Bd7 21. b4 b6 22. Rhc1 Kf6 23. Bf1 Rf7 24. a4 a5 25. Nb5 axb4 26. Nxc7 Rxa4 27. Rxa4 Bxa4 28. Ra1 Bc2 29. Nb5 b3 30. Na3 Ra7 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.05.22"]
[Round "2"]
[White "Kuipers, Joris"]
[Black "Kubbenga, Michael"]
[Result "0-1"]
[ECO "E36"]
[WhiteElo "1562"]
[BlackElo "1917"]
[PlyCount "64"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 0-0 7. Bg5 h6 8. Bh4 b6 9. Nf3 Bb7 10. e3 Re8 11. Rc1 g5 12. Bg3 Ne4 13. Qc2 c5 14. cxd5 exd5 15. Bxb8 Rxb8 16. Bb5 Re6 17. dxc5 bxc5 18. 0-0 Qb6 19. Be2 Bc6 20. Rb1 Qa5 21. Rfd1 Ba4 22. b3 Bc6 23. Ra1 Qc3 24. Qxc3 Nxc3 25. Rd2 Rxb3 26. Bf1 Ne4 27. Rc2 Ba4 28. Nd2 Rbb6 29. Rca2 Nc3 30. Rc1 Nxa2 31. Rxc5 Rec6 32. Rxd5 Rd6 0-1

