[Event "Leiden SB-chB"]
[Site "Leiden"]
[Date "2014.06.24"]
[Round "7"]
[White "Kuipers, Joris"]
[Black "Kuiper, Chiel"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1635"]
[BlackElo "1372"]
[PlyCount "77"]
[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. Nf3 d6 2. d4 Nf6 3. c4 Nbd7 4. Bf4 c6 5. Nc3 Qc7 6. c5 e5 7. cxd6 Bxd6 8. dxe5 Nxe5 9. Nxe5 Bxe5 10. Bxe5 Qxe5 11. e3 Bf5 12. Qb3 Qc7 13. Be2 0-0 14. a4 Be6 15. Qb4 Nd5 16. Qa3 Rad8 17. 0-0 Rd7 18. Ne4 b6 19. b4 h6 20. Rac1 f5 21. Ng3 f4 22. exf4 Nxf4 23. Bb5 Bd5 24. Bxc6 Bxc6 25. b5 Qe5 26. Rxc6 Rd3 27. Qa2+ Kh8 28. Qc4 Rd4 29. Qc2 Qd5 30. f3 Re8 31. Ne4 Rd8 32. Rc7 Rd1 33. Rxd1 Qxd1+ 34. Qxd1 Rxd1+ 35. Kf2 a5 36. bxa6 Ra1 37. a7 Rxa4 38. Rc8+ Kh7 39. a8Q 1-0

[Event "Leiden SB-chB"]
[Site "Leiden"]
[Date "2014.06.17"]
[Round "6"]
[White "Van den Biggelaar, Don"]
[Black "Kuipers, Joris"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1560"]
[BlackElo "1635"]
[PlyCount "71"]
[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 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Nc6 6. a3 bxa3 7. c3 Bd7 8. Bd3 f5 9. Nxa3 Nge7 10. Bg5 a6 11. 0-0 b5 12. Bxb5 Nxe5 13. Nxe5 Bxb5 14. Nxb5 axb5 15. Qh5+ g6 16. Nxg6 hxg6 17. Qxh8 Ra4 18. Bh6 Kf7 19. Qxf8+ Qxf8 20. Bxf8 Kxf8 21. Rxa4 bxa4 22. Ra1 Nc8 23. Rxa4 Nd6 24. Ra6 Ke7 25. Ra7+ Kf6 26. Rc7 g5 27. Kf1 e5 28. dxe5+ Kxe5 29. Ke2 Nc4 30. Rc6 Nd6 31. f4+ gxf4 32. Rxd6 Kxd6 33. h4 Ke5 34. Kf3 Ke6 35. Kxf4 Kf6 36. h5 1-0

[Event "Leiden SB-chB"]
[Site "Leiden"]
[Date "2014.06.10"]
[Round "5"]
[White "Kuipers, Joris"]
[Black "Hordijk, Frank"]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "1635"]
[BlackElo "1477"]
[PlyCount "23"]
[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 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. g3 e6 7. Bg2 Bb4 8. 0-0 Nbd7 9. Nd2 Nb6 10. a5 Nbd5 11. Nxd5 cxd5 12. Qa4+ 1-0

[Event "Leiden SB-chB"]
[Site "Leiden"]
[Date "2014.06.03"]
[Round "4"]
[White "Kuipers, Joris"]
[Black "Telkamp, Harry"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1635"]
[BlackElo "1735"]
[PlyCount "73"]
[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. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. c4 d6 6. Nc3 Nbd7 7. Be2 c5 8. d5 Nh5 9. Bg5 h6 10. Bh4 Nhf6 11. 0-0 a6 12. h3 b6 13. Bg3 Bb7 14. e4 Nh7 15. Qd2 f6 16. Nh4 Qe8 17. f4 f5 18. exf5 gxf5 19. Bd3 Bd4+ 20. Kh1 b5 21. Bxf5 bxc4 22. Qe2 Nhf6 23. Qe6+ Qf7 24. Qe2 Nxd5 25. Be6 Ne3 26. Bxf7+ Rxf7 27. Bf2 Nxf1 28. Rxf1 e5 29. Qg4+ Rg7 30. Qe6+ Kh8 31. Qxh6+ Kg8 32. Qe6+ Kh7 33. Qf5+ Kg8 34. Ne4 Rf8 35. Qe6+ Kh7 36. Ng5+ Rxg5 37. fxg5 1-0

[Event "Leiden SB-chB"]
[Site "Leiden"]
[Date "2014.05.20"]
[Round "2"]
[White "Schenkelaars, Vincent"]
[Black "Kuipers, Joris"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "1777"]
[BlackElo "1635"]
[PlyCount "63"]
[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. f3 d5 5. e3 0-0 6. a3 Bxc3+ 7. bxc3 b6 8. Bd3 Nbd7 9. Ne2 Bb7 10. 0-0 Re8 11. Ng3 c6 12. Qc2 e5 13. e4 Qc7 14. Be3 Rac8 15. Rac1 Ba6 16. cxd5 Bxd3 17. Qxd3 cxd5 18. Rfd1 Qc4 19. Qb1 Qa4 20. Qa2 Rxc3 21. dxe5 Nxe5 22. Qd2 Rd3 23. Qe2 Rxd1+ 24. Rxd1 Nc4 25. Bd4 Nd7 26. Qd3 Nde5 27. Qe2 Nc6 28. Ba1 Qxa3 29. Nf5 Qa4 30. Nxg7 Ne3 31. Rc1 d4 32. Nxe8 1-0

[Event "Leiden SB-chB"]
[Site "Leiden"]
[Date "2014.05.13"]
[Round "1"]
[White "Wagemans, Ed"]
[Black "Kuipers, Joris"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "1866"]
[BlackElo "1635"]
[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 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Bb5 Be7 8. 0-0 0-0 9. a4 cxd4 10. cxd4 f6 11. exf6 Nxf6 12. Bxc6 bxc6 13. Qc2 Bd7 14. Ne5 Rc8 15. Nb3 c5 16. dxc5 Qc7 17. Bf4 Ne4 18. Ng6 Rxf4 19. Nxe7+ Kf7 20. Nxc8 Bxc8 21. f3 Nf6 22. Qd2 e5 23. g3 Rf5 24. Qa5 Qb7 25. Qb5 Qc7 26. c6 Be6 27. Nc5 Ne8 28. Nxe6 Kxe6 29. a5 Nd6 30. Qa4 Nc4 31. Rf2 Qd6 32. b3 Ne3 33. Rc1 Rf7 34. Re2 Rxf3 35. Rxe3 Rxe3 36. c7 Re1+ 37. Rxe1 Qxc7 38. Qe8+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.07.02"]
[Round "7"]
[White "Kuipers, Joris"]
[Black "Van der Maat, Niek"]
[Result "0-1"]
[ECO "A40"]
[BlackElo "1949"]
[PlyCount "104"]
[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. e4 c5 4. d5 e5 5. Be3 d6 6. Bd3 Nd7 7. Nc3 Ne7 8. Nge2 0-0 9. Qd2 a6 10. 0-0-0 b5 11. cxb5 axb5 12. Bxb5 Qa5 13. Bh6 Rb8 14. Bxg7 Kxg7 15. h4 Rxb5 16. Nxb5 Qxb5 17. h5 Ng8 18. hxg6 fxg6 19. f4 exf4 20. Nxf4 Ne5 21. Ne6+ Bxe6 22. dxe6 Qc4+ 23. Qc3 Qxe6 24. Qh3 Qxh3 25. Rxh3 Rd8 26. a4 Nf6 27. Re3 Rd7 28. Kc2 Nc6 29. Kc3 Ng4 30. Red3 Nd4 31. Rxd4 cxd4+ 32. Rxd4 h5 33. b4 Ne5 34. b5 g5 35. a5 h4 36. a6 g4 37. b6 Nc6 38. Rc4 Na7 39. b7 Rd8 40. Rc7+ Kg6 41. Kb4 h3 42. gxh3 gxh3 43. Rc3 Rh8 44. Rxh3 Rxh3 45. b8Q Nc6+ 46. Ka4 Nxb8 47. a7 Rh1 48. Kb5 Ra1 49. Kb6 Rxa7 50. Kxa7 Nd7 51. Kb7 Kf6 52. Kc6 Ke6 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.06.25"]
[Round "6"]
[White "Uittenbogaard, Rob"]
[Black "Kuipers, Joris"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1616"]
[PlyCount "98"]
[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 c5 3. d5 b5 4. b3 g6 5. Bb2 Bg7 6. Qc2 bxc4 7. bxc4 d6 8. e4 Nbd7 9. Nd2 0-0 10. Ngf3 Rb8 11. Rb1 Qa5 12. Bd3 Qxa2 13. 0-0 Nxe4 14. Bxg7 Qxc2 15. Bxc2 Nxd2 16. Rxb8 Kxg7 17. Nxd2 Nxb8 18. Re1 e5 19. h3 f5 20. f4 e4 21. Re3 Rf7 22. Ra3 Na6 23. Ba4 Nb4 24. Nf1 Re7 25. Ne3 Nd3 26. g3 Rb7 27. Bd1 Nb4 28. h4 h5 29. Kf1 a6 30. Be2 Ra7 31. Ra5 Kf7 32. Kf2 Ke7 33. Ke1 Kd8 34. Kd2 Kc7 35. Kc3 Kb6 36. Ra1 a5 37. Bd1 Bd7 38. Rb1 Kc7 39. Bb3 a4 40. Ra1 Kb6 41. Bd1 a3 42. Be2 a2 43. Kb2 Ba4 44. Nxf5 gxf5 45. Bxh5 Nd3+ 46. Kc3 Bd7 47. Be2 Ra3+ 48. Kd2 Nb4 49. h5 Rxg3 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.06.18"]
[Round "5"]
[White "Kuipers, Joris"]
[Black "Vreugdenhil, Frans"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "2035"]
[PlyCount "62"]
[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 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 c5 5. Nbd2 Nc6 6. c3 Bd6 7. Ne5 Qc7 8. Ndf3 Nh5 9. dxc5 Bxe5 10. Nxe5 Nxf4 11. Nxc6 Nxg2+ 12. Bxg2 Qxc6 13. Qd4 0-0 14. c4 Qa6 15. cxd5 exd5 16. Bxd5 Bh3 17. Rg1 g6 18. Rg3 Be6 19. e4 Rad8 20. Ra3 Qb5 21. Rb3 Qa5+ 22. Rc3 Bxd5 23. exd5 Rfe8+ 24. Kf1 Qb5+ 25. Rd3 Re5 26. Qxe5 Qxd3+ 27. Kg1 Rxd5 28. Qb8+ Kg7 29. Qxb7 Qe4 30. c6 Rg5+ 31. Kf1 Qd3+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.06.11"]
[Round "4"]
[White "Verheijen, Jan"]
[Black "Kuipers, Joris"]
[Result "1/2-1/2"]
[ECO "E90"]
[PlyCount "52"]
[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 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. d4 d6 5. e4 0-0 6. Bg5 c5 7. e5 dxe5 8. dxe5 Qxd1+ 9. Rxd1 Nfd7 10. Bxe7 Re8 11. Bd6 Nxe5 12. Nxe5 Bxe5 13. Bxe5 Rxe5+ 14. Be2 Nc6 15. 0-0 Nd4 16. Bd3 Bf5 17. Bxf5 gxf5 18. f4 Ne2+ 19. Nxe2 Rxe2 20. Rf2 Rae8 21. Rd7 R8e7 22. Rd5 Re1+ 23. Rf1 b6 24. b3 R1e2 25. Rf2 Re1+ 26. Rf1 R1e2 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.06.04"]
[Round "3"]
[White "Kuipers, Joris"]
[Black "Polak, Alexander"]
[Result "0-1"]
[ECO "D15"]
[PlyCount "33"]
[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 c6 2. c4 d5 3. Nf3 Nf6 4. Nc3 a6 5. Bf4 b5 6. c5 Nh5 7. Bxb8 Rxb8 8. e4 Nf6 9. Ne5 Bb7 10. exd5 Nxd5 11. Qh5 g6 12. Qf3 f6 13. Nd3 e6 14. g3 Be7 15. h4 Nxc3 16. bxc3 Qd5 17. Nf4 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.05.28"]
[Round "2"]
[White "Bingen, Stanley"]
[Black "Kuipers, Joris"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "60"]
[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 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. Nc3 Ne7 6. Bd3 Nbc6 7. Be3 0-0 8. Qd2 a6 9. Ng5 Bf5 10. Bxf5 Nxf5 11. Nxd5 Nxe3 12. Nxh7 Nxg2+ 13. Kd1 Kxh7 14. Rg1 Nh4 15. Qd3+ Kg8 16. Kd2 Nxd4 17. Qxd4 Nf3+ 18. Kd3 Nxd4 19. Kxd4 Bxh2 20. Rg2 Qh4+ 21. f4 c6 22. Rh1 Rad8 23. Rgxh2 Rxd5+ 24. Kc3 Qg3+ 25. Kb4 Qxf4+ 26. c4 Rb5+ 27. Kc3 Qe5+ 28. Kc2 Rxb2+ 29. Kc1 Qc3+ 30. Kd1 Rd8+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.05.21"]
[Round "1"]
[White "Kuipers, Joris"]
[Black "Oei, Hway Ik"]
[Result "0-1"]
[ECO "E12"]
[BlackElo "2093"]
[PlyCount "50"]
[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 b6 4. a3 Ba6 5. e3 c5 6. Nc3 Nc6 7. Bd3 Na5 8. Qe2 Nb3 9. Rb1 cxd4 10. exd4 Nxc1 11. Rxc1 Be7 12. 0-0 0-0 13. Rfe1 d5 14. cxd5 Bxd3 15. Qxd3 Nxd5 16. Nxd5 Qxd5 17. Re5 Qb7 18. Ng5 Bxg5 19. Rxg5 Rfd8 20. Qg3 g6 21. Qf4 Rac8 22. Rxc8 Qxc8 23. Qd2 Qc4 24. Rg4 e5 25. Qc3 Qe2 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2011.06.28"]
[Round "7"]
[White "Kors, Hans"]
[Black "Kuipers, Joris"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1893"]
[BlackElo "1604"]
[PlyCount "55"]
[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 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. a3 bxa3 6. d4 Nc6 7. c3 Bd7 8. Bd3 Be7 9. 0-0 Nh6 10. Nxa3 0-0 11. c4 f6 12. cxd5 exd5 13. Qb3 Nb4 14. Bxh6 gxh6 15. exf6 Rxf6 16. Ne5 Bf5 17. Bxf5 Rxf5 18. Qh3 Qf8 19. Nb5 a6 20. Nc7 Rc8 21. Rac1 Nc6 22. Nxd5 Bd6 23. Ne3 Rxe5 24. dxe5 Bxe5 25. Qe6+ Kh8 26. Rxc6 Rxc6 27. Qxe5+ Kg8 28. Nf5 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2011.06.21"]
[Round "6"]
[White "Kuipers, Joris"]
[Black "Van den Bosse, Bart"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1604"]
[BlackElo "1802"]
[PlyCount "40"]
[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 d5 2. Nc3 dxe4 3. Nxe4 Qd5 4. Ng3 Nf6 5. Be2 c6 6. Bf3 Qa5 7. N1e2 g6 8. 0-0 Bg7 9. Nc3 Be6 10. d3 0-0 11. Bd2 Qc7 12. Nge2 Qc8 13. Re1 Re8 14. Rb1 Bg4 15. Ng3 Bxf3 16. Qxf3 Nbd7 17. Bf4 e6 18. Nge4 Bf8 19. Bd6 Nxe4 20. Nxe4 f5 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2011.06.15"]
[Round "5"]
[White "Kuiper, Machiel"]
[Black "Kuipers, Joris"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1263"]
[BlackElo "1604"]
[PlyCount "60"]
[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 c5 3. d5 b5 4. b3 g6 5. Nd2 Bg7 6. a3 Nxd5 7. cxd5 Bxa1 8. e4 a6 9. Ndf3 Bc3+ 10. Bd2 Qa5 11. Bxc3 Qxc3+ 12. Nd2 d6 13. Ne2 Qa5 14. Qa1 Nd7 15. Qxh8+ Nf8 16. Qb2 e6 17. g3 exd5 18. exd5 Bf5 19. Nf4 0-0-0 20. Be2 g5 21. b4 Qb6 22. 0-0 gxf4 23. gxf4 c4 24. a4 Nd7 25. axb5 axb5 26. Bf3 Bh3 27. Ra1 Rg8+ 28. Kh1 Qxf2 29. Qc1 Bg2+ 30. Bxg2 Qxg2# 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2011.06.07"]
[Round "4"]
[White "Kuipers, Joris"]
[Black "Bloothoofd, Gerrie"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "1604"]
[BlackElo "1921"]
[PlyCount "66"]
[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 d5 4. Bg5 Nbd7 5. Nf3 c6 6. e3 Bd6 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 a6 10. 0-0 Qb6 11. e4 e5 12. Ne2 Bb7 13. Bxf6 gxf6 14. Qd2 0-0-0 15. b4 exd4 16. Nexd4 Ne5 17. Rfd1 Nxd3 18. Qxd3 Bxb4 19. Qb3 c5 20. Qc2 Kb8 21. Nf5 Qe6 22. Ng3 c4 23. a4 Bc5 24. axb5 axb5 25. Nd2 Rd3 26. Rdb1 Rhd8 27. Ngf1 Qe5 28. Nxc4 bxc4 29. Qxc4 Qd4 30. Qa2 Ra3 31. Rxb7+ Kxb7 32. Qxf7+ Rd7 33. Rb1+ Ka7 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2011.06.01"]
[Round "3"]
[White "Van der Maat, Niek"]
[Black "Kuipers, Joris"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "1926"]
[BlackElo "1604"]
[PlyCount "47"]
[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 e6 2. c4 Nf6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 0-0 6. Bd3 b6 7. 0-0 Bb7 8. a3 Be7 9. Ne5 Nbd7 10. cxd5 exd5 11. Ndf3 Bd6 12. b4 c5 13. bxc5 bxc5 14. Rb1 Qc7 15. Nxd7 Qxd7 16. dxc5 Bxc5 17. Bb2 Be7 18. Qb3 Rab8 19. Bd4 Bc6 20. Qxb8 Rxb8 21. Rxb8+ Ne8 22. Ne5 Qc7 23. Nxc6 Qxc6 24. Bb5 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2011.05.24"]
[Round "2"]
[White "Zeevaarder, Michael"]
[Black "Kuipers, Joris"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1811"]
[BlackElo "1604"]
[PlyCount "52"]
[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 e6 2. e4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. Na3 Nf5 8. Nc2 Be7 9. Ne3 Nxe3 10. Bxe3 cxd4 11. cxd4 0-0 12. 0-0 f6 13. Bb5 Nxe5 14. dxe5 Bxb5 15. Re1 fxe5 16. Nxe5 Bb4 17. Bd2 Bxd2 18. Qxd2 Rc8 19. Qb4 Qb6 20. a4 Qxf2+ 21. Kh1 Rc2 22. Qg4 Bf1 23. Qxe6+ Kh8 24. Ng6+ hxg6 25. Qh3+ Kg8 26. Qe6+ Rf7 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2011.05.17"]
[Round "1"]
[White "Kuipers, Joris"]
[Black "Leeuwenburgh, Evert"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1604"]
[BlackElo "1981"]
[PlyCount "90"]
[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. Nf3 Nf6 3. Bf4 e6 4. e3 Nbd7 5. Nbd2 c6 6. h3 b6 7. Bd3 Bb7 8. 0-0 Be7 9. Re1 c5 10. c3 Rc8 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe4 Bxe4 14. Rxe4 0-0 15. Qa4 Nf6 16. Re2 Nd5 17. Bg3 cxd4 18. cxd4 a5 19. a3 Qe8 20. Qb3 Qc6 21. Ne5 Qb7 22. Nc4 Qa6 23. Rc2 a4 24. Qd3 Rc6 25. Rac1 Rfc8 26. Ne5 Qxd3 27. Rxc6 Rxc6 28. Nxd3 Rxc1+ 29. Nxc1 b5 30. Nd3 Nb6 31. Bf4 Nc4 32. Bc1 Bf6 33. Be3 Kf8 34. Kf1 Ke7 35. Ke1 Kd6 36. Ke2 Nxe3 37. fxe3 Kd5 38. Kd2 Kc4 39. Kc2 Kd5 40. Nb4+ Ke4 41. Kd2 Bg5 42. Nc2 f5 43. Ke2 Be7 44. Nb4 Bxb4 45. axb4 f4 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2010.06.22"]
[Round "6"]
[White "Kuipers, Joris"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1566"]
[BlackElo "2229"]
[PlyCount "40"]
[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 e6 2. e4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Ne2 Qb6 9. Rb1 f6 10. c3 cxd4 11. cxd4 fxe5 12. fxe5 Ndxe5 13. Nxe5 Nxe5 14. Nc3 0-0 15. a3 Bh4+ 16. g3 Nf3+ 17. Kf2 Nd2+ 18. Kg2 Nxb1 19. Qxb1 e5 20. Nxd5 Qc6 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2010.06.15"]
[Round "5"]
[White "Bingen, Stanley"]
[Black "Kuipers, Joris"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1245"]
[BlackElo "1566"]
[PlyCount "54"]
[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 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. Be3 Nc6 7. a3 a6 8. Be2 cxd4 9. Bxd4 Nxd4 10. Qxd4 Bc5 11. Qd3 Qc7 12. b4 Ba7 13. 0-0 Nxe5 14. Qd2 Bd7 15. b5 Nxf3+ 16. Bxf3 Rc8 17. Ne2 Qxc2 18. Qxc2 Rxc2 19. bxa6 bxa6 20. Rab1 Bb5 21. Rfe1 0-0 22. Kf1 Rfc8 23. h4 d4 24. Red1 d3 25. Nf4 d2+ 26. Be2 Rc1 27. Rb2 Rxd1# 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2010.06.08"]
[Round "4"]
[White "Kuipers, Joris"]
[Black "Oosterom, Erik"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1566"]
[BlackElo "2038"]
[PlyCount "47"]
[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. Bf4 c5 3. e3 cxd4 4. exd4 d5 5. Nd2 Nc6 6. c3 Bf5 7. Ngf3 e6 8. Qb3 Qc8 9. Ne5 Nxe5 10. Bxe5 Nd7 11. Bb5 a6 12. Bxd7+ Qxd7 13. 0-0 f6 14. Bg3 Be7 15. Rfe1 Kf7 16. Nf3 g5 17. Re5 h5 18. Nxg5+ fxg5 19. f3 h4 20. Bf2 Qb5 21. Rxf5+ exf5 22. Qc2 Qd7 23. Re1 Bf6 24. g4 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2009.06.30"]
[Round "7"]
[White "De Wit, Jerome"]
[Black "Kuipers, Joris"]
[Result "1-0"]
[ECO "B19"]
[BlackElo "1561"]
[PlyCount "81"]
[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. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bd2 e6 12. 0-0-0 Qc7 13. Qe2 0-0-0 14. Ne5 Nxe5 15. dxe5 Nd7 16. f4 Kb8 17. Ne4 Nc5 18. Nxc5 Bxc5 19. Be3 Bxe3+ 20. Qxe3 Rxd1+ 21. Rxd1 Rd8 22. Rxd8+ Qxd8 23. Qd2 Kc8 24. Qxd8+ Kxd8 25. c4 c5 26. g4 Ke7 27. Kd2 f6 28. exf6+ Kxf6 29. Ke3 g5 30. hxg6 Kxg6 31. Ke4 Kf6 32. g5+ hxg5 33. fxg5+ Kg6 34. Ke5 Kxg5 35. Kxe6 Kf4 36. Kd5 b6 37. Kc6 Ke4 38. Kb7 Kd4 39. b3 a5 40. Kxb6 a4 41. Kb5 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2009.06.09"]
[Round "4"]
[White "Kuipers, Joris"]
[Black "Aalders, Peter"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1561"]
[BlackElo "1804"]
[PlyCount "58"]
[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 d5 2. Bf4 Nf6 3. e3 c5 4. Nd2 Nc6 5. c3 Qb6 6. Qb3 c4 7. Qc2 g6 8. e4 dxe4 9. Nxe4 Nxe4 10. Qxe4 Qxb2 11. Rc1 Bf5 12. Qe2 Qa3 13. Qxc4 Rc8 14. Bd3 Bxd3 15. Qxd3 Bg7 16. Qb1 0-0 17. Ne2 e5 18. dxe5 Nxe5 19. 0-0 Qa6 20. Nd4 Nd3 21. Be3 Nxc1 22. Rxc1 Rfd8 23. Nb5 b6 24. Nxa7 Rxc3 25. Rxc3 Bxc3 26. g3 Qxa7 27. Bxb6 Qb7 28. Qc2 Qxb6 29. Qxc3 Qb1+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2009.06.02"]
[Round "3"]
[White "Schenkelaars, Vincent"]
[Black "Kuipers, Joris"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "1718"]
[BlackElo "1561"]
[PlyCount "39"]
[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 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Bf4 Nf6 6. e3 Bd6 7. Bb5+ Nc6 8. Bg5 Be6 9. Nf3 a6 10. Bxc6+ bxc6 11. e4 dxe4 12. Bxf6 Qxf6 13. Nxe4 Qe7 14. Nxd6+ Qxd6 15. h3 Bc4 16. Qc1 Qe6+ 17. Qe3 cxd4 18. Qxe6+ Bxe6 19. Nxd4 Bd5 20. 0-0 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.07.01"]
[Round "7"]
[White "Kuipers, Joris"]
[Black "Spaans, Coenraad"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1508"]
[BlackElo "1975"]
[PlyCount "54"]
[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 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Nf6 6. Nf3 b5 7. cxb5 Qa5 8. Nd2 Nfd7 9. Qc2 0-0 10. Be2 a6 11. b6 Qxb6 12. 0-0 a5 13. Nc4 Qb7 14. Na4 Na6 15. a3 Nc7 16. Bd2 Nb5 17. Nxa5 Nd4 18. Qc4 Rxa5 19. Bxa5 Ne5 20. Qa6 Qxa6 21. Bxa6 Bxa6 22. Bc3 Ne2+ 23. Kh1 Nxc3 24. Nxc3 Bxf1 25. Rxf1 Nd3 26. f3 Nxb2 27. Nb5 Rb8 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.06.24"]
[Round "6"]
[White "Laan, Kart"]
[Black "Kuipers, Joris"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1541"]
[BlackElo "1508"]
[PlyCount "84"]
[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 e6 3. Nc3 d5 4. Bf4 Bd6 5. Bg3 Nh5 6. Bxd6 cxd6 7. e4 Nf6 8. cxd5 exd5 9. exd5 0-0 10. Bb5 Nbd7 11. Nge2 Nb6 12. 0-0 Nbxd5 13. Bc4 Be6 14. Qb3 Nxc3 15. Nxc3 Bxc4 16. Qxc4 d5 17. Qb3 Qb6 18. Qxb6 axb6 19. Rfe1 Rfe8 20. f3 Rac8 21. Kf2 Kf8 22. Rxe8+ Rxe8 23. Re1 Rxe1 24. Kxe1 Ke7 25. Kd2 Kd6 26. Kd3 Ne8 27. Nd1 h5 28. Nf2 Nf6 29. Nh3 Nh7 30. Ng1 g5 31. Ke3 Nf8 32. g4 hxg4 33. fxg4 Ng6 34. Ne2 Nh4 35. Kf2 Ke6 36. Ng3 f5 37. gxf5+ Nxf5 38. Nxf5 Kxf5 39. Kf3 b5 40. a3 Ke6 41. Kg4 Kf6 42. h3 Kg6 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.06.17"]
[Round "5"]
[White "Kuipers, Joris"]
[Black "Van den Bosse, Bart"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1508"]
[BlackElo "1696"]
[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 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Be7 5. Bd3 Nbd7 6. Nbd2 c5 7. c3 c4 8. Bc2 b5 9. h3 b4 10. 0-0 Qb6 11. Ne5 Nxe5 12. Bxe5 Bd6 13. Bxd6 Qxd6 14. e4 Qb6 15. e5 Nd7 16. Qh5 bxc3 17. bxc3 Qb2 18. Rfc1 Qxc3 19. Nf3 g6 20. Qh6 Qa3 21. Qd2 Bb7 22. Bd1 Bc6 23. Rc3 Qb4 24. a3 Qe7 25. a4 Rb8 26. Qc1 Qb4 27. Nd2 Qb2 28. Bf3 Qxc1+ 29. Rcxc1 Bb7 30. Rab1 0-0 31. Nxc4 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.06.10"]
[Round "4"]
[White "Volders, Wessel"]
[Black "Kuipers, Joris"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "1820"]
[BlackElo "1508"]
[PlyCount "40"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bc4 Qc7 8. 0-0 e6 9. Re1 Bd6 10. Ng5 0-0-0 11. Bd3 Bxd3 12. Qxd3 Ndf6 13. Kh1 h6 14. N5e4 Nxe4 15. Nxe4 Be5 16. c3 Nf6 17. Nxf6 Bxf6 18. Qf3 Bg5 19. g3 Bxc1 20. Raxc1 Rd5 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.06.03"]
[Round "3"]
[White "Kuipers, Joris"]
[Black "Gorter, Yme"]
[Result "0-1"]
[ECO "A86"]
[WhiteElo "1508"]
[BlackElo "2137"]
[PlyCount "50"]
[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. c4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. Nh3 d6 7. 0-0 Qe8 8. d5 h6 9. e4 fxe4 10. Nxe4 Nxe4 11. Bxe4 Bxh3 12. Re1 Nd7 13. Qc2 Bf5 14. g4 Bxe4 15. Qxe4 Ne5 16. f4 Nd7 17. Qe6+ Kh8 18. h4 Nc5 19. Qe3 Qd7 20. Qg3 e5 21. Rb1 exf4 22. Bxf4 Nd3 23. Qxd3 Rxf4 24. Re6 Rxg4+ 25. Kh2 Be5+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.05.27"]
[Round "2"]
[White "Kuipers, Joris"]
[Black "Schenkelaars, Vincent"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "1508"]
[BlackElo "1835"]
[PlyCount "55"]
[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 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Bxc5 Nc6 10. Ba3 a5 11. Rd1 Rxd1+ 12. Kxd1 Nd7 13. Nge2 e6 14. Nb5 Nb4 15. Nec3 Be5 16. b3 Nc5 17. g3 Bd7 18. f4 Bg7 19. e5 f6 20. exf6 Bxf6 21. Bg2 Bc6 22. Rg1 Rd8+ 23. Ke2 Rd3 24. Bxb4 axb4 25. Na4 Rd8 26. Nxc5 Bxb5 27. cxb5 Bd4 28. Rd1 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.05.20"]
[Round "1"]
[White "Wagemans, Ed"]
[Black "Kuipers, Joris"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "1955"]
[BlackElo "1508"]
[PlyCount "93"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Bd3 dxc4 8. Bxc4 Nc6 9. 0-0 0-0 10. Bg5 h6 11. Bh4 Nd5 12. Nxd5 Bxh4 13. Nc3 Bf6 14. Ne2 Qc7 15. Rc1 Qe7 16. Qc2 Rd8 17. Rfd1 Bd7 18. a3 Rac8 19. Qb1 a6 20. b4 b5 21. Bb3 Nb8 22. Ng3 Bc6 23. Ne5 Bd5 24. Bxd5 Rxc1 25. Rxc1 Bxe5 26. dxe5 Rxd5 27. Ne4 Rd8 28. g3 Qd7 29. Qc2 Qd5 30. f4 Qb7 31. Nd6 Qb6+ 32. Qc5 Nd7 33. Qxb6 Nxb6 34. Rc6 Nd5 35. Rxa6 Rd7 36. Nxb5 Nc7 37. Nxc7 Rxc7 38. Ra8+ Kh7 39. b5 Rb7 40. a4 Kg6 41. Kf2 f6 42. exf6 Kxf6 43. Rc8 Ke7 44. Kf3 Kd7 45. Rc2 Ra7 46. Ra2 Kc7 47. a5 1-0

[Event "Leiden LCT op 1st"]
[Site "Leiden"]
[Date "2007.07.15"]
[Round "3"]
[White "De Boer, Pieter"]
[Black "Kuipers, Joris"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "1864"]
[PlyCount "50"]
[EventDate "2007.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Bd3 dxc4 8. Bxc4 Nd5 9. 0-0 Nxc3 10. bxc3 Bxc3 11. Ba3 Bxa1 12. Qxa1 Qf6 13. Qe1 Nd7 14. d5 Nb6 15. Bb5+ Bd7 16. Qa5 Bxb5 17. Qxb5+ Kd8 18. dxe6 Qxe6 19. Rd1+ Kc8 20. Bd6 Qc4 21. Qf5+ Qe6 22. Qc5+ Kd8 23. Qc7+ Ke8 24. Re1 Qxe1+ 25. Nxe1 Nd5 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.26"]
[Round "7"]
[White "Agaian, Jura"]
[Black "Kuipers, Joris"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "1842"]
[BlackElo "1562"]
[PlyCount "120"]
[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. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3 e6 9. Bd3 Bxd3 10. Qxd3 Nf6 11. Bf4 Bb4+ 12. c3 Bd6 13. Bxd6 Qxd6 14. 0-0-0 Nbd7 15. Rhe1 Rd8 16. Nf5 Qf4+ 17. Kb1 0-0 18. Ne7+ Kh8 19. Rxe6 Nc5 20. Rxf6 Nxd3 21. Rxf4 Nxf4 22. g4 Rfe8 23. Nf5 Re2 24. Rf1 Nd3 25. b3 Rde8 26. Nd6 Rb2+ 27. Ka1 Ree2 28. Nc4 Rxa2+ 29. Kb1 Rac2 30. d5 Rxf2 31. Rxf2 Rxf2 32. d6 Nc5 33. Nce5 Ne6 34. Nxf7+ Kg8 35. N7e5 Kf8 36. Kc1 Ke8 37. b4 Rxf3 38. Nxf3 Kd7 39. Kd2 Kxd6 40. Ke3 Kd5 41. Nh4 b6 42. Nf5 a5 43. Ne7+ Kd6 44. Nf5+ Ke5 45. Ne7 a4 46. Kd2 Kf4 47. Nxc6 Kxg4 48. Ne5+ Kxh5 49. b5 Nc5 50. Nc4 Nd7 51. Kc2 g5 52. Kb2 g4 53. Ka3 Kg5 54. Kxa4 g3 55. Nxb6 Nxb6+ 56. Ka5 g2 57. Kxb6 g1Q+ 58. Ka5 Qa1+ 59. Kb4 Qb2+ 60. Kc4 Kf5 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.19"]
[Round "6"]
[White "Kuipers, Joris"]
[Black "Duijnisveld, Arnold"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "1562"]
[BlackElo "1616"]
[PlyCount "89"]
[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 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Be7 6. b3 0-0 7. Bd3 Nbd7 8. 0-0 a6 9. Qc2 g6 10. Bb2 Re8 11. Ne2 Bf8 12. Rfe1 Bg7 13. Ng3 dxc4 14. bxc4 c5 15. Rad1 Qc7 16. Ne5 Nxe5 17. dxe5 Ng4 18. f4 Bd7 19. Qe2 Nh6 20. e4 Rad8 21. h4 Bc8 22. Bc2 Qe7 23. Nf1 Qxh4 24. g3 Qh3 25. Rxd8 Rxd8 26. Rd1 Rf8 27. Rd2 f5 28. exf5 Nxf5 29. Bxf5 Qxf5 30. Ne3 Qb1+ 31. Nd1 Qxa2 32. Nc3 Qa5 33. Ne4 Qc7 34. Qe3 b6 35. Rh2 Bb7 36. Ng5 h6 37. Nxe6 Qc6 38. Nxg7 Kxg7 39. e6+ Kh7 40. e7 Qe8 41. f5 h5 42. fxg6+ Kxg6 43. Qe6+ Kh7 44. Qe5 Bf3 45. Qg7# 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.12"]
[Round "5"]
[White "Van de Peut, Aart A"]
[Black "Kuipers, Joris"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1924"]
[BlackElo "1562"]
[PlyCount "117"]
[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. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Bg6 5. Nh3 e6 6. Nc3 Nd7 7. Nf4 Ne7 8. h4 h6 9. h5 Bh7 10. Bd3 Bxd3 11. Nxd3 Ng8 12. Be3 Be7 13. Qd2 Qa5 14. Ne2 Qxd2+ 15. Kxd2 Rc8 16. f4 c5 17. dxc5 Nxc5 18. Nxc5 Bxc5 19. Bxc5 Rxc5 20. Nd4 Ne7 21. c3 Kd7 22. f5 Nc6 23. Nxc6 Rxc6 24. f6 Rc4 25. g5 gxf6 26. exf6 hxg5 27. Rag1 Rf4 28. Rxg5 Rxf6 29. Ke3 Rfh6 30. Kd4 f6 31. Rg7+ Kc6 32. Rf7 R8h7 33. Rxh7 Rxh7 34. h6 e5+ 35. Ke3 Kd6 36. a4 Ke6 37. b3 f5 38. a5 f4+ 39. Kf3 Kf5 40. Rh5+ Ke6 41. Kg4 Kf6 42. Rf5+ Kg6 43. Rxe5 Rf7 44. Kf3 Kxh6 45. Rxd5 Kg6 46. c4 Rf5 47. Kg4 Rxd5 48. cxd5 Kf6 49. Kxf4 Ke7 50. Ke5 b5 51. a6 Kd7 52. d6 b4 53. Kd5 Kd8 54. Kc6 Kc8 55. Kb5 Kd7 56. Kc5 Kd8 57. Kxb4 Kc8 58. Kc5 Kd7 59. b4 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.05"]
[Round "4"]
[White "Kuipers, Joris"]
[Black "Bingen, Stanley"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1562"]
[BlackElo "1242"]
[PlyCount "97"]
[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 d5 2. c4 dxc4 3. e3 b5 4. a4 Ba6 5. Qf3 Nd7 6. axb5 Bxb5 7. Nc3 c6 8. b3 Nb6 9. Nxb5 cxb5 10. bxc4 bxc4 11. Bxc4 e6 12. Bb5+ Nd7 13. Bxd7+ Kxd7 14. Qb7+ Ke8 15. Qc6+ Ke7 16. Qb7+ Kf6 17. Rxa7 Rxa7 18. Qxa7 Bd6 19. e4 Bb8 20. e5+ Kg6 21. Qa1 Ne7 22. Nf3 h6 23. Qb1+ f5 24. exf6+ Kxf6 25. 0-0 Re8 26. Qe4 Nf5 27. g4 Nd6 28. g5+ Kf7 29. Ne5+ Kg8 30. Qg4 Nf5 31. gxh6 Bxe5 32. dxe5 Kh7 33. Rd1 Qc7 34. hxg7 Nxg7 35. Qe4+ Nf5 36. Bg5 Rg8 37. h4 Rg6 38. Rb1 Rg7 39. Kh2 Rf7 40. Bf6 Kg8 41. Qa8+ Rf8 42. Qg2+ Kh7 43. Rb7 Qxb7 44. Qxb7+ Kg6 45. Qd7 Rxf6 46. exf6 Kxf6 47. Qh7 Ke5 48. h5 Kf4 49. Qf7 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.05.29"]
[Round "3"]
[White "Sahakjan, Hambartsum"]
[Black "Kuipers, Joris"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1850"]
[BlackElo "1562"]
[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. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 e6 6. Nge2 Nc6 7. d4 cxd4 8. exd4 d5 9. Bg5 Qa5 10. Bxf6 Bxf6 11. cxd5 exd5 12. Bxd5 Qb6 13. Qa4 Bd7 14. Qb5 Nxd4 15. Qxb6 axb6 16. Nxd4 Bxd4 17. Bxb7 Bxc3+ 18. bxc3 Ra7 19. Bd5 Ra3 20. c4 0-0 21. 0-0 Rd8 22. Rfb1 Rb8 23. c5 Be6 24. Bxe6 fxe6 25. Rxb6 Rxb6 26. cxb6 Ra8 27. a4 1-0

[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

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.27"]
[Round "7"]
[White "Kuipers, Joris"]
[Black "Faydi, Jonathan J"]
[Result "0-1"]
[ECO "A48"]
[BlackElo "2010"]
[PlyCount "66"]
[EventDate "2006.05.16"]
[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 Nc6 2. Bf4 d6 3. e3 g6 4. Nf3 Bg7 5. c3 Nf6 6. h3 0-0 7. Nbd2 Qe8 8. Be2 e5 9. Bh2 e4 10. Ng1 Nd7 11. Qb1 f5 12. Bc4+ Kh8 13. h4 Nf6 14. Nh3 Ng4 15. Bf4 h6 16. Qc2 Rb8 17. a4 Bf6 18. f3 exf3 19. Nxf3 Nxe3 20. Bxe3 Qxe3+ 21. Qe2 Qxe2+ 22. Kxe2 Re8+ 23. Kf2 Bd7 24. Nf4 Kg7 25. Rh3 Re4 26. Nd5 Ne7 27. Nxf6 Kxf6 28. Bd3 Re6 29. c4 Ng8 30. d5 Re7 31. b4 Kg7 32. Nd4 Nf6 33. Re3 Ng4+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.20"]
[Round "6"]
[White "Kuipers, Joris"]
[Black "Siero, Paul"]
[Result "1-0"]
[ECO "D02"]
[BlackElo "1187"]
[PlyCount "93"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bf4 Nc6 4. h3 e6 5. e3 a6 6. c3 b5 7. Nbd2 Bd6 8. Bxd6 Qxd6 9. Bd3 e5 10. dxe5 Nxe5 11. Nxe5 Qxe5 12. Nf3 Qd6 13. 0-0 0-0 14. Re1 Re8 15. Qc2 Ne4 16. Rad1 Qe7 17. Qe2 f5 18. Bc2 c6 19. Nd4 Bd7 20. f4 c5 21. Nf3 Ng3 22. Qf2 Ne4 23. Qh4 Qxh4 24. Nxh4 Be6 25. Nf3 Rad8 26. Ng5 d4 27. exd4 cxd4 28. Rxd4 Rxd4 29. cxd4 Bd5 30. Bb3 Bxb3 31. axb3 h6 32. Nxe4 Rxe4 33. Rxe4 fxe4 34. Kf2 Kf7 35. Ke3 g6 36. Kxe4 Ke6 37. b4 Kd6 38. g4 Ke6 39. f5+ gxf5+ 40. gxf5+ Kd6 41. f6 Ke6 42. f7 Kxf7 43. Kd5 Ke7 44. Kc6 Ke6 45. d5+ Ke7 46. Kc7 h5 47. d6+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.13"]
[Round "5"]
[White "Kluck, Hans"]
[Black "Kuipers, Joris"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1742"]
[PlyCount "37"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. Nc3 Bf5 5. Qb3 Qb6 6. Na4 Qxb3 7. axb3 Bc2 8. Nb6 Bxb3 9. c5 Nfd7 10. Nxa8 Na6 11. e3 Bc4 12. Bxc4 dxc4 13. Rxa6 bxa6 14. Nc7+ Kd8 15. Nxa6 e6 16. Nd2 c3 17. bxc3 Be7 18. 0-0 f5 19. Nb3 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.06"]
[Round "4"]
[White "Kuipers, Joris"]
[Black "Landsheer, Jos"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1691"]
[PlyCount "116"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 c5 3. c3 Nc6 4. Bf4 Bf5 5. e3 Qb6 6. Qc1 Rc8 7. Be2 cxd4 8. exd4 Nb4 9. Na3 Nf6 10. h3 Be4 11. 0-0 e6 12. Ne5 Bd6 13. Be3 0-0 14. f3 Bg6 15. Nxg6 fxg6 16. Qd1 Nc6 17. Qb3 Qc7 18. f4 a6 19. Bd3 Nh5 20. Qc2 Nxf4 21. Bxf4 Bxf4 22. Rf3 e5 23. g3 e4 24. Rxf4 Rxf4 25. gxf4 exd3 26. Qxd3 Qxf4 27. Rf1 Qg5+ 28. Kh2 Ne7 29. c4 Re8 30. Qf3 Qf5 31. Qg2 Qe4 32. Qxe4 dxe4 33. d5 Nf5 34. Nc2 Kf7 35. Ne3 Kf6 36. Nxf5 gxf5 37. c5 g6 38. Kg3 Ke5 39. d6 Kd5 40. b4 Kc6 41. Re1 g5 42. a4 f4+ 43. Kf2 e3+ 44. Kf3 h5 45. Re2 Rf8 46. Rg2 Rf5 47. Re2 Rd5 48. Re1 Rd4 49. Rg1 Rxb4 50. Rxg5 Rxa4 51. Rxh5 Rd4 52. Rf5 a5 53. h4 a4 54. h5 Re4 55. Ke2 a3 56. Rg5 Re8 57. Rg1 f3+ 58. Kxf3 e2 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.30"]
[Round "3"]
[White "Haasnoot, Jan"]
[Black "Kuipers, Joris"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1624"]
[PlyCount "94"]
[EventDate "2006.05.16"]
[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 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 Qa5+ 6. c3 Qa6 7. Qh3 e6 8. Ne2 Ne7 9. f4 b6 10. Qf3 Nd7 11. 0-0 f5 12. Nd2 Ng6 13. Nb3 c5 14. Be3 c4 15. Nd2 b5 16. a3 Be7 17. g4 Nh4 18. Qg3 Nf8 19. h3 Nfg6 20. Qe1 Qb7 21. Ng3 0-0 22. g5 a5 23. Ne2 Nh8 24. Qxh4 h6 25. Qg3 hxg5 26. fxg5 Ng6 27. Nf4 Nxf4 28. Bxf4 g6 29. h4 Kf7 30. Kf2 b4 31. Rab1 Qd7 32. axb4 axb4 33. Rh1 Rh8 34. Qf3 Rh5 35. Nf1 Qa4 36. Qd1 Qa2 37. Kf3 Qa5 38. Qc2 Rah8 39. Ng3 Rxh4 40. Ra1 Qb6 41. Rxh4 Rxh4 42. Rh1 Rxh1 43. Nxh1 bxc3 44. bxc3 Ba3 45. Bd2 Qb3 46. Qxb3 cxb3 47. c4 b2 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.23"]
[Round "2"]
[White "Kuipers, Joris"]
[Black "Stork, Ornett J"]
[Result "0-1"]
[ECO "A57"]
[BlackElo "2125"]
[PlyCount "42"]
[EventDate "2006.05.16"]
[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 c5 3. d5 b5 4. Nc3 b4 5. Na4 d6 6. b3 g6 7. Qc2 Bf5 8. Qd1 Bg7 9. Bb2 0-0 10. e3 Qa5 11. Bd3 Bd7 12. Bc2 Bxa4 13. bxa4 b3+ 14. Kf1 bxc2 15. Qxc2 Nbd7 16. Nf3 Nb6 17. Nd2 Nxa4 18. Nb3 Qa6 19. Rb1 Nxb2 20. Rxb2 Nxd5 21. Rb1 Nc3 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.16"]
[Round "1"]
[White "Agaian, Jura"]
[Black "Kuipers, Joris"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1871"]
[PlyCount "41"]
[EventDate "2006.05.16"]
[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 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Nc3 Nd7 6. Be3 Qb6 7. Rb1 c5 8. Nh4 Bg6 9. Nxg6 hxg6 10. Bb5 Qc7 11. 0-0 f6 12. Qg4 Kf7 13. Qf3 Ne7 14. g4 g5 15. Bxd7 cxd4 16. Bxe6+ Kxe6 17. Bxd4 Rd8 18. Rbe1 Kd7 19. h3 Kc8 20. exf6 gxf6 21. Bxf6 1-0

