[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2023.05.20"]
[Round "5"]
[White "Karsdorp, Nico"]
[Black "Aden, Tammo"]
[Result "0-1"]
[ECO "A18"]
[WhiteElo "1746"]
[BlackElo "1998"]
[PlyCount "46"]
[EventDate "2023.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Nf6 3. e4 d5 4. e5 Nfd7 5. f4 dxc4 6. Bxc4 Nxe5 7. fxe5 Qh4+ 8. g3 Qxc4 9. d3 Qc6 10. Nf3 Bc5 11. Ne4 Nd7 12. Bd2 Qd5 13. Bc3 b6 14. b4 Be7 15. a4 Bb7 16. 0-0 c5 17. Nd6+ Bxd6 18. exd6 0-0 19. d4 cxb4 20. Bxb4 Rac8 21. Qd2 Rc4 22. a5 Rfc8 23. Rf2 Nf6 0-1

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2023.05.20"]
[Round "4"]
[White "Westerlaan, Sander"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "1960"]
[BlackElo "1746"]
[PlyCount "71"]
[EventDate "2023.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 Nf6 3. c4 e6 4. g3 d5 5. Bg2 c6 6. 0-0 Bd6 7. Bf4 Bxf4 8. gxf4 0-0 9. e3 Bd7 10. Nbd2 Be8 11. Qc2 Ne4 12. Ne5 Nd7 13. Nxd7 Qxd7 14. Nf3 Qe7 15. Ne5 Qh4 16. f3 Nf6 17. c5 Nh5 18. Rf2 Rf6 19. Bf1 Rh6 20. Bd3 Nxf4 21. exf4 Qxf4 22. Qc3 Rh4 23. Bf1 Qxd4 24. Qxd4 Rxd4 25. f4 Bh5 26. Rc1 Rf8 27. a3 Rf6 28. Rc3 Bd1 29. Ba6 bxa6 30. Nxc6 Rc4 31. Rxc4 dxc4 32. Ne5 c3 33. bxc3 Rf8 34. c6 Bb3 35. Rb2 Bd5 36. c7 1-0

[Event "Groningen op-B 57th"]
[Site "Groningen"]
[Date "2019.12.28"]
[Round "7"]
[White "Arnold, Lorin"]
[Black "Karsdorp, Nico"]
[Result "1/2-1/2"]
[ECO "C21"]
[WhiteElo "1647"]
[BlackElo "1812"]
[PlyCount "160"]
[EventDate "2019.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 d3 4. Bxd3 Nc6 5. Be3 Nf6 6. Nf3 d6 7. h3 Be7 8. 0-0 a6 9. Nd4 0-0 10. f4 Re8 11. g4 g6 12. f5 Ne5 13. g5 Nh5 14. fxg6 hxg6 15. h4 Bh3 16. Rf2 Ng4 17. Rf3 Nxe3 18. Rxe3 Nf4 19. Bc4 Qd7 20. Qf3 Qg4+ 21. Kh2 Qxh4 22. Qg3 Qxg5 23. Rf3 Qxg3+ 24. Kxg3 Bg5 25. Rxf4 Bxf4+ 26. Kxf4 c5 27. Nf3 Be6 28. Nbd2 b5 29. Bxe6 Rxe6 30. c4 Kg7 31. a4 b4 32. Nb3 f6 33. Rd1 Rae8 34. Nbd2 Rh8 35. Rg1 Kf7 36. Rf1 Ree8 37. Rg1 Reg8 38. Nf1 g5+ 39. Kg4 Rg7 40. Ne3 Rgh7 41. Nf5 Ke6 42. Rd1 Rd7 43. Kg3 b3 44. Rd3 Rb8 45. Nd2 Rb4 46. Kf3 Rxa4 47. Rxb3 Rb4 48. Rxb4 cxb4 49. b3 Rc7 50. Kg4 Rc5 51. Nf3 Ra5 52. N3d4+ Kd7 53. Nc2 Re5 54. Ng3 a5 55. Kf3 Rc5 56. Nf1 a4 57. Nxb4 axb3 58. Nd2 b2 59. Nd3 Ra5 60. c5 dxc5 61. Nxb2 Ra3+ 62. Kf2 Kc6 63. Nbc4 Rc3 64. e5 fxe5 65. Nxe5+ Kd5 66. Nd7 Ke6 67. Nf8+ Kf5 68. Nd7 Kf4 69. Nf6 Rc2 70. Ke1 g4 71. Nd5+ Kg3 72. Ne3 Rc1+ 73. Ke2 Kh3 74. Nxg4 Kxg4 75. Kd3 Kf4 76. Nb3 c4+ 77. Kd2 Rb1 78. Na5 Rb4 79. Kc3 Ra4 80. Nxc4 Rxc4+ 1/2-1/2

[Event "Groningen op-B 57th"]
[Site "Groningen"]
[Date "2019.12.27"]
[Round "6"]
[White "Karsdorp, Nico"]
[Black "Arnold, Frieda"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1812"]
[BlackElo "1840"]
[PlyCount "128"]
[EventDate "2019.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Nbd7 5. Nf3 Bg7 6. Be2 0-0 7. 0-0 Re8 8. h3 e5 9. d5 a5 10. Ne1 Nc5 11. Bf3 h6 12. Be3 b6 13. Nd3 Nxd3 14. Qxd3 Kh7 15. a4 Ng8 16. g4 Rf8 17. Bg2 Ne7 18. Kh2 Bd7 19. Nb5 Rh8 20. Qd2 Kg8 21. f4 exf4 22. Bxf4 g5 23. Bg3 Ng6 24. Qf2 Bc8 25. Nd4 Be5 26. Nf5 Bxg3+ 27. Nxg3 Nf4 28. Qd4 Qe7 29. Rxf4 gxf4 30. Nh5 Qe5 31. Qxe5 dxe5 32. b3 Kf8 33. Rc1 Ke7 34. Ng7 Bd7 35. Kg1 Rhg8 36. Nf5+ Bxf5 37. exf5 h5 38. Bf3 hxg4 39. Bxg4 Kd6 40. Kf2 Rae8 41. Kf3 Kc5 42. Ke4 Kb4 43. f6 Kxb3 44. Bd7 Rd8 45. Bb5 Rg5 46. Rf1 Rh8 47. Rf3+ Kb4 48. Bd7 Kc5 49. Bf5 Kd6 50. Rc3 Rg3 51. Rxg3 fxg3 52. Kf3 Rh6 53. Kxg3 Rxf6 54. Kg4 Kc5 55. h4 Kxc4 56. h5 Rh6 57. Kg5 Rh8 58. h6 Kxd5 59. h7 e4 60. Kh6 e3 61. Bg4 Kd4 62. Be2 Kc3 63. Kg7 Rxh7+ 64. Kxh7 Kd2 0-1

[Event "Groningen op-B 57th"]
[Site "Groningen"]
[Date "2019.12.21"]
[Round "1"]
[White "Noordenbos, Daan"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "2023"]
[BlackElo "1812"]
[PlyCount "41"]
[EventDate "2019.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Ne4 4. Nge2 Nxc3 5. bxc3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Nf4 e6 9. h4 h5 10. Nxg6 fxg6 11. Bd3 hxg4 12. Qxg4 Kd7 13. Bxg6 c5 14. Rb1 Qc7 15. Bf7 Qxe5+ 16. Kd1 Qf5 17. Qxf5 exf5 18. Bxd5 Nc6 19. Rxb7+ Kd6 20. Bg2 Re8 21. d4 1-0

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2016.05.08"]
[Round "6"]
[White "Karsdorp, Nico"]
[Black "Schippers, Maurice"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1841"]
[BlackElo "2218"]
[PlyCount "84"]
[EventDate "2016.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c5 3. Nc3 g6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bg7 7. Be2 0-0 8. Be3 Nc6 9. 0-0 Nxd4 10. Bxd4 Be6 11. b3 a6 12. Bf3 Qa5 13. Nd5 Bxd5 14. exd5 Nd7 15. Bxg7 Kxg7 16. g3 Ne5 17. Bg2 Qc5 18. Kh1 b5 19. f4 Nd7 20. Rc1 b4 21. Re1 Rfe8 22. Rc2 Nf6 23. Bf3 h5 24. h3 a5 25. Rce2 a4 26. Kg2 axb3 27. axb3 Kf8 28. g4 hxg4 29. hxg4 Ra3 30. g5 Ng8 31. Be4 Rea8 32. Bb1 Qc8 33. Re3 Ra1 34. Qf3 Ke8 35. f5 gxf5 36. Bxf5 Qc5 37. g6 fxg6 38. Bxg6+ Kd7 39. Qf5+ Kc7 40. Be8 Rxe8 41. Rxa1 Qxe3 42. Ra6 Nf6 0-1

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2016.05.07"]
[Round "5"]
[White "Zuiderweg, Edwin"]
[Black "Karsdorp, Nico"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1951"]
[BlackElo "1841"]
[PlyCount "113"]
[EventDate "2016.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c6 2. Bc4 d5 3. Bb3 dxe4 4. Qh5 g6 5. Qh4 Nf6 6. Nc3 Bg7 7. Nxe4 Nxe4 8. Qxe4 Bf5 9. Qh4 Qd4 10. Qxd4 Bxd4 11. Nf3 Bf6 12. d4 Nd7 13. Bh6 e6 14. 0-0-0 Be4 15. Ne1 b5 16. c4 bxc4 17. Bxc4 Bd5 18. Bxd5 cxd5 19. Kb1 Rc8 20. Nf3 Ke7 21. h4 Rc4 22. b3 Rc6 23. Bd2 Rhc8 24. h5 Ke8 25. hxg6 hxg6 26. Rc1 Rxc1+ 27. Rxc1 Rxc1+ 28. Bxc1 Be7 29. Kc2 Bd6 30. Kd3 f6 31. Bb2 e5 32. dxe5 fxe5 33. Ng5 e4+ 34. Ke2 Bf4 35. Ne6 Bd6 36. Bd4 Ke7 37. Ng5 Bf4 38. Nh3 Bd6 39. Bxa7 Ke6 40. Bd4 Kf5 41. g3 Ne5 42. Nf4 Nf3 43. Bb6 d4 44. a4 g5 45. Nd5 Ke5 46. Nc7 Ng1+ 47. Kd1 Nh3 48. Nb5 Nxf2+ 49. Ke2 Nd3 50. Nxd4 Kd5 51. g4 Be5 52. Nf3 Nf4+ 53. Ke3 exf3 54. Kxf3 Ne6 55. Be3 Nd4+ 56. Kf2 Nxb3 57. Bxg5 1/2-1/2

[Event "NED-chT 1314"]
[Site "Netherlands"]
[Date "2014.03.08"]
[Round "6.8"]
[White "Carlier, Bruno"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "A92"]
[WhiteElo "2434"]
[BlackElo "1852"]
[PlyCount "95"]
[EventDate "2013.09.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam"]
[BlackTeam "Groningen"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. Nf3 f5 2. g3 Nf6 3. d4 e6 4. Bg2 d5 5. 0-0 c6 6. c4 Be7 7. Qc2 0-0 8. Ne5 a5 9. Nd2 Na6 10. Ndf3 Ne4 11. a3 Bd7 12. Nxd7 Qxd7 13. Ne5 Qe8 14. f3 Nd6 15. Bd2 Nc7 16. c5 Nf7 17. Nxf7 Rxf7 18. f4 a4 19. e3 Nb5 20. Rfb1 Bf6 21. Bf1 Rc7 22. Ra2 Qh5 23. Kg2 g5 24. Qd1 Qg6 25. fxg5 Bxg5 26. Bd3 Qh6 27. Bxb5 cxb5 28. Qe2 Rg7 29. Rf1 Rf8 30. Raa1 f4 31. exf4 Bxf4 32. Bxf4 Rxf4 33. Rxf4 Qxf4 34. Qxe6+ Qf7 35. Qc8+ Qf8 36. Qxf8+ Kxf8 37. Rf1+ Ke8 38. Rf5 Rd7 39. Kf3 Kd8 40. g4 Kc7 41. g5 b6 42. cxb6+ Kxb6 43. Rf6+ Ka5 44. h4 b4 45. Rc6 bxa3 46. bxa3 Kb5 47. Rc5+ Kb6 48. h5 1-0

[Event "Groningen op-B"]
[Site "Groningen"]
[Date "2008.12.27"]
[Round "6"]
[White "Kamali, Mehran"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2045"]
[BlackElo "1786"]
[PlyCount "83"]
[EventDate "2008.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 127 Extra"]
[Source "ChessBase"]
[SourceDate "2009.01.08"]
[SourceVersion "2"]
[SourceVersionDate "2009.01.28"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Be3 Bf5 8. Nf3 N8d7 9. Bd3 Bxd3 10. Qxd3 Nf6 11. h3 c6 12. b3 d5 13. c5 Nbd7 14. 0-0 b6 15. b4 bxc5 16. bxc5 Qc7 17. Rab1 0-0 18. g3 Nh5 19. Ne2 Rfb8 20. g4 Rxb1 21. Rxb1 Nhf6 22. Bf4 Qc8 23. Ng3 g6 24. Qb3 Ne4 25. Qb7 Bf6 26. Qxc8+ Rxc8 27. Rb7 Ndxc5 28. dxc5 Nxc5 29. Rxa7 Nd3 30. Rc7 Rxc7 31. Bxc7 c5 32. Ne2 d4 33. Nf4 Nb2 34. Bb6 Be7 35. Ne1 Bd6 36. Nfd3 Na4 37. Ba5 c4 38. Nb4 c3 39. Nbd3 Nb2 40. Bb6 Nxd3 41. Nxd3 c2 42. Bxd4 1-0

[Event "Groningen op-B"]
[Site "Groningen"]
[Date "2008.12.26"]
[Round "5"]
[White "Karsdorp, Nico"]
[Black "Hommes, Elmar"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "1786"]
[BlackElo "1935"]
[PlyCount "57"]
[EventDate "2008.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 127 Extra"]
[Source "ChessBase"]
[SourceDate "2009.01.08"]
[SourceVersion "2"]
[SourceVersionDate "2009.01.28"]
[SourceQuality "1"]

1. Nf3 d6 2. c4 Nf6 3. Nc3 Nbd7 4. d4 e5 5. e4 c6 6. Be2 Be7 7. h3 0-0 8. Be3 Re8 9. Qc2 a6 10. 0-0 Qc7 11. Rac1 Bf8 12. Rfd1 b6 13. a3 Bb7 14. b4 Rac8 15. dxe5 dxe5 16. Nd2 a5 17. Qb3 Nb8 18. c5 bxc5 19. bxa5 Ba6 20. Bxa6 Nxa6 21. Qb6 Qxb6 22. axb6 c4 23. Nxc4 Nc5 24. Bxc5 Bxc5 25. Nd6 Bxa3 26. Nxc8 Rxc8 27. b7 Rb8 28. Ra1 Rxb7 29. Rxa3 1-0

[Event "Groningen Harmonie op-B"]
[Site "Groningen"]
[Date "2007.12.28"]
[Round "7"]
[White "Wubs, Harm"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "1978"]
[BlackElo "1909"]
[PlyCount "59"]
[EventDate "2007.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. Nf3 d5 6. Bg5 h6 7. Bh4 c5 8. dxc5 g5 9. Bg3 Bxc5 10. e3 Nc6 11. Rd1 Qa5 12. Nd2 Bb4 13. Nb3 Bxc3+ 14. bxc3 Qa4 15. cxd5 exd5 16. Bd3 Re8 17. 0-0 Bg4 18. Rde1 Ne4 19. f3 Nxg3 20. hxg3 Bd7 21. f4 Rac8 22. fxg5 hxg5 23. Qf2 Ne5 24. Qf6 Qg4 25. Bf5 Qh5 26. Bxd7 Nxd7 27. Qd6 Ne5 28. Nd4 Rxc3 29. Rf5 Qg4 30. Rxe5 1-0

[Event "Groningen Harmonie op-B"]
[Site "Groningen"]
[Date "2007.12.27"]
[Round "6"]
[White "Karsdorp, Nico"]
[Black "Warmelink, Evie"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "1909"]
[PlyCount "118"]
[EventDate "2007.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. g3 e6 4. Bg2 Nc6 5. 0-0 Be7 6. Nc3 0-0 7. e4 d6 8. d4 cxd4 9. Nxd4 Bd7 10. Be3 Rc8 11. h3 Qc7 12. Nde2 Na5 13. b3 b6 14. Rc1 Bc6 15. Nd5 Qb7 16. Nxe7+ Qxe7 17. Nc3 Rfd8 18. Qe2 Ba8 19. Rfd1 Nc6 20. Bf4 Rd7 21. Rd2 Rcd8 22. Rcd1 Nb4 23. a3 Na6 24. b4 Nc7 25. g4 e5 26. Be3 Ne6 27. g5 Ne8 28. Qg4 f6 29. h4 fxg5 30. hxg5 Qf7 31. Bh3 N8c7 32. Qh4 Qf8 33. Nd5 Rf7 34. Bf5 g6 35. Nf6+ Rxf6 36. gxf6 gxf5 37. exf5 Nf4 38. Bxf4 exf4 39. f7+ Kxf7 40. Qxh7+ Qg7+ 41. Qxg7+ Kxg7 42. Rxd6 Rh8 43. Kf1 Bf3 44. Rd7+ Kf6 45. R1d6+ Ke5 46. Ke1 Rh1+ 47. Kd2 Rd1+ 48. Kc3 Rxd6 49. Rxc7 a6 50. c5 Rc6 51. Rxc6 Bxc6 52. cxb6 Kxf5 53. Kd4 Kg4 54. Kc5 Be4 55. b5 a5 56. Kd6 Kf3 57. Kc7 Kxf2 58. b7 Bxb7 59. Kxb7 Ke2 1/2-1/2

[Event "Groningen Harmonie op-B"]
[Site "Groningen"]
[Date "2007.12.26"]
[Round "5"]
[White "Vermeulen, Frans"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "B29"]
[BlackElo "1909"]
[PlyCount "49"]
[EventDate "2007.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 4. Bb5+ Bd7 5. Qe2 d4 6. e5 dxc3 7. exf6 gxf6 8. dxc3 Nc6 9. Bf4 Qb6 10. Nd2 e5 11. Bg3 0-0-0 12. Nc4 Qc7 13. 0-0-0 h5 14. Bh4 Be7 15. Bxc6 Bxc6 16. Rxd8+ Qxd8 17. Rd1 Qc7 18. Ne3 Qa5 19. Kb1 Qc7 20. c4 Rh6 21. f4 exf4 22. Nf5 Bf8 23. Nxh6 Bxh6 24. Qxh5 Bf8 25. Qh8 1-0

[Event "Groningen Harmonie op-B"]
[Site "Groningen"]
[Date "2007.12.24"]
[Round "4"]
[White "Karsdorp, Nico"]
[Black "Akotchik, Victor"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1909"]
[BlackElo "2015"]
[PlyCount "52"]
[EventDate "2007.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. d4 c6 4. e3 Bd6 5. Nc3 f5 6. Ne5 Bxe5 7. dxe5 Nd7 8. f4 Nh6 9. Qh5+ Nf7 10. Bd2 g6 11. Qf3 dxc4 12. Bxc4 Ndxe5 13. fxe5 Qh4+ 14. Qg3 Qxc4 15. Ne2 0-0 16. Bc3 b6 17. Rf1 Ba6 18. Rf2 Rad8 19. Nf4 Kh8 20. Qh4 Kg8 21. Qg3 Rd7 22. Nh5 Kh8 23. Nf6 Rd3 24. Rc1 Rfd8 25. Qf4 Qxf4 26. exf4 Re3+ 0-1

[Event "Groningen Harmonie op-B"]
[Site "Groningen"]
[Date "2007.12.23"]
[Round "3"]
[White "Bijlsma, Nick"]
[Black "Karsdorp, Nico"]
[Result "0-1"]
[ECO "B02"]
[BlackElo "1909"]
[PlyCount "50"]
[EventDate "2007.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Ne4 4. d4 Nxc3 5. bxc3 Bf5 6. Ba3 Nd7 7. c4 e6 8. Bxf8 Nxf8 9. Nf3 Ng6 10. Rb1 Rb8 11. Qd2 0-0 12. Be2 c5 13. Rb5 cxd4 14. cxd5 a6 15. Ra5 Nf4 16. Nxd4 Nxg2+ 17. Kf1 Bh3 18. Ra3 Nf4+ 19. Ke1 Nxe2 20. Nxe2 Bf5 21. Ng3 Bg6 22. Ke2 Rc8 23. c3 exd5 24. Rd1 Qe7 25. Rb3 Qxe5+ 0-1

[Event "Groningen Harmonie op-B"]
[Site "Groningen"]
[Date "2007.12.22"]
[Round "2"]
[White "Karsdorp, Nico"]
[Black "Hummel, Joop"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "1909"]
[BlackElo "1989"]
[PlyCount "87"]
[EventDate "2007.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Qb6 8. h4 cxd4 9. cxd4 Bb4+ 10. Kf2 f6 11. Be3 fxe5 12. fxe5 0-0 13. a3 Be7 14. Qd2 Na5 15. Rd1 Qd8 16. g3 Nc4 17. Bxc4 dxc4 18. Nh3 b5 19. Rdf1 Nb6 20. Ke2 a5 21. Qc2 Qe8 22. Nhg5 Qg6 23. Qxg6 hxg6 24. h5 gxh5 25. Rxh5 Bb7 26. Nxe6 Bxf3+ 27. Rxf3 Rxf3 28. Kxf3 Nd5 29. Bg5 c3 30. bxc3 Bxa3 31. Bd2 Bb2 32. Ke4 Nxc3+ 33. Bxc3 Bxc3 34. Nc7 Rb8 35. e6 b4 36. e7 a4 37. e8Q+ Rxe8+ 38. Nxe8 b3 39. Kd3 Bb4 40. Kc4 b2 41. Rh1 a3 42. Kb3 Kf7 43. Nc7 Bd6 44. Nb5 1-0

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.29"]
[Round "9"]
[White "Karsdorp, Nico"]
[Black "Meurs, Tom WA"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "1890"]
[BlackElo "1972"]
[PlyCount "65"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bd6 7. Rb1 c6 8. Ne2 0-0 9. 0-0 Nd7 10. d3 Nb6 11. c4 Rb8 12. Be3 Bc7 13. Nc3 f5 14. Qe2 Qf6 15. Bc5 Rf7 16. Rb3 Be6 17. a4 g5 18. a5 Nd7 19. Bxa7 Ra8 20. Rxb7 Bxa5 21. Nb1 f4 22. Bxc6 f3 23. Qe3 Raf8 24. Rb5 Qf5 25. Rxa5 Qh3 26. Bxf3 Rxf3 27. Qxg5+ Kh8 28. Rxe5 Nxe5 29. Qxe5+ R3f6 30. Bc5 R8f7 31. Be7 Kg7 32. Bxf6+ Rxf6 33. Nd2 1-0

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.29"]
[Round "8"]
[White "Karsdorp, Nico"]
[Black "Slagter, Ruben"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1890"]
[BlackElo "1813"]
[PlyCount "60"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 e6 7. Nc3 Nxc3 8. bxc3 d6 9. exd6 Bxd6 10. Bd3 h6 11. 0-0 0-0 12. Re1 b6 13. Qe2 Qd7 14. Bd2 Rb8 15. Rad1 Ne7 16. Ne5 Bxe5 17. dxe5 Bb7 18. c4 Rfd8 19. Bb4 Qc6 20. f3 Nf5 21. Be4 Qa4 22. Bd6 Nxd6 23. exd6 Qb4 24. Qd3 Ba6 25. Qd2 Qc5+ 26. Kh1 Bxc4 27. Bb1 Bd5 28. Qd3 f5 29. g4 Rxd6 30. gxf5 Qf2 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.29"]
[Round "7"]
[White "Nyman, Johan"]
[Black "Karsdorp, Nico"]
[Result "0-1"]
[ECO "C40"]
[WhiteElo "1828"]
[BlackElo "1890"]
[PlyCount "68"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Nc3 Qg6 7. Bf4 Nf6 8. Qd2 Be7 9. 0-0-0 0-0 10. Kb1 Be6 11. d5 Bd7 12. h3 a5 13. g4 b5 14. Ne3 b4 15. Nb5 Na6 16. Nd4 Nc5 17. Ndf5 Qe8 18. Qd4 Rf7 19. Be2 Bxf5 20. Nxf5 Nfd7 21. Bb5 Bf6 22. Qe3 Rb8 23. Bxd7 Qxd7 24. Ng3 Na4 25. Nxe4 Bxb2 26. Bg3 Re7 27. Qa7 Qe8 28. Ng5 Bf6 29. Ne6 Nc3+ 30. Kc1 Nxa2+ 31. Kb1 Nc3+ 32. Kc1 Nxd1 33. Rxd1 c5 34. Qxa5 Ra8 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.26"]
[Round "4"]
[White "Karsdorp, Nico"]
[Black "Dehn, Marcus"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1890"]
[BlackElo "2142"]
[PlyCount "112"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 Nf6 5. Bg5 h6 6. Bh4 Bb4 7. f3 Qc8 8. a3 Be7 9. e5 Nd5 10. Bxe7 Nxe7 11. Ne4 Nf5 12. c3 Ba6 13. Qe2 Bxd3 14. Qxd3 Qa6 15. Qxa6 Nxa6 16. Kf2 d5 17. Ng3 Nxg3 18. Kxg3 c5 19. Ne2 c4 20. h4 Ke7 21. f4 h5 22. Rhf1 g6 23. Ng1 Nb8 24. Nf3 Nc6 25. Rfe1 b5 26. Kf2 a5 27. Nd2 b4 28. axb4 axb4 29. Reb1 Rhb8 30. Ke2 Kd7 31. Kd1 Ne7 32. Nf3 Nf5 33. Ng5 Ke7 34. Nh7 b3 35. Ke2 Nxh4 36. g3 Nf5 37. Kf3 Ra2 38. Nf6 Rba8 39. Rxa2 Rxa2 40. Ng8+ Kd8 41. Nf6 Ne7 42. Nh7 Nc8 43. Ng5 Ke8 44. g4 Nb6 45. gxh5 gxh5 46. Rh1 Rxb2 47. Rxh5 Rc2 48. Rh8+ Kd7 49. Rh7 Rxc3+ 50. Kg4 b2 51. Rxf7+ Kc6 52. Rf6 b1Q 53. Nxe6 Nd7 54. Rh6 Kb7 55. Nd8+ Kc8 56. Nf7 Rc2 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.25"]
[Round "3"]
[White "Van Kampen, Robin"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2475"]
[BlackElo "1890"]
[PlyCount "61"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Nc3 Nxd5 6. Nf3 e6 7. Bc4 Be7 8. 0-0 0-0 9. d4 b6 10. Re1 Nxc3 11. bxc3 Bb7 12. Bd3 Nd7 13. Bd2 Nf6 14. h4 Rc8 15. Rc1 Ba3 16. Rb1 Bd6 17. Ne5 h6 18. Rc1 Ba3 19. Rc2 Qd5 20. f3 Qd8 21. Qe2 Nh5 22. g4 Nf6 23. g5 hxg5 24. Bxg5 Be7 25. Qg2 Nh5 26. Qg4 Nf6 27. Bxf6 Bxf6 28. Qh5 g6 29. Rg2 Bxe5 30. Bxg6 fxg6 31. Qxg6+ 1-0

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.24"]
[Round "2"]
[White "Karsdorp, Nico"]
[Black "Munnik, Talitha"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "1890"]
[BlackElo "2050"]
[PlyCount "127"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. 0-0 0-0 6. cxd5 exd5 7. d4 Ne4 8. Nc3 Nc6 9. Qb3 Na5 10. Qd1 Bf5 11. Nd2 Nxd2 12. Qxd2 Nc4 13. Qf4 Be6 14. b3 Bd6 15. Qf3 Nb6 16. Nb5 Be7 17. Bf4 c6 18. Nc7 Rc8 19. Nxe6 fxe6 20. Qe3 Rf6 21. h4 c5 22. Be5 Rh6 23. Bh3 Bd6 24. Rac1 c4 25. Qf4 Bxe5 26. Qxe5 Rc6 27. Rc3 Nd7 28. Qf4 Qa5 29. Rc2 Rf6 30. Qe3 b5 31. Rfc1 Qa3 32. g4 Qd6 33. g5 Rf7 34. bxc4 bxc4 35. Rb1 Nf8 36. Qg3 Qf4 37. Qxf4 Rxf4 38. e3 Rxh4 39. Kg2 h6 40. Kg3 hxg5 41. f4 Rh7 42. fxg5 g6 43. Rb8 Rb6 44. Re8 Rf7 45. Bg4 Kg7 46. Rh2 Rc6 47. Rc2 c3 48. Be2 Rb7 49. Kf4 Kf7 50. Ra8 Rcc7 51. Bd3 Ke7 52. a4 Rb3 53. Bb5 Rb2 54. Bd3 Rb6 55. Bb5 Rd6 56. Re8+ Kf7 57. Ke5 Rb6 58. Rf2+ Kg7 59. Rfxf8 c2 60. Rg8+ Kf7 61. Ref8+ Ke7 62. Re8+ Kf7 63. Bd3 c1Q 64. Bxg6# 1-0

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.23"]
[Round "1"]
[White "Otte, Marijn Willem"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "2117"]
[BlackElo "1890"]
[PlyCount "75"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. c4 Nb6 7. exd6 cxd6 8. 0-0 Be7 9. b3 0-0 10. Bb2 d5 11. Nbd2 Nc6 12. c5 Nc8 13. Re1 Bf6 14. Nf1 N8e7 15. Ne3 Bxf3 16. Bxf3 Nf5 17. Nxf5 exf5 18. Qd2 Qd7 19. b4 Rfe8 20. b5 Ne7 21. Qd3 Ng6 22. g3 Re6 23. Kg2 Rae8 24. Bc3 Rxe1 25. Rxe1 Rxe1 26. Bxe1 f4 27. Bb4 Ne7 28. a4 fxg3 29. hxg3 Nf5 30. Bg4 g6 31. Bxf5 gxf5 32. Qc3 f4 33. c6 bxc6 34. bxc6 f3+ 35. Kxf3 Qf5+ 36. Kg2 Qe4+ 37. Qf3 Qxd4 38. c7 1-0

[Event "Groningen Harmonie op-A"]
[Site "Groningen"]
[Date "2005.12.29"]
[Round "7"]
[White "Goudriaan, Erik"]
[Black "Karsdorp, Nico"]
[Result "1/2-1/2"]
[ECO "A81"]
[BlackElo "1942"]
[PlyCount "47"]
[EventDate "2005.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 Nf6 3. g3 e6 4. Bg2 d5 5. Bf4 Be7 6. 0-0 0-0 7. Nbd2 c6 8. c3 Bd7 9. Ne5 Be8 10. Nd3 Nbd7 11. Qc2 h6 12. Rae1 g5 13. Be5 Bg6 14. f3 c5 15. Bxf6 Rxf6 16. f4 Rc8 17. e3 Qb6 18. Nf3 Rff8 19. Qd2 Bf6 20. Kh1 g4 21. Nfe5 Nxe5 22. fxe5 Be7 23. Nf4 Kg7 24. Rf2 1/2-1/2

[Event "Groningen Harmonie op-A"]
[Site "Groningen"]
[Date "2005.12.29"]
[Round "8"]
[White "Karsdorp, Nico"]
[Black "Belle, Erika"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1942"]
[BlackElo "2014"]
[PlyCount "114"]
[EventDate "2005.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 cxd4 4. cxd4 d5 5. e5 Nc6 6. Nf3 Be7 7. Nc3 a6 8. Bd3 b5 9. 0-0 Bd7 10. Bd2 Nb4 11. Bb1 Nc6 12. a3 Qb6 13. Be3 Na5 14. b3 b4 15. Na4 Bxa4 16. axb4 Bxb3 17. bxa5 Bxd1 18. axb6 Be2 19. Rc1 Bd8 20. Bc2 Bb5 21. Ba4 Rb8 22. Bxb5+ axb5 23. Rc6 Ne7 24. Rc5 Rxb6 25. Ra5 b4 26. Rab5 Rxb5 27. Rxb5 Nc6 28. Nd2 Kd7 29. Nb3 Be7 30. Rb7+ Kc8 31. Rb6 Kc7 32. Ra6 Kb7 33. Ra2 Ra8 34. Rxa8 Kxa8 35. Kf1 Kb7 36. Ke2 Ka6 37. Kd3 Kb5 38. Kc2 Na7 39. Nd2 Ka4 40. Kb2 Nb5 41. Nb3 Na3 42. Ka2 Nc4 43. Bc1 Kb5 44. Kb1 Nb6 45. Kc2 Na4 46. Bd2 Bd8 47. Kd3 Bb6 48. Be3 Nb2+ 49. Kc2 Nc4 50. Bc1 Ka4 51. Bg5 Na5 52. Nxa5 Bxa5 53. Kb2 b3 54. Be3 Bb4 55. f3 Be1 56. Bg1 Kb4 57. Be3 Bc3+ 0-1

[Event "Groningen Harmonie op-A"]
[Site "Groningen"]
[Date "2005.12.28"]
[Round "5"]
[White "Dessing, Bastiaan"]
[Black "Karsdorp, Nico"]
[Result "1/2-1/2"]
[ECO "B17"]
[BlackElo "1942"]
[PlyCount "73"]
[EventDate "2005.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. h3 Bf5 8. Bd3 Bxd3 9. Qxd3 e6 10. 0-0 Bd6 11. Re1 Qc7 12. c4 0-0-0 13. Qc3 h6 14. b4 Nh5 15. Rb1 g5 16. b5 c5 17. dxc5 Bxc5 18. Be3 Nf4 19. Bxc5 Qxc5 20. Re5 Qc7 21. Qe3 b6 22. Nd4 Nd3 23. Re4 Nc5 24. Re5 Rd6 25. Qc3 Rhd8 26. Nc6 Rd3 27. Qa1 R8d6 28. Ree1 Kb7 29. a4 Nb3 30. Qb2 Nd4 31. Ne5 Rb3 32. Qa2 Rxb1 33. Qxb1 f6 34. Qe4+ Kc8 35. Nf3 Nxf3+ 36. Qxf3 f5 37. Rc1 1/2-1/2

[Event "Groningen Harmonie op-A"]
[Site "Groningen"]
[Date "2005.12.28"]
[Round "6"]
[White "Karsdorp, Nico"]
[Black "Van der Velde, Werner"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1942"]
[BlackElo "1877"]
[PlyCount "74"]
[EventDate "2005.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. c3 d6 6. 0-0 h6 7. a4 a6 8. b4 Ba7 9. Qb3 0-0 10. Be3 Bd7 11. Nbd2 Ng4 12. Bxa7 Rxa7 13. d4 Nf6 14. Rfe1 Nh5 15. g3 Qf6 16. d5 Ne7 17. Bf1 g5 18. c4 Qg7 19. Bg2 f5 20. exf5 Bxf5 21. Ne4 Nf6 22. Nfd2 Qg6 23. Qe3 Raa8 24. Nxf6+ Rxf6 25. Ne4 Bxe4 26. Bxe4 Qf7 27. Ra2 a5 28. b5 b6 29. Kg2 Rf8 30. f3 Kg7 31. h3 Nf5 32. Bxf5 Rxf5 33. Ra3 Qg6 34. Qe4 R8f6 35. g4 Rf4 36. Qxg6+ Kxg6 37. Re4 Rxe4 1/2-1/2

[Event "Groningen Harmonie op-A"]
[Site "Groningen"]
[Date "2005.12.26"]
[Round "3"]
[White "Hummel, Paul"]
[Black "Karsdorp, Nico"]
[Result "1/2-1/2"]
[ECO "C40"]
[BlackElo "1942"]
[PlyCount "37"]
[EventDate "2005.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 d5 5. Qh5+ g6 6. Nxg6 hxg6 7. Qxh8 Kf7 8. Qd4 Be6 9. Bb3 Nc6 10. Qe3 Bh6 11. Qg3 Nge7 12. f3 Nf5 13. Qf2 exf3 14. Qxf3 Ne5 15. Qe2 Qh4+ 16. Qf2 Qe4+ 17. Qe2 Qh4+ 18. Qf2 Qe4+ 19. Qe2 1/2-1/2

[Event "Groningen Harmonie op-A"]
[Site "Groningen"]
[Date "2005.12.23"]
[Round "1"]
[White "Karsdorp, Nico"]
[Black "Van Oosterom, Chiel"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1942"]
[BlackElo "2235"]
[PlyCount "116"]
[EventDate "2005.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Nf6 4. Nf3 Nxd5 5. d4 cxd4 6. cxd4 g6 7. Nc3 Bg7 8. Bc4 Nb6 9. Bb3 0-0 10. h3 Nc6 11. Be3 Na5 12. Bc2 Nac4 13. b3 Nxe3 14. fxe3 Nd5 15. Nxd5 Qxd5 16. 0-0 b6 17. Bd3 Bb7 18. Rc1 Qd6 19. Qe2 Rad8 20. Bc4 Qg3 21. Qe1 Qxe1 22. Rcxe1 Rc8 23. e4 h6 24. e5 Rfd8 25. Rd1 e6 26. h4 Rc7 27. Kf2 b5 28. Bxb5 Rc2+ 29. Kg3 Rxa2 30. Rf2 Rxf2 31. Kxf2 Bxf3 32. Kxf3 Bxe5 33. Ke4 Bg3 34. h5 Rd5 35. Be2 gxh5 36. Ra1 a5 37. Rc1 Bf2 38. Rc4 h4 39. Ra4 f5+ 40. Kf3 Bxd4 41. Bc4 Re5 42. Bxe6+ Rxe6 43. Rxd4 Rb6 44. Rd3 Kg7 45. Kf4 Kf6 46. Rc3 Rb4+ 47. Kf3 Kg5 48. Rd3 Rf4+ 49. Ke3 Kg4 50. Rd6 Kg3 51. Rxh6 Re4+ 52. Kd3 Kxg2 53. Rh5 Rf4 54. Ke3 Rf3+ 55. Ke2 h3 56. Rg5+ Rg3 57. Rxf5 h2 58. Rf2+ Kh3 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2004.12.29"]
[Round "8"]
[White "Karsdorp, Nico"]
[Black "Keizer, Theodoor"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "1941"]
[PlyCount "69"]
[EventDate "2004.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. d4 c6 4. e4 d6 5. Nc3 Nd7 6. Be3 Ngf6 7. h3 0-0 8. Qd2 e5 9. Be2 Re8 10. d5 cxd5 11. cxd5 Nc5 12. Qc2 Qa5 13. Nd2 Bd7 14. a3 Qc7 15. Rc1 Rec8 16. 0-0 a5 17. Qb1 Qd8 18. Nb5 Ne8 19. Nxd6 Nxd6 20. Rxc5 f5 21. f3 f4 22. Bf2 Qg5 23. Rxc8+ Rxc8 24. Kh1 Bf6 25. Rc1 Rf8 26. Rc7 Rf7 27. Qc1 Bd8 28. Rc2 b5 29. Nb3 Qf6 30. Nc5 Bc8 31. Qg1 h5 32. b4 a4 33. Nd3 Bd7 34. Nc5 Bc8 35. Bd3 1/2-1/2

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2004.12.28"]
[Round "7"]
[White "Veldman, Jan"]
[Black "Karsdorp, Nico"]
[Result "1/2-1/2"]
[ECO "E38"]
[BlackElo "1941"]
[PlyCount "53"]
[EventDate "2004.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. e3 0-0 6. a3 Bxc3+ 7. Qxc3 Ne4 8. Qc2 f5 9. Bd3 cxd4 10. exd4 d5 11. Ne2 Nc6 12. cxd5 exd5 13. f3 Nd6 14. Bd2 Nxd4 15. Nxd4 Qh4+ 16. g3 Qxd4 17. 0-0-0 Bd7 18. Bc3 Qa4 19. Qxa4 Bxa4 20. Bc2 Bxc2 21. Kxc2 Nc4 22. Rd3 Rfe8 23. Kb3 Rad8 24. Rhd1 Nb6 25. a4 Rc8 26. Bd4 Nc4 27. Bc3 1/2-1/2

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2004.12.26"]
[Round "5"]
[White "Van der Velde, Werner"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "C13"]
[BlackElo "1941"]
[PlyCount "59"]
[EventDate "2004.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Bg5 Be7 6. Bxf6 Bxf6 7. Nf3 Nd7 8. Be2 b6 9. Bb5 Bb7 10. Nxf6+ gxf6 11. 0-0 Qe7 12. Qe2 Rg8 13. Rfe1 Kf8 14. Rad1 a6 15. Bd3 Rg7 16. c3 Qd6 17. Be4 c6 18. Nd2 f5 19. Nc4 Qc7 20. Bf3 Rd8 21. Ne5 Nf6 22. Qc4 c5 23. Bxb7 Qxb7 24. f3 cxd4 25. Rxd4 Rxd4 26. Qxd4 Qc7 27. Rd1 Qc5 28. Qxc5+ bxc5 29. Rd8+ Ke7 30. Nc6# 1-0

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2004.12.24"]
[Round "4"]
[White "Karsdorp, Nico"]
[Black "Vermeulen, Frans"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1941"]
[PlyCount "51"]
[EventDate "2004.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e5 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 d6 6. c3 Bg4 7. b4 Bxf3 8. Qxf3 Nxb4 9. Nd2 Nc6 10. Qg3 Qe7 11. Nf3 Na5 12. Bb5+ c6 13. Ba4 0-0-0 14. Qxg7 Rhg8 15. Qh6 Rg6 16. Qh3+ Qe6 17. Qxe6+ fxe6 18. Be3 Bxe3 19. fxe3 Rdg8 20. Rf2 Ng4 21. Re2 b5 22. Bb3 Kb7 23. Rf1 Nxb3 24. axb3 Kb6 25. Ne1 Rf6 26. Rxf6 1/2-1/2

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2004.12.23"]
[Round "3"]
[White "Belle, Erika"]
[Black "Karsdorp, Nico"]
[Result "1/2-1/2"]
[ECO "C40"]
[WhiteElo "2014"]
[BlackElo "1941"]
[PlyCount "50"]
[EventDate "2004.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Nc3 Qg6 7. f3 exf3 8. Qxf3 Nf6 9. Bd3 Qg4 10. Qxg4 Bxg4 11. h3 Bd7 12. a3 Nc6 13. d5 Ne5 14. Nxe5 dxe5 15. Be3 a6 16. 0-0 Bd6 17. Rae1 0-0 18. Bg5 h6 19. Be3 Rae8 20. Bg6 Rc8 21. Rd1 Nh7 22. Ne4 Rxf1+ 23. Rxf1 Rf8 24. Rxf8+ Nxf8 25. Bh5 Bf5 1/2-1/2

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2004.12.22"]
[Round "2"]
[White "Karsdorp, Nico"]
[Black "Costello, Colin"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1941"]
[BlackElo "2067"]
[PlyCount "52"]
[EventDate "2004.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. Bd3 Nf6 8. Qe2 Be7 9. 0-0 0-0 10. c3 Bb7 11. e5 Nd7 12. f4 Nc5 13. Bc2 Ba6 14. c4 dxc4 15. Nxc4 Qd4+ 16. Be3 Qxc4 17. Bxh7+ Kxh7 18. Qh5+ Kg8 19. Rf3 Qe2 20. f5 exf5 21. Qxf5 Rad8 22. h3 Bd3 23. Qf4 Ne6 24. Qg3 Bc5 25. Bxc5 Nxc5 26. Rf2 Ne4 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2004.12.21"]
[Round "1"]
[White "Boersma, Jan"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "2225"]
[BlackElo "1941"]
[PlyCount "77"]
[EventDate "2004.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Ne4 4. Nce2 d4 5. c3 Nc6 6. cxd4 Ng5 7. f4 Ne6 8. Nf3 Nexd4 9. Nexd4 Nxd4 10. Qa4+ Nc6 11. Bb5 Bd7 12. e6 fxe6 13. Qe4 Na5 14. Bxd7+ Qxd7 15. b4 Nc6 16. b5 Nd8 17. Rb1 Qd5 18. Qa4 b6 19. 0-0 g6 20. Bb2 Rg8 21. Rbc1 Rc8 22. Rfe1 Nf7 23. Qxa7 Qxb5 24. Rxc7 Rxc7 25. Qxc7 Qxb2 26. Qc6+ Kd8 27. Rc1 Nd6 28. Ne5 Qxc1+ 29. Qxc1 Bg7 30. Qc6 Bxe5 31. Qxb6+ Kd7 32. fxe5 Nf5 33. g4 Nh4 34. Qb7+ Ke8 35. a4 Rf8 36. Qc6+ Kf7 37. a5 Rd8 38. a6 Rxd2 39. a7 1-0

[Event "Hoogeveen Essent Amateur"]
[Site "Hoogeveen"]
[Date "2004.10.23"]
[Round "9"]
[White "Seijen, Henk G"]
[Black "Karsdorp, Nico"]
[Result "0-1"]
[ECO "B02"]
[BlackElo "1941"]
[PlyCount "24"]
[EventDate "2004.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Ne4 4. d4 Bf5 5. Nxe4 Bxe4 6. Ne2 e6 7. Ng3 Bg6 8. h4 h6 9. Nh5 c5 10. Bb5+ Nc6 11. c3 cxd4 12. cxd4 Qa5+ 0-1

[Event "Hoogeveen Essent Amateur"]
[Site "Hoogeveen"]
[Date "2004.10.22"]
[Round "8"]
[White "Karsdorp, Nico"]
[Black "De Wit, Gerard"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1941"]
[PlyCount "87"]
[EventDate "2004.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. c3 Nxd4 7. cxd4 dxe4 8. Nxe4 Be7 9. Bd3 Nf6 10. 0-0 Bd7 11. Be3 Bc6 12. Ng3 0-0 13. Rc1 Qd5 14. f3 Qxa2 15. Qd2 Qd5 16. Ne4 Qd7 17. Bb1 Rfd8 18. Qc2 g6 19. Nc5 Qe8 20. Qf2 Nd5 21. Bd2 Bf6 22. Ne4 Bg7 23. Bg5 f6 24. Bh4 Qf7 25. Rfe1 Re8 26. Nd6 Qf8 27. Nxe8 Rxe8 28. Bg3 Bh6 29. Rcd1 Qb4 30. Ba2 a6 31. Rd3 Qa5 32. Ra3 Qb5 33. Qe2 Qb6 34. Bf2 Bf8 35. Rb3 Qa5 36. Bb1 Ba4 37. Rxb7 Bb4 38. Rc1 Bb5 39. Qc2 Bd2 40. Rd1 Be3 41. Rxh7 Bxf2+ 42. Kxf2 Nf4 43. Qc7 Qxc7 44. Rxc7 1-0

[Event "Hoogeveen Essent Amateur"]
[Site "Hoogeveen"]
[Date "2004.10.21"]
[Round "7"]
[White "Abels, Henk"]
[Black "Karsdorp, Nico"]
[Result "1/2-1/2"]
[ECO "B05"]
[BlackElo "1941"]
[PlyCount "56"]
[EventDate "2004.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. c4 Nb6 8. exd6 cxd6 9. Nc3 0-0 10. h3 Bh5 11. b3 d5 12. c5 Nc8 13. b4 Nc6 14. b5 Na5 15. Ne5 Bxe2 16. Qxe2 Bf6 17. Rd1 Ne7 18. a4 Bxe5 19. Qxe5 Ng6 20. Qg3 Rc8 21. Rb1 Nc4 22. Rb3 Qf6 23. Qg4 Qh4 24. Re1 h5 25. Qxh4 Nxh4 26. Rd1 f6 27. g3 Nf5 28. h4 Rfe8 1/2-1/2

[Event "Hoogeveen Essent Amateur"]
[Site "Hoogeveen"]
[Date "2004.10.18"]
[Round "4"]
[White "Karsdorp, Nico"]
[Black "Nagel, Jan"]
[Result "0-1"]
[ECO "C26"]
[WhiteElo "1941"]
[PlyCount "80"]
[EventDate "2004.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bd6 7. d3 0-0 8. Ne2 c6 9. 0-0 Be6 10. c4 Nd7 11. f4 Bg4 12. f5 f6 13. h3 Bh5 14. g4 Bf7 15. Ng3 Rc8 16. Ne4 Be7 17. Be3 b6 18. Rb1 Qc7 19. a4 Rfd8 20. Qe1 Rb8 21. Qf2 a6 22. Ra1 Rdc8 23. Rfb1 Kf8 24. Qh4 Kg8 25. Qf2 Kf8 26. Bf3 b5 27. axb5 cxb5 28. Rxa6 bxc4 29. Rxb8 Qxb8 30. d4 Qb5 31. Ra7 exd4 32. Bxd4 Ne5 33. Bd1 Nc6 34. Rxe7 Nxe7 35. Nd6 Qb1 36. Qd2 Rd8 37. Bc5 Kg8 38. Kf2 Nc8 39. Bf3 Nxd6 40. Bxd6 Qb6+ 0-1

[Event "Miercurea Ciuc-B 7th"]
[Site "Miercurea Ciuc"]
[Date "2004.08.29"]
[Round "11"]
[White "Karsdorp, Nico"]
[Black "Bolog, Iulian"]
[Result "1/2-1/2"]
[ECO "A22"]
[BlackElo "1974"]
[PlyCount "31"]
[EventDate "2004.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. e4 Bc5 4. Nf3 Ng4 5. d4 exd4 6. Nxd4 Nxf2 7. Kxf2 Qf6+ 8. Qf3 Bxd4+ 9. Ke1 Qh4+ 10. g3 Qf6 11. Qxf6 Bxf6 12. Bf4 c6 13. Kd2 d6 14. Bxd6 Nd7 15. Be2 Be7 16. Bxe7 1/2-1/2

[Event "Miercurea Ciuc-B 7th"]
[Site "Miercurea Ciuc"]
[Date "2004.08.28"]
[Round "10"]
[White "Kelemen Feher, Balint"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2048"]
[PlyCount "85"]
[EventDate "2004.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 Nc6 8. Nge2 Bg4 9. 0-0 0-0 10. Qc2 g6 11. a3 Bf6 12. Be3 d5 13. c5 Nc8 14. h3 Bxe2 15. Nxe2 Bg7 16. Qd2 Re8 17. b4 N8e7 18. b5 Nb8 19. Bg5 c6 20. a4 Qd7 21. Rfe1 a6 22. b6 f6 23. Bh6 Nf5 24. Bxf5 Qxf5 25. Ng3 Qc8 26. Rxe8+ Qxe8 27. Re1 Qf7 28. Bxg7 Kxg7 29. Qf4 Nd7 30. Qc7 Rb8 31. Re3 f5 32. Ne2 g5 33. h4 h6 34. hxg5 hxg5 35. Qg3 Qf6 36. Nf4 Kf7 37. Nh5 Qxd4 38. Qxg5 Re8 39. Qxf5+ Nf6 40. Rxe8 Qd1+ 41. Kh2 Qxh5+ 42. Qxh5+ Nxh5 43. Rb8 1-0

[Event "Miercurea Ciuc-B 7th"]
[Site "Miercurea Ciuc"]
[Date "2004.08.27"]
[Round "9"]
[White "Karsdorp, Nico"]
[Black "Voegerl, Ronald"]
[Result "0-1"]
[ECO "B10"]
[BlackElo "2072"]
[PlyCount "82"]
[EventDate "2004.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Bb5+ Bd7 6. Qb3 Bxb5 7. Qxb5+ Qd7 8. Qxd7+ Nbxd7 9. Nc3 Nb6 10. d4 Nfxd5 11. Nf3 Rc8 12. Bd2 e6 13. 0-0 Be7 14. Rac1 0-0 15. Ne4 Nc4 16. Bc3 Rfd8 17. g3 b5 18. b3 Nd6 19. Nxd6 Bxd6 20. Bd2 Ba3 21. Rxc8 Rxc8 22. Ra1 Rc2 23. Kf1 f6 24. Ke1 Nb4 25. Bxb4 Bxb4+ 26. Kf1 Bc3 27. Rd1 Rxa2 28. d5 Ra1 29. Rxa1 Bxa1 30. dxe6 Kf8 31. Nh4 g6 32. f4 f5 33. Nf3 Ke7 34. Ke2 Bf6 35. Kd3 Kxe6 36. Nd4+ Bxd4 37. Kxd4 a5 38. Kc5 a4 39. bxa4 bxa4 40. Kb4 Kd5 41. Kxa4 Ke4 0-1

[Event "Miercurea Ciuc-B 7th"]
[Site "Miercurea Ciuc"]
[Date "2004.08.26"]
[Round "8"]
[White "Argyo, Nora"]
[Black "Karsdorp, Nico"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2076"]
[PlyCount "29"]
[EventDate "2004.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. dxe5 dxe5 5. Bc4 c6 6. 0-0 Be7 7. c3 Ngf6 8. Re1 0-0 9. Bg5 Qc7 10. Nbd2 Nc5 11. h3 Be6 12. Bxe6 Nxe6 13. Qc2 Rad8 14. Rad1 Nxg5 15. Nxg5 1/2-1/2

[Event "Miercurea Ciuc-B 7th"]
[Site "Miercurea Ciuc"]
[Date "2004.08.25"]
[Round "6"]
[White "Eibl, Maximilian"]
[Black "Karsdorp, Nico"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "50"]
[EventDate "2004.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 Bf5 6. Nf3 e6 7. Nc3 Na6 8. a3 c5 9. dxc5 dxc5 10. Be3 Be7 11. Be2 0-0 12. 0-0 Qxd1 13. Rfxd1 Rad8 14. Nb5 Nc8 15. Rxd8 Rxd8 16. Rd1 Rxd1+ 17. Bxd1 Nb8 18. Kf2 Nc6 19. Ke2 a6 20. Nc3 Nb6 21. b3 Nd7 22. h3 h5 23. Kd2 f6 24. exf6 Bxf6 25. Bc2 Bxc2 1/2-1/2

[Event "Miercurea Ciuc-B 7th"]
[Site "Miercurea Ciuc"]
[Date "2004.08.25"]
[Round "7"]
[White "Karsdorp, Nico"]
[Black "Glodeanu, Ion"]
[Result "0-1"]
[ECO "C26"]
[BlackElo "2276"]
[PlyCount "68"]
[EventDate "2004.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bd6 7. d4 0-0 8. Ne2 Nd7 9. 0-0 Nf6 10. h3 c6 11. a4 Be6 12. Ba3 Bxa3 13. Rxa3 Qd6 14. Ra1 Bd5 15. Qd3 Bxg2 16. Kxg2 Qd5+ 17. Qf3 Rfe8 18. Rfe1 e4 19. Qe3 Qc4 20. Reb1 Nd5 21. Qd2 b6 22. a5 b5 23. Ra3 a6 24. Re1 c5 25. Rb3 Rad8 26. Qc1 Rc8 27. Nf4 cxd4 28. cxd4 Qxc2 29. Qxc2 Nxf4+ 30. gxf4 Rxc2 31. Rbe3 f5 32. Kg3 Re6 33. d5 Rg6+ 34. Kh4 Rxf2 0-1

[Event "Miercurea Ciuc-B 7th"]
[Site "Miercurea Ciuc"]
[Date "2004.08.24"]
[Round "5"]
[White "Karsdorp, Nico"]
[Black "Darvas, Ignatie"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "47"]
[EventDate "2004.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. c3 e5 3. Nf3 Nc6 4. Bb5 d6 5. d4 cxd4 6. cxd4 exd4 7. Nxd4 Qb6 8. Nc3 Bd7 9. Nb3 Nf6 10. Be3 Qc7 11. Rc1 Qd8 12. 0-0 a6 13. Be2 Be7 14. f3 0-0 15. Qd2 Rc8 16. Na4 Ne5 17. Nb6 Rxc1 18. Rxc1 Bc6 19. Na5 Ned7 20. Nxc6 bxc6 21. Rxc6 Ne5 22. Rc8 Qxc8 23. Nxc8 Rxc8 24. Bxa6 1-0

[Event "Miercurea Ciuc-B 7th"]
[Site "Miercurea Ciuc"]
[Date "2004.08.23"]
[Round "4"]
[White "Braeutigam, Markus"]
[Black "Karsdorp, Nico"]
[Result "0-1"]
[ECO "D73"]
[PlyCount "118"]
[EventDate "2004.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. cxd5 cxd5 5. d4 g6 6. Nf3 Nc6 7. 0-0 Bg7 8. Nbd2 0-0 9. Nb3 Ne4 10. Bf4 a5 11. Ne5 Qb6 12. Nxc6 bxc6 13. f3 Nd6 14. e3 Nc4 15. Rb1 e5 16. dxe5 Nxe3 17. Bxe3 Qxe3+ 18. Kh1 Qxe5 19. Re1 Qd6 20. Qd2 Qb4 21. Qe3 a4 22. Nc5 Bd4 23. Nd3 Bxe3 24. Nxb4 Bd2 25. Nxc6 Bxe1 26. Rxe1 Be6 27. f4 Rfe8 28. Nd4 Rac8 29. Bf1 Bd7 30. Rd1 Bg4 31. Rd2 Re1 32. Kg2 Bh3+ 33. Kxh3 Rxf1 34. b4 axb3 35. axb3 Rcc1 36. Nc2 Rcd1 37. Re2 Rd3 38. Nb4 Rdd1 39. Nc2 Rb1 40. Ne3 Rfc1 41. Nxd5 Rxb3 42. Ne3 Rcb1 43. Nc4 Rb4 44. Rc2 Re1 45. Nb2 Rbe4 46. Nc4 R4e2 47. Rxe2 Rxe2 48. Ne5 f6 49. Nf3 Kg7 50. Nh4 h5 51. Nf3 Kh6 52. Nh4 Rf2 53. Ng2 g5 54. fxg5+ fxg5 55. Ne3 Kg6 56. Ng4 hxg4+ 57. Kxg4 Rxh2 58. Kf3 Kf5 59. g4+ Ke5 0-1

[Event "Miercurea Ciuc-B 7th"]
[Site "Miercurea Ciuc"]
[Date "2004.08.22"]
[Round "2"]
[White "Chirila, Ioan Cristian"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "2195"]
[PlyCount "63"]
[EventDate "2004.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Ne3 c6 7. c4 Qg6 8. Nc3 Nf6 9. Be2 Be7 10. 0-0 0-0 11. f3 exf3 12. Bxf3 Na6 13. Re1 Qf7 14. a3 Nc7 15. d5 c5 16. Qc2 g6 17. b4 b6 18. Bb2 Bd7 19. Rf1 Qe8 20. Ne4 Nxe4 21. Bxe4 Bg5 22. Rae1 Rxf1+ 23. Nxf1 Bf4 24. Re2 Be5 25. Bxe5 Qxe5 26. Bxg6 Qd4+ 27. Kh1 hxg6 28. Qxg6+ Qg7 29. Qxg7+ Kxg7 30. Re7+ Kg6 31. Rxd7 Rf8 32. Kg1 1-0

[Event "Miercurea Ciuc-B 7th"]
[Site "Miercurea Ciuc"]
[Date "2004.08.22"]
[Round "3"]
[White "Karsdorp, Nico"]
[Black "Szakats, Stefan"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "46"]
[EventDate "2004.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Nbd2 cxd4 7. Bc4 Qa5 8. cxd4 e6 9. 0-0 Be7 10. Qb3 Qb4 11. Ne5 0-0 12. Nxg4 Nxg4 13. Qh3 Nf6 14. a3 Qd6 15. Nf3 Nbd7 16. Bd3 Rfd8 17. Bd2 Nf8 18. Rfe1 Nd5 19. g3 Bf6 20. Ne5 g6 21. Qg4 Bg7 22. h4 Nf6 23. Qf3 Qd5 1/2-1/2

[Event "Miercurea Ciuc-B 7th"]
[Site "Miercurea Ciuc"]
[Date "2004.08.21"]
[Round "1"]
[White "Fuhrmann, Max"]
[Black "Karsdorp, Nico"]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "114"]
[EventDate "2004.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. Bd3 g6 6. 0-0 Bg7 7. c3 Nc6 8. Bg5 0-0 9. Nbd2 Qc7 10. Re1 e5 11. Nxe5 Nxe5 12. dxe5 Ng4 13. Nf3 Nxe5 14. Bf4 Nxf3+ 15. Qxf3 Qb6 16. Re2 Be6 17. Rae1 Rac8 18. Be3 Qa5 19. a3 a6 20. Qf4 Qc7 21. Qxc7 Rxc7 22. Bf4 Rd7 23. Be5 Rc8 24. Bb1 Bxe5 25. Rxe5 d4 26. cxd4 Rxd4 27. f3 Rd2 28. b4 Rc3 29. a4 Ra3 30. Be4 Rd7 31. Bc2 Ra2 32. Bd1 Rdd2 33. R5e2 Rxd1 34. Rxe6 Rxe1+ 35. Rxe1 Rxa4 36. Rb1 Ra2 37. h3 h5 38. Rd1 Rb2 39. Rd4 Kg7 40. Rf4 g5 41. Rd4 Kg6 42. Rd6+ f6 43. Rb6 a5 44. Rxb7 axb4 45. Rb5 h4 46. Kh2 b3 47. Kg1 Rb1+ 48. Kf2 b2 49. Rb4 Kf5 50. Rb8 Ke5 51. Re8+ Kd4 52. Rd8+ Kc5 53. Rc8+ Kb6 54. Rb8+ Kc6 55. Rb3 f5 56. Rb4 Kc5 57. Rb8 Kd4 1/2-1/2

[Event "Groningen Harmonie op-A"]
[Site "Groningen"]
[Date "2003.12.27"]
[Round "6"]
[White "Weingarten, Arnulf"]
[Black "Karsdorp, Nico"]
[Result "0-1"]
[ECO "C40"]
[PlyCount "34"]
[EventDate "2003.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 097 Extra"]
[Source "ChessBase"]
[SourceDate "2004.01.13"]
[SourceVersion "1"]
[SourceVersionDate "2004.01.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 d5 5. Qh5+ g6 6. Nxg6 hxg6 7. Qxg6+ Kd7 8. Bxd5 Nf6 9. d4 Nxd5 10. c4 Bb4+ 11. Kd1 Nf6 12. Bg5 Rf8 13. a3 Be7 14. Nc3 Rg8 15. Qf5+ Ke8 16. Qe5 Nc6 17. Qf4 Nxd4 0-1

[Event "Groningen Harmonie op-A"]
[Site "Groningen"]
[Date "2003.12.22"]
[Round "2"]
[White "Clemens, Adrian HP"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2251"]
[PlyCount "73"]
[EventDate "2003.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 097 Extra"]
[Source "ChessBase"]
[SourceDate "2004.01.13"]
[SourceVersion "1"]
[SourceVersionDate "2004.01.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. Nf3 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 a5 10. Be2 Nd7 11. 0-0 h6 12. Rfe1 0-0 13. Bf1 b6 14. Ne5 Nxe5 15. dxe5 Qe7 16. Rad1 Qb4 17. a3 Qa4 18. Qe3 c5 19. Rd6 Rb8 20. Red1 Ba6 21. Qd3 Rfc8 22. Rd2 Qe8 23. g3 Rc7 24. a4 g6 25. Qb3 Rc6 26. Rd7 Kg7 27. Qf3 Rcc8 28. Qf6+ Kg8 29. Re7 Qf8 30. Rdd7 Qg7 31. Rxf7 Qxf6 32. exf6 Rd8 33. Rg7+ Kf8 34. Rdf7+ Ke8 35. Re7+ Kf8 36. Rh7 Kg8 37. Reg7+ 1-0

[Event "Miercurea Ciuc Banc Post op"]
[Site "Miercurea Ciuc"]
[Date "2001.09.28"]
[Round "7"]
[White "Karsdorp, Nico"]
[Black "Burnoiu, Nicolae Costin"]
[Result "0-1"]
[ECO "E14"]
[BlackElo "2262"]
[PlyCount "50"]
[EventDate "2001.09.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. e3 Bb7 5. Nc3 d5 6. b3 Nbd7 7. Bb2 Be7 8. Qc2 0-0 9. Bd3 c5 10. cxd5 exd5 11. Ne5 g6 12. f4 Rc8 13. 0-0 cxd4 14. exd4 Ne4 15. Bxe4 dxe4 16. Qd2 Nxe5 17. fxe5 Bg5 18. Qf2 e3 19. Qg3 e2 20. Nxe2 Rc2 21. Ba3 Rxe2 22. Bxf8 Qxd4+ 23. Kh1 Rxg2 24. Qxg2 Bxg2+ 25. Kxg2 Kxf8 0-1

[Event "Miercurea Ciuc Banc Post op"]
[Site "Miercurea Ciuc"]
[Date "2001.09.27"]
[Round "6"]
[White "Tuchila, Vasile"]
[Black "Karsdorp, Nico"]
[Result "1/2-1/2"]
[ECO "C40"]
[WhiteElo "2057"]
[PlyCount "140"]
[EventDate "2001.09.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. d4 fxe4 4. Nxe5 Nf6 5. Bc4 d5 6. Bb5+ c6 7. Be2 Bd6 8. Nc3 0-0 9. Bg5 Be6 10. Ng4 Nbd7 11. Qd2 Qc7 12. h3 Rf7 13. 0-0-0 Raf8 14. f3 Nxg4 15. hxg4 exf3 16. gxf3 h6 17. Be3 Nb6 18. Kb1 Bf4 19. g5 hxg5 20. Bxf4 Qxf4 21. Bd3 Bf5 22. Qg2 Bxd3 23. Rxd3 Rf6 24. Rg1 Nc4 25. Ne2 Qf5 26. b3 Nd6 27. Ng3 Qg6 28. Rh1 Nf5 29. Nh5 Re6 30. Qh3 Rfe8 31. Rd2 Re1+ 32. Kb2 Rxh1 33. Qxh1 Re6 34. Qh2 Qf7 35. Ng3 Nxg3 36. Qxg3 Qe8 37. Qxg5 Qe7 38. Qg4 b6 39. Rg2 Qf7 40. Rh2 Qf6 41. Rh5 g6 42. Rh2 c5 43. c3 cxd4 44. cxd4 Rc6 45. Re2 Rc7 46. Re5 Qc6 47. Qe6+ Qxe6 48. Rxe6 Kh7 49. Rd6 Rf7 50. Rxd5 Rxf3 51. Rd7+ Kh6 52. Rxa7 g5 53. Kc2 g4 54. Ra8 Kg7 55. Re8 Rf2+ 56. Kd3 g3 57. Re3 g2 58. Rg3+ Kf6 59. a4 Kf5 60. Rg8 Kf4 61. Kc4 Kf3 62. d5 Rd2 63. b4 Kf2 64. Rf8+ Ke1 65. Rg8 Kf2 66. a5 bxa5 67. bxa5 Ra2 68. d6 Rxa5 69. d7 Ra4+ 70. Kc5 Ra5+ 1/2-1/2

[Event "Miercurea Ciuc Banc Post op"]
[Site "Miercurea Ciuc"]
[Date "2001.09.24"]
[Round "3"]
[White "Karsdorp, Nico"]
[Black "Chirila, Radu Catalin"]
[Result "0-1"]
[ECO "C07"]
[BlackElo "2247"]
[PlyCount "120"]
[EventDate "2001.09.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. exd5 Qxd5 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 Bd7 11. c3 Qc7 12. Qe2 0-0-0 13. Nb5 Bxb5 14. Bxb5 Bd6 15. h3 Bh2+ 16. Kh1 Bf4 17. Be3 a6 18. Ba4 Nd5 19. Rad1 Nxe3 20. fxe3 Be5 21. Bb3 Rxd1 22. Rxd1 Rd8 23. Rxd8+ Qxd8 24. Qh5 Qf6 25. Qf3 Qh4 26. g4 Bc7 27. Kg2 Qe7 28. Qd1 Qc5 29. Kf2 Qe5 30. Qf3 Qh2+ 31. Qg2 Qd6 32. Qf3 Qh2+ 33. Qg2 Bg3+ 34. Kf3 Qxg2+ 35. Kxg2 Be1 36. Bc2 h6 37. c4 Kd7 38. Kf3 Kd6 39. Be4 b6 40. Bb7 a5 41. Ke2 Bh4 42. Kd3 Ke5 43. Bf3 Be7 44. Bc6 Bc5 45. Be8 f5 46. Bf7 Kf6 47. Be8 fxg4 48. hxg4 Kg5 49. Bd7 Kxg4 50. Bxe6+ Kf3 51. e4 g5 52. Bf7 g4 53. Bh5 Kf4 54. Ke2 Bd4 55. b3 Kg5 56. Bf7 h5 57. Kf1 h4 58. Kg2 h3+ 59. Kg3 Be5+ 60. Kf2 g3+ 0-1

[Event "Groningen SO ON op A"]
[Site "Groningen"]
[Date "2001.??.??"]
[Round "3.22"]
[White "Karsdorp, Nico"]
[Black "Lulof, Jan"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1842"]
[BlackElo "1965"]
[PlyCount "23"]
[EventDate "2001.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Nbd2 cxd4 7. Bc4 Qh5 8. Qb3 Bc8 9. cxd4 e6 10. Ne5 Bd6 11. Be2 Qf5 12. g4 1-0

[Event "Groningen SO ON op A"]
[Site "Groningen"]
[Date "2001.??.??"]
[Round "7.9"]
[White "Karsdorp, Nico"]
[Black "Wissmann, Dolf"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "1842"]
[BlackElo "2070"]
[PlyCount "58"]
[EventDate "2001.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Be3 c6 7. Bd3 b5 8. e5 Ng4 9. Bg1 Na6 10. h3 Nh6 11. g4 f6 12. Be3 Nb4 13. Be2 Be6 14. Qd2 fxe5 15. fxe5 Nf7 16. exd6 Nxd6 17. Ng5 Nc4 18. Nxe6 Nxd2 19. Nxd8 Nf3+ 20. Bxf3 Rxf3 21. Nxc6 Nxc2+ 22. Kd2 Nxe3 23. Nxb5 Nd5 24. Rae1 Rf2+ 25. Kc1 Rc8 26. Nbxa7 Rc7 27. Kb1 Rb7 28. b3 Nc3+ 29. Kc1 Bh6+ 0-1

[Event "Groningen SO ON op A"]
[Site "Groningen"]
[Date "2001.??.??"]
[Round "6.9"]
[White "Knol, Geon"]
[Black "Karsdorp, Nico"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1853"]
[BlackElo "1842"]
[PlyCount "32"]
[EventDate "2001.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. d4 e6 5. Nf3 Nd7 6. Bc4 N7f6 7. 0-0 Be7 8. Ne5 0-0 9. f4 c5 10. Nxd5 exd5 11. Be2 cxd4 12. Qxd4 Bf5 13. Nd3 Rc8 14. c3 Re8 15. Kh1 Bd6 16. Bf3 Rc4 0-1

[Event "Santa Flavia op"]
[Site "Santa Flavia"]
[Date "1997.??.??"]
[Round "?"]
[White "Farina, Saverio"]
[Black "Karsdorp, Nico"]
[Result "1/2-1/2"]
[ECO "A50"]
[WhiteElo "2170"]
[PlyCount "59"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ITA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. a3 b6 4. Nc3 Bb7 5. d5 d6 6. e4 Nbd7 7. Nge2 e5 8. Ng3 g6 9. Be2 Bg7 10. Be3 a6 11. a4 a5 12. Qd2 h5 13. h4 Nc5 14. Ra3 Bc8 15. Bg5 Bd7 16. Qd1 Qc8 17. f3 0-0 18. Qd2 Kh7 19. 0-0 Ng8 20. Bd1 f6 21. Be3 Bh6 22. Bc2 Bxe3+ 23. Qxe3 Nh6 24. Raa1 Kg7 25. Rf2 Qe8 26. Nb5 Rc8 27. Na7 Ra8 28. Nb5 Rc8 29. Na7 Ra8 30. Nb5 1/2-1/2

[Event "Santa Flavia op"]
[Site "Santa Flavia"]
[Date "1997.??.??"]
[Round "?"]
[White "Karsdorp, Nico"]
[Black "Botham, Christopher Paul"]
[Result "0-1"]
[ECO "D85"]
[BlackElo "2095"]
[PlyCount "68"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ITA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. d4 0-0 8. Be3 c5 9. Be2 b6 10. 0-0 Bb7 11. Qc2 cxd4 12. cxd4 Nc6 13. Rad1 e6 14. Rd2 Rc8 15. Qb1 Na5 16. Rc2 Rxc2 17. Qxc2 Qd7 18. Qd3 Rc8 19. Rc1 Rxc1+ 20. Bxc1 Qc6 21. Bd2 Qxe4 22. Bxa5 Qxd3 23. Bxd3 bxa5 24. Ne5 Bd5 25. a4 f6 26. Nd7 Kf7 27. Bb5 Ke7 28. Nc5 f5 29. Nd3 Bxd4 30. Kf1 e5 31. f3 Kd6 32. Ke2 Bc6 33. Bxc6 Kxc6 34. Kd2 Kd5 0-1

[Event "Santa Flavia op"]
[Site "Santa Flavia"]
[Date "1997.??.??"]
[Round "?"]
[White "Karsdorp, Nico"]
[Black "Cerrato, Roberto"]
[Result "1-0"]
[ECO "C07"]
[PlyCount "103"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ITA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 dxe4 6. Nxe4 Bd7 7. Bd3 Nc6 8. Nb5 Bc8 9. Bg5 Nf6 10. 0-0 a6 11. Nbc3 Be7 12. f4 Bd7 13. Bxf6 Bxf6 14. Nxf6+ Qxf6 15. Ne4 Qd4+ 16. Kh1 0-0-0 17. c3 Qd5 18. Qe2 f5 19. Ng5 Rdf8 20. Bc4 Qd6 21. Rad1 Qe7 22. Bxe6 Bxe6 23. Qxe6+ Qxe6 24. Nxe6 Rf7 25. Ng5 Re7 26. Rfe1 h6 27. Rxe7 Nxe7 28. Nf7 Rf8 29. Ne5 Re8 30. Kg1 Ng8 31. Kf2 Nf6 32. Kf3 Re6 33. h3 Rb6 34. b3 Re6 35. c4 Re7 36. c5 Kc7 37. b4 Re6 38. a4 Kc8 39. Nf7 Kc7 40. Nd6 g6 41. Rd4 Kc6 42. Nf7 Kc7 43. Nxh6 Ne4 44. Nf7 a5 45. Ng5 Nxg5+ 46. fxg5 axb4 47. Rxb4 Kc6 48. Rb6+ Kd7 49. Rxb7+ Kc8 50. Rb6 Re4 51. Rxg6 Rxa4 52. Rf6 1-0

[Event "Santa Flavia op"]
[Site "Santa Flavia"]
[Date "1997.??.??"]
[Round "?"]
[White "Karsdorp, Nico"]
[Black "Galioto, Giovanni"]
[Result "1-0"]
[ECO "C05"]
[PlyCount "43"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ITA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Qb6 8. g3 cxd4 9. cxd4 Bb4+ 10. Kf2 f6 11. Kg2 fxe5 12. fxe5 0-0 13. Bd3 Kh8 14. Bc2 Be7 15. Qd3 g6 16. a3 Qd8 17. h4 Rg8 18. h5 Nf8 19. Bh6 Bd7 20. Bxf8 Qxf8 21. hxg6 h6 22. Qe3 1-0

[Event "Santa Flavia op"]
[Site "Santa Flavia"]
[Date "1997.??.??"]
[Round "?"]
[White "Karsdorp, Nico"]
[Black "Imperor, Michel"]
[Result "1/2-1/2"]
[ECO "C44"]
[PlyCount "84"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ITA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 Nxe4 5. d5 Ne7 6. Nxe5 Ng6 7. Nd3 Be7 8. Nd2 Nxd2 9. Bxd2 0-0 10. g3 Re8 11. Bg2 Bg5+ 12. Kf1 d6 13. h4 Bf6 14. h5 Ne5 15. Nxe5 Bxe5 16. Rh4 Bf6 17. Re4 Rxe4 18. Bxe4 Bh3+ 19. Kg1 Qd7 20. h6 g6 21. Qf3 Bh8 22. Bg5 Re8 23. Bd3 Qg4 24. Qxg4 Bxg4 25. Be3 Bd7 26. Bf1 f5 27. Rd1 Bf6 28. Rd2 Kf7 29. Be2 a5 30. Bf3 b5 31. a3 Re7 32. Kg2 Kf8 33. Kf1 g5 34. Bh5 Be8 35. Be2 g4 36. Bf4 Kf7 37. f3 gxf3 38. Bxf3 Kg8 39. Be2 Bd7 40. Bf3 Kh8 41. Bh5 Re4 42. Bf3 Re7 1/2-1/2

[Event "Santa Flavia op"]
[Site "Santa Flavia"]
[Date "1997.??.??"]
[Round "?"]
[White "Ljubisavljevic, Zivojin Z"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2275"]
[PlyCount "69"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ITA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 Nbd7 6. 0-0 0-0 7. b3 b6 8. cxd5 exd5 9. Nc3 Bb7 10. Bf4 a6 11. Ne5 Ne4 12. Nxe4 dxe4 13. Rc1 Nxe5 14. Bxe5 c5 15. dxc5 Bxc5 16. e3 Qe7 17. Rxc5 Qxc5 18. Bd6 Qa5 19. Bxf8 Rxf8 20. Qd4 Qxa2 21. Qxb6 Bd5 22. b4 Bc4 23. Rc1 Bd3 24. Qd4 Qd2 25. Ra1 Qc2 26. h4 h6 27. g4 Rc8 28. g5 hxg5 29. hxg5 Rc4 30. Qd5 Rc8 31. g6 Rf8 32. b5 Bxb5 33. Bxe4 Qe2 34. gxf7+ Kh8 35. Qf5 1-0

[Event "Groningen SC op"]
[Site "Groningen"]
[Date "1996.??.??"]
[Round "3"]
[White "Van der Meer, Heine"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "43"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Nc3 Qg6 7. Be3 Nf6 8. Qd2 Be7 9. 0-0-0 0-0 10. h3 Bd7 11. g4 b5 12. Ne5 dxe5 13. dxe5 Nxg4 14. hxg4 Qe6 15. Qd4 c5 16. Qxe4 Nc6 17. Qxh7+ Kf7 18. Qh5+ g6 19. Qh7+ Ke8 20. Nxb5 Qxe5 21. Qxg6+ Rf7 22. Bc4 1-0

[Event "Groningen op-B"]
[Site "Groningen"]
[Date "1995.??.??"]
[Round "5"]
[White "Karsdorp, Nico"]
[Black "Van Hamond, Fons"]
[Result "0-1"]
[ECO "A25"]
[PlyCount "48"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. d3 h6 6. h4 d6 7. b4 Nxb4 8. Qa4+ Nc6 9. Bxc6+ bxc6 10. Qxc6+ Bd7 11. Qf3 Rb8 12. e4 g6 13. Nd5 Bg7 14. Ne2 0-0 15. Bd2 Ng4 16. exf5 Bxf5 17. 0-0-0 Be6 18. Qe4 Nxf2 19. Qxg6 Bf5 20. Bg5 Bxg6 21. Bxd8 Rfxd8 22. Nxc7 Bxd3 23. Rxd3 Nxd3+ 24. Kc2 e4 0-1

[Event "Multicoop op"]
[Site "Budapest"]
[Date "1992.??.??"]
[Round "1"]
[White "Afek, Yochanan"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "2340"]
[PlyCount "47"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. h3 Bh5 6. Be2 e6 7. 0-0 Be7 8. c4 Nb6 9. Nc3 Nc6 10. exd6 cxd6 11. d5 Bxf3 12. Bxf3 exd5 13. Nxd5 Nxd5 14. Bxd5 0-0 15. Bf4 Qb6 16. Re1 Rfe8 17. Qh5 g6 18. Bxf7+ Kxf7 19. Qxh7+ Kf6 20. h4 Ne5 21. Be3 Qd8 22. f4 Nc6 23. f5 gxf5 24. Bg5# 1-0

[Event "Multicoop op"]
[Site "Budapest"]
[Date "1992.??.??"]
[Round "9"]
[White "Karsdorp, Nico"]
[Black "Bolyai, Istvan"]
[Result "1/2-1/2"]
[ECO "C44"]
[PlyCount "62"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 d6 4. d4 exd4 5. cxd4 Bg4 6. Be2 Nf6 7. Nc3 Be7 8. 0-0 0-0 9. Be3 Re8 10. Rc1 Bf8 11. Bd3 a6 12. a3 Bh5 13. h3 Bg6 14. Qc2 Qe7 15. Bg5 Qd7 16. Rfe1 Bh5 17. d5 Ne5 18. Nxe5 dxe5 19. Ne2 Rac8 20. Ng3 Bg6 21. Qe2 Kh8 22. Rc3 Ng8 23. Rec1 f6 24. Bd2 Ne7 25. R3c2 c6 26. dxc6 Nxc6 27. Bc3 Bc5 28. b4 Bd4 29. Be1 Ba7 30. Bc3 Bd4 31. Be1 Ba7 1/2-1/2

[Event "Multicoop op"]
[Site "Budapest"]
[Date "1992.??.??"]
[Round "6"]
[White "Karsdorp, Nico"]
[Black "Winkler, Wolfgang"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "40"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Be3 Bg7 4. Bc4 Nf6 5. Nc3 a6 6. f3 b5 7. Bb3 Bb7 8. Nge2 Nbd7 9. Qd2 c5 10. dxc5 dxc5 11. Bd5 Bxd5 12. exd5 0-0 13. 0-0 Ne8 14. Rad1 Nd6 15. b3 c4 16. Ne4 cxb3 17. cxb3 Rc8 18. Rc1 Rxc1 19. Rxc1 Nxe4 20. fxe4 Nf6 1/2-1/2

[Event "Multicoop op"]
[Site "Budapest"]
[Date "1992.??.??"]
[Round "7"]
[White "Szekeres, Tibor"]
[Black "Karsdorp, Nico"]
[Result "1-0"]
[ECO "D09"]
[WhiteElo "2220"]
[PlyCount "47"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Be6 6. b3 Qd7 7. Bg2 Bb4+ 8. Bd2 0-0-0 9. 0-0 Nge7 10. Ng5 Bxd2 11. Nxe6 fxe6 12. Nxd2 Nxe5 13. b4 Kb8 14. Qb3 h5 15. Ne4 b6 16. a4 h4 17. a5 Nc8 18. Nc5 bxc5 19. bxc5+ Nb6 20. axb6 cxb6 21. cxb6 Nc6 22. bxa7+ Kc7 23. c5 Ra8 24. Qb6+ 1-0

