[Event "Vienna op 16th"]
[Site "Vienna"]
[Date "2009.08.16"]
[Round "2"]
[White "Wittmann, Walter"]
[Black "Harmsen, Klaas Jaap"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "2274"]
[BlackElo "2132"]
[PlyCount "49"]
[EventDate "2009.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 e5 7. Nf3 Be7 8. Bc4 0-0 9. 0-0 Be6 10. Bb3 h6 11. Qe2 a6 12. Rfd1 Qc8 13. Na4 Bxb3 14. Nb6 Qe6 15. axb3 Rad8 16. Nd5 Rd7 17. Qd3 Bd8 18. Nd2 Ne7 19. Nxf6+ Qxf6 20. c4 Qg6 21. c5 d5 22. Nc4 Bc7 23. exd5 Qxd3 24. Rxd3 Rxd5 25. Rad1 1/2-1/2

[Event "PKS op-B"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "De Pooter, Ronald"]
[Black "Harmsen, Klaas Jaap"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "125"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 e6 4. e4 c5 5. Nf3 cxd4 6. Nxd4 Nc6 7. Ndb5 Be5 8. f4 a6 9. Nd6+ Bxd6 10. Qxd6 Qe7 11. c5 Nb4 12. Kd1 Qxd6+ 13. cxd6 Nf6 14. a3 Nc6 15. h3 b5 16. g4 Bb7 17. Bg2 Nd4 18. Be3 Nb3 19. Rb1 Bc6 20. Kc2 Na5 21. Bd4 0-0 22. Bxf6 Nc4 23. Rhe1 Nxd6 24. Be7 Bxe4+ 25. Bxe4 Nxe4 26. Nxe4 Rfc8+ 27. Kd2 d5 28. Nf6+ Kg7 29. g5 Rc4 30. Bd6 h6 31. h4 h5 32. Rbc1 Ra7 33. Rxc4 bxc4 34. Be5 Kf8 35. Rb1 Rb7 36. Kc2 Rb3 37. Nd7+ Ke8 38. Nc5 Rh3 39. Nxa6 Rxh4 40. a4 Kd7 41. a5 Kc6 42. Nb8+ Kb7 43. a6+ Ka8 44. Ra1 d4 45. Rd1 Rh2+ 46. Rd2 Rxd2+ 47. Kxd2 h4 48. Nc6 h3 49. f5 exf5 50. Nxd4 Ka7 51. Nc6+ Kxa6 52. Nd8 Kb5 53. Nxf7 Kc5 54. Nh8 Kd5 55. Nxg6 Ke4 56. Ke2 Kd5 57. Kf3 Ke6 58. Bh2 Kf7 59. Nf4 Kg7 60. Nxh3 Kg6 61. Kf4 Kh5 62. Kxf5 Kh4 63. g6 1-0

[Event "PKS op-B"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "Harmsen, Klaas Jaap"]
[Black "Colsen, Manuel"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "66"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. b4 e6 2. Bb2 Nf6 3. a3 b6 4. c4 Bb7 5. e3 c5 6. b5 d5 7. Nf3 Nbd7 8. Be2 Qc7 9. Qc2 g6 10. d3 Bg7 11. Ng5 0-0 12. cxd5 exd5 13. Nd2 h6 14. Ngf3 Rfe8 15. Nh4 Ne5 16. h3 Rac8 17. f4 Ned7 18. f5 Qg3+ 19. Kd1 Qxh4 20. fxg6 fxg6 21. Nf1 Qf2 22. e4 dxe4 23. dxe4 Nxe4 24. Bxg7 Kxg7 25. Ra2 Ne5 26. Qb3 Rcd8+ 27. Nd2 Rxd2+ 28. Rxd2 Nxd2 29. Qc3 Ne4 30. Qb2 Rd8+ 31. Kc1 Qe3+ 32. Kb1 Nc3+ 33. Ka1 Rd2 0-1

[Event "PKS op-B"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "6"]
[White "Harmsen, Klaas Jaap"]
[Black "Paauwe, Johan"]
[Result "1/2-1/2"]
[ECO "E91"]
[PlyCount "83"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Bg4 6. Be2 Bxf3 7. Bxf3 c6 8. b4 0-0 9. 0-0 Qc7 10. Re1 Nbd7 11. Rb1 e5 12. Be3 a6 13. Qb3 Rab8 14. Be2 Ne8 15. d5 c5 16. b5 Nef6 17. a4 Ra8 18. b6 Qc8 19. a5 Ne8 20. Bg4 Qd8 21. Qa4 Ndf6 22. Bh3 h5 23. Bg5 Kh7 24. Qd1 Bh6 25. Bxh6 Kxh6 26. Qd2+ Kg7 27. Re3 Nh7 28. Rg3 Qh4 29. Re1 Qf4 30. Qxf4 exf4 31. Rf3 g5 32. Bf5 f6 33. g3 fxg3 34. hxg3 Kh6 35. Kg2 Ng7 36. Bxh7 Kxh7 37. Rh1 Kg6 38. Re3 Rae8 39. f4 Re7 40. Nd1 Rfe8 41. Rhe1 g4 42. Nf2 1/2-1/2

[Event "PKS op-B"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "Harmsen, Klaas Jaap"]
[Black "Rikumahu, F."]
[Result "1/2-1/2"]
[ECO "D43"]
[PlyCount "52"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. a3 Bd6 6. Bg5 Nbd7 7. e3 0-0 8. e4 dxe4 9. Nxe4 Be7 10. Bd3 Nxe4 11. Bxe7 Nxf2 12. Bxd8 Nxd1 13. Rxd1 Rxd8 14. 0-0 f6 15. Rfe1 Nf8 16. Re4 b6 17. Rd2 Bb7 18. c5 bxc5 19. dxc5 Rd5 20. b4 Rad8 21. Re3 Kh8 22. Kf2 e5 23. Ke1 Bc8 24. Bc4 Rxd2 25. Nxd2 Be6 26. Rd3 Rxd3 1/2-1/2

[Event "PKS op-B"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "Harmsen, Klaas Jaap"]
[Black "Van Eekhout, Max"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "38"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. d3 Nc6 5. Nbd2 g6 6. d4 cxd4 7. Nxd4 Bg7 8. Bd3 0-0 9. N2f3 e5 10. Nc2 d5 11. Bg5 dxe4 12. Bxf6 Bxf6 13. Bxe4 Qb6 14. Rb1 Be6 15. b3 Rad8 16. Qe2 Rd6 17. Ne3 Rfd8 18. 0-0 Qc7 19. Rbd1 Qe7 1/2-1/2

[Event "PKS op-B"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "Van Gemert, Jean Pierre"]
[Black "Harmsen, Klaas Jaap"]
[Result "1/2-1/2"]
[ECO "D11"]
[PlyCount "75"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 g6 3. c4 c6 4. Bg5 h6 5. Bh4 Bg7 6. e3 Nf6 7. Nc3 g5 8. Bg3 Bg4 9. cxd5 cxd5 10. Qa4+ Bd7 11. Qc2 Nc6 12. a3 a6 13. Bd3 Qc8 14. Rc1 b5 15. Qb1 Qb7 16. 0-0 b4 17. axb4 Nxb4 18. Bc2 Nxc2 19. Qxc2 Rc8 20. Qd2 Bf5 21. Ne5 0-0 22. f3 Nh5 23. Bf2 e6 24. Na4 Qb5 25. Rxc8 Rxc8 26. Nc3 Qb8 27. g4 Bxe5 28. dxe5 Qxe5 29. gxh5 Bh3 30. Bg3 Qf5 31. Rf2 Rxc3 32. e4 dxe4 33. Qxc3 e3 34. Re2 Qxf3 35. Qc8+ Kh7 36. Qc2+ Kg8 37. Qc8+ Kh7 38. Qc2+ 1/2-1/2

[Event "PKS op-B"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "Van Nassau, Erik"]
[Black "Harmsen, Klaas Jaap"]
[Result "1-0"]
[ECO "D10"]
[PlyCount "40"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Bg4 4. Qb3 b6 5. cxd5 cxd5 6. Qxd5 Nd7 7. Nb5 Rc8 8. Qe4 Ndf6 9. Qd3 e6 10. Nxa7 Bf5 11. Qb5+ Nd7 12. Nxc8 Qxc8 13. Nf3 Ngf6 14. Bg5 Ne4 15. Rc1 Qb7 16. Bf4 Bd6 17. Bxd6 Nxd6 18. Qc6 Qxc6 19. Rxc6 Ne4 20. Rc8+ Ke7 1-0

[Event "Soest op"]
[Site "Soest"]
[Date "2001.05.27"]
[Round "6.19"]
[White "Harmsen, Klaas Jaap"]
[Black "Bakker, Joop"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2000"]
[BlackElo "1966"]
[PlyCount "81"]
[EventDate "2001.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 d6 4. Bg2 g6 5. Nc3 Bg7 6. Nf3 0-0 7. 0-0 e6 8. Re1 Qe7 9. e4 fxe4 10. Nxe4 Nc6 11. Bg5 Qf7 12. Qd2 Nxe4 13. Rxe4 e5 14. dxe5 Bf5 15. e6 Bxe6 16. Rae1 Bxc4 17. Be7 Rfe8 18. Ng5 Qd5 19. Qf4 Qf5 20. Qxf5 gxf5 21. Rxc4 Rxe7 22. Rxe7 Nxe7 23. Rxc7 Bf6 24. Ne6 Kf7 25. Nf4 Rc8 26. Bd5+ Ke8 27. Rxc8+ Nxc8 28. Bxb7 Nb6 29. b3 Ke7 30. Kf1 Bd4 31. Ke2 Nd7 32. Bc8 Nc5 33. Bxf5 h6 34. Nd5+ Kf7 35. f4 a5 36. h4 Na6 37. Ne3 Nb4 38. a3 Na6 39. h5 Bb2 40. Nc4 Bc3 41. Nxd6+ 1-0

[Event "Soest op"]
[Site "Soest"]
[Date "2001.05.27"]
[Round "7.14"]
[White "Vroombout, Enrico"]
[Black "Harmsen, Klaas Jaap"]
[Result "0-1"]
[ECO "E98"]
[WhiteElo "2141"]
[BlackElo "2000"]
[PlyCount "56"]
[EventDate "2001.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. c4 Nf6 4. Nc3 Bg7 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Ne8 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. a4 h5 14. a5 Rf7 15. c5 Bf8 16. a6 b6 17. cxb6 cxb6 18. Nc2 Rg7 19. Nb4 g4 20. Bh4 Qc7 21. Nc6 Ng6 22. Bd8 Qf7 23. fxg4 hxg4 24. Bxg4 Bxg4 25. Qxg4 Ne7 26. Qd7 Nxc6 27. dxc6 Qg6 28. Qh3 Rxd8 0-1

[Event "Soest op"]
[Site "Soest"]
[Date "2001.05.26"]
[Round "4.23"]
[White "Harmsen, Klaas Jaap"]
[Black "Muhren, Bianca"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "2000"]
[BlackElo "1990"]
[PlyCount "62"]
[EventDate "2001.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 a5 10. Ba3 b6 11. bxa5 Rxa5 12. Bb4 Ra8 13. a4 Ne8 14. Nd2 f5 15. f3 f4 16. a5 bxa5 17. Rxa5 Rb8 18. Rb5 Bd7 19. Rxb8 Qxb8 20. Nb5 g5 21. Nb3 h5 22. Qd3 Rf6 23. c5 g4 24. cxd6 Nxd6 25. Bxd6 cxd6 26. Nd2 g3 27. Nc3 h4 28. Rb1 Qa7+ 29. Kh1 h3 30. Bf1 Rh6 31. gxh3 Bxh3 0-1

[Event "Soest op"]
[Site "Soest"]
[Date "2001.05.26"]
[Round "3.6"]
[White "Hoogendoorn, Joost"]
[Black "Harmsen, Klaas Jaap"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2391"]
[BlackElo "2000"]
[PlyCount "53"]
[EventDate "2001.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. g3 Bg7 4. Bg2 Nf6 5. Nc3 0-0 6. h3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Be3 Na6 10. Nge2 e5 11. g4 Be6 12. g5 Nd7 13. 0-0-0 Nb6 14. b3 c4 15. Kb2 Bf8 16. Nd5 Bxd5 17. exd5 Nc5 18. Nc3 Rac8 19. h4 a6 20. h5 Rc7 21. Rh4 cxb3 22. axb3 Nc8 23. hxg6 fxg6 24. Rdh1 b5 25. Bxc5 Bxc5 26. Ne4 Bd4+ 27. c3 1-0

[Event "Soest op"]
[Site "Soest"]
[Date "2001.05.26"]
[Round "5.16"]
[White "Reitsma, Feike"]
[Black "Harmsen, Klaas Jaap"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1581"]
[BlackElo "2000"]
[PlyCount "84"]
[EventDate "2001.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Nc3 0-0 6. 0-0 Bg4 7. h3 Bxf3 8. Qxf3 Nc6 9. Be3 Nd7 10. a3 Nxd4 11. Bxd4 Bxd4 12. Rad1 Ne5 13. Qe2 Bxc3 14. bxc3 Nd7 15. f4 e5 16. f5 Qh4 17. fxg6 hxg6 18. Qf3 Kg7 19. Rf2 Nc5 20. Re1 f5 21. g3 Qxh3 22. Rh2 Qg4 23. Qxg4 fxg4 24. Rh4 Rf3 25. Rxg4 Raf8 26. Rf1 Rxf1+ 27. Bxf1 Rh8 28. Bg2 Rh5 29. Rh4 Rxh4 30. gxh4 g5 31. hxg5 Kg6 32. Kf2 Kxg5 33. Ke3 Kg4 34. c4 Kg3 35. Bh1 Ne6 36. c3 Ng5 37. a4 Kh2 38. Bf3 Nxf3 39. Kxf3 Kh3 40. Ke3 Kg3 41. Ke2 Kf4 42. Kd3 c5 0-1

[Event "Soest op"]
[Site "Soest"]
[Date "2001.05.25"]
[Round "2.18"]
[White "Harmsen, Klaas Jaap"]
[Black "Smedema, Erik Jan"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2000"]
[BlackElo "1632"]
[PlyCount "55"]
[EventDate "2001.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 Nbd7 6. Nf3 e5 7. 0-0 0-0 8. d5 Nb6 9. b4 Bg4 10. Nd2 Bxe2 11. Qxe2 c6 12. c5 dxc5 13. bxc5 Nbd7 14. dxc6 Nxc5 15. cxb7 Nxb7 16. Ba3 Re8 17. Rfd1 Qa5 18. Nc4 Qa6 19. Rab1 Red8 20. Rxd8+ Rxd8 21. Be7 Rd7 22. Bxf6 Bxf6 23. Nd5 Bg7 24. Qc2 Rd8 25. g3 Kf8 26. Nce3 Na5 27. Qc7 Nc6 28. Rb7 1-0

