[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2003.07.01"]
[Round "7"]
[White "Van der Horst, Joop"]
[Black "Voge, MMP"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1437"]
[BlackElo "1424"]
[PlyCount "72"]
[EventDate "2003.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bd3 Bg7 7. 0-0 0-0 8. Nde2 Nc6 9. a3 Bd7 10. Rb1 a6 11. Nd5 e6 12. Ndc3 d5 13. exd5 exd5 14. Nf4 d4 15. Ncd5 Nxd5 16. Nxd5 Qa5 17. Nf4 Rfe8 18. b4 Qd8 19. Qf3 Ne5 20. Qxb7 Bc6 21. Qxa6 Rxa6 22. Bxa6 Qb6 23. b5 Be4 24. Rb2 Nc4 25. Rb4 Qc5 26. Nd3 Bxd3 27. cxd3 Ne5 28. Rd1 Nxd3 29. Bd2 Nxb4 30. Bxb4 Qc2 31. Rf1 d3 32. b6 d2 33. b7 d1Q 34. Be7 Be5 35. Rxd1 Qxd1+ 36. Bf1 Qe1 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2003.06.24"]
[Round "6"]
[White "Verhoogt, Erwin"]
[Black "Van der Horst, Joop"]
[Result "1-0"]
[ECO "D67"]
[WhiteElo "1644"]
[BlackElo "1437"]
[PlyCount "63"]
[EventDate "2003.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Be7 5. e3 Nbd7 6. Nc3 c6 7. Bd3 dxc4 8. Bxc4 Nd5 9. Bxe7 Qxe7 10. 0-0 0-0 11. Rc1 Nxc3 12. Rxc3 Nb6 13. Bb3 Bd7 14. e4 Rac8 15. Qc2 a5 16. a3 Na8 17. Ne5 b5 18. Nxc6 Bxc6 19. Rxc6 Rxc6 20. Qxc6 a4 21. Ba2 Nc7 22. Rc1 Rc8 23. d5 exd5 24. exd5 g6 25. d6 Qg5 26. dxc7 Qd2 27. Rf1 Qxb2 28. Bxf7+ Kg7 29. Qd7 Rf8 30. Bc4+ Kh8 31. c8Q Qxa3 32. Qd4# 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2003.06.17"]
[Round "5"]
[White "Van der Horst, Joop"]
[Black "Binnendijk, Wilfried"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1437"]
[BlackElo "1950"]
[PlyCount "59"]
[EventDate "2003.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Qb6 7. b3 cxd4 8. cxd4 Bb4+ 9. Kf1 Rc8 10. a3 Bf8 11. b4 Nge7 12. b5 Na5 13. a4 Nf5 14. g3 Be7 15. Kg2 Nc4 16. Bg5 Bxg5 17. Nxg5 Qxd4 18. Qxd4 Nxd4 19. Bxc4 Rxc4 20. Nd2 Rc2 21. Ngf3 Nxf3 22. Nxf3 Ke7 23. Rhc1 Rhc8 24. Rxc2 Rxc2 25. Nd4 Rc4 26. Nb3 b6 27. Nd2 Rc2 28. Nf3 f6 29. Nd4 Rc4 30. exf6+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2003.06.10"]
[Round "4"]
[White "Sonneveldt, Peter"]
[Black "Van der Horst, Joop"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "1647"]
[BlackElo "1437"]
[PlyCount "42"]
[EventDate "2003.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Be7 5. d3 d6 6. h3 Bd7 7. Be3 0-0 8. Qd2 a6 9. Ba4 Qc8 10. a3 Nd8 11. Bxd7 Qxd7 12. 0-0 c6 13. Na4 Qc7 14. Bb6 Qd7 15. Ba5 Qe8 16. Nb6 Rb8 17. c4 Ne6 18. Qe3 Nh5 19. d4 f6 20. Kh2 Nhf4 21. g3 Ng6 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2003.06.03"]
[Round "3"]
[White "Van der Horst, Joop"]
[Black "Hortensius, Nick"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1437"]
[BlackElo "1606"]
[PlyCount "46"]
[EventDate "2003.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Nc3 Bb4 7. Bd3 d5 8. Bd2 Bxc3 9. Bxc3 dxe4 10. Nxe5 exd3 11. cxd3 0-0 12. 0-0 Nxe5 13. Bxe5 Re8 14. Bc3 Bf5 15. Qf3 Qd5 16. Qg3 Qxd3 17. f3 Bg6 18. Rad1 Qe3+ 19. Kh1 Rad8 20. h4 Ne4 21. Qg4 Rxd1 22. fxe4 Rxf1+ 23. Kh2 Qf4+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2003.05.27"]
[Round "2"]
[White "Molsbergen, Chris"]
[Black "Van der Horst, Joop"]
[Result "0-1"]
[ECO "C66"]
[WhiteElo "1516"]
[BlackElo "1437"]
[PlyCount "50"]
[EventDate "2003.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 d6 5. d4 Bd7 6. 0-0 Be7 7. a3 0-0 8. b4 exd4 9. Nxd4 Ne5 10. h3 c5 11. Bxd7 cxd4 12. Qxd4 Qxd7 13. Bf4 Qe6 14. Nb5 Nc6 15. Qd3 Qxe4 16. Qxe4 Nxe4 17. f3 Nf6 18. Nxd6 Bxd6 19. Bxd6 Rfd8 20. Bf4 Nd4 21. Rf2 Re8 22. Kf1 Nh5 23. Bh2 Rac8 24. Rc1 f5 25. c4 f4 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2003.05.20"]
[Round "1"]
[White "Van der Horst, Joop"]
[Black "Irwin, Mark"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1437"]
[BlackElo "2203"]
[PlyCount "34"]
[EventDate "2003.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nf3 Be6 8. 0-0 Be7 9. Be3 Nbd7 10. a4 0-0 11. Qd2 Qc7 12. Ng5 Bc4 13. Bxc4 Qxc4 14. Qd3 Rac8 15. Ra3 Qxd3 16. cxd3 d5 17. exd5 Bxa3 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2002.07.02"]
[Round "7"]
[White "Van den Bosse, Bart"]
[Black "Van der Horst, Joop"]
[Result "1/2-1/2"]
[ECO "D36"]
[BlackElo "1481"]
[PlyCount "60"]
[EventDate "2002.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. cxd5 exd5 6. Bg5 Be7 7. e3 0-0 8. Bd3 Nbd7 9. Qc2 h6 10. Bh4 Re8 11. 0-0 Ng4 12. Bg3 Bg5 13. h3 Nxe3 14. fxe3 Bxe3+ 15. Kh1 Nf6 16. Rae1 Bd7 17. Nd1 Nh5 18. Bh2 Bf4 19. Rxe8+ Qxe8 20. Bxf4 Nxf4 21. Ne5 Nh5 22. Qf2 Be6 23. Qf3 Nf6 24. Qe3 Qe7 25. Qf4 Rf8 26. Qg3 g5 27. h4 Nh5 28. Qg4 Ng7 29. hxg5 Qxg5 30. Qxg5 hxg5 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2002.06.25"]
[Round "6"]
[White "Van der Horst, Joop"]
[Black "Kriek, F."]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1481"]
[BlackElo "1407"]
[PlyCount "48"]
[EventDate "2002.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bg4 7. 0-0 Be7 8. c4 c6 9. c5 0-0 10. Re1 f5 11. Be2 Bh5 12. Ne5 Bxe2 13. Qxe2 Nd7 14. Bf4 g5 15. Nxd7 Qxd7 16. Be5 Bf6 17. Bxf6 Nxf6 18. Nd2 Rae8 19. Qd3 Rxe1+ 20. Rxe1 Nh5 21. g3 g4 22. Qe3 Qg7 23. Qe7 Qf7 24. Qxf7+ Rxf7 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2002.06.18"]
[Round "5"]
[White "Telkamp, Harry"]
[Black "Van der Horst, Joop"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1643"]
[BlackElo "1481"]
[PlyCount "65"]
[EventDate "2002.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Be7 6. Be3 0-0 7. f4 Bb4 8. Bd3 d6 9. 0-0 Ng4 10. Nxc6 bxc6 11. Bf2 Nxf2 12. Kxf2 Bc5+ 13. Kg3 Qf6 14. h3 Qg6+ 15. Kh2 Qh6 16. Ne2 Bg4 17. Qe1 Be3 18. Qg3 Bxe2 19. Bxe2 Bd4 20. c3 Bf6 21. Qd3 Rab8 22. b3 Rb5 23. Rac1 Rb6 24. Rc2 Re8 25. g4 Qg6 26. g5 Bd8 27. Bf3 d5 28. Re2 Re7 29. Qd4 Rb8 30. Qxa7 Rb6 31. Qa4 h6 32. gxh6 Qxh6 33. e5 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2002.06.11"]
[Round "4"]
[White "Van der Horst, Joop"]
[Black "Plug, Arjan JH"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1481"]
[BlackElo "1843"]
[PlyCount "84"]
[EventDate "2002.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Bxe4 7. Bxe4 c6 8. 0-0 Nf6 9. Bd3 Nbd7 10. c3 Bd6 11. Re1 Qc7 12. Bg5 h6 13. Bxf6 gxf6 14. Bf5 0-0-0 15. Bh3 f5 16. g3 f4 17. Bg2 Rdg8 18. Qe2 fxg3 19. fxg3 h5 20. Nh4 Nf8 21. Nf5 Ng6 22. Nxd6+ Qxd6 23. Qe4 h4 24. Re3 hxg3 25. Rxg3 Nf4 26. Rf1 Rxg3 27. Rxf4 Rg7 28. Qe5 Qxe5 29. dxe5 Rhg8 30. Rf2 Kd7 31. Kf1 Ke7 32. Bf3 Rg5 33. h4 Rxe5 34. h5 Rf5 35. Ke2 Rg3 36. h6 Rgxf3 37. Rxf3 Rxf3 38. Kxf3 Kf6 39. Kf4 Kg6 40. Ke5 Kxh6 41. Kf6 Kh5 42. Kxf7 e5 0-1

[Event "CIF FT email"]
[Site "CServe email"]
[Date "1987.??.??"]
[Round "?"]
[White "Van der Horst, Joop"]
[Black "Pommerel Brouwer, Wim H"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "91"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "E-Mail 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e4 Nf6 4. d3 Bc5 5. Be2 d6 6. Nf3 Be6 7. 0-0 0-0 8. Nc3 a6 9. Ng5 Nd4 10. Nxe6 Nxe6 11. Nd5 c6 12. Nxf6+ Qxf6 13. Kh1 Rad8 14. Bg4 d5 15. f4 Bd4 16. c3 Ba7 17. f5 Nc7 18. Qc2 Be3 19. Rae1 d4 20. c4 Qh6 21. Qd1 Bf4 22. Bh3 c5 23. Qf3 g5 24. g4 a5 25. Bc1 Bxc1 26. Rxc1 Ne8 27. a3 Nc7 28. Kg2 f6 29. Rb1 Na8 30. b4 axb4 31. axb4 b6 32. bxc5 bxc5 33. Rb5 Rc8 34. Ra1 Rb8 35. Qe2 Nb6 36. Rxc5 Ra8 37. Rca5 Rxa5 38. Rxa5 Nd7 39. Ra7 Nc5 40. Ra5 Rc8 41. Qd1 Rb8 42. Rb5 Ra8 43. Qb1 Nxd3 44. Rb8+ Rxb8 45. Qxd3 Rb2+ 46. Kh1 0-1

[Event "CIF LM email"]
[Site "CServe email"]
[Date "1986.??.??"]
[Round "?"]
[White "Pommerel Brouwer, Wim H"]
[Black "Van der Horst, Joop"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "13"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "E-Mail 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 c6 4. cxd5 cxd5 5. Qb3 Qc7 6. Nc3 e6 7. Qa4+ 1-0

[Event "CIF LM email"]
[Site "CServe email"]
[Date "1986.??.??"]
[Round "?"]
[White "Van der Horst, Joop"]
[Black "Pommerel Brouwer, Wim H"]
[Result "1/2-1/2"]
[ECO "A46"]
[PlyCount "118"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "E-Mail 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. dxc5 e6 4. Nc3 Bxc5 5. e3 0-0 6. Nf3 d5 7. Be2 dxc4 8. 0-0 a6 9. a4 Qc7 10. Qc2 Nbd7 11. Nd1 b6 12. Qxc4 Bb7 13. b4 b5 14. Qc3 Nd5 15. Qb2 Be7 16. Bd2 Bf6 17. Nd4 bxa4 18. Rxa4 Rfc8 19. b5 N7b6 20. Ra1 Nc4 21. Bxc4 Qxc4 22. Rc1 Bxd4 23. Rxc4 Bxb2 24. Nxb2 axb5 25. Rxc8+ Rxc8 26. Nd3 Rc2 27. Rd1 f6 28. f3 Kf7 29. Nb4 Rb2 30. Nd3 Rc2 31. e4 Nc3 32. Nb4 Nxd1 33. Nxc2 e5 34. Nb4 Nb2 35. Kf2 Ke6 36. Ke2 Kd6 37. Be3 Bc8 38. Bf2 Be6 39. Kd2 Bc4 40. Nc2 Nd3 41. Bb6 b4 42. Ne3 Bb5 43. Nf5+ Kc6 44. Ba5 Kc5 45. Nxg7 Kc4 46. Nh5 b3 47. Bc3 b2 48. Bxb2 Nxb2 49. Ke3 Kc3 50. f4 Nc4+ 51. Kf2 Nd2 52. Nxf6 Bd3 53. fxe5 Nxe4+ 54. Ke3 Nxf6 55. exf6 Bg6 56. g4 Kc4 57. Kf4 Kd5 58. Kg5 Ke6 59. h4 Kf7 1/2-1/2

