[Event "NED-chT 9697"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "De Boer, Jesper"]
[Black "Duistermaat, Hans"]
[Result "1/2-1/2"]
[ECO "B52"]
[PlyCount "113"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. Nc3 g6 7. d4 Bg7 8. Be3 b6 9. 0-0 cxd4 10. Nxd4 Rc8 11. b3 Nh6 12. f3 Nxd4 13. Bxd4 Bxd4+ 14. Qxd4 f6 15. Rad1 0-0 16. Rf2 Nf7 17. Rfd2 Nd8 18. Qe3 Nc6 19. h3 Qe6 20. Qe1 Rf7 21. Kh1 g5 22. Nd5 f5 23. exf5 Qxf5 24. Re2 Ne5 25. Ne3 Qg6 26. Ng4 Nxg4 27. hxg4 e5 28. Qd2 Rf6 29. Qd5+ Qf7 30. Red2 Qxd5 31. Rxd5 Rc6 32. Kg1 Kf7 33. Kf2 Rh6 34. Ke3 Ke7 35. Ke4 Rc8 36. Re1 Rh2 37. Rd2 Rf8 38. Kd3 h5 39. gxh5 Rxh5 40. Re4 Rf7 41. Rde2 Rh8 42. Ke3 Rh1 43. Kd3 Rg1 44. Ke3 Ke6 45. Kf2 Ra1 46. Rd2 Rf6 47. Re1 Rxe1 48. Kxe1 Kf5 49. Kf2 g4 50. Re2 Rg6 51. Re4 gxf3 52. gxf3 Ke6 53. Re2 d5 54. cxd5+ Kxd5 55. Ke3 Rg1 56. Rc2 a5 57. Kd3 1/2-1/2

[Event "NED-chT 9697"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "Ellenbroek, Ton"]
[Black "Duistermaat, Hans"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2095"]
[PlyCount "77"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 Bd7 5. Re1 g6 6. c3 Bg7 7. d4 Qb6 8. Na3 cxd4 9. cxd4 Nxd4 10. Bxd7+ Kxd7 11. Ng5 Nh6 12. Be3 Qb4 13. Rc1 Rac8 14. Bd2 Rxc1 15. Qxc1 Qc5 16. Bc3 f6 17. Nh3 Rc8 18. Qd2 Ne6 19. Nc2 Nf7 20. Ne3 Bh6 21. Qd1 Bxe3 22. Rxe3 Ne5 23. Qa4+ b5 24. Qd1 h5 25. a3 Ng4 26. Re2 Qc4 27. f3 Qc5+ 28. Kh1 Ne3 29. Qd3 Nc4 30. f4 g5 31. f5 Nf4 32. Nxf4 gxf4 33. h3 Ne5 34. Qd1 f3 35. gxf3 Nxf3 36. Rg2 Ng5 37. e5 Ne4 38. e6+ Kd8 39. Ba5+ 1-0

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Brouwer, Jaap"]
[Black "Duistermaat, Hans"]
[Result "1/2-1/2"]
[ECO "D22"]
[PlyCount "111"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. 0-0 a6 7. h3 Bh5 8. Nc3 c5 9. Be2 Nc6 10. a3 cxd4 11. exd4 Be7 12. Be3 0-0 13. Rc1 Rc8 14. Qa4 Nd5 15. Nxd5 Qxd5 16. Rc3 Na7 17. Rfc1 Rxc3 18. bxc3 Qa2 19. Bc4 Qxa3 20. Qd7 b5 21. Qxa7 Bxf3 22. gxf3 bxc4 23. Qc7 Bd6 24. Qxc4 Qa5 25. Qc6 Rd8 26. Rb1 Qf5 27. Rb7 h6 28. Qb6 Qf6 29. c4 e5 30. c5 exd4 31. Bd2 Bxc5 32. Qxc5 Qxf3 33. Qc7 Re8 34. Rb8 Rxb8 35. Qxb8+ Kh7 36. Qb1+ d3 37. Be3 Qd5 38. Qc1 h5 39. Qc3 Qf5 40. Bd4 Qxh3 41. Be3 Qf5 42. Bd2 Qg4+ 43. Kh2 Qe4 44. Qa5 f5 45. Qc7 h4 46. Bc3 Qg4 47. Qd6 h3 48. Qg3 Qxg3+ 49. Kxg3 Kg6 50. Kxh3 Kg5 51. Kg3 f4+ 52. Kf3 Kf5 53. Bxg7 a5 54. Bh6 Ke5 55. Bxf4+ Kd4 56. Be5+ 1/2-1/2

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "De Rooij, Gert"]
[Black "Duistermaat, Hans"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "93"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 g6 4. e3 Bg7 5. Be2 0-0 6. 0-0 Nh5 7. Bg5 h6 8. Bh4 g5 9. Ne5 Nf6 10. Bg3 Ne4 11. f4 Nxg3 12. hxg3 Nd7 13. Nxd7 Bxd7 14. fxg5 hxg5 15. Bd3 f5 16. Qh5 e6 17. g4 Qf6 18. Nc3 Qh6 19. Qxh6 Bxh6 20. gxf5 exf5 21. Nxd5 Rae8 22. Nxc7 Rxe3 23. Nd5 Ree8 24. Rae1 f4 25. Rxe8 Bxe8 26. Ne7+ Kh8 27. Nf5 Rf6 28. Nxh6 Rxh6 29. Re1 Bd7 30. Re5 g4 31. Bf5 Rd6 32. c3 g3 33. Bxd7 Rxd7 34. Rf5 Re7 35. Kf1 Rh7 36. Rf8+ Kg7 37. Rxf4 Rh1+ 38. Ke2 Rb1 39. b4 Rb2+ 40. Kf3 Rc2 41. Re4 Rxc3+ 42. Re3 Rc7 43. Kxg3 Kf6 44. a3 Rd7 45. Rd3 Ke6 46. d5+ Ke5 47. d6 1-0

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Duistermaat, Hans"]
[Black "De Heer, Machiel"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "52"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Qxd4 Nf6 5. Nc3 Be7 6. Nd5 Nxd5 7. exd5 0-0 8. Be3 Bf6 9. Qb4 a5 10. Qa3 Na6 11. 0-0-0 Bd7 12. Nd4 Re8 13. Kb1 Nb4 14. Qb3 c6 15. dxc6 bxc6 16. a3 c5 17. axb4 cxd4 18. Bd2 axb4 19. Bc4 Qa5 20. Bxf7+ Kf8 21. Qa2 Re5 22. Bxb4 Qxb4 23. Qxa8+ Kxf7 24. Qa7 Re7 25. Rd3 Ba4 26. Qa8 Bxc2+ 0-1

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Duistermaat, Hans"]
[Black "Grotenhuis, Gerard"]
[Result "1-0"]
[ECO "C63"]
[PlyCount "73"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d4 exd4 5. exf5 Nf6 6. 0-0 Be7 7. Bf4 0-0 8. Re1 Bc5 9. Qd3 d5 10. Bxc6 bxc6 11. Bg5 Qd6 12. Nbd2 Ne4 13. Nxe4 dxe4 14. Qxe4 Bxf5 15. Qh4 Rae8 16. Bf4 Qd5 17. Be5 Re6 18. Bxd4 Rg6 19. Bxc5 Qxf3 20. g3 Rc8 21. Rad1 h6 22. Rd8+ Kh7 23. Re3 Qg4 24. Qxg4 Bxg4 25. Rxc8 Bxc8 26. Bxa7 Rd6 27. Kg2 Be6 28. Bc5 Bd5+ 29. f3 Rf6 30. a4 Rf5 31. b4 g5 32. a5 g4 33. a6 Bxf3+ 34. Kf2 Bd5+ 35. Ke1 Bc4 36. a7 Rf1+ 37. Kd2 1-0

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Duistermaat, Hans"]
[Black "Westra, Bart"]
[Result "1-0"]
[ECO "A35"]
[PlyCount "117"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nxc6 bxc6 7. Be2 Nf6 8. Nc3 0-0 9. 0-0 d6 10. Bg5 h6 11. Bh4 Be6 12. Qd2 Nd7 13. f4 f5 14. exf5 gxf5 15. Rae1 Nf6 16. Bd3 Bd7 17. Rf3 Rf7 18. Qc2 Qa5 19. Re2 e6 20. Be1 Qc7 21. Na4 c5 22. Nc3 Re8 23. h3 Bc6 24. Rf1 Qb7 25. Bh4 d5 26. cxd5 Nxd5 27. Nxd5 Bxd5 28. Qa4 Rb8 29. Kh2 Qc7 30. a3 Bd4 31. Bc4 Rxb2 32. Rxb2 Bxb2 33. Bxd5 exd5 34. Rb1 Bd4 35. Qe8+ Kh7 36. Rb8 Rg7 37. Qh8+ Kg6 38. Re8 Kh5 39. g4+ fxg4 40. Bg3 Qb6 41. Re2 gxh3 42. Qc8 Qb1 43. Qxh3+ Kg6 44. Be1 Kh7 45. f5 Qc1 46. Qf3 Qg5 47. Re6 Bf6 48. Kh3 c4 49. Bf2 d4 50. Re4 c3 51. Bh4 Qxh4+ 52. Rxh4 c2 53. Qc6 d3 54. Rg4 Rxg4 55. Kxg4 Bg5 56. Qg6+ Kh8 57. f6 Bxf6 58. Qxf6+ Kh7 59. Qc3 1-0

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Geelen, Michiel"]
[Black "Duistermaat, Hans"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "37"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Bc4 e6 6. Nf3 Be7 7. 0-0 Nf6 8. Qe2 a6 9. Rd1 Nbd7 10. Bf4 b5 11. Bb3 Qb6 12. Bc2 Bb7 13. Qd2 e5 14. Be3 Qd8 15. a3 0-0 16. Nh4 Ng4 17. Nf5 Nxe3 18. Qxe3 Nb6 19. Nxe7+ 1-0

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Verdonk, Walter"]
[Black "Duistermaat, Hans"]
[Result "0-1"]
[ECO "B93"]
[PlyCount "78"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nbd7 8. Bd3 Be7 9. 0-0 b5 10. Qe1 0-0 11. fxe5 Nxe5 12. Nxe5 dxe5 13. Qg3 Qd6 14. Bg5 h6 15. Bxf6 Bxf6 16. Nd5 Bd8 17. Kh1 f5 18. c4 f4 19. Qe1 Rb8 20. cxb5 axb5 21. Qe2 b4 22. Bc4 Kh8 23. Qd3 Qg6 24. g3 Bh3 25. Rf2 Bb6 26. Nxb6 Qxb6 27. Rf3 Bg4 28. Rff1 f3 29. h3 Bxh3 30. Rxf3 Qg6 31. Rxf8+ Rxf8 32. Rd1 Bg4 33. Rd2 Qh5+ 34. Kg1 Bf3 35. Rh2 Qg4 36. Qd6 Qxg3+ 37. Kf1 Bg2+ 38. Ke2 Rf2+ 39. Kd1 Bf3+ 0-1

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Vermeer, Mark"]
[Black "Duistermaat, Hans"]
[Result "0-1"]
[ECO "B51"]
[PlyCount "108"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 Bd7 5. c3 a6 6. Bxc6 Bxc6 7. Re1 e5 8. d4 Qc7 9. Nbd2 b5 10. Nf1 Nf6 11. Ng3 g6 12. d5 Bd7 13. h3 Bg7 14. Be3 Qc8 15. Nh2 0-0 16. Qd2 Ne8 17. Bh6 f5 18. exf5 gxf5 19. Bxg7 Nxg7 20. Qh6 Qc7 21. Nf3 Be8 22. h4 f4 23. Ng5 Bg6 24. h5 fxg3 25. hxg6 gxf2+ 26. Kh2 Nf5 27. Qxh7+ Qxh7+ 28. gxh7+ Kh8 29. Re2 Nh6 30. Rf1 Rf5 31. Ne4 Raf8 32. Nxd6 Rh5+ 33. Kg3 Kxh7 34. Rfxf2 Rg8+ 35. Kf3 Rg6 36. Nb7 Ng4 37. Ke4 Nxf2+ 38. Rxf2 Rg4+ 39. Ke3 e4 40. Nxc5 Rxd5 41. Nxe4 Re5 42. Rf4 Rxg2 43. Kd4 Re7 44. Nf2 Rd7+ 45. Ke3 Rg3+ 46. Ke2 Kg6 47. Rf8 Kg7 48. Rf4 Re7+ 49. Kd2 Rge3 50. Kc2 Re2+ 51. Kb3 Rd7 52. Ne4 Rd1 53. c4 Rd3+ 54. Nc3 b4 0-1

[Event "NED-chTB 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "9"]
[White "De Rooij, Raymond"]
[Black "Duistermaat, Hans"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "72"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. g3 Bg4 5. Bg2 g6 6. h3 Bd7 7. 0-0 Bg7 8. c3 e5 9. Be3 Nf6 10. Qd2 0-0 11. Na3 Qb8 12. Nc2 b5 13. Nh4 a5 14. Bh6 Nh5 15. Kh2 Ne7 16. Bxg7 Nxg7 17. f4 Ra6 18. Ne3 f5 19. Nd5 Nxd5 20. exd5 Nh5 21. Rae1 exf4 22. gxf4 Qd8 23. Nf3 h6 24. Rg1 Kh7 25. Bh1 Ra7 26. Re2 Bc8 27. Ne1 Qh4 28. Rf2 Re7 29. Rf3 Rfe8 30. Ng2 Re2 31. Qc1 g5 32. fxg5 hxg5 33. Rgf1 g4 34. Rxf5 Bxf5 35. Rxf5 Qg3+ 36. Kg1 Re1+ 0-1

[Event "NED-chTB 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "5"]
[White "Duistermaat, Hans"]
[Black "Kamstra, Cor"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "2360"]
[PlyCount "84"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 a6 3. Nf3 b5 4. c4 Bb7 5. Nbd2 Bb4 6. Qb3 c5 7. dxc5 Bxc5 8. Bd3 Qb6 9. 0-0 Nf6 10. h3 Nc6 11. e5 Na5 12. Qc2 bxc4 13. Nxc4 Nxc4 14. exf6 Bxf3 15. Qxc4 Bd5 16. fxg7 Rg8 17. Qg4 Qb4 18. Bh6 Qxg4 19. hxg4 Bd4 20. Bxh7 Rxg7 21. Bxg7 Bxg7 22. Rfd1 Bxb2 23. Rab1 Be5 24. a4 Bc6 25. Bc2 Ke7 26. f3 Bg3 27. Rd2 a5 28. Re2 Rh8 29. Rd1 Bd6 30. Kf2 Bc5+ 31. Kg3 Bd6+ 32. f4 Bb4 33. Re5 Rc8 34. Re2 Rg8 35. Rh1 Bd6 36. Rh7 Kf8 37. Be4 Bxa4 38. Ra2 Bd1 39. Rxa5 Rxg4+ 40. Kf2 Rxf4+ 41. Ke3 Rxe4+ 42. Kd2 Bb4+ 0-1

[Event "NED-chTB 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "7"]
[White "Duistermaat, Hans"]
[Black "Leeflang, Hans"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "140"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. a4 Bb7 9. c3 0-0 10. axb5 axb5 11. Rxa8 Bxa8 12. d4 h6 13. Nbd2 exd4 14. cxd4 Na5 15. Bc2 c5 16. Nf1 Re8 17. Ng3 Bf8 18. h4 Bb7 19. Bf4 Nc6 20. d5 Nb4 21. Bb1 Bc8 22. Qb3 Bd7 23. Bd2 Ng4 24. h5 Ne5 25. Nxe5 dxe5 26. Be3 Bd6 27. Bd2 Qh4 28. Qa3 Qe7 29. Qf3 Ra8 30. Nf5 Bxf5 31. Qxf5 f6 32. Qg6 Qf7 33. Qg4 Kh7 34. Bxb4 cxb4 35. Bd3 Ra2 36. Qe2 Bc5 37. Bxb5 Bd4 38. Rb1 Qc7 39. Bc4 Ra5 40. b3 Qb6 41. Qf3 Ra8 42. Rd1 Kh8 43. Qf5 Qc5 44. Rd2 Bc3 45. Re2 Bd4 46. Kh2 Qd6 47. Bb5 Qc5 48. Bd7 Qc1 49. Qg6 Qg5 50. Qxg5 fxg5 51. Bc6 Rd8 52. Ra2 Kg8 53. Ra4 Bc5 54. Kg3 Kf7 55. Ra5 Bd6 56. Ra7+ Kf6 57. Bd7 g6 58. Kg4 gxh5+ 59. Kxh5 Bc5 60. Rb7 Bxf2 61. Be6 Rf8 62. Rxb4 Re8 63. Rb7 Re7 64. Rb8 Kg7 65. Rg8+ Kh7 66. Rg6 Rb7 67. Rxh6+ Kg7 68. Rg6+ Kh7 69. d6 Bc5 70. d7 Be7 1-0

[Event "NED-chTB 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "6"]
[White "Hopman, Pieter"]
[Black "Duistermaat, Hans"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "78"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 Nc6 4. f4 Nb4 5. Bd2 Nxd3+ 6. cxd3 Bf5 7. Bb4 g6 8. Nf3 Bg7 9. 0-0 Bg4 10. Nbd2 Nd7 11. a4 0-0 12. Qb3 c6 13. a5 Re8 14. Rac1 Rc8 15. Rc2 f6 16. Rfc1 a6 17. e4 Be6 18. e5 Nf8 19. Nf1 Qd7 20. Rf2 Bg4 21. Bd2 Ne6 22. Be3 Bxf3 23. Rxf3 Rf8 24. Nd2 Rf7 25. Rcf1 c5 26. dxc5 Nxc5 27. Bxc5 Rxc5 28. Qb6 Rc6 29. Qd4 e6 30. b4 Qc7 31. Re3 Rc2 32. Nf3 fxe5 33. fxe5 Bh6 34. Ree1 Rf4 35. Qe3 Rxg2+ 36. Kxg2 Rg4+ 37. Kh3 Bxe3 38. Kxg4 d4 39. Rb1 Qc2 0-1

[Event "NED-chTB 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "8"]
[White "Wieringa, Helmer"]
[Black "Duistermaat, Hans"]
[Result "1-0"]
[ECO "B93"]
[PlyCount "97"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nbd7 8. a4 Be7 9. Bc4 0-0 10. Qe2 Qc7 11. 0-0 exf4 12. Bxf4 Ne5 13. Bb3 Bg4 14. h3 Nxf3+ 15. gxf3 Bxh3 16. Rf2 Nh5 17. Be3 d5 18. f4 d4 19. Qxh5 dxe3 20. Rh2 Qxf4 21. Qxh3 h6 22. Rf1 Qe5 23. Qf5 Qxf5 24. Rxf5 b6 25. Kf1 Rad8 26. Bd5 g6 27. Rf3 Bg5 28. Nd1 Kg7 29. Nxe3 f5 30. Ke2 Rfe8 31. c4 f4 32. Nc2 b5 33. axb5 axb5 34. Nd4 Rxe4+ 35. Kd3 Re1 36. Nxb5 Kf6 37. Nd4 Rb8 38. Kc3 h5 39. b4 Bh6 40. b5 Rc1+ 41. Kb2 Rd1 42. Nc6 Rb6 43. Kc3 Rc1+ 44. Kd4 Rb7 45. Ne5 Re7 46. Nd3 Rd1 47. b6 Kf5 48. b7 Rb1 49. c5 1-0

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1992.??.??"]
[Round "?"]
[White "Duistermaat, Hans"]
[Black "Ligterink, Gert"]
[Result "1-0"]
[ECO "B60"]
[BlackElo "2430"]
[PlyCount "63"]
[EventDate "1992.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Be7 9. Qf3 a5 10. a4 0-0 11. 0-0-0 Nb4 12. Bb5 Qc7 13. Rd2 h6 14. h4 Rd8 15. g4 Bd7 16. Bxd7 Rxd7 17. Bxf6 Bxf6 18. Nb5 Qc4 19. g5 Be7 20. Kb1 h5 21. f5 g6 22. Rf1 Bf8 23. Na3 Qa6 24. fxe6 fxe6 25. Nc5 Qxf1+ 26. Qxf1 Rf7 27. Qh3 dxc5 28. Qxe6 Re8 29. Qxg6+ Bg7 30. Rd1 Rfe7 31. c3 Nc6 32. Nc4 1-0

[Event "Utrecht"]
[Site "Utrecht"]
[Date "1990.??.??"]
[Round "?"]
[White "Duistermaat, Hans"]
[Black "De Haan, Eric"]
[Result "1-0"]
[ECO "B43"]
[PlyCount "111"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. f4 Bb4 7. Qf3 Nf6 8. Bd2 d5 9. exd5 Bxc3 10. Bxc3 Nxd5 11. Bd2 0-0 12. Bd3 Nd7 13. c4 N5f6 14. 0-0 Qb6 15. Be3 Qxb2 16. Ne2 Qa3 17. Bd4 Qa5 18. Ng3 e5 19. Bc3 Qb6+ 20. Kh1 e4 21. Nxe4 Nxe4 22. Qxe4 f5 23. Qd5+ Kh8 24. Rae1 Nf6 25. Qf3 Qd6 26. Re5 Ng4 27. Rd5 Qh6 28. h3 Be6 29. Rd6 Rad8 30. Rxd8 Rxd8 31. Kg1 Nf6 32. Re1 Bc8 33. Re7 Qg6 34. Qe2 h6 35. Kf2 Bd7 36. g4 Re8 37. Bxf6 gxf6 38. Rxe8+ Qxe8 39. Qxe8+ Bxe8 40. Bxf5 Bf7 41. Bd3 Kg8 42. Ke3 Kf8 43. Kd4 b6 44. a3 Ke7 45. c5 b5 46. h4 Kd7 47. g5 fxg5 48. fxg5 hxg5 49. hxg5 Ke6 50. Be4 Be8 51. g6 Kf6 52. c6 a5 53. c7 Bd7 54. Bc6 Bc8 55. Bxb5 Kxg6 56. Ke5 1-0

[Event "Utrecht op"]
[Site "Utrecht"]
[Date "1986.??.??"]
[Round "5"]
[White "Du Chattel, Philippe J"]
[Black "Duistermaat, Hans"]
[Result "1/2-1/2"]
[ECO "B76"]
[PlyCount "115"]
[EventDate "1986.10.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. g4 Be6 10. 0-0-0 Ne5 11. g5 Nh5 12. b3 Qa5 13. Na4 Qxd2+ 14. Rxd2 Bd7 15. Nb2 Nc6 16. Ne2 f5 17. gxf6 Rxf6 18. Bg2 Raf8 19. Nd3 R6f7 20. Ng3 Nf6 21. c3 Ne8 22. Rc2 Nc7 23. Kd2 Rc8 24. h4 h6 25. f4 e5 26. f5 gxf5 27. Nxf5 Bxf5 28. exf5 d5 29. Bh3 Re8 30. Kd1 b6 31. Rg1 Kh7 32. Bg4 Ref8 33. Bh5 Rd7 34. Rcg2 Rf6 35. Bg6+ Kh8 36. Nf2 d4 37. Bc1 dxc3+ 38. Ke1 Nd4 39. Rg3 Nxf5 40. Rxc3 Nxh4 41. Be4 Rdf7 42. Ng4 Nf3+ 43. Bxf3 Rxf3 44. Rc6 h5 45. Rh1 Nd5 46. Rxh5+ Kg8 47. Rg5 Rf1+ 48. Ke2 Rh1 49. Nh6+ Rxh6 50. Rxh6 Nc3+ 51. Ke1 Ne4 52. Rg2 Nf2 53. Rd6 Ne4 54. Re6 Nc5 55. Re8+ Kh7 56. Ke2 Rd7 57. Be3 Ne4 58. Rc8 1/2-1/2

[Event "Utrecht op"]
[Site "Utrecht"]
[Date "1986.??.??"]
[Round "2"]
[White "Duistermaat, Hans"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[ECO "B97"]
[BlackElo "2545"]
[PlyCount "88"]
[EventDate "1986.10.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd3 Qxb2 9. Rb1 Qa3 10. f5 Be7 11. Be2 Qc5 12. Be3 Qc7 13. g4 h6 14. fxe6 fxe6 15. 0-0 0-0 16. h4 d5 17. e5 Nh7 18. Nf3 Nc6 19. Bb6 Qd7 20. Qd2 d4 21. Nxd4 Nxd4 22. Rxf8+ Nxf8 23. Qxd4 Bxh4 24. Bf3 Bg5 25. Kg2 Ng6 26. Qxd7 Bxd7 27. Bxb7 Rb8 28. Bxa6 Bc6+ 29. Kf2 Rf8+ 30. Ke1 Nxe5 31. Be2 Rf7 32. Bc5 Bh4+ 33. Kd1 Rd7+ 34. Kc1 Bg5+ 35. Kb2 Bf6 36. Kc1 Bg5+ 37. Kb2 Bf6 38. Kc1 Kf7 39. Rb3 Bg5+ 40. Kb2 Rd2 41. Rb4 Nd7 42. Bd4 Be7 43. Rc4 Bd5 44. Ra4 Bc6 1/2-1/2

[Event "Utrecht op"]
[Site "Utrecht"]
[Date "1986.??.??"]
[Round "4"]
[White "Duistermaat, Hans"]
[Black "Schwartz, Arie"]
[Result "0-1"]
[ECO "D89"]
[PlyCount "132"]
[EventDate "1986.10.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. 0-0 Nc6 10. Be3 Bg4 11. f3 cxd4 12. cxd4 Na5 13. Bd3 Be6 14. d5 Bxa1 15. Qxa1 f6 16. Rb1 Bd7 17. f4 b6 18. f5 gxf5 19. exf5 Rf7 20. Nf4 Rc8 21. Rb4 Qc7 22. Qf1 Qd6 23. Bd2 Rg7 24. a3 b5 25. Ne6 Bxe6 26. fxe6 Nc4 27. Bh6 Qxd5 28. Bxg7 Kxg7 29. Qe2 Ne5 30. Be4 Rc1+ 31. Kf2 Qc5+ 32. Kg3 Rc3+ 33. Bf3 Rc4 34. Rb3 Qd4 35. h3 Qf4+ 36. Kf2 a6 37. g3 Qd4+ 38. Kg2 Rc3 39. Qb2 Rd3 40. Qxd4 Rxd4 41. Bb7 Ra4 42. Rc3 Nc4 43. Rd3 f5 44. g4 fxg4 45. hxg4 Rxa3 46. Rd8 Kf6 47. Bc8 Ne5 48. Rf8+ Kg7 49. Rf5 Ng6 50. Rf7+ Kh6 51. Bb7 b4 52. Be4 b3 53. Bxg6 Kxg6 54. Rxe7 b2 55. Rb7 Ra2 56. Kg3 Kf6 57. e7 Kf7 58. Kf4 Ra4+ 59. Kf3 Ra2 60. Kf4 Ke8 61. g5 Kf7 62. Kg4 a5 63. Kh5 a4 64. Kh6 a3 65. e8Q+ Kxe8 66. Kxh7 Ra1 0-1

[Event "Utrecht op"]
[Site "Utrecht"]
[Date "1986.??.??"]
[Round "3"]
[White "Polgar, Zsuzsa"]
[Black "Duistermaat, Hans"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "2400"]
[PlyCount "75"]
[EventDate "1986.10.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Rc5 14. f4 Nc4 15. Qd3 b5 16. e5 Nd5 17. Nxd5 Rxd5 18. Bxc4 bxc4 19. Qxc4 Rc5 20. Qb3 Bg4 21. exd6 Qxd6 22. Nf5 Qc7 23. Nxe7+ Kh8 24. Rd5 Rc4 25. Rb5 Be6 26. Qd3 a6 27. Rb3 Rd4 28. Qc3 Qd7 29. f5 gxf5 30. Qf3 Rg4 31. Rd1 Qa4 32. Ra3 Qb5 33. c3 Rb8 34. Qf2 Re8 35. Qd2 Qb7 36. Nd5 Rf8 37. Bf6 Bxf6 38. Qh6+ 1-0

[Event "Utrecht op"]
[Site "Utrecht"]
[Date "1986.??.??"]
[Round "1"]
[White "Van der Linde, Meindert"]
[Black "Duistermaat, Hans"]
[Result "1/2-1/2"]
[ECO "E13"]
[WhiteElo "2250"]
[PlyCount "91"]
[EventDate "1986.10.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. e3 h6 7. Bh4 g5 8. Bg3 Ne4 9. Qc2 Bxc3+ 10. bxc3 d6 11. Bd3 f5 12. d5 Nc5 13. h4 g4 14. Nd4 Qf6 15. 0-0 Nba6 16. Nxe6 Nxe6 17. Bxf5 Ng7 18. Bg6+ Kd7 19. f3 Raf8 20. fxg4 Qe7 21. e4 Kc8 22. Qd2 Kb8 23. Qd4 Ne8 24. e5 dxe5 25. Bxe5 Rhg8 26. h5 Nd6 27. Rxf8+ Rxf8 28. Bg7 Rg8 29. Bxh6 Nc5 30. Rf1 Ba6 31. Bf4 Nxc4 32. g5 Nd6 33. Rb1 Nd7 34. Qf2 Bc4 35. Re1 Qg7 36. Bxd6 cxd6 37. Qf7 Qxf7 38. Bxf7 Rxg5 39. h6 Nf6 40. Re6 Nh7 41. Bg6 Bxd5 42. Re8+ Kc7 43. Bxh7 Rxg2+ 44. Kf1 Rh2 45. Re7+ Kc6 46. Bg6 1/2-1/2

