[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1990.??.??"]
[Round "2"]
[White "Duys, P."]
[Black "Kager, Kees"]
[Result "1/2-1/2"]
[ECO "A11"]
[PlyCount "80"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 c6 6. c4 d5 7. 0-0 dxc4 8. bxc4 Qb6 9. Qc2 Bf5 10. d3 Na6 11. Nbd2 Rad8 12. Rab1 Qc7 13. Be5 Qc8 14. Qb2 b6 15. Nd4 Bd7 16. Ne4 Nb8 17. Nxf6+ exf6 18. Bxb8 Qxb8 19. Nxc6 Bxc6 20. Bxc6 f5 21. Qc2 Qc7 22. Bg2 f4 23. a4 Rfe8 24. a5 Be5 25. axb6 axb6 26. Rb5 Re6 27. Bd5 Rf6 28. g4 f3 29. Bxf3 Bxh2+ 30. Kg2 Bd6 31. Qb2 Qe7 32. Rxb6 Rf4 33. Rh1 Be5 34. Qb5 Qg5 35. Qc6 h5 36. Kf1 hxg4 37. Rg1 Qh4 38. Rh1 Qg5 39. Rg1 Qh4 40. Rh1 Qg5 1/2-1/2

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1990.??.??"]
[Round "7"]
[White "Duys, P."]
[Black "Niks, Eelco"]
[Result "0-1"]
[ECO "D73"]
[PlyCount "82"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. c4 c6 6. b3 Qb6 7. 0-0 0-0 8. Nbd2 Be6 9. c5 Qc7 10. b4 a5 11. bxa5 Qxa5 12. Qb3 Ra7 13. Bb2 Ne4 14. Qe3 Bf5 15. Nb3 Qd8 16. Nfd2 Nxd2 17. Qxd2 Nd7 18. Bc3 e5 19. Ba5 Qe7 20. Bc7 Nxc5 21. Bb6 Nxb3 22. axb3 Rxa1 23. Rxa1 exd4 24. Bxd4 Bxd4 25. Qxd4 Qxe2 26. Qb4 Qb2 27. Re1 Bc8 28. Bf1 Qf6 29. Re7 Rd8 30. Qe1 Kf8 31. Rc7 Qd6 32. Qa5 Re8 33. b4 Qd8 34. b5 Re7 35. b6 Ke8 36. Bg2 Rxc7 37. bxc7 Qd6 38. Qc3 d4 39. Qc4 d3 40. Qe4+ Kf8 41. Qe3 d2 0-1

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1990.??.??"]
[Round "5"]
[White "Duys, P."]
[Black "Visser, Paul Robert"]
[Result "0-1"]
[ECO "A06"]
[PlyCount "80"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 c5 3. Bb2 e6 4. e3 Nc6 5. Bb5 Be7 6. 0-0 0-0 7. Bxc6 bxc6 8. d3 d5 9. Ne5 Qc7 10. f4 Nd7 11. Qg4 Bf6 12. d4 cxd4 13. exd4 c5 14. Qe2 a5 15. Na3 Ba6 16. c4 Rfd8 17. Rfc1 Qb6 18. Kh1 cxd4 19. Qh5 Nxe5 20. fxe5 Be7 21. Rf1 g6 22. Qf3 Rf8 23. Bc1 f5 24. Rb1 Qc5 25. Nb5 Bxb5 26. cxb5 Qc3 27. Bh6 Rfc8 28. Qf2 Qb4 29. a4 d3 30. Bd2 Qc5 31. Qe1 Qb6 32. Rf3 Rc2 33. Rxd3 d4 34. Bh6 Rac8 35. Bd2 Bd8 36. Qf2 Bg5 37. Qe1 Bxd2 38. Rxd2 Qc5 39. Rbd1 Qd5 40. Qg3 Rxd2 0-1

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1990.??.??"]
[Round "1"]
[White "Keesman, Karel"]
[Black "Duys, P."]
[Result "0-1"]
[ECO "A79"]
[PlyCount "48"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Nd2 Na6 11. f3 Nc7 12. a4 Nd7 13. Nc4 Ne5 14. Nxe5 Bxe5 15. f4 Bd4+ 16. Kh1 f5 17. exf5 Bxf5 18. g4 Bd7 19. Bd3 Qh4 20. Be2 h5 21. gxh5 Bh3 22. Rg1 Bxg1 23. Qxg1 Bf5 24. Bd2 Rxe2 0-1

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1990.??.??"]
[Round "4"]
[White "Piersma, Jan"]
[Black "Duys, P."]
[Result "0-1"]
[ECO "A19"]
[PlyCount "70"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. e4 cxd4 5. Qxd4 Nc6 6. Qd1 Bb4 7. Bd3 0-0 8. Nf3 d5 9. exd5 exd5 10. 0-0 dxc4 11. Bxc4 Bg4 12. Nd5 Nxd5 13. Qxd5 Qf6 14. Qg5 Qxg5 15. Nxg5 Ne5 16. Bd5 Be2 17. Bf4 Nd3 18. Bxb7 Nxf4 19. Rfc1 Rad8 20. g3 Nd3 21. Rc2 Bh5 22. Be4 h6 23. Nf3 f5 24. Bb7 Rd7 25. Bc8 Rdd8 26. Bb7 Rf6 27. Nh4 g5 28. Ng2 Ne5 29. Ne3 Bf7 30. Rc7 f4 31. Nc2 Bd6 32. Rc3 fxg3 33. hxg3 Ng4 34. Bf3 Nxf2 35. Kxf2 g4 0-1

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1990.??.??"]
[Round "6"]
[White "Temming, Jan"]
[Black "Duys, P."]
[Result "1/2-1/2"]
[ECO "C10"]
[PlyCount "88"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Be7 5. Nf3 Nf6 6. Bd3 b6 7. c4 Bb7 8. Neg5 h6 9. Nh3 c5 10. d5 exd5 11. cxd5 Qxd5 12. Nf4 Qd8 13. Bb5+ Nc6 14. Qa4 Qc7 15. Nd3 0-0 16. Bf4 Bd6 17. Bxd6 Qxd6 18. 0-0-0 Nd4 19. Nde5 Bxf3 20. Nxf3 Qf4+ 21. Kb1 Ne6 22. Qc2 Rad8 23. Bc6 Nd4 24. Nxd4 cxd4 25. g3 Qd6 26. Bb5 Qc5 27. Qd3 Ng4 28. Rd2 Ne5 29. Qb3 Qd5 30. Qxd5 Rxd5 31. Be2 Rfd8 32. f4 Nd7 33. Bf3 Rd6 34. b4 a5 35. a3 axb4 36. axb4 f5 37. Kb2 Nf6 38. Re1 Kf7 39. Kb3 Rc8 40. Ka4 Rc3 41. Bg2 Ng4 42. Red1 d3 43. Bf1 Ne3 44. Rxd3 Rcxd3 1/2-1/2

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1986.??.??"]
[Round "2"]
[White "Dagelet, H."]
[Black "Duys, P."]
[Result "1-0"]
[ECO "B90"]
[PlyCount "95"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bd3 e5 7. Nb3 Be6 8. 0-0 Nbd7 9. Re1 b5 10. Bg5 Be7 11. Bxf6 Nxf6 12. Nd5 Bxd5 13. exd5 0-0 14. c4 bxc4 15. Bxc4 Qb6 16. Qe2 Rfe8 17. Nc1 e4 18. b3 Bf8 19. h3 g6 20. Qe3 Qa5 21. Ne2 Nxd5 22. Bxd5 Qxd5 23. Nc3 Qc6 24. Nxe4 d5 25. Qc3 Qxc3 26. Nxc3 Bg7 27. Rxe8+ Rxe8 28. Rc1 Rd8 29. Kf1 d4 30. Ne4 f5 31. Ng5 Bh6 32. h4 Bxg5 33. hxg5 Rd5 34. Ke2 f4 35. Rc8+ Kf7 36. Rc7+ Ke6 37. Kd3 Kf5 38. Rxh7 Kxg5 39. Re7 Kf6 40. Re4 Rg5 41. Rxf4+ Ke5 42. g3 Rf5 43. Re4+ Kf6 44. Rf4 Ke5 45. Re4+ Kf6 46. f4 g5 47. Kxd4 Kg6 48. Re6+ 1-0

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1986.??.??"]
[Round "4"]
[White "De Waal, Jacobus"]
[Black "Duys, P."]
[Result "1-0"]
[ECO "D02"]
[PlyCount "99"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nd2 d5 3. Ngf3 e6 4. c3 c5 5. b3 Nc6 6. e3 Be7 7. Bd3 0-0 8. 0-0 Bd7 9. Bb2 Rc8 10. a3 a6 11. Qb1 b5 12. dxc5 Bxc5 13. c4 bxc4 14. bxc4 Rb8 15. Qc2 Ba7 16. Rab1 h6 17. Rfd1 a5 18. cxd5 exd5 19. Nb3 Qe7 20. Nbd4 Rfc8 21. Nxc6 Rxc6 22. Qd2 Bg4 23. Be2 Bf5 24. Bxf6 Qxf6 25. Rxb8+ Bxb8 26. Qxd5 Rd6 27. Qb3 Rb6 28. Qd5 Rb1 29. Rxb1 Bxb1 30. Qb5 Qa1 31. Qxb8+ Kh7 32. Bf1 Bd3 33. Nd2 Bxf1 34. Nxf1 Qxa3 35. Qb1+ g6 36. g3 a4 37. Nd2 Qc3 38. Qa2 Kg7 39. Nc4 Qe1+ 40. Kg2 Qb4 41. Kf3 f5 42. Ke2 Qb5 43. Kd1 Qd5+ 44. Kc1 Qc6 45. Kb2 Qf6+ 46. Ka3 Qc6 47. h4 g5 48. Qd2 Kg8 49. Qc2 Qd7 50. Qxa4 1-0

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1986.??.??"]
[Round "7"]
[White "Duys, P."]
[Black "Brugman, Nico"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "80"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 c5 4. exd5 exd5 5. Nf3 Bg4 6. Be3 c4 7. Be2 Nf6 8. 0-0 Nc6 9. h3 Bh5 10. b3 Bb4 11. Na4 b5 12. a3 Bd6 13. Nc3 Rb8 14. a4 a6 15. axb5 axb5 16. Bg5 Be7 17. Re1 0-0 18. Ne5 Bxe2 19. Rxe2 Nb4 20. Ng4 Nc6 21. Ra6 Nxg4 22. Bxe7 Nxe7 23. hxg4 cxb3 24. cxb3 Qc8 25. Qa1 Nc6 26. Nxd5 Qxg4 27. Ne7+ Nxe7 28. Rxe7 Rbc8 29. Re3 Rfd8 30. Rd3 Qf4 31. Rd1 Rc2 32. Rf1 Rd2 33. Qa5 Qxd4 34. Qxb5 h6 35. Ra4 Qf6 36. b4 Rd1 37. Ra6 Qb2 38. Rb6 Qc2 39. Rb7 Rxf1+ 40. Qxf1 Rd1 0-1

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1986.??.??"]
[Round "3"]
[White "Duys, P."]
[Black "Piersma, Jan"]
[Result "1-0"]
[ECO "C18"]
[PlyCount "63"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 c4 7. a4 Ne7 8. Nf3 h6 9. Be2 Qa5 10. 0-0 Bd7 11. Qd2 Bxa4 12. Ba3 Nbc6 13. Rfb1 b5 14. Nh4 g5 15. Nf3 Kd7 16. h3 Rag8 17. Nh2 h5 18. g4 hxg4 19. Bxg4 Nf5 20. Nf3 Nh6 21. Nh2 Nxg4 22. Nxg4 Rg7 23. Kg2 Qd8 24. Nf6+ Kc8 25. Re1 Ne7 26. Bxe7 Qxe7 27. Re3 Rg6 28. Rg3 Kb7 29. Rxg5 Rxg5+ 30. Qxg5 Bxc2 31. h4 Kb6 32. Nxd5+ 1-0

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1986.??.??"]
[Round "1"]
[White "Duys, P."]
[Black "Van Egmond, Joost"]
[Result "0-1"]
[ECO "C19"]
[PlyCount "76"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Nbc6 8. a4 0-0 9. Bd3 h6 10. 0-0 c4 11. Be2 f6 12. Ba3 fxe5 13. dxe5 Rf5 14. Bd6 Ng6 15. Nd4 Nxd4 16. cxd4 Nf4 17. Bf3 Bd7 18. Ra3 Be8 19. Bg4 Bh5 20. Bxh5 Rxh5 21. g3 Qg5 22. Kh1 Nh3 23. f4 Qf5 24. Qf3 Qf7 25. g4 Rh4 26. Qg3 g5 27. f5 exf5 28. Rxf5 Qe6 29. Raf3 Re8 30. Qg2 Nf4 31. Qf2 Rxg4 32. Rf6 Qd7 33. Rxh6 Rg2 34. Qf1 Rxc2 35. Rg3 Qf5 36. Rf6 Qe4+ 37. Rf3 Rc8 38. Rg6+ Kh7 0-1

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1986.??.??"]
[Round "5"]
[White "Duys, P."]
[Black "Zwanenbeek, Iwan"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "143"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c3 d6 4. Nf3 Nf6 5. Bd3 0-0 6. 0-0 Nc6 7. h3 a6 8. a4 e5 9. d5 Ne7 10. Be3 Nd7 11. b4 f5 12. Ng5 Nf6 13. exf5 Nxf5 14. Qb3 Nxe3 15. fxe3 Qe7 16. Nd2 Bh6 17. h4 Bd7 18. e4 Nh5 19. Ndf3 Ng3 20. Rfe1 Bg4 21. Ra2 Bxf3 22. Nxf3 Rxf3 23. gxf3 Qxh4 24. Rh2 Qf4 25. Qd1 Rf8 26. Bf1 Nxf1 27. Rxf1 Qe3+ 28. Kh1 Bf4 29. Rc2 Bg3 30. Qc1 Qd3 31. Kg2 Bf4 32. Qd1 Qe3 33. Qe2 Qa7 34. Qf2 Qb8 35. Qh4 Qe8 36. Rh1 Qf7 37. c4 Be3 38. Qg4 Kg7 39. c5 dxc5 40. bxc5 Kh8 41. c6 b5 42. axb5 axb5 43. Rb1 h5 44. Qh3 g5 45. Rh1 h4 46. d6 Qb3 47. Re2 cxd6 48. c7 Qd3 49. Rhe1 Qc4 50. Rxe3 Qxc7 51. Qg4 Qb8 52. Qh5+ Kg7 53. Qxg5+ Kf7 54. Qh5+ Ke6 55. Qxh4 Rh8 56. Qg4+ Ke7 57. Kf1 b4 58. Qg5+ Kd7 59. Qg7+ Ke6 60. Qg6+ Ke7 61. R1e2 Rh1+ 62. Kg2 Qh8 63. Qg5+ Kd7 64. Qg4+ Ke7 65. Qg3 Rh7 66. Qg5+ Ke8 67. Qg6+ Kd7 68. Qf5+ Kc7 69. Kf2 Rh1 70. Qf7+ Kb6 71. Qg6 Qh4+ 72. Kg2 0-1

[Event "Haarlem ACCOM op2"]
[Site "Haarlem"]
[Date "1986.??.??"]
[Round "6"]
[White "Van der Wakker, Peter"]
[Black "Duys, P."]
[Result "0-1"]
[ECO "B90"]
[PlyCount "44"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. h3 e5 7. Nf3 b5 8. a3 Bb7 9. Bd3 Be7 10. 0-0 0-0 11. Re1 Nbd7 12. b4 Rc8 13. Bd2 Nb6 14. Qe2 Re8 15. Nh2 d5 16. Nxd5 Bxd5 17. exd5 Qxd5 18. f3 Nh5 19. Qxe5 Bc5+ 20. bxc5 Rxe5 21. Be3 f5 22. Rac1 Rxe3 0-1

