[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "5"]
[White "De Haas, Roy"]
[Black "Severijnen, Arjon"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1693"]
[BlackElo "1626"]
[PlyCount "75"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 dxe4 3. Nxe4 Bf5 4. Ng3 Bg6 5. d3 Nf6 6. Be2 e6 7. Nf3 Bd6 8. 0-0 h6 9. Nh4 Bh7 10. Nf3 0-0 11. Be3 Nc6 12. Qd2 Nd5 13. a3 Nce7 14. Ne4 Nxe3 15. fxe3 Bxe4 16. dxe4 Ng6 17. Qc3 c6 18. Rad1 Qe7 19. Rd3 Rad8 20. Rfd1 Bc7 21. g3 Bb6 22. Kf2 Rxd3 23. Rxd3 Rd8 24. e5 Rd5 25. Kg2 Qc5 26. Qxc5 Bxc5 27. Kf2 Nxe5 28. Nxe5 Rxe5 29. b4 Bb6 30. c4 c5 31. b5 Kf8 32. Bf3 Rf5 33. g4 Rf6 34. Rd7 e5 35. Ke2 Re6 36. Bd5 Re7 37. Rxb7 Rxb7 38. Bxb7 1/2-1/2

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "6"]
[White "Fijlstra, Bobby"]
[Black "De Haas, Roy"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1781"]
[BlackElo "1693"]
[PlyCount "104"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 Nb6 5. Nf3 g6 6. Be2 Bg7 7. 0-0 0-0 8. h3 d5 9. e5 Ne8 10. Be3 e6 11. Rc1 c6 12. Bd3 Nc7 13. b3 Qe7 14. Qd2 a6 15. Ne2 Nd7 16. Kh2 b5 17. c3 Kh8 18. g4 f5 19. Ng3 Qe8 20. Rh1 Rg8 21. Rcg1 Nb6 22. Kg2 Bd7 23. Kf1 Qf7 24. g5 Be8 25. h4 Qe7 26. Be2 Nd7 27. Ne1 c5 28. h5 c4 29. hxg6 Bxg6 30. Rh2 Rgc8 31. Bh5 Kg8 32. Rgh1 Kf7 33. Ng2 cxb3 34. axb3 Rh8 35. Nh4 Rag8 36. Qc2 Qe8 37. Nhxf5 exf5 38. Qxf5+ Ke7 39. Qg4 Qc8 40. f5 Bxh5 41. Rxh5 Ke8 42. f6 Bf8 43. Rxh7 Rxh7 44. Rxh7 Kd8 45. e6 Nxf6 46. e7+ Bxe7 47. Qxc8+ Kxc8 48. Rxe7 Ng4 49. Bf4 Nh2+ 50. Kg2 Ng4 51. Rxc7+ Kd8 52. Ra7 Ne3+ 1-0

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "3"]
[White "De Haas, Roy"]
[Black "Van der Vecht, Ernst"]
[Result "1-0"]
[ECO "C32"]
[WhiteElo "1693"]
[BlackElo "1808"]
[PlyCount "65"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nc3 Nf6 2. e4 e5 3. f4 d5 4. exd5 e4 5. d3 Bb4 6. Bd2 e3 7. Bxe3 0-0 8. Bd2 Re8+ 9. Nce2 Bc5 10. Nf3 Nxd5 11. d4 Bd6 12. g3 c5 13. c4 Nf6 14. d5 Bf5 15. Qb3 Nbd7 16. Bg2 Ne4 17. Rd1 Ndf6 18. 0-0 Ng4 19. Bc1 Qf6 20. Nh4 Bd7 21. Qd3 Nef2 22. Rxf2 Nxf2 23. Kxf2 g5 24. Nf3 gxf4 25. Nxf4 Bf5 26. Qd2 Re4 27. Nh5 Qg6 28. Qg5 Rae8 29. Nf6+ Kg7 30. Nxe8+ Rxe8 31. Qxg6+ fxg6 32. Re1 Rf8 33. Bf4 1-0

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "4"]
[White "Luca, Arie MA"]
[Black "De Haas, Roy"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "1798"]
[BlackElo "1693"]
[PlyCount "33"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg4 5. Be2 Bxe2 6. Ngxe2 h5 7. e5 dxe5 8. fxe5 Nd5 9. 0-0 c6 10. Qd3 e6 11. Ne4 Nd7 12. Ng5 Qb6 13. Nxf7 Rg8 14. c4 Nb4 15. Qh3 c5 16. Nd6+ Bxd6 17. Qxe6+ 1-0

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "2"]
[White "Rutgers, LW."]
[Black "De Haas, Roy"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1789"]
[BlackElo "1693"]
[PlyCount "95"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 g6 4. d4 Bg4 5. Be3 Bg7 6. h3 Bxf3 7. Qxf3 c6 8. Bc4 Qc7 9. Bb3 a6 10. 0-0-0 Nbd7 11. g4 Rf8 12. Qg3 0-0-0 13. Rhe1 b5 14. f3 Qb8 15. Qf2 a5 16. a3 a4 17. Ba2 Rde8 18. Qe2 e6 19. f4 d5 20. e5 Ng8 21. Qd3 Ne7 22. Bd2 Nb6 23. Rf1 Kb7 24. Ne2 f5 25. g5 Rh8 26. Bb4 Nec8 27. h4 Bf8 28. Qc3 Qc7 29. Kb1 Bxb4 30. Qxb4 Qe7 31. Nc1 Qxb4 32. axb4 h5 33. Nd3 Nd7 34. b3 Ncb6 35. Nc5+ Nxc5 36. bxc5 axb3 37. Bxb3 Nd7 38. Kb2 Ra8 39. Ra1 Rxa1 40. Rxa1 Ra8 41. Rxa8 Kxa8 42. c3 Ka7 43. Ka3 Nb8 44. Kb4 Na6+ 45. Ka5 Nc7 46. Bd1 Kb7 47. Be2 Ka7 48. Bf3 1/2-1/2

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.19"]
[Round "1"]
[White "De Haas, Roy"]
[Black "Van Diermen, Paul"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1693"]
[BlackElo "1295"]
[PlyCount "67"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nc3 e6 2. Nf3 d5 3. e4 dxe4 4. Nxe4 Nf6 5. Ng3 Nc6 6. Bb5 Bd7 7. d3 Bd6 8. Bg5 Bxg3 9. hxg3 h6 10. Qd2 Qe7 11. Qc3 0-0-0 12. Bxf6 Qxf6 13. Qxf6 gxf6 14. 0-0-0 Nb4 15. Bxd7+ Rxd7 16. Rh4 Nc6 17. Rdh1 Ne5 18. Rxh6 Rxh6 19. Rxh6 Nxf3 20. gxf3 f5 21. Rh8+ Rd8 22. Rxd8+ Kxd8 23. Kd2 Ke7 24. d4 f6 25. g4 fxg4 26. fxg4 b6 27. f4 e5 28. dxe5 fxe5 29. f5 Kf6 30. Kd3 c5 31. a3 Ke7 32. g5 Kd6 33. Ke4 c4 34. g6 1-0

[Event "Haarlem AKN op 08th"]
[Site "Haarlem"]
[Date "1999.07.04"]
[Round "5"]
[White "De Haas, Roy"]
[Black "Leenart, Frits"]
[Result "1/2-1/2"]
[ECO "B51"]
[PlyCount "37"]
[EventDate "1999.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[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+ Nd7 4. 0-0 a6 5. Bxd7+ Qxd7 6. d4 cxd4 7. Nxd4 e6 8. Nc3 Be7 9. b3 Nf6 10. Bb2 0-0 11. Kh1 b5 12. Qd3 b4 13. Nce2 d5 14. e5 Ne8 15. f4 f5 16. a3 Nc7 17. a4 Rf7 18. Rg1 h5 19. Qg3 1/2-1/2

[Event "Haarlem AKN op 08th"]
[Site "Haarlem"]
[Date "1999.07.04"]
[Round "6"]
[White "Kuin, Sjaak"]
[Black "De Haas, Roy"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "100"]
[EventDate "1999.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. Bd3 Nxd4 5. Bxf5 Nxf5 6. Ne2 g6 7. 0-0 Bg7 8. e6 f6 9. Nf4 c6 10. Qd3 Nd6 11. Nc3 f5 12. Rb1 Nf6 13. h4 Qc7 14. b4 a6 15. a4 b5 16. a5 0-0-0 17. Be3 Nc4 18. Nh3 Nxe3 19. fxe3 Ng4 20. Rf4 Be5 21. Rf3 Bxc3 22. Qxc3 Qh2+ 23. Kf1 Qd6 24. Ng5 d4 25. exd4 Nh2+ 26. Kf2 Nxf3 27. Kxf3 Qd5+ 28. Kg3 f4+ 29. Kh2 Rdf8 30. Re1 Rf5 31. Nf7 Rg8 32. Nh6 Rgf8 33. Nxf5 Rxf5 34. Qf3 Kc7 35. Qxd5 cxd5 36. Kh3 f3 37. g4 f2 38. Rf1 Rf3+ 39. Kg2 Rf4 40. c3 Rxg4+ 41. Kh3 Rf4 42. Kg3 Re4 43. Rxf2 Re3+ 44. Rf3 Rxf3+ 45. Kxf3 Kd6 46. Kf4 h6 47. Kg4 Kxe6 48. Kf4 Kf6 49. Kg4 e5 50. dxe5+ Kxe5 0-1

[Event "Haarlem AKN op 08th"]
[Site "Haarlem"]
[Date "1999.07.03"]
[Round "4"]
[White "De Haas, Roy"]
[Black "Oudejans, Martin"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "47"]
[EventDate "1999.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. Bb5 e6 5. Nf3 f6 6. 0-0 Qd7 7. Bf4 Nge7 8. Nbd2 a6 9. Ba4 h5 10. h4 b5 11. Bb3 Ng6 12. Bg3 Bg4 13. Qe1 Be7 14. c3 Bf5 15. Rc1 Bd3 16. Bc2 Bxc2 17. Rxc2 f5 18. Ng5 f4 19. Bh2 Nxh4 20. Bxf4 0-0-0 21. Qe2 Rdf8 22. Be3 Nf5 23. Ndf3 h4 24. Ra1 1/2-1/2

[Event "Haarlem AKN op 08th"]
[Site "Haarlem"]
[Date "1999.07.03"]
[Round "3"]
[White "Schut, Carmen"]
[Black "De Haas, Roy"]
[Result "0-1"]
[ECO "A53"]
[PlyCount "48"]
[EventDate "1999.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 Bg4 4. e3 Nbd7 5. h3 Bh5 6. Bd3 e5 7. Bc2 e4 8. g4 Bg6 9. Nfd2 c6 10. Nc3 d5 11. Nb3 dxc4 12. Na5 Qxa5 13. Bd2 Bb4 14. g5 Bh5 15. Qb1 Nd5 16. a3 Bxc3 17. bxc3 N5b6 18. Bxe4 Qxg5 19. Qb4 Nf6 20. Bc2 Bf3 21. e4 Qh4 22. Rg1 Nxe4 23. Bxe4 Qxe4+ 24. Be3 Qc2 0-1

[Event "Haarlem AKN op 08th"]
[Site "Haarlem"]
[Date "1999.07.02"]
[Round "2"]
[White "De Haas, Roy"]
[Black "Drel, Nicolai"]
[Result "0-1"]
[ECO "C36"]
[PlyCount "121"]
[EventDate "1999.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. Bc4 Nxd5 6. Bxd5 Qxd5 7. Nc3 Qe6+ 8. Qe2 Bd6 9. 0-0 0-0 10. d4 Nc6 11. a3 Qxe2 12. Nxe2 Bg4 13. c4 Rfe8 14. Rf2 Bxf3 15. gxf3 g5 16. Rg2 Kf8 17. b4 Be7 18. Bb2 Bf6 19. Bc3 Re3 20. b5 Ne7 21. Kf2 Rxc3 22. Nxc3 Bxd4+ 23. Ke2 Bxc3 24. Rd1 Bf6 25. Rd7 Rc8 26. Ke1 Ng6 27. c5 Ne5 28. Rd1 Nxf3+ 29. Kf2 Nh4 30. Rgg1 Nf5 31. Kf3 h5 32. Ke4 Ne3 33. Rd7 h4 34. h3 Ke8 35. Rd2 Ke7 36. Rc1 Ke6 37. c6 b6 38. Rd7 Be7 39. a4 Bd6 40. Rg1 Nd5 41. Re1 Ne3 42. Rg1 Rg8 43. Kf3 Nc4 44. Re1+ Ne5+ 45. Ke4 f5+ 46. Kd4 Kf6 47. Rxd6+ cxd6 48. Kd5 Ke7 49. a5 f3 50. axb6 axb6 51. Ra1 g4 52. Ra7+ Kf6 53. hxg4 fxg4 54. Ra4 Kf5 55. c7 f2 56. Ra1 g3 57. Rf1 Ng4 58. Kc6 g2 59. Rd1 g1Q 60. Rd5+ Ne5+ 61. Kxd6 0-1

[Event "Haarlem AKN op 08th"]
[Site "Haarlem"]
[Date "1999.07.02"]
[Round "1"]
[White "L'Ami, Erwin"]
[Black "De Haas, Roy"]
[Result "1-0"]
[ECO "B52"]
[PlyCount "75"]
[EventDate "1999.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[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+ Nxd7 5. 0-0 Ngf6 6. Re1 g6 7. b3 Bg7 8. Bb2 e5 9. c3 0-0 10. d4 Re8 11. Nbd2 b5 12. dxe5 Nxe5 13. Nxe5 dxe5 14. Qe2 Nh5 15. g3 a6 16. Rad1 Qg5 17. h4 Qe7 18. c4 b4 19. Nf1 Rad8 20. Ne3 Nf6 21. Nd5 Nxd5 22. Rxd5 Rd7 23. Red1 Red8 24. Kg2 f6 25. Bc1 Kf7 26. h5 g5 27. Be3 Rxd5 28. cxd5 Qd6 29. Qg4 Kg8 30. Rc1 h6 31. Rxc5 Qd7 32. Kh3 Qxg4+ 33. Kxg4 Bf8 34. Rc6 Ra8 35. Kf5 Be7 36. d6 Bd8 37. d7 Kf7 38. Rc8 1-0

