[Event "Apeldoorn Aventus op"]
[Site "Apeldoorn"]
[Date "2001.09.14"]
[Round "?"]
[White "Beeke, Bobby"]
[Black "Royers, Diederik"]
[Result "1/2-1/2"]
[ECO "B84"]
[PlyCount "90"]
[EventDate "2001.09.14"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 085 Extra"]
[Source "ChessBase"]
[SourceDate "2002.01.21"]
[SourceVersion "1"]
[SourceVersionDate "2002.01.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Nc6 7. Be3 Qc7 8. 0-0 e6 9. f4 Be7 10. Kh1 Bd7 11. a4 Nxd4 12. Qxd4 Bc6 13. Bf3 Rd8 14. b4 0-0 15. b5 Be8 16. b6 Qb8 17. Qb4 Rc8 18. Qb3 Nd7 19. f5 Bf6 20. Bd2 Nc5 21. Qb4 Bxc3 22. Bxc3 Bxa4 23. Bd4 Bb5 24. Rfd1 e5 25. Be3 Rfd8 26. f6 Ne6 27. Bg4 Rc4 28. Qe1 Rd7 29. Qg3 g6 30. h4 Qd8 31. Bg5 Qf8 32. Qe3 h5 33. Bh6 Qe8 34. Bxe6 fxe6 35. Bg7 Rxg7 36. fxg7 Kxg7 37. Rd2 Qe7 38. g3 Bc6 39. Kh2 Rxe4 40. Qc3 Rxh4+ 41. gxh4 Qxh4+ 42. Kg1 Qh1+ 43. Kf2 Qh2+ 44. Ke1 Qg1+ 45. Ke2 Qg2+ 1/2-1/2

[Event "Apeldoorn Aventus op"]
[Site "Apeldoorn"]
[Date "2001.09.14"]
[Round "?"]
[White "Duijn, Rob"]
[Black "Royers, Diederik"]
[Result "1-0"]
[ECO "D90"]
[PlyCount "59"]
[EventDate "2001.09.14"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 085 Extra"]
[Source "ChessBase"]
[SourceDate "2002.01.21"]
[SourceVersion "1"]
[SourceVersionDate "2002.01.21"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 c6 6. cxd5 cxd5 7. e3 Bg4 8. Qb3 Qb6 9. Qxb6 axb6 10. Bxb8 Rxb8 11. Bb5+ Bd7 12. Bxd7+ Kxd7 13. Ne5+ Ke6 14. Na4 Ne4 15. f3 Bxe5 16. fxe4 Bc7 17. exd5+ Kxd5 18. 0-0 f5 19. Rac1 Rhc8 20. Nc3+ Ke6 21. e4 fxe4 22. Rce1 Rf8 23. Rxe4+ Kd7 24. Rfe1 Rbe8 25. Nd5 Bd8 26. Re6 b5 27. Nb6+ Kc7 28. Rc1+ Kb8 29. Rc8+ Ka7 30. Ra8# 1-0

[Event "Apeldoorn Aventus op"]
[Site "Apeldoorn"]
[Date "2001.09.14"]
[Round "?"]
[White "Engelen, Johan HHM"]
[Black "Royers, Diederik"]
[Result "1/2-1/2"]
[ECO "B24"]
[PlyCount "34"]
[EventDate "2001.09.14"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 085 Extra"]
[Source "ChessBase"]
[SourceDate "2002.01.21"]
[SourceVersion "1"]
[SourceVersionDate "2002.01.21"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 Nc6 5. d3 g6 6. f4 Bg4 7. Nf3 Nd4 8. 0-0 Nxf3+ 9. Bxf3 Bxf3 10. Qxf3 Qc7 11. g4 e6 12. g5 Nd7 13. f5 Ne5 14. Qf2 gxf5 15. exf5 0-0-0 16. Be3 h6 17. d4 cxd4 1/2-1/2

[Event "Apeldoorn Aventus op"]
[Site "Apeldoorn"]
[Date "2001.09.14"]
[Round "?"]
[White "Royers, Diederik"]
[Black "Span, Paul"]
[Result "0-1"]
[ECO "D03"]
[BlackElo "2227"]
[PlyCount "124"]
[EventDate "2001.09.14"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 085 Extra"]
[Source "ChessBase"]
[SourceDate "2002.01.21"]
[SourceVersion "1"]
[SourceVersionDate "2002.01.21"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. Nbd2 c5 5. e3 Nc6 6. c3 h6 7. Bh4 cxd4 8. exd4 Be7 9. Bd3 Qb6 10. Qb3 Qc7 11. 0-0 a6 12. Rfe1 Na5 13. Qc2 Bd7 14. Ne5 Bb5 15. Bg6 0-0 16. Nxf7 Rxf7 17. Bxf7+ Kxf7 18. Nf3 Ne4 19. Ne5+ Kg8 20. Bxe7 Qxe7 21. f3 Nf6 22. Ng6 Qd6 23. a4 Be8 24. Re2 Bxg6 25. Qxg6 Re8 26. Rae1 Nc6 27. g3 e5 28. dxe5 Rxe5 29. Rxe5 Nxe5 30. Qf5 Ned7 31. Kg2 Qb6 32. Re2 Qc6 33. Qc2 Nc5 34. a5 Qc7 35. b4 Ncd7 36. Re7 Qd6 37. Qe2 Kh8 38. Re6 Qc7 39. Qe3 Qc4 40. Re7 Qa2+ 41. Kh3 Qb1 42. g4 Qg6 43. Kg2 Qg5 44. Qe2 Nf8 45. h3 Ng6 46. Kf1 Nxe7 47. Qxe7 Qc1+ 48. Kg2 Qxc3 49. h4 d4 50. Kg3 d3 51. g5 Ng8 52. Qd8 d2 53. gxh6 gxh6 54. Qd6 Kg7 55. Qd7+ Kf6 56. Qd6+ Kf7 57. Qf4+ Ke7 58. Qe4+ Kd6 59. Qg6+ Nf6 60. Qb1 Qe5+ 61. Kg2 Qe2+ 62. Kh3 d1Q 0-1

[Event "Apeldoorn Aventus op"]
[Site "Apeldoorn"]
[Date "2001.09.14"]
[Round "?"]
[White "Royers, Diederik"]
[Black "Van Onzen, Bart T"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "66"]
[EventDate "2001.09.14"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 085 Extra"]
[Source "ChessBase"]
[SourceDate "2002.01.21"]
[SourceVersion "1"]
[SourceVersionDate "2002.01.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. Bc4 Bg7 7. c3 0-0 8. Be3 a6 9. 0-0 Qc7 10. Nd2 Rd8 11. Nxc6 dxc6 12. Qb3 e6 13. Bb6 Qd7 14. Bxd8 Qxd8 15. Rfd1 b5 16. Be2 Qb6+ 17. Kh1 Qf2 18. Bd3 Nh5 19. Nf1 Be5 20. Rd2 Qh4 21. Qd1 Bf4 22. Re2 e5 23. Kg1 Be6 24. g3 Qg5 25. Kf2 Rd8 26. Qc2 Bh3 27. g4 Qh4+ 28. Kg1 Nf6 29. Ne3 Qh6 30. Nd1 c5 31. c4 Qg5 32. Kh1 Nxg4 33. fxg4 Bxg4 0-1

[Event "Staunton CC Albin Theme op"]
[Site "Groningen"]
[Date "2001.09.08"]
[Round "3"]
[White "Royers, Diederik"]
[Black "Harms, Jan"]
[Result "0-1"]
[ECO "D08"]
[PlyCount "30"]
[EventDate "2001.09.07"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "CBM 084 Extra"]
[Source "ChessBase"]
[SourceDate "2001.10.26"]
[SourceVersion "1"]
[SourceVersionDate "2001.10.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. a3 a5 5. e3 Nc6 6. exd4 Qxd4 7. Qxd4 Nxd4 8. Kd1 Bf5 9. Nd2 0-0-0 10. Ne2 Nb3 11. Ra2 Bb1 12. Nc3 Bxa2 13. Nxa2 g6 14. Kc2 Nxc1 15. Kxc1 Bh6 0-1

[Event "Staunton CC Albin Theme op"]
[Site "Groningen"]
[Date "2001.09.08"]
[Round "2"]
[White "Wiggerman, Jan"]
[Black "Royers, Diederik"]
[Result "1-0"]
[ECO "D09"]
[PlyCount "61"]
[EventDate "2001.09.07"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "CBM 084 Extra"]
[Source "ChessBase"]
[SourceDate "2001.10.26"]
[SourceVersion "1"]
[SourceVersionDate "2001.10.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Bc5 6. Bg2 Bg4 7. Nbd2 Qe7 8. 0-0 0-0-0 9. Qb3 Bb6 10. Ne4 Bxf3 11. exf3 Nxe5 12. c5 Bxc5 13. f4 Nc6 14. Nxc5 Qxc5 15. Qxf7 Rd7 16. Bh3 Nf6 17. Qxg7 Rf8 18. Bxd7+ Nxd7 19. Qxh7 Nf6 20. Qd3 Qh5 21. Bd2 Rh8 22. h4 Qg4 23. Kh2 Ne7 24. f3 Qg7 25. Be1 Ned5 26. Bf2 Rg8 27. Qxd4 Ne7 28. Rad1 b6 29. Qe5 Ng6 30. Qg5 Kb8 31. Bd4 1-0

[Event "Staunton CC Albin Theme op"]
[Site "Groningen"]
[Date "2001.09.07"]
[Round "1"]
[White "Spaans, Rob"]
[Black "Royers, Diederik"]
[Result "1-0"]
[ECO "D08"]
[PlyCount "59"]
[EventDate "2001.09.07"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "CBM 084 Extra"]
[Source "ChessBase"]
[SourceDate "2001.10.26"]
[SourceVersion "1"]
[SourceVersionDate "2001.10.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. a3 Bg4 6. Nbd2 a5 7. h3 Bxf3 8. Nxf3 Bc5 9. Qb3 Nge7 10. e3 a4 11. Qd3 Ng6 12. exd4 Bxd4 13. Bg5 Nge7 14. Rd1 Bxb2 15. Qc2 Bd4 16. Be3 Ng6 17. Bxd4 Nxd4 18. Rxd4 Qe7 19. Bd3 Qxa3 20. 0-0 0-0 21. Rd1 Qc5 22. e6 fxe6 23. Bxg6 hxg6 24. Qxg6 Rf6 25. Rd8+ Rxd8 26. Rxd8+ Rf8 27. Qxe6+ Kh8 28. Rxf8+ Qxf8 29. Ng5 a3 30. Qe4 1-0

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.08.05"]
[Round "9"]
[White "Bettman, Jan"]
[Black "Royers, Diederik"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "101"]
[EventDate "2000.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. a3 g6 2. h4 Nf6 3. h5 Nxh5 4. g4 Nf6 5. g5 Nh5 6. e3 d5 7. Bg2 c6 8. d4 e5 9. dxe5 Qxg5 10. Bf3 Ng7 11. Bd2 Be6 12. Ne2 Nd7 13. Rg1 Qxe5 14. Bc3 Qc7 15. Nd2 f6 16. e4 dxe4 17. Nxe4 0-0-0 18. Qd4 Ne5 19. Qe3 Nf5 20. Bxe5 Nxe3 21. Bxc7 Nxc2+ 22. Kf1 Kxc7 23. Rc1 Nd4 24. Nf4 Bf5 25. Kg2 Nxf3 26. Kxf3 Bxe4+ 27. Kxe4 Re8+ 28. Kf3 Bh6 29. Rc4 Bxf4 30. Rxf4 Re6 31. Rh4 Kd7 32. Rxg6 hxg6 33. Rxh8 Re7 34. Rg8 g5 35. b4 Ke6 36. Kg4 a6 37. Rg6 Ke5 38. Rg8 Kd4 39. Kf5 Re2 40. Kxf6 Rxf2+ 41. Ke6 Rg2 42. Kd6 Kc4 43. Rg7 Rg3 44. Rxb7 Rxa3 45. Kxc6 g4 46. Rg7 Rg3 47. Ra7 Kxb4 48. Rxa6 Rc3+ 49. Kd5 g3 50. Rb6+ Ka5 51. Kd4 1/2-1/2

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.08.04"]
[Round "8"]
[White "Royers, Diederik"]
[Black "Westerweele, Maarten"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "95"]
[EventDate "2000.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Ne2 Ne7 6. 0-0 0-0 7. c3 Bf5 8. Bxf5 Nxf5 9. Qd3 Qd7 10. Bf4 Re8 11. Bxd6 Nxd6 12. Nd2 Nc6 13. Nf4 Ne7 14. Rfe1 c6 15. Re2 Nef5 16. Rae1 Rxe2 17. Rxe2 Re8 18. f3 Qd8 19. Nf1 a5 20. Ng3 Nxg3 21. hxg3 g6 22. Kf2 Kg7 23. Qd2 Rxe2+ 24. Nxe2 Nc4 25. Qc1 Qe7 26. b3 Nd6 27. Nf4 Qf6 28. Qd2 Kg8 29. Qe3 Kf8 30. Ne2 g5 31. Kg1 h5 32. Qd2 Qe7 33. Kf2 Qf6 34. Kg1 Nf5 35. Kf2 Kg7 36. Qc1 Nd6 37. Kg1 Qf5 38. Qd2 f6 39. Kh2 Qe6 40. Kg1 Nf5 41. Kf2 Nd6 42. Kg1 Kg6 43. Kf2 f5 44. Kg1 Qe7 45. Kf1 Ne8 46. Nc1 Nf6 47. Nd3 Nd7 48. Qc1 0-1

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.08.03"]
[Round "7"]
[White "Schuil, Jeroen"]
[Black "Royers, Diederik"]
[Result "1-0"]
[ECO "D85"]
[PlyCount "54"]
[EventDate "2000.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb1 0-0 9. Be2 Nc6 10. d5 Ne5 11. Nxe5 Bxe5 12. Qd2 Qa5 13. Rb3 Qc7 14. f4 Bg7 15. 0-0 Rd8 16. e5 f6 17. exf6 Bxf6 18. c4 a6 19. Bb2 Bxb2 20. Qxb2 b5 21. f5 Bxf5 22. Rxf5 gxf5 23. Rg3+ Qxg3 24. hxg3 Rab8 25. Qe5 bxc4 26. Bxc4 Rb1+ 27. Kf2 Rdb8 1-0

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.08.02"]
[Round "6"]
[White "Royers, Diederik"]
[Black "Dubbeldam, CJ."]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "65"]
[EventDate "2000.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bg5 Nbd7 4. Nbd2 h6 5. Bh4 e6 6. e3 Be7 7. Bd3 0-0 8. c3 b6 9. h3 Bb7 10. g4 Ne4 11. Bxe7 Qxe7 12. Qc2 Nxd2 13. Nxd2 e5 14. 0-0-0 c5 15. Qa4 a6 16. h4 Rac8 17. Kb1 b5 18. Qa3 e4 19. Be2 b4 20. cxb4 cxb4 21. Qb3 g6 22. f4 exf3 23. Bxf3 a5 24. Qd3 Qd6 25. e4 dxe4 26. Nxe4 Qa6 27. Qd2 Rfe8 28. d5 Ne5 29. Be2 Qb6 30. Qxh6 Nc4 31. Ng5 Na3+ 32. Ka1 Nc2+ 33. Kb1 1/2-1/2

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.08.01"]
[Round "5"]
[White "Friesen, Bas"]
[Black "Royers, Diederik"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "39"]
[EventDate "2000.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 Nf6 7. 0-0 e6 8. h3 Bh5 9. Be3 cxd4 10. cxd4 Be7 11. Nc3 Qd7 12. Ne5 Bxe2 13. Qxe2 Nxe5 14. dxe5 Nd5 15. Rac1 Rd8 16. Rfd1 Nxc3 17. bxc3 Qa4 18. Bd4 0-0 19. Qg4 Rfe8 20. Qf3 1/2-1/2

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.07.31"]
[Round "4"]
[White "Royers, Diederik"]
[Black "Van Dijke, Paul"]
[Result "1-0"]
[ECO "C33"]
[PlyCount "61"]
[EventDate "2000.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 d6 5. Nf3 Bg4 6. d4 g5 7. c3 Qh5 8. Nbd2 Bxf3 9. Nxf3 Nd7 10. Qe1 0-0-0 11. h4 f6 12. b4 Re8 13. a4 f5 14. Nxg5 Nh6 15. Bxf4 fxe4 16. Be6 Rxe6 17. Nxe6 Qf5 18. d5 Ne5 19. Kg1 Nhg4 20. Qd2 Nd3 21. Rf1 Qxd5 22. Nxf8 Rxf8 23. Bh6 Rxf1+ 24. Kxf1 Qf5+ 25. Ke2 Qf2+ 26. Kd1 Nxh6 27. Qxh6 e3 28. Qe6+ Kd8 29. Qg8+ Kd7 30. Qxh7+ Ke6 31. Qxd3 1-0

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.07.30"]
[Round "2"]
[White "Quakkelaar, Anton"]
[Black "Royers, Diederik"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "75"]
[EventDate "2000.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. e4 c5 2. b3 d6 3. Bb2 e5 4. Nc3 Nc6 5. Bc4 f5 6. Bxg8 Rxg8 7. Qh5+ g6 8. Qxh7 Rg7 9. Qh6 f4 10. Nf3 Rg8 11. Qh4 Be7 12. Qh7 Be6 13. Nd5 Kd7 14. Nf6+ Kc7 15. Nxg8 Bxg8 16. Qh3 Nb4 17. Kd1 c4 18. g3 cxb3 19. axb3 Rc8 20. gxf4 Kb8 21. Ne1 Qc7 22. Bc3 d5 23. Bxe5 Bd6 24. Bxd6 Qxd6 25. f5 Qf6 26. Ra4 Nc6 27. Rg1 Bf7 28. fxg6 Bxg6 29. Rxg6 Qxg6 30. Qg3+ Qxg3 31. hxg3 d4 32. Nf3 d3 33. cxd3 Rd8 34. Ke2 Ne7 35. d4 Re8 36. Ne5 a6 37. Rc4 Ka7 38. f4 1-0

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.07.30"]
[Round "3"]
[White "Royers, Diederik"]
[Black "Zootjes, Mark"]
[Result "1-0"]
[ECO "C34"]
[PlyCount "83"]
[EventDate "2000.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 Nc6 4. Nf3 d6 5. d4 Be7 6. Bxf4 Nf6 7. Nbd2 a6 8. c3 0-0 9. 0-0 d5 10. Bd3 Re8 11. Qc2 Bd7 12. e5 Nh5 13. Be3 g6 14. Rf2 Ng7 15. Nb3 Qc8 16. Raf1 Bf5 17. Ng5 h6 18. Nxf7 Kxf7 19. g4 Bh4 20. Rf3 Ne7 21. gxf5 Nexf5 22. Bxh6 Kg8 23. Bxg7 Nxg7 24. Bxg6 Qg4+ 25. Qg2 Qxg2+ 26. Kxg2 Rf8 27. Bf7+ Kh8 28. e6 b6 29. Rh3 Nxe6 30. Rxh4+ Kg7 31. Bxe6 Rxf1 32. Kxf1 Rf8+ 33. Kg2 Rf6 34. Rg4+ Kh6 35. Bxd5 Kh5 36. Bf3 Kh6 37. Nd2 a5 38. Ne4 Re6 39. Rg8 Kh7 40. Ng5+ Kxg8 41. Nxe6 Kf7 42. Nxc7 1-0

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.07.29"]
[Round "1"]
[White "Van Lommel, Patrick"]
[Black "Royers, Diederik"]
[Result "1-0"]
[ECO "D96"]
[PlyCount "37"]
[EventDate "2000.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 c6 6. Bf4 dxc4 7. Qxc4 Be6 8. Qd3 Nd5 9. Nxd5 Qxd5 10. e4 Qa5+ 11. Bd2 Qc7 12. Bc3 Nd7 13. d5 Nc5 14. Qe3 Bxc3+ 15. Qxc3 Nxe4 16. Qxh8+ Kd7 17. dxe6+ Kxe6 18. Bc4+ Kf5 19. Qe5+ 1-0

[Event "Soest op"]
[Site "Soest"]
[Date "2000.06.04"]
[Round "7"]
[White "Royers, Diederik"]
[Black "Van Wijk, Rob"]
[Result "0-1"]
[ECO "C33"]
[PlyCount "44"]
[EventDate "2000.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3 c6 5. d4 d5 6. exd5 cxd5 7. Bb3 Be6 8. Bxf4 Nc6 9. Nge2 Bd6 10. 0-0 0-0 11. Bg5 Bxh2+ 12. Kh1 Bc7 13. Bxf6 gxf6 14. Nf4 f5 15. g3 Qg5 16. Bxd5 Rad8 17. Qh5 Bxf4 18. Qxg5+ Bxg5 19. Bxe6 fxe6 20. Rae1 Nxd4 21. Rf2 Rde8 22. Rh2 Nf3 0-1

[Event "Soest op"]
[Site "Soest"]
[Date "2000.06.04"]
[Round "6"]
[White "Van Eerd, Bart"]
[Black "Royers, Diederik"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "48"]
[EventDate "2000.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Be2 Nc6 6. d3 Nf6 7. Be3 Ng4 8. Qd2 Nxe3 9. Qxe3 Nd4 10. Qd2 Bd7 11. 0-0-0 b5 12. h4 b4 13. Nb1 Qa5 14. a3 Rb8 15. axb4 Nxf3 16. Bxf3 Be6 17. e5 Qa1 18. c3 cxb4 19. c4 0-0 20. b3 dxe5 21. fxe5 Bxe5 22. h5 Rbd8 23. hxg6 fxg6 24. Be4 Bf4 0-1

[Event "Soest op"]
[Site "Soest"]
[Date "2000.06.03"]
[Round "4"]
[White "Baak, Karl"]
[Black "Royers, Diederik"]
[Result "1/2-1/2"]
[ECO "A16"]
[PlyCount "38"]
[EventDate "2000.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. dxc3 Qxd1+ 7. Kxd1 Bg4 8. Bf4 c6 9. Kc2 Nd7 10. Nd2 e5 11. Be3 Bc5 12. Bxc5 Nxc5 13. f3 Be6 14. b4 Nd7 15. a4 Ke7 16. a5 Rhd8 17. Bc4 Nf8 18. Rhd1 f6 19. Bb3 Rd7 1/2-1/2

[Event "Soest op"]
[Site "Soest"]
[Date "2000.06.03"]
[Round "5"]
[White "Royers, Diederik"]
[Black "Erwich Eisveld Bosch, Ankie"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "55"]
[EventDate "2000.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Be3 d6 4. Bd3 Nf6 5. h3 0-0 6. f4 Nbd7 7. Nf3 b6 8. Nc3 c5 9. g4 cxd4 10. Nxd4 e5 11. Ndb5 Nc5 12. Bc4 Nfxe4 13. Nxe4 Nxe4 14. Bd5 Qh4+ 15. Kf1 Ng3+ 16. Kg2 Nxh1 17. Bxa8 Ng3 18. Qe1 Bxg4 19. Qxg3 Bxh3+ 20. Qxh3 Qxh3+ 21. Kxh3 Rxa8 22. c3 exf4 23. Bxf4 Be5 24. Bh6 a6 25. Nc7 Ra7 26. Nd5 b5 27. Re1 f6 28. Rf1 1/2-1/2

[Event "Soest op"]
[Site "Soest"]
[Date "2000.06.02"]
[Round "1"]
[White "Baak, Evert"]
[Black "Royers, Diederik"]
[Result "1-0"]
[ECO "A31"]
[PlyCount "71"]
[EventDate "2000.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 c5 5. d4 cxd4 6. Nxd4 Qb6 7. Nc2 d6 8. Be2 Be6 9. 0-0 0-0 10. Ne3 Rc8 11. Kh1 Nbd7 12. Ned5 Qd8 13. Rb1 Nc5 14. f3 a5 15. Bg5 Nxd5 16. Nxd5 f6 17. Be3 Bf7 18. Qd2 Ra6 19. Nc3 Rca8 20. f4 f5 21. e5 Qe8 22. exd6 Bxc3 23. Qxc3 Ne4 24. Qe5 exd6 25. Qd4 Qc6 26. Rbc1 Re8 27. Bf3 Raa8 28. Rfd1 Qa6 29. b3 Qc6 30. Rb1 d5 31. cxd5 Qxd5 32. Qxd5 Bxd5 33. Rbc1 Bc6 34. Bb6 a4 35. Kg1 axb3 36. axb3 1-0

[Event "Soest op"]
[Site "Soest"]
[Date "2000.06.02"]
[Round "2"]
[White "Royers, Diederik"]
[Black "Bos, Hagar"]
[Result "0-1"]
[ECO "B76"]
[PlyCount "52"]
[EventDate "2000.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[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 a6 10. 0-0-0 Nxd4 11. Bxd4 b5 12. a3 Bb7 13. h4 h5 14. gxh5 Nxh5 15. Bxg7 Kxg7 16. Rg1 Rc8 17. Qg5 Rc5 18. Nd5 Bxd5 19. Rxd5 Rxd5 20. exd5 Qb6 21. Bd3 Nf4 22. Rd1 Qe3+ 23. Kb1 Rh8 24. Rg1 Rh5 25. Qg4 Nxd3 26. cxd3 Qxd3+ 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "6"]
[White "Royers, Diederik"]
[Black "Hijweegen, Louis H"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1593"]
[BlackElo "1727"]
[PlyCount "86"]
[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. Nf3 d5 2. d4 Nf6 3. Bg5 e6 4. Nbd2 Be7 5. e3 h6 6. Bh4 c5 7. c3 Nc6 8. Bd3 Ng4 9. Bg3 cxd4 10. exd4 Bd6 11. Qe2 Qc7 12. h3 Bxg3 13. hxg4 Bd6 14. g5 Bd7 15. gxh6 Rxh6 16. Rxh6 gxh6 17. Nf1 0-0-0 18. Ne3 Rg8 19. Kd2 Qa5 20. Bb5 Bf4 21. Bxc6 Bxc6 22. Ne5 Bxe5 23. dxe5 d4 24. Nc4 dxc3+ 25. bxc3 Qd5+ 26. Kc2 Rxg2 27. Nd6+ Kc7 28. Nxf7 Ba4+ 29. Kb2 Qb5+ 30. Qxb5 Rxf2+ 31. Ka3 Bxb5 32. Nxh6 Re2 33. Nf7 Be8 34. Nd6 Bc6 35. Nf7 Bd5 36. c4 Bxc4 37. Rc1 b5 38. Nd6 Rxa2+ 39. Kb4 a5+ 40. Kc5 Rb2 41. Nxc4 bxc4 42. Rxc4 Ra2 43. Kb5+ Kd7 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "5"]
[White "Thuijls, Hans"]
[Black "Royers, Diederik"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1530"]
[BlackElo "1593"]
[PlyCount "49"]
[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. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. e3 Bg4 6. Be2 Nbd7 7. 0-0 dxc4 8. Bxc4 c5 9. dxc5 Nxc5 10. Qxd8+ Rxd8 11. Ne5 0-0 12. Nxg4 Nxg4 13. Be2 Ne5 14. Rd1 Rxd1+ 15. Nxd1 Ned3 16. Nc3 Rd8 17. Rb1 Bxc3 18. bxc3 Nxc1 19. Rxc1 Rd2 20. Bc4 Na4 21. Bb3 Nc5 22. Rd1 Nxb3 23. Rxd2 Nxd2 24. f4 Ne4 25. c4 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "4"]
[White "Royers, Diederik"]
[Black "Van Den Akker, Ton"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1593"]
[BlackElo "1473"]
[PlyCount "72"]
[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. d4 e6 2. Nf3 d6 3. c3 Nf6 4. Bg5 Be7 5. Nbd2 Nbd7 6. e4 e5 7. Bd3 h6 8. Bh4 Ng8 9. Bg3 Bf6 10. Nc4 Qe7 11. Ne3 c6 12. d5 Nc5 13. b4 Nxd3+ 14. Qxd3 Qc7 15. 0-0 Ne7 16. c4 Ng6 17. Rad1 c5 18. b5 b6 19. h3 Bd7 20. Nh2 a5 21. Nhg4 Bg5 22. Nf5 0-0-0 23. Qf3 h5 24. Nge3 Bf6 25. Bh2 Rdf8 26. Rfe1 Kb7 27. Kf1 Rh7 28. Ke2 Nh4 29. Nxh4 Bxh4 30. Bg3 Bd8 31. Kd2 g6 32. Qe2 Bg5 33. Kc3 Bf6 34. Rf1 Bg7 35. f3 f5 36. Bh2 Rhh8 1/2-1/2

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "2"]
[White "Royers, Diederik"]
[Black "Wiersma, Arno A"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1593"]
[BlackElo "1726"]
[PlyCount "80"]
[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 c5 2. d3 Nc6 3. f4 d6 4. Nf3 Bg4 5. Be2 Nf6 6. h3 Bxf3 7. Bxf3 e5 8. Nc3 Be7 9. g4 h6 10. f5 a6 11. Be3 Nd4 12. Bf2 Qc7 13. Bg2 b5 14. Ne2 b4 15. c3 Nxe2 16. Kxe2 bxc3 17. bxc3 Qa5 18. Qc2 Nd7 19. Rab1 Rb8 20. Rxb8+ Nxb8 21. Rb1 0-0 22. Rb7 Bg5 23. Be3 Bxe3 24. Kxe3 c4 25. Qb2 Nc6 26. Bf1 cxd3 27. Kxd3 d5 28. Rb6 dxe4+ 29. Kxe4 Qa4+ 30. Kf3 Qf4+ 31. Kg2 Rd8 32. Kg1 Rd2 33. Qxd2 Qxd2 34. Rxc6 a5 35. Rc8+ Kh7 36. Rc7 Qxa2 37. Bc4 Qa1+ 38. Kh2 Qxc3 39. f6 e4 40. fxg7 Qe5+ 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Hijweegen, Claudia"]
[Black "Royers, Diederik"]
[Result "1/2-1/2"]
[ECO "B12"]
[PlyCount "45"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 Nd7 7. 0-0 Bb4 8. Bd2 Bxd2 9. Nbxd2 Ne7 10. Nh4 0-0 11. Rfd1 Rc8 12. Qb3 b6 13. Nhf3 Nf5 14. c4 dxc4 15. Nxc4 Nb8 16. Ne3 Nxe3 17. Qxe3 Qd5 18. b3 Rfd8 19. Rd2 Rc7 20. Rad1 Rcd7 21. Rc1 Qa5 22. Rdc2 h6 23. h3 1/2-1/2

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Hommes, Lian"]
[Black "Royers, Diederik"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "58"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. e5 Bf5 4. d4 e6 5. g3 Nd7 6. c3 c5 7. Be3 Rc8 8. Bg2 cxd4 9. cxd4 Bb4+ 10. Bd2 Ba5 11. Bxa5 Qxa5+ 12. Qd2 Rc1+ 13. Ke2 Rc2 14. Qxc2 Bxc2 15. Rc1 Qb5+ 16. Ke1 Qxb2 17. Nbd2 Ne7 18. Nf1 Nc6 19. Ne3 Bd3 20. Ng1 0-0 21. Bf3 Nxd4 22. Bg4 Nc2+ 23. Nxc2 Bxc2 24. Bd1 Bxd1 25. Kxd1 Qd4+ 26. Ke1 Qxe5+ 27. Ne2 Nb6 28. Rab1 Qe4 29. Rb2 Nc4 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Jongkind, L."]
[Black "Royers, Diederik"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "69"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nc3 Nb6 7. Be2 Bf5 8. 0-0 e6 9. Bg5 Be7 10. Ne5 Nfd5 11. Bxe7 Qxe7 12. Nxd5 cxd5 13. Bb5+ Kf8 14. Bd3 Bxd3 15. Qxd3 Qc7 16. c3 Nd7 17. Rfe1 Ke7 18. Qf3 Nxe5 19. Rxe5 Rhe8 20. Qh3 h6 21. Qg3 Kf8 22. Qd3 Kg8 23. Rae1 Qa5 24. a3 Qb6 25. Qc2 Rac8 26. Qd2 Rc6 27. R1e3 Qb5 28. Rg3 Qb3 29. h3 Kf8 30. Re2 Rb6 31. Qd3 Qa4 32. Rd2 g6 33. Qe3 Kg7 34. Qe5+ f6 35. Qc7+ 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Royers, Diederik"]
[Black "Bonte, Holger"]
[Result "1-0"]
[ECO "D03"]
[PlyCount "49"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[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. Nf3 e6 3. Bg5 Nf6 4. Nbd2 Be7 5. e3 0-0 6. Ne5 h6 7. Bh4 Nbd7 8. f4 Nxe5 9. fxe5 Nd7 10. Bg3 c5 11. c3 cxd4 12. exd4 f6 13. exf6 Bxf6 14. Bd3 Bh4 15. Qg4 Bxg3+ 16. hxg3 Qf6 17. 0-0-0 e5 18. Rdf1 Qd6 19. Rxf8+ Kxf8 20. Qh4 e4 21. Qd8+ Kf7 22. Rf1+ Kg6 23. Qe8+ Kg5 24. Bxe4 Nf6 25. Qg6# 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Royers, Diederik"]
[Black "Eimers, Nathalie"]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "97"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[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. Nf3 Nf6 3. Bg5 h6 4. Bh4 Nc6 5. Nbd2 Bf5 6. e3 a6 7. Bg3 Nb4 8. Rc1 Nxa2 9. Ra1 Nb4 10. Rc1 e6 11. c4 Bd3 12. cxd5 Bxf1 13. Nxf1 Nbxd5 14. Be5 Bb4+ 15. N1d2 c6 16. 0-0 0-0 17. Qc2 Ng4 18. Rfe1 Nxe5 19. Nxe5 Bd6 20. Ndc4 Nb4 21. Qb3 Be7 22. h3 f6 23. Ng6 Rf7 24. Nxe7+ Qxe7 25. Nb6 Rd8 26. Rc5 Nd5 27. Rec1 Nxb6 28. Qxb6 Qc7 29. Qb3 Rd6 30. Qa4 Kf8 31. R1c3 Rfd7 32. Qb4 Kg8 33. Qa4 Rd5 34. Qb3 Rxc5 35. Qxe6+ Kh7 36. Rxc5 Qd6 37. Qf5+ g6 38. Qc2 Kg7 39. Qc3 Qe6 40. Qc4 Qxc4 41. Rxc4 Rd5 42. Rb4 Rb5 43. Rxb5 axb5 44. Kf1 Kf7 45. Ke2 Ke6 46. Kd3 f5 47. g3 b6 48. f3 c5 49. e4 1/2-1/2

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Royers, Diederik"]
[Black "Tan, Kevin"]
[Result "0-1"]
[ECO "D03"]
[PlyCount "54"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[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. Nf3 Nf6 3. Bg5 e6 4. Nbd2 c5 5. e3 Nc6 6. c3 Be7 7. Bd3 a6 8. Qb1 b5 9. Bxf6 gxf6 10. Bxh7 f5 11. Bxf5 exf5 12. Nf1 cxd4 13. exd4 Rg8 14. g3 Bd6 15. Qc2 Be6 16. 0-0-0 Rc8 17. Kb1 b4 18. Rd3 Qb6 19. Qd1 Rb8 20. cxb4 Bxb4 21. Rb3 Na5 22. Re3 Nc4 23. Rb3 Na5 24. Re3 Bd6 25. b3 Nc4 26. Re2 Qa5 27. Qc2 Na3+ 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Royers, Diederik"]
[Black "Vahl, Laurens"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "117"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 b5 2. e4 Bb7 3. Bd3 e6 4. c3 Nf6 5. Bg5 Be7 6. Nd2 0-0 7. Ngf3 a6 8. Qc2 h6 9. Bxf6 Bxf6 10. 0-0-0 d6 11. Rdg1 Nc6 12. h4 b4 13. Nb3 a5 14. g4 g5 15. hxg5 Bxg5+ 16. Nxg5 Qxg5+ 17. Qd2 a4 18. Rh5 Qxd2+ 19. Nxd2 Ne7 20. Rxh6 Kg7 21. Rgh1 Rh8 22. Rxh8 Rxh8 23. Rxh8 Kxh8 24. Bb5 bxc3 25. bxc3 Bc6 26. Bxc6 Nxc6 27. d5 exd5 28. exd5 Ne5 29. f3 Kg7 30. Kd1 Kg6 31. Ke2 f5 32. gxf5+ Kxf5 33. Ke3 a3 34. c4 c5 35. dxc6 Nxc6 36. Ne4 Ke6 37. Kf4 d5 38. cxd5+ Kxd5 39. Nc3+ Kc4 40. Nb1 Kb4 41. Kg5 Nd4 42. f4 Ne6+ 43. Kg4 Nxf4 44. Kxf4 Kc4 45. Ke4 Kb4 46. Kd4 Kb5 47. Kc3 Ka4 48. Kc4 Ka5 49. Kb3 Kb5 50. Nxa3+ Ka5 51. Nc4+ Kb5 52. a4+ Ka6 53. Kb4 Ka7 54. Kb5 Kb7 55. a5 Ka7 56. Ne3 Kb7 57. Nd5 Ka7 58. a6 Kb8 59. Kb6 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Royers, Diederik"]
[Black "Van Run, Rieke"]
[Result "0-1"]
[ECO "D03"]
[PlyCount "125"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[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. Nf3 Bf5 3. Bg5 Nf6 4. e3 Nc6 5. Bd3 Bg6 6. Bh4 Bxd3 7. Qxd3 g6 8. Nbd2 Bg7 9. Bg3 0-0 10. Ne5 e6 11. Nxc6 bxc6 12. c4 Rb8 13. b3 Qd7 14. cxd5 cxd5 15. Rc1 Rfc8 16. Be5 Rb7 17. Rc5 c6 18. 0-0 Rb6 19. Rfc1 Qb7 20. Bxf6 Bxf6 21. Nf3 Ra6 22. Qc2 Be7 23. Rc3 Ba3 24. Rb1 Bb4 25. Rd3 c5 26. Qd1 cxd4 27. Rxd4 Rxa2 28. Rc1 Ba3 29. Rxc8+ Qxc8 30. e4 Bb2 31. Ra4 Rxa4 32. bxa4 Qc1 33. Qxc1 Bxc1 34. exd5 exd5 35. Kf1 Kf8 36. Ke2 Ke7 37. Kd3 Kd6 38. Kc2 Bh6 39. Kd3 a5 40. Nd4 Kc5 41. Nc2 Bg7 42. f4 f5 43. h3 d4 44. g4 fxg4 45. hxg4 h5 46. gxh5 gxh5 47. Ne1 h4 48. Nf3 Bf6 49. Ng1 Kb4 50. Nf3 Kxa4 51. Nxd4 Bxd4 52. Kxd4 h3 53. f5 h2 54. f6 h1Q 55. f7 Qf3 56. Ke5 Qxf7 57. Kd4 Kb3 58. Ke4 a4 59. Kd4 a3 60. Ke4 a2 61. Kd4 a1R 62. Kc5 Qc4+ 63. Kb6 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Van Assendelft, Floris"]
[Black "Royers, Diederik"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "115"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Bg6 5. h4 h5 6. Be2 hxg4 7. Bxg4 e6 8. h5 Bh7 9. f4 c5 10. c3 Nd7 11. Nf3 Rc8 12. Rf1 cxd4 13. cxd4 Bb4+ 14. Bd2 Bxd2+ 15. Qxd2 Nh6 16. Bh3 Nf5 17. Nc3 Nh4 18. Bg2 Nxf3+ 19. Bxf3 a6 20. f5 Qh4+ 21. Qf2 Qxf2+ 22. Rxf2 Bxf5 23. Bxd5 Rc7 24. Be4 Bxe4 25. Nxe4 Nb6 26. Kd2 Nc4+ 27. Ke2 Nxb2 28. Rb1 Nc4 29. Rb4 Rxh5 30. Rxc4 Rxc4 31. Nd6+ Ke7 32. Rxf7+ Kd8 33. Nxc4 Rh2+ 34. Rf2 Rxf2+ 35. Kxf2 Kc7 36. Ke3 Kc6 37. Kd3 b5 38. Ne3 a5 39. Kc3 b4+ 40. Kc4 g6 41. Kb3 Kb5 42. a4+ bxa3 43. Kxa3 g5 44. d5 exd5 45. Nxd5 Kc6 46. Nf6 Kc7 47. Ka4 Kd8 48. Kxa5 Ke7 49. Ng4 Ke6 50. Kb5 Kd5 51. Kb6 Ke6 52. Kc6 Ke7 53. Kd5 Kd7 54. e6+ Ke7 55. Ke5 Ke8 56. Kf6 Kf8 57. e7+ Ke8 58. Nf2 1-0

