[Event "Dieren"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "2"]
[White "Comp Mephisto Mega IV A"]
[Black "Roggeveen, CM."]
[Result "1-0"]
[ECO "B16"]
[PlyCount "65"]
[EventDate "1988.??.??"]
[EventType "schev"]
[EventRounds "10"]
[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 Nf6 5. Nxf6+ gxf6 6. Nf3 Bg4 7. Be2 Qc7 8. Be3 Nd7 9. 0-0 0-0-0 10. h3 Bh5 11. c4 e5 12. Rc1 Rg8 13. Qc2 Bg6 14. Bd3 Kb8 15. Bf5 Re8 16. d5 c5 17. Nh4 e4 18. Nxg6 hxg6 19. Bxe4 f5 20. Bd3 f4 21. Bd2 f3 22. gxf3 Rh8 23. Kg2 Be7 24. f4 g5 25. fxg5 Reg8 26. f4 Nf6 27. Bc3 Nh5 28. Be5 Rxg5+ 29. fxg5 Qxe5 30. Rxf7 Qg3+ 31. Kf1 Qxh3+ 32. Ke2 Bxg5 33. Kd1 1-0

[Event "Dieren"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "10"]
[White "Comp Mephisto Mega IV B"]
[Black "Roggeveen, CM."]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "82"]
[EventDate "1988.??.??"]
[EventType "schev"]
[EventRounds "10"]
[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. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Bb5 Rc8 9. h3 Bh5 10. a4 e6 11. 0-0 Be7 12. Be3 0-0 13. Rc1 a6 14. Nxd5 Qxd5 15. Be2 Rfd8 16. Ne5 Bxe2 17. Nxc6 Rxc6 18. Qxe2 Rdc8 19. Rxc6 Rxc6 20. Ra1 Qb3 21. Qd1 Qxd1+ 22. Rxd1 Kf8 23. Rd3 a5 24. d5 Rd6 25. Rb3 exd5 26. Rxb7 d4 27. Bd2 d3 28. b4 Bd8 29. bxa5 Bxa5 30. Bxa5 d2 31. Bxd2 Rxd2 32. a5 Ra2 33. Ra7 g6 34. f3 Kg7 35. a6 h5 36. Ra8 Kf6 37. h4 Ra4 38. a7 Ra2 39. Kh1 Kg7 40. Kh2 Kf6 41. Kh3 Ra3 1/2-1/2

[Event "Dieren"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "?"]
[White "Comp Sphinx Galaxy A"]
[Black "Roggeveen, CM."]
[Result "0-1"]
[ECO "A52"]
[PlyCount "98"]
[EventDate "1988.??.??"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nbd2 Qe7 7. a3 Ngxe5 8. Nxe5 Nxe5 9. e3 Bxd2+ 10. Qxd2 d6 11. Be2 0-0 12. 0-0 b6 13. Bxe5 Qxe5 14. Bf3 Rb8 15. b3 Re8 16. Bc6 Re7 17. Rfe1 Be6 18. Qc2 Bf5 19. e4 Bd7 20. Bxd7 Rxd7 21. b4 Re8 22. Qa4 Rde7 23. Qxa7 Qd4 24. Qa4 Kf8 25. Rac1 Rxe4 26. Rxe4 Qxe4 27. Qd1 Ra8 28. c5 bxc5 29. bxc5 d5 30. Rb1 c6 31. Rb4 Qe7 32. Qc1 Re8 33. f3 Qe1+ 34. Qxe1 Rxe1+ 35. Kf2 Rc1 36. Ke3 Rxc5 37. Kd3 Ke7 38. a4 Ra5 39. Rg4 g6 40. Kc3 c5 41. Kb3 Kd6 42. f4 c4+ 43. Kb4 Ra8 44. a5 Rb8+ 45. Kc3 Rb3+ 46. Kd2 Ra3 47. Rh4 h5 48. f5 Rxa5 49. fxg6 fxg6 0-1

[Event "Dieren"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "6"]
[White "Comp Sphinx Galaxy C"]
[Black "Roggeveen, CM."]
[Result "1-0"]
[ECO "B11"]
[PlyCount "69"]
[EventDate "1988.??.??"]
[EventType "schev"]
[EventRounds "10"]
[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. Nc3 Bg4 4. h3 Bh5 5. exd5 cxd5 6. g4 Bg6 7. Bb5+ Nc6 8. Ne5 Rc8 9. h4 f6 10. Nxg6 hxg6 11. d4 e6 12. Qd3 Kf7 13. Bf4 Bb4 14. 0-0-0 Qa5 15. h5 gxh5 16. gxh5 Nge7 17. Bd2 a6 18. Bxc6 Rxc6 19. a3 Bxc3 20. Bxc3 Qc7 21. Qe2 b5 22. Qg4 a5 23. Rhg1 Nf5 24. Kb1 Rc4 25. Qg6+ Kf8 26. Bd2 Rxd4 27. h6 Nxh6 28. Bb4+ axb4 29. Rxd4 bxa3 30. Rd3 b4 31. bxa3 Nf5 32. axb4 Qb6 33. Rc3 Qxb4+ 34. Rb3 Qd6 35. Rb7 1-0

[Event "Dieren"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "1"]
[White "Roggeveen, CM."]
[Black "Comp Mephisto Mega IV A"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "68"]
[EventDate "1988.??.??"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 Nf6 7. Nf3 Bg4 8. h3 Bd7 9. Be3 Nh5 10. Bf2 Qb6 11. Nd5 Qd8 12. g4 Nf6 13. Ne3 0-0 14. c3 Qb6 15. Qe2 Rad8 16. 0-0 Qa6 17. Rfe1 h6 18. Bh4 Rfe8 19. Nd5 Rc8 20. Qd2 Be6 21. Ne3 Red8 22. f5 Bd7 23. g5 hxg5 24. Bxg5 Rf8 25. Nh4 Nh7 26. Ng4 Nxg5 27. Qxg5 Qxd3 28. Rad1 Qc4 29. fxg6 Bxg4 30. hxg4 Qxa2 31. Nf5 Bf6 32. Qh5 fxg6 33. Qxg6+ Kh8 34. Rd3 Bd4+ 1-0

[Event "Dieren"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "9"]
[White "Roggeveen, CM."]
[Black "Comp Mephisto Mega IV C"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "80"]
[EventDate "1988.??.??"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 Nf6 7. Nf3 Bg4 8. h3 Bd7 9. Be3 Nh5 10. Bf2 Qb6 11. Nd5 Qd8 12. c3 e6 13. Ne3 d5 14. exd5 exd5 15. 0-0 0-0 16. Ng4 Qb6 17. Qd2 Rae8 18. Rfe1 h6 19. Nfe5 Bxg4 20. Nxg4 d4 21. f5 Kh7 22. Rxe8 Rxe8 23. Be4 Nf6 24. Nxf6+ Bxf6 25. h4 Re5 26. g4 g5 27. Bg3 Re8 28. hxg5 Bxg5 29. Bf4 Bxf4 30. Qxf4 Qxb2 31. f6+ Kg8 32. Rf1 Qe2 33. Rf2 Qe1+ 34. Kg2 Ne5 35. Qf5 Ng6 36. Qh5 Rxe4 37. dxe4 Qxe4+ 38. Kg3 Qe3+ 39. Kg2 Nf4+ 40. Rxf4 Qxf4 0-1

[Event "Dieren"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "7"]
[White "Roggeveen, CM."]
[Black "Comp Sphinx Galaxy B"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "94"]
[EventDate "1988.??.??"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 Nbd7 4. e3 c5 5. c3 Nh5 6. Bg5 h6 7. Bh4 g5 8. Bg3 Qb6 9. Qc2 Nxg3 10. hxg3 Bg7 11. Nbd2 g4 12. Nh4 h5 13. Nf5 Bf6 14. Be2 e6 15. Nh4 e5 16. 0-0-0 exd4 17. exd4 cxd4 18. cxd4 Bxd4 19. Nb3 Bxf2 20. Rxd5 Bxg3 21. Nf5 Nf6 22. Bb5+ Kf8 23. Qc3 Qc7 24. Qc5+ Qxc5+ 25. Rxc5 Bf4+ 26. Kd1 Be6 27. Rf1 Ne4 28. Rxf4 Bxb3+ 29. axb3 Nxc5 30. Bc4 Rd8+ 31. Kc2 Rd7 32. Kc3 Ne6 33. Re4 Nc7 34. b4 Nd5+ 35. Kb3 Nf6 36. Rf4 Kg8 37. Bb5 Rd2 38. Ne7+ Kf8 39. Nf5 Rxg2 40. Rc4 Kg8 41. Rc7 Rf2 42. Bd3 Rf3 43. Kc4 Rf4+ 44. Kc5 Ne4+ 45. Bxe4 Rxe4 46. Nd6 g3 47. Nxe4 g2 0-1

[Event "Dieren"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "5"]
[White "Roggeveen, CM."]
[Black "Comp Turbo King A"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "38"]
[EventDate "1988.??.??"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 c6 2. e4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nc3 Qb6 7. Nge2 Qa6 8. Qh3 c5 9. Nxd5 exd5 10. Qc8+ Ke7 11. Qxc5+ Ke8 12. Qc8+ Ke7 13. Bd2 Nd7 14. Bb4+ Ke6 15. Nf4+ Kf5 16. Qxd7+ Kg5 17. Bd2 f5 18. h4+ Kh6 19. Qxf5 Qf1+ 1-0

[Event "Dieren"]
[Site "Dieren"]
[Date "1988.??.??"]
[Round "3"]
[White "Roggeveen, CM."]
[Black "Comp Turbo King C"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "78"]
[EventDate "1988.??.??"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Nf3 Bb4 4. Bc4 d6 5. d3 Be6 6. Bb3 Bxc3+ 7. bxc3 Nc6 8. 0-0 d5 9. exd5 Bxd5 10. Nxe5 Nxe5 11. Re1 Qe7 12. Bf4 Bxb3 13. axb3 Nfd7 14. d4 0-0 15. Bxe5 Nxe5 16. Rxe5 Qd6 17. Qe2 a6 18. Re1 c6 19. Re7 b6 20. Qd3 h6 21. Qe4 Rad8 22. Qe5 Qe6 23. Re2 Rd5 24. Qe4 Qd6 25. f4 Ra5 26. c4 Ra1+ 27. Kf2 Qf6 28. g3 Rd1 29. Rd7 c5 30. d5 Qa1 31. Re1 Rd2+ 32. Re2 Rxe2+ 33. Qxe2 Qh1 34. Re7 Qxh2+ 35. Kf3 Qh1+ 36. Ke3 Qg1+ 37. Kf3 Qh1+ 38. Kf2 Qh2+ 39. Kf3 Qh1+ 1/2-1/2

[Event "Alekhine sim"]
[Site "Jakarta"]
[Date "1933.??.??"]
[Round "?"]
[White "Alekhine, Alexander"]
[Black "Roggeveen, CM."]
[Result "1-0"]
[ECO "B46"]
[PlyCount "119"]
[EventDate "1933.??.??"]
[EventType "simul"]
[EventRounds "1"]
[EventCountry "INA"]
[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 e6 6. a3 a6 7. Be2 Be7 8. 0-0 d6 9. Kh1 Bd7 10. f4 Qc7 11. Be3 Na5 12. Bd3 Nc4 13. Bc1 Rc8 14. a4 Qb6 15. Nb3 Ne3 16. Bxe3 Qxe3 17. Na5 Bc6 18. Nc4 Qc5 19. e5 Nd7 20. exd6 Bxd6 21. Nxd6+ Qxd6 22. Ne4 Qb4 23. c3 Qe7 24. Bc2 0-0 25. Qh5 Bxe4 26. Bxe4 Nf6 27. Qh4 Qc7 28. Bf3 Rfd8 29. Rfd1 Rxd1+ 30. Rxd1 Rd8 31. Qe1 Rxd1 32. Qxd1 Kf8 33. Qd4 Nd7 34. b4 b6 35. g3 e5 36. fxe5 Nxe5 37. Bd5 f6 38. c4 Ke7 39. Kg2 Qd6 40. c5 bxc5 41. bxc5 Qc7 42. Be4 g6 43. Qb4 a5 44. Qb5 Nd7 45. c6 Ne5 46. Qc5+ Ke8 47. Bd5 Nf7 48. Qb5 Nd6 49. Qb2 Nf5 50. Be4 Nd6 51. Bf3 Kf7 52. Bd5+ Kg7 53. Qe2 Nf5 54. Qe6 Ne7 55. Qf7+ Kh6 56. Qf8+ Kh5 57. Qxf6 Nf5 58. Bf3+ Kh6 59. Qf8+ Qg7 60. Qxg7+ 1-0

