[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1996.04.17"]
[Round "6"]
[White "Comp Turning Point"]
[Black "Wolthuis, Willem"]
[Result "0-1"]
[ECO "C65"]
[BlackElo "2130"]
[PlyCount "118"]
[EventDate "1996.04.??"]
[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 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 Nxd4 5. Nxd4 exd4 6. e5 Nd5 7. Qxd4 c6 8. 0-0 Qb6 9. Qxb6 Nxb6 10. Bd3 d6 11. exd6 Bxd6 12. Re1+ Be6 13. Bf5 Kd7 14. Bxe6+ fxe6 15. Bg5 h6 16. Bh4 g5 17. Bg3 Bxg3 18. fxg3 Rad8 19. Nc3 Rhe8 20. Ne4 Kc7 21. Rf1 Nd5 22. c4 Ne3 23. Rf7+ Kb8 24. b3 Rf8 25. Rxf8 Rxf8 26. Nc5 Rd8 27. Re1 Nf5 28. Nxe6 Rd2 29. Rf1 Ne7 30. a3 b6 31. Rf6 Rd3 32. Rxh6 Rxb3 33. Nxg5 Rxa3 34. Re6 Nc8 35. Rxc6 a5 36. Nf3 a4 37. Re6 Rc3 38. Nd2 Rc2 39. Re2 Nd6 40. Kf1 Nxc4 41. Nf3 Rc1+ 42. Kf2 a3 43. g4 Nb2 44. Re8+ Kc7 45. Ra8 Nc4 46. Nd4 Na5 47. Nb5+ Kb7 48. Ra7+ Kb8 49. Rxa5 bxa5 50. Nxa3 Rc3 51. Nb5 Rc5 52. Na3 Rc3 53. Nb5 Rb3 54. Nd4 a4 55. g5 Rb6 56. g6 Rxg6 57. Nc2 Rc6 58. Na3 Rc3 59. g4 Rxa3 0-1

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1996.04.16"]
[Round "5"]
[White "Wolthuis, Willem"]
[Black "Comp Ant"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2130"]
[PlyCount "107"]
[EventDate "1996.04.??"]
[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 Nf6 3. g3 d5 4. Bg2 Bd6 5. c4 dxc4 6. Qa4+ c6 7. Qxc4 0-0 8. Nc3 b5 9. Qd3 b4 10. Ne4 Ba6 11. Nxf6+ Qxf6 12. Qc2 Qg6 13. Qxg6 hxg6 14. Bf4 Bxf4 15. gxf4 Nd7 16. Ne5 Nxe5 17. fxe5 Rac8 18. Rc1 Bb5 19. Rc5 Rfd8 20. e3 a5 21. Kd2 Rc7 22. Be4 Kh7 23. h4 f5 24. exf6 gxf6 25. Rhc1 Rdc8 26. f4 a4 27. h5 f5 28. hxg6+ Kxg6 29. Bd3 Bxd3 30. Kxd3 Kf6 31. Ra5 b3 32. a3 Rg8 33. Rxa4 Rg2 34. Ra6 Rxb2 35. Rcxc6 Rxc6 36. Rxc6 Rb1 37. Rb6 Ke7 38. Kc3 Re1 39. Rxb3 Rxe3+ 40. Kc4 Re1 41. a4 Ra1 42. Kb5 Kd6 43. a5 Kd5 44. Rb4 Ra2 45. a6 Kd6 46. Kb6 Rc2 47. a7 Rc8 48. Kb7 Rd8 49. a8Q Rxa8 50. Kxa8 Kd5 51. Kb7 Kd6 52. Kb6 Kd5 53. Kb5 Kd6 54. Ra4 1-0

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1996.04.15"]
[Round "4"]
[White "Wolthuis, Willem"]
[Black "Comp Diogenes"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2130"]
[PlyCount "80"]
[EventDate "1996.04.??"]
[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. Nf3 e6 3. Bg5 h6 4. Bh4 g5 5. Bg3 Ne4 6. Nbd2 Nxg3 7. hxg3 Bg7 8. e3 d6 9. Bd3 Nd7 10. Nb3 b6 11. Qe2 Bb7 12. e4 Qf6 13. c3 0-0-0 14. a4 e5 15. a5 d5 16. dxe5 Nxe5 17. Nxe5 Qxe5 18. axb6 axb6 19. 0-0 dxe4 20. Ba6 Qd5 21. Bc4 Qf5 22. Ra7 Kb8 23. Rfa1 Rd7 24. g4 Qf6 25. Nd4 c5 26. Bb5 Rc7 27. Nf5 Bd5 28. Rxc7 Kxc7 29. Bc4 Bb7 30. Ra7 Kb8 31. Rxb7+ Kxb7 32. Qxe4+ Kc7 33. Bb5 Rg8 34. Ne7 Rd8 35. Nd5+ Rxd5 36. Qxd5 Qe6 37. Qf3 Qe1+ 38. Kh2 Qe5+ 39. g3 Qe6 40. Qa8 Be5 1/2-1/2

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1996.04.??"]
[Round "2"]
[White "Comp Ananse"]
[Black "Wolthuis, Willem"]
[Result "0-1"]
[ECO "C23"]
[BlackElo "2130"]
[PlyCount "90"]
[EventDate "1996.04.??"]
[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 e5 2. Bc4 Nc6 3. d3 Bc5 4. Qf3 Nf6 5. c3 d6 6. Bg5 h6 7. Bxf6 Qxf6 8. Nd2 a6 9. Ne2 Be6 10. Qxf6 gxf6 11. Bxe6 fxe6 12. b4 Ba7 13. 0-0 Ke7 14. Rab1 b5 15. a4 Bb6 16. axb5 axb5 17. Ra1 f5 18. exf5 exf5 19. Rxa8 Rxa8 20. Ng3 Ra2 21. Rd1 Ke6 22. Nh5 Rc2 23. d4 exd4 24. cxd4 Bxd4 25. h4 Nxb4 26. Nf4+ Kd7 27. h5 c5 28. Ng6 Nd3 29. Nf3 Bxf2+ 30. Kh1 c4 31. Ra1 Rc1+ 32. Rxc1 Nxc1 33. Nf8+ Kc6 34. Ng6 b4 35. Ne7+ Kd7 36. Nxf5 b3 37. Nd2 d5 38. Nxh6 Be3 39. Nf7 Bxd2 40. Ne5+ Kd6 41. h6 Bxh6 42. Nf7+ Ke6 43. Nxh6 b2 44. g4 b1Q 45. Kg1 Qg6 0-1

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1996.04.??"]
[Round "3"]
[White "Comp Schach"]
[Black "Wolthuis, Willem"]
[Result "1-0"]
[ECO "C67"]
[BlackElo "2130"]
[PlyCount "37"]
[EventDate "1996.04.??"]
[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 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Be7 6. Qe2 d5 7. Nxe5 Bd7 8. Bxc6 Bxc6 9. Re1 Bd7 10. Bf4 c6 11. Nd2 Nxd2 12. Bxd2 Be6 13. Nxf7 Kxf7 14. Qxe6+ Kf8 15. Re3 Qd6 16. Rf3+ Ke8 17. Qxd6 Bxd6 18. Re1+ Kd8 19. Rf7 1-0

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1996.04.??"]
[Round "1"]
[White "Wolthuis, Willem"]
[Black "Comp The King"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2130"]
[PlyCount "62"]
[EventDate "1996.04.??"]
[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 c5 3. e3 e6 4. Nf3 d5 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 a6 8. dxc5 Bxc5 9. 0-0 b5 10. Be2 Bb7 11. a3 Qc7 12. b4 Bxb4 13. axb4 Qxc3 14. Bd2 Qc6 15. Rc1 Qe4 16. Ne1 Qd5 17. f3 0-0 18. e4 Qd4+ 19. Kh1 Rac8 20. Nc2 Qb2 21. Be3 Rfd8 22. Bd4 Qa2 23. Ne3 Rxc1 24. Qxc1 Qxe2 25. Qc7 Rb8 26. Ba7 Rc8 27. Qxb7 Rc3 28. Bc5 h6 29. Bd4 Rxe3 30. Rc1 Rd3 31. Qc8+ Kh7 0-1

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1995.??.??"]
[Round "2"]
[White "Comp Mephisto Berlin 6802"]
[Black "Wolthuis, Willem"]
[Result "1-0"]
[ECO "D18"]
[PlyCount "58"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 Nbd7 9. Nh4 Bg4 10. f3 Bh5 11. g4 Nd5 12. Ng2 Bg6 13. Na2 Be7 14. e4 N5b6 15. Bb3 h5 16. a5 Nc8 17. Nf4 Nf8 18. a6 b5 19. gxh5 Bxh5 20. Be3 Nb6 21. Qc2 Rc8 22. Nc3 Ng6 23. Nxh5 Rxh5 24. Qg2 Bg5 25. f4 Bh6 26. Bxe6 Qd6 27. Bxc8 Nxf4 28. Qf3 Ne2+ 29. Qxe2 Bxe3+ 1-0

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1995.??.??"]
[Round "6"]
[White "Comp Schaakmeester 2.0"]
[Black "Wolthuis, Willem"]
[Result "1-0"]
[ECO "D17"]
[PlyCount "69"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 Bb4 8. Nxc4 0-0 9. Bg5 h6 10. Bh4 Bh7 11. e4 Nbd7 12. Qb3 a5 13. Rd1 Re8 14. Bd3 g5 15. Bg3 Qe7 16. Bf2 Rad8 17. 0-0 e5 18. Na2 exd4 19. Nxb4 Nc5 20. Nxc6 bxc6 21. Qb6 Nfd7 22. Qxc6 Ne6 23. Qb5 Rb8 24. Qxa5 Ndc5 25. Bc2 Red8 26. Bg3 Nf4 27. Bxf4 gxf4 28. Rd2 d3 29. Bd1 Bxe4 30. fxe4 Nxe4 31. Re1 Rd4 32. b3 Qh4 33. Ra2 d2 34. Rf1 Qe1 35. Rxe1 1-0

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1995.??.??"]
[Round "4"]
[White "Comp Socrates"]
[Black "Wolthuis, Willem"]
[Result "1-0"]
[ECO "D45"]
[PlyCount "75"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Be2 0-0 8. 0-0 Qe7 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Nf6 12. Qh4 Nd7 13. Bg5 f6 14. Bd3 g6 15. Bh6 Re8 16. Rfe1 Nf8 17. Bf4 Bxf4 18. Qxf4 Kg7 19. Re3 g5 20. Qg3 Ng6 21. h4 h6 22. hxg5 hxg5 23. Bxg6 Kxg6 24. Nh4+ Kf7 25. Nf5 exf5 26. Rxe7+ Rxe7 27. Rc1 Be6 28. Qd3 Rd8 29. Re1 Rdd7 30. f3 Kf8 31. Kf2 Ke8 32. Rh1 Kd8 33. Rh6 Rf7 34. Rh8+ Kc7 35. Qc3 f4 36. Qa5+ Kd6 37. Qa3+ Kc7 38. c5 1-0

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1995.??.??"]
[Round "3"]
[White "Wolthuis, Willem"]
[Black "Comp Chess System Tal"]
[Result "1-0"]
[ECO "D63"]
[PlyCount "89"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 0-0 7. Rc1 dxc4 8. Bxc4 b6 9. 0-0 Bb7 10. Qe2 c5 11. Rfd1 Qb8 12. Bf4 Bd6 13. Bg3 Bxg3 14. hxg3 Rc8 15. Ba6 cxd4 16. Bxb7 Qxb7 17. Nxd4 Nc5 18. b4 Nce4 19. Nxe4 Nxe4 20. Qf3 h6 21. b5 Rxc1 22. Rxc1 Rd8 23. Nc6 Ng5 24. Qe2 Rd6 25. Rd1 Qd7 26. Rxd6 Qxd6 27. Nxa7 Qa3 28. Nc6 g6 29. Qc4 Kh7 30. Ne5 Qd6 31. Qd4 Ne4 32. Nxf7 Qxd4 33. exd4 Nc3 34. Nd6 Nxa2 35. Kf1 Nc3 36. Ke1 Kg7 37. Kd2 Nd5 38. Kd3 Kf6 39. g4 Kg5 40. Ke4 Kxg4 41. Ke5 h5 42. Ne4 Nc7 43. Nc3 h4 44. Kd6 Nd5 45. Nxd5 1-0

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1995.??.??"]
[Round "5"]
[White "Wolthuis, Willem"]
[Black "Comp Pandix"]
[Result "1/2-1/2"]
[ECO "D54"]
[PlyCount "106"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 0-0 6. Rc1 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Bd3 c5 12. Ne2 Be6 13. 0-0 Nd7 14. Qa4 c4 15. Bb1 Nf6 16. b3 Rfc8 17. bxc4 Rxc4 18. Rxc4 dxc4 19. e4 Rb8 20. e5 Nh5 21. f4 Qc7 22. Nc3 Qd7 23. Qxd7 Bxd7 24. f5 g6 25. fxg6 Rf8 26. gxf7+ Rxf7 27. Rxf7 Kxf7 28. d5 Ke7 29. g3 b5 30. a3 a5 31. Bg6 b4 32. axb4 axb4 33. Ne2 Ng7 34. Nd4 b3 35. Kf2 b2 36. Ke3 Kd8 37. e6 Be8 38. Bb1 Ke7 39. Ne2 Bh5 40. Nc3 Ne8 41. Na4 Nc7 42. Nxb2 Nxd5+ 43. Kd4 c3 44. Nd3 Nc7 45. Nf4 Nxe6+ 46. Kxc3 Bf3 47. Kd2 Nc5 48. Ke3 Bb7 49. Kd4 Nb3+ 50. Ke5 Nd2 51. Ba2 Nf3+ 52. Kf5 Nxh2 53. Kg6 Nf1 1/2-1/2

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1995.??.??"]
[Round "1"]
[White "Wolthuis, Willem"]
[Black "Comp Zugzwang"]
[Result "1/2-1/2"]
[ECO "D54"]
[PlyCount "40"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 0-0 7. Rc1 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Bd3 c5 12. Ne2 Be6 13. 0-0 Nd7 14. Qa4 c4 15. Bb1 Nf6 16. b3 Bd7 17. Qa6 Bc8 18. Qa4 Bd7 19. Qa6 Bc8 20. Qa4 Bd7 1/2-1/2

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1994.??.??"]
[Round "4"]
[White "Comp Ecume"]
[Black "Wolthuis, Willem"]
[Result "1/2-1/2"]
[ECO "C44"]
[PlyCount "102"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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. c3 Nf6 4. d4 Nxe4 5. d5 Nb8 6. Nxe5 Be7 7. Qg4 Bf6 8. Nxd7 Qe7 9. Nxf6+ Nxf6+ 10. Qe2 Nxd5 11. Qxe7+ Nxe7 12. Bc4 0-0 13. Bf4 c6 14. 0-0 Ng6 15. Bd6 Re8 16. Na3 Bf5 17. Rfd1 Nd7 18. Bf1 Nb6 19. Nc4 Nxc4 20. Bxc4 Rad8 21. Bc5 b6 22. Rxd8 Rxd8 23. Be3 Ne5 24. Ba6 Be6 25. b3 f6 26. h3 Kf7 27. Kh2 Ke7 28. Be2 h6 29. f4 Nf7 30. Re1 Kf8 31. c4 c5 32. Bf3 Rd6 33. a3 f5 34. b4 Bxc4 35. bxc5 Rd3 36. cxb6 axb6 37. Bxb6 g5 38. fxg5 hxg5 39. a4 Rd2 40. a5 Kg7 41. Rd1 Rxd1 42. Bxd1 Ne5 43. Bd4 Kf6 44. Bf3 Ba6 45. Bd5 f4 46. h4 gxh4 47. Kh3 Kf5 48. Kxh4 Nc4 49. g4+ fxg3 50. Bxc4 Bxc4 51. Kxg3 Ke4 1/2-1/2

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1994.??.??"]
[Round "6"]
[White "Comp Gandalf"]
[Black "Wolthuis, Willem"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "198"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 d6 8. 0-0 a6 9. Nxc6 Nxc6 10. Bxc5 dxc5 11. Na3 0-0 12. Bd5 Ne7 13. f4 c6 14. Bb3 Be6 15. Qd6 Bxb3 16. Qxf6 gxf6 17. axb3 Rad8 18. Nc4 Rfe8 19. Rfd1 Ng6 20. Nd6 Re7 21. Nf5 Red7 22. Rxd7 Rxd7 23. g3 Rd2 24. h3 h5 25. Ra2 h4 26. Nxh4 Nxh4 27. gxh4 Kg7 28. Kf1 Kg6 29. Ke1 Rh2 30. Ra5 Rxh3 31. f5+ Kg7 32. Ke2 Rh2+ 33. Kd3 Rxb2 34. Kc4 b5+ 35. Kxc5 Rxb3 36. Kd4 c5+ 37. Kd3 Rb2 38. Rxa6 c4+ 39. Ke3 Rh2 40. Rb6 Rh3+ 41. Kd4 Rd3+ 42. Kc5 Rxc3 43. Rxb5 Rc1 44. Kd4 c3 45. Rc5 c2 46. Kd3 Rd1+ 47. Kxc2 Rd4 48. e5 fxe5 49. Rxe5 Rxh4 50. Kd3 Kf6 51. Rb5 Rf4 52. Rc5 Rxf5 53. Rc8 Re5 54. Kd4 Re1 55. Rc5 Kg6 56. Rc8 Kf5 57. Rc2 f6 58. Rf2+ Ke6 59. Rb2 f5 60. Rb6+ Kf7 61. Rh6 Re6 62. Rh4 Re1 63. Rh6 Re4+ 64. Kd3 Re6 65. Rh8 Kg6 66. Rg8+ Kf6 67. Kd4 f4 68. Rd8 Kf5 69. Kd3 Kg4 70. Rf8 Kf3 71. Kd4 Re4+ 72. Kd3 Ra4 73. Rf6 Ra3+ 74. Kd2 Re3 75. Rf8 Re2+ 76. Kd3 Ra2 77. Rf7 Kg3 78. Ke4 Ra4+ 79. Kd3 f3 80. Ke3 Ra3+ 81. Kd2 Kf2 82. Kc2 Ke2 83. Rg7 Re3 84. Rd7 f2 85. Rd2+ Kf3 86. Rd1 Re1 87. Rd7 f1Q 88. Rf7+ Ke2 89. Re7+ Kf3 90. Rf7+ Ke4 91. Re7+ Kd5 92. Rd7+ Kc6 93. Rd8 Qc4+ 94. Kb2 Re2+ 95. Rd2 Qb4+ 96. Kc2 Qxd2+ 97. Kb3 Re3+ 98. Ka4 Qb2 99. Ka5 Qb5# 0-1

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1994.??.??"]
[Round "3"]
[White "Comp Milobarus"]
[Black "Wolthuis, Willem"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "64"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. d3 Bc5 4. Nf3 Nf6 5. 0-0 d6 6. Nc3 a6 7. Bg5 h6 8. Bh4 Be6 9. Bxe6 fxe6 10. Bxf6 Qxf6 11. Na4 Ba7 12. Qd2 g5 13. Nc3 0-0-0 14. Rad1 Rdg8 15. h3 h5 16. Ne2 g4 17. Ne1 gxh3 18. g3 h4 19. g4 Rxg4+ 20. Kh2 Bxf2 21. Kxh3 Rhg8 22. d4 Bxe1 23. Rxf6 Bxd2 24. Rxd2 Rxe4 25. c3 Re3+ 26. Kh2 h3 27. Ng1 exd4 28. cxd4 Nxd4 29. b3 Rg2+ 30. Rxg2 hxg2 31. Kxg2 Rc3 32. Nh3 Rc2+ 0-1

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1994.??.??"]
[Round "1"]
[White "Wolthuis, Willem"]
[Black "Comp Check Check"]
[Result "1/2-1/2"]
[ECO "D59"]
[PlyCount "164"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Rc1 Be6 12. Bd3 c5 13. 0-0 c4 14. Bb1 Nc6 15. Qc2 f5 16. g3 Bd7 17. Qd2 Qd6 18. Rcd1 Rae8 19. Rfe1 Re7 20. Ne5 Nxe5 21. dxe5 Rxe5 22. f4 Re6 23. Qxd5 Qxd5 24. Rxd5 Re7 25. Kf2 Ref7 26. Red1 Bc6 27. Rd6 Ba4 28. R1d5 Kh8 29. h4 Kg8 30. Kf3 Kh8 31. g4 fxg4+ 32. Kxg4 Re7 33. e4 Ref7 34. f5 Re7 35. e5 Rg8 36. Be4 Rge8 37. Kf4 Kg8 38. e6 Kh8 39. Ke5 Kg8 40. Rd4 Bb5 41. Bf3 Rf8 42. Bh5 Rc7 43. Rd8 Rc5+ 44. Ke4 Rcxf5 45. e7 Bc6+ 46. R4d5 Bxd5+ 47. Rxd5 Rf4+ 48. Ke3 Rxh4 49. Rd8 Rhf4 50. Bg4 g5 51. Be6+ Kg7 52. exf8Q+ Rxf8 53. Rxf8 Kxf8 54. Bxc4 Kg7 55. Kf3 h5 56. Ke4 Kf6 57. Be2 Kg6 58. Bb5 Kh6 59. Kf5 g4 60. Kf4 Kg6 61. a4 Kf6 62. Bc4 Kg6 63. Bb5 Kf7 64. Kg3 Kf6 65. Be8 Kg5 66. Bc6 h4+ 67. Kf2 Kf4 68. Kg2 Kf5 69. b3 Ke5 70. Bd7 Kf4 71. Bc6 Ke5 72. Kf2 Kf4 73. Bd7 h3 74. Bc6 g3+ 75. Kg1 Kg5 76. Bd7 Kh4 77. Kh1 h2 78. Kg2 Kg5 79. Bc6 Kg4 80. Bf3+ Kf4 81. Bd1 Ke3 82. Bf3 h1B+ 1/2-1/2

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1994.??.??"]
[Round "2"]
[White "Wolthuis, Willem"]
[Black "Comp Hiarcs"]
[Result "0-1"]
[ECO "A47"]
[PlyCount "80"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Be2 Be7 6. h3 0-0 7. 0-0 c5 8. dxc5 bxc5 9. c4 Nc6 10. Nc3 d5 11. Qb3 Na5 12. Qa3 Nxc4 13. Bxc4 dxc4 14. Ne5 Qb6 15. Nxc4 Qb4 16. Qa4 Nd5 17. Qxb4 cxb4 18. Nxd5 Bxd5 19. Rac1 Rfd8 20. b3 Rac8 21. Rfd1 f6 22. Bg3 e5 23. Kf1 Bxc4+ 24. bxc4 Rxd1+ 25. Rxd1 Rxc4 26. Rd7 Bc5 27. Rc7 Rc1+ 28. Ke2 Bxe3 29. Rxc1 Bxc1 30. Kd3 Kf7 31. f3 Ke6 32. Be1 a5 33. Kc4 f5 34. Bf2 e4 35. Bd4 e3 36. Kd3 f4 37. Bxg7 a4 38. Bh6 b3 39. axb3 a3 40. Bxf4 a2 0-1

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1994.??.??"]
[Round "5"]
[White "Wolthuis, Willem"]
[Black "Comp Zarkov 3.0"]
[Result "0-1"]
[ECO "D27"]
[PlyCount "128"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 c5 4. e3 Nf6 5. Bxc4 e6 6. 0-0 a6 7. a4 Nc6 8. Nc3 Be7 9. d5 exd5 10. Nxd5 Nxd5 11. Bxd5 Nb4 12. Be4 Bd6 13. Bd2 f5 14. Bb1 0-0 15. Ra3 Qe7 16. Bxb4 cxb4 17. Rd3 Rd8 18. Ba2+ Kh8 19. Qb3 b5 20. Rfd1 Bb7 21. axb5 Be4 22. R3d2 axb5 23. Qe6 Bc5 24. Rxd8+ Rxd8 25. Rxd8+ Qxd8 26. h3 Qd1+ 27. Kh2 Qd6+ 28. Ne5 Qxe6 29. Bxe6 g6 30. g4 Bd6 31. f4 Bc5 32. Kg3 Bxe3 33. b3 Kg7 34. g5 Bd2 35. Nf3 Bc3 36. Kf2 h6 37. h4 hxg5 38. hxg5 Kf8 39. Nh4 Bd4+ 40. Kg3 Kg7 41. Nf3 Bc5 42. Ne5 Bb6 43. Nd7 Bd4 44. Ne5 Bc3 45. Nf3 Kf8 46. Kf2 Ke7 47. Bg8 Bb7 48. Nh4 Kf8 49. Be6 Kg7 50. Nf3 Bb2 51. Ne5 Bxe5 52. fxe5 Kf8 53. Ke3 Ke7 54. Bg8 Bc8 55. Bd5 Be6 56. Bc6 Bxb3 57. Bxb5 Bd5 58. Kd4 Ke6 59. Ba6 b3 60. Bc8+ Ke7 61. Kc3 f4 62. Ba6 f3 63. Bf1 Ke6 64. Kd4 b2 0-1

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1993.04.??"]
[Round "6"]
[White "Comp Gideon I"]
[Black "Wolthuis, Willem"]
[Result "1/2-1/2"]
[ECO "D18"]
[PlyCount "88"]
[EventDate "1993.04.??"]
[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 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Nh4 Bg4 10. f3 Bh5 11. g4 Nd5 12. Ng2 Bg6 13. Na2 Be7 14. b3 c5 15. Ba3 cxd4 16. Bxd5 exd5 17. Bxe7 Qxe7 18. Qxd4 Nc6 19. Qd2 Rad8 20. Nf4 Qe5 21. b4 f5 22. Nxg6 hxg6 23. f4 Qe6 24. gxf5 Qxf5 25. Rae1 g5 26. b5 Ne7 27. Nb4 gxf4 28. Rxf4 Qg6+ 29. Kh1 Rxf4 30. exf4 Qd6 31. Nd3 d4 32. Qg2 Nd5 33. Qe4 Nb4 34. Nxb4 Qxb4 35. Rg1 Qf8 36. Qxb7 d3 37. Qc7 Rd4 38. Qxa7 Rxf4 39. Qd7 Qa8+ 40. Qc6 Qxc6+ 41. bxc6 Rxa4 42. Rc1 d2 43. Rd1 Rc4 44. Rxd2 Rxc6 1/2-1/2

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1993.04.??"]
[Round "2"]
[White "Comp Schach"]
[Black "Wolthuis, Willem"]
[Result "0-1"]
[ECO "C67"]
[PlyCount "100"]
[EventDate "1993.04.??"]
[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 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Be7 6. Qe2 d5 7. Nxe5 Bd7 8. Nxc6 bxc6 9. Bd3 f5 10. Bxe4 fxe4 11. f3 0-0 12. fxe4 Rxf1+ 13. Qxf1 dxe4 14. Nc3 Be6 15. Be3 Bd5 16. Qf5 g6 17. Qg4 Qc8 18. Qxc8+ Rxc8 19. a3 Rf8 20. Bh6 Rf5 21. Re1 Bh4 22. g3 Bf6 23. Be3 Bg7 24. Kg2 h5 25. h3 Rf7 26. g4 hxg4 27. hxg4 Rf3 28. b3 Bf8 29. Nb1 Bd6 30. g5 Be6 31. Nd2 Rg3+ 32. Kf2 Bf5 33. Rh1 Rg4 34. b4 Bg3+ 35. Kf1 Bf4 36. Bxf4 Rxf4+ 37. Ke2 Rg4 38. Kf2 Rxg5 39. c4 Kg7 40. c5 Rh5 41. Rxh5 gxh5 42. Ke3 Kf6 43. Nxe4+ Bxe4 44. Kxe4 h4 45. Ke3 Ke6 46. Kf4 Kd5 47. Kg4 Kxd4 48. Kxh4 Kc4 49. Kg4 Kb3 50. Kf3 Kxa3 0-1

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1993.04.??"]
[Round "3"]
[White "Comp Zugzwang"]
[Black "Wolthuis, Willem"]
[Result "1-0"]
[ECO "D19"]
[PlyCount "87"]
[EventDate "1993.04.??"]
[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 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Nbd7 10. e4 Bg4 11. Rd1 Qe7 12. h3 Bxf3 13. Qxf3 e5 14. d5 Nb6 15. Bb3 cxd5 16. a5 Bxc3 17. bxc3 Nbd7 18. exd5 Qd6 19. Ba3 Nc5 20. Bb4 Rfe8 21. Qe3 Rac8 22. Rab1 Nfd7 23. Bc4 Red8 24. Be2 f5 25. Qg5 Qf6 26. Qxf6 gxf6 27. c4 Kg7 28. g3 b6 29. axb6 axb6 30. Rdc1 Kf7 31. Bd2 Ke7 32. Rb5 Ra8 33. Bb4 Ra2 34. Rxb6 Rxe2 35. Rc6 Rb8 36. Bxc5+ Nxc5 37. Rxc5 Rbb2 38. Rf1 Rbc2 39. Rc7+ Kd6 40. Rc6+ Ke7 41. c5 Red2 42. Rc7+ Kd8 43. d6 Rd5 44. Ra1 1-0

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1993.04.??"]
[Round "4"]
[White "Wolthuis, Willem"]
[Black "Comp Gideon I"]
[Result "1-0"]
[ECO "D19"]
[PlyCount "75"]
[EventDate "1993.04.??"]
[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 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Nbd7 10. Rd1 Bg6 11. h3 Qe7 12. Bd2 Rfd8 13. Rac1 Nb6 14. Bb3 c5 15. Na2 Bxd2 16. Rxd2 Ne4 17. Rdd1 cxd4 18. exd4 Bf5 19. Nc3 Nxc3 20. Rxc3 Qb4 21. Qb5 Qxb5 22. axb5 Be4 23. Ne5 Bd5 24. Bxd5 Rxd5 25. Rc7 f6 26. Nf3 Rxb5 27. Rxb7 a5 28. Rc1 Rxb2 29. Rcc7 g5 30. Rg7+ Kh8 31. Rxh7+ Kg8 32. Rhg7+ Kh8 33. h4 g4 34. h5 g3 35. fxg3 Rb1+ 36. Kh2 Rb5 37. g4 Nd7 38. Rbxd7 1-0

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1993.04.??"]
[Round "1"]
[White "Wolthuis, Willem"]
[Black "Comp MChess"]
[Result "1/2-1/2"]
[ECO "D59"]
[PlyCount "173"]
[EventDate "1993.04.??"]
[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. Nf3 d5 3. c4 e6 4. Bg5 Be7 5. e3 0-0 6. Nc3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Bd3 c5 12. dxc5 bxc5 13. 0-0 Be6 14. Qa4 Bd7 15. Qc2 Nc6 16. a3 Bg4 17. Be2 Rab8 18. Rac1 c4 19. Rfd1 Rfd8 20. h3 Qf6 21. Rd2 Bf5 22. Qc3 Qe7 23. Nd4 Nxd4 24. Qxd4 Be4 25. Rcd1 a6 26. f3 Bf5 27. Qf4 Qg5 28. Qd4 a5 29. Kh2 a4 30. f4 Qe7 31. Bf3 Qd6 32. Kh1 Rb5 33. e4 Qxf4 34. exd5 Qxd4 35. Rxd4 Bg6 36. Rxc4 Rxb2 37. Rdd4 Bc2 38. d6 Bb3 39. Rc7 Ra2 40. d7 Kf8 41. Bc6 Rxa3 42. Re4 Be6 43. Bxa4 Rd3 44. Bb5 Rd1+ 45. Kh2 Bxd7 46. Bxd7 R1xd7 47. Rxd7 Rxd7 48. g4 f6 49. Kg2 Rd2+ 50. Kg3 Rd3+ 51. Kg2 Kf7 52. Ra4 Ke6 53. Ra5 g6 54. h4 f5 55. gxf5+ gxf5 56. Ra6+ Rd6 57. Ra5 h5 58. Ra8 Rd4 59. Kg3 Rg4+ 60. Kf3 Rxh4 61. Ra6+ Ke5 62. Ra5+ Kf6 63. Ra8 Rg4 64. Rf8+ Ke6 65. Re8+ Kf7 66. Rh8 h4 67. Rh6 Kg7 68. Rh5 Kf6 69. Rh6+ Kg5 70. Rh8 Rg3+ 71. Kf2 f4 72. Rg8+ Kf5 73. Rh8 h3 74. Rf8+ Ke5 75. Re8+ Kd6 76. Rf8 h2 77. Rh8 Ra3 78. Rh5 Ke6 79. Kg2 Ra2+ 80. Kf3 Rc2 81. Rh4 Kf5 82. Rh5+ Kg6 83. Rh8 Kg5 84. Rg8+ Kf6 85. Rf8+ Ke5 86. Re8+ Kf6 87. Rh8 1/2-1/2

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1993.04.??"]
[Round "5"]
[White "Wolthuis, Willem"]
[Black "Comp Saitek Sparc"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "130"]
[EventDate "1993.04.??"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c6 5. e3 Nbd7 6. cxd5 exd5 7. Bd3 Qb6 8. Qc2 h6 9. Bh4 g5 10. Bg3 Nh5 11. Nge2 Nxg3 12. Nxg3 Nf6 13. 0-0 Be6 14. a3 0-0-0 15. b4 Kb8 16. Rfb1 Qc7 17. Qb3 Ne4 18. Ncxe4 dxe4 19. Bc4 Bxc4 20. Qxc4 Bd6 21. b5 Bxg3 22. hxg3 Rd6 23. bxc6 Rxc6 24. Qd5 Re8 25. Rb5 b6 26. Rab1 Rc1+ 27. Kh2 Rc2 28. Rc5 Rxc5 29. dxc5 Re5 30. cxb6 Rxd5 31. bxc7+ Kxc7 32. g4 Rd2 33. Kg3 Ra2 34. Rb3 Kc6 35. f3 Kd5 36. Rb5+ Kc6 37. Ra5 Kb6 38. Ra4 exf3 39. gxf3 a5 40. e4 Ra1 41. Rd4 Rxa3 42. Rd7 Rc3 43. Rxf7 a4 44. Rf8 Kb7 45. Rf7+ Rc7 46. Rf5 Kb6 47. Rf6+ Rc6 48. Rf8 Ka5 49. Ra8+ Ra6 50. Rb8 a3 51. Rb1 a2 52. Ra1 Kb4 53. f4 gxf4+ 54. Kxf4 Kc3 55. Kf5 Kb2 56. Rh1 a1Q 57. Rxa1 Rxa1 58. e5 Rf1+ 59. Kg6 Rg1 60. Kh5 Kc3 61. e6 Kd4 62. e7 Re1 63. Kxh6 Rxe7 64. g5 Ke5 65. Kg6 Re6+ 0-1

[Event "The Hague AEGON"]
[Site "The Hague"]
[Date "1991.??.??"]
[Round "6"]
[White "Wolthuis, Willem"]
[Black "Comp Novag SF C"]
[Result "1/2-1/2"]
[ECO "A32"]
[PlyCount "178"]
[EventDate "1991.04.??"]
[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 c5 3. Nf3 cxd4 4. Nxd4 e6 5. g3 Qb6 6. Bg2 Bc5 7. e3 Nc6 8. Nb3 Bb4+ 9. Bd2 Ne5 10. Qc2 d5 11. a3 Bxd2+ 12. N1xd2 Qc7 13. Rc1 0-0 14. 0-0 Bd7 15. cxd5 Qxc2 16. Rxc2 exd5 17. Nd4 Rfc8 18. Rfc1 Nd3 19. Rxc8+ Rxc8 20. Rxc8+ Bxc8 21. b4 Ng4 22. Bxd5 Ndxf2 23. Nc4 Nh3+ 24. Kg2 Ng5 25. Nb5 Nf6 26. Bf3 Bh3+ 27. Kf2 Nxf3 28. Kxf3 Bg4+ 29. Kf4 a6 30. Nc3 b5 31. Nd6 Be6 32. e4 Bh3 33. e5 Ng4 34. Nd5 h6 35. Nc7 g5+ 36. Ke4 Bg2+ 37. Kd4 Nxh2 38. Nxa6 Nf3+ 39. Ke4 Nh2+ 40. Kd4 Nf3+ 41. Ke4 Ng1+ 42. Ke3 Nf3 43. e6 fxe6 44. Nxb5 Ne5 45. Nc5 Ng4+ 46. Ke2 Kf7 47. a4 Bd5 48. Nc3 Bc4+ 49. Kf3 h5 50. b5 Ke7 51. a5 Ne5+ 52. Kg2 Nd7 53. N5e4 Kd8 54. Nxg5 Kc7 55. Kf3 Nc5 56. Ke3 Nb3 57. a6 Kb6 58. Ke4 Nc5+ 59. Kd4 Bf1 60. Ke5 Bc4 61. a7 Kxa7 62. Kd4 Bxb5 63. Nxb5+ Kb6 64. Nc3 Kc6 65. Nce4 Nb3+ 66. Ke5 Nc1 67. Nxe6 Nd3+ 68. Kf5 Ne1 69. Nf4 Kd7 70. Kf6 Nc2 71. Nxh5 Ne3 72. Ng7 Ng4+ 73. Kf5 Nh2 74. Ne6 Ke7 75. Nd4 Nf1 76. g4 Ne3+ 77. Kf4 Ng2+ 78. Kg3 Ne1 79. g5 Kf7 80. Nf3 Nd3 81. Kg4 Kg6 82. Nh4+ Kg7 83. Kf5 Nb4 84. Nf6 Nc6 85. Nh5+ Kh8 86. Ng6+ Kh7 87. Nf6+ Kg7 88. Nd5 Nd4+ 89. Ke4 Kxg6 1/2-1/2

[Event "NED-chT 8182"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "Wolthuis, Willem"]
[Black "Timman, Ton"]
[Result "1-0"]
[ECO "E41"]
[PlyCount "59"]
[EventDate "1981.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 Bxc3+ 6. bxc3 d6 7. Bd3 Nc6 8. e4 e5 9. 0-0 Bg4 10. d5 Ne7 11. h3 Bh5 12. Qa4+ Qd7 13. Qxd7+ Nxd7 14. g4 Bg6 15. Nh4 h5 16. g5 f6 17. f4 exf4 18. gxf6 gxf6 19. Bxf4 Ne5 20. Bxe5 fxe5 21. Rf6 Kd7 22. Kh2 Rhf8 23. Raf1 Rxf6 24. Rxf6 Rg8 25. Bc2 Kc7 26. Nf5 Nc8 27. Bd1 Bxf5 28. exf5 h4 29. Rf7+ Kd8 30. f6 1-0

[Event "Amsterdam AMRO op"]
[Site "Amsterdam"]
[Date "1969.??.??"]
[Round "?"]
[White "Van Scheltinga, Theo D"]
[Black "Wolthuis, Willem"]
[Result "1-0"]
[ECO "A28"]
[PlyCount "80"]
[EventDate "1969.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Nd5 e4 6. Nxb4 Nxb4 7. Nd4 c5 8. Nb5 d6 9. d4 Bg4 10. Qb3 0-0 11. Bd2 Nc6 12. h3 Bh5 13. dxc5 dxc5 14. Bc3 Qe7 15. g4 Bg6 16. Be2 a6 17. Bxf6 Qxf6 18. Nc7 Rab8 19. Qb6 Qe5 20. Nd5 Nb4 21. Nxb4 Qxb2 22. Rd1 Qxb4+ 23. Qxb4 cxb4 24. h4 f6 25. Rd4 Rfd8 26. Kd2 Kf8 27. Kc2 Rxd4 28. exd4 e3+ 29. Kb3 exf2 30. Rf1 a5 31. Rxf2 b6 32. g5 Ke7 33. gxf6+ gxf6 34. Bf3 Bf7 35. Bc6 Rg8 36. d5 Rg4 37. Ka4 Bg6 38. Kb5 Bd3 39. Kxb6 Bxc4 40. Kc5 Rxh4 1-0

[Event "Amsterdam AMRO op"]
[Site "Amsterdam"]
[Date "1969.??.??"]
[Round "?"]
[White "Wolthuis, Willem"]
[Black "Timman, Ton"]
[Result "1/2-1/2"]
[ECO "E55"]
[PlyCount "54"]
[EventDate "1969.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 c5 6. Bd3 d5 7. 0-0 dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. axb4 dxc3 11. bxc3 Qc7 12. Qb3 b6 13. Be2 Bb7 14. c4 Ng4 15. g3 Qc6 16. Qa4 Qxa4 17. Rxa4 Rfc8 18. Nd2 Ngf6 19. Bb2 b5 20. Ra5 bxc4 21. Nxc4 Bd5 22. Rc1 Rab8 23. b5 a6 24. Nd6 Rxc1+ 25. Bxc1 axb5 26. Rxb5 Rxb5 27. Nxb5 Ne5 1/2-1/2

[Event "IBM"]
[Site "Amsterdam"]
[Date "1961.??.??"]
[Round "2"]
[White "Donner, Jan Hein"]
[Black "Wolthuis, Willem"]
[Result "1-0"]
[ECO "D36"]
[PlyCount "83"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Qc2 0-0 8. Bd3 h6 9. Bh4 Re8 10. Nf3 Ne4 11. Bxe7 Qxe7 12. 0-0 Nd7 13. b4 Qxb4 14. Nxe4 dxe4 15. Bxe4 Qe7 16. Bd3 Nf6 17. Rab1 Nd5 18. Qd2 a5 19. Rfc1 Nb4 20. Bc4 Bf5 21. Rb2 b5 22. Be2 Rec8 23. Ne5 f6 24. Nd3 Nd5 25. Bf3 b4 26. Bxd5+ cxd5 27. Nc5 Rab8 28. a3 bxa3 29. Rxb8 Rxb8 30. Qxa5 Qf7 31. Qxa3 Kh7 32. h3 Qg6 33. Kh2 Qh5 34. Qa2 Qh4 35. Qe2 h5 36. Qf3 Be4 37. Nxe4 dxe4 38. Qf5+ Kh6 39. g3 g6 40. Qd5 Qg5 41. Qxe4 Rb2 42. Kg2 1-0

[Event "IBM"]
[Site "Amsterdam"]
[Date "1961.??.??"]
[Round "9"]
[White "Johner, Hans"]
[Black "Wolthuis, Willem"]
[Result "0-1"]
[ECO "D18"]
[PlyCount "85"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Ne2 h6 10. Ng3 Bh7 11. Qe2 Nbd7 12. e4 Qe7 13. Rd1 Rad8 14. Bf4 Nb6 15. Bb3 c5 16. a5 Nc8 17. h3 cxd4 18. Nxd4 a6 19. e5 Nd5 20. Bd2 Bc5 21. Nf3 Na7 22. Ne4 Bb4 23. Bxd5 Rxd5 24. Bxb4 Rxd1+ 25. Rxd1 Qxb4 26. Nd6 Nc6 27. Rc1 Rb8 28. Rc4 Qxa5 29. Nxb7 Rxb7 30. Rxc6 Qa1+ 31. Kh2 Bg6 32. Rxa6 Qxb2 33. Ra8+ Kh7 34. Qxb2 Rxb2 35. Kg3 Rb5 36. Ra7 Bh5 37. Kf4 g5+ 38. Ke3 Rb3+ 39. Ke4 Bxf3+ 40. gxf3 Rb4+ 41. Ke3 Kg6 42. Ra1 Rh4 43. Rh1 0-1

[Event "IBM"]
[Site "Amsterdam"]
[Date "1961.??.??"]
[Round "11"]
[White "Kuijpers, Frans"]
[Black "Wolthuis, Willem"]
[Result "1-0"]
[ECO "A11"]
[PlyCount "43"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Bf5 3. Bg2 e6 4. 0-0 Nf6 5. d3 h6 6. c4 c6 7. Nbd2 a5 8. cxd5 exd5 9. e4 dxe4 10. dxe4 Be6 11. e5 Nh7 12. Ne4 Qxd1 13. Rxd1 Nd7 14. Be3 0-0-0 15. Nd6+ Bxd6 16. Rxd6 Kc7 17. Nd4 Nxe5 18. Rxe6 fxe6 19. Bf4 Nf6 20. Bxe5+ Kb6 21. Nxe6 Rd2 22. Bd4+ 1-0

[Event "IBM"]
[Site "Amsterdam"]
[Date "1961.??.??"]
[Round "4"]
[White "Langeweg, Kick"]
[Black "Wolthuis, Willem"]
[Result "1-0"]
[ECO "D17"]
[PlyCount "71"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 Nf6 3. d4 d5 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 Bb4 8. Bg5 h6 9. Bh4 c5 10. e4 Qxd4 11. Nxc4 Nxe4 12. Qxd4 cxd4 13. fxe4 Bg4 14. Ne5 0-0 15. Nxg4 dxc3 16. 0-0-0 Nc6 17. b3 Rac8 18. Bd3 g5 19. Nxh6+ Kg7 20. Bxg5 f6 21. Be3 Ne5 22. Kc2 Rh8 23. Rhf1 Rcf8 24. Bc4 Rxh6 25. Bxh6+ Kxh6 26. Bxe6 Kg7 27. Rd5 Re8 28. Bf5 Re7 29. Rf4 Nc6 30. Rh4 Re5 31. Rh7+ Kg8 32. Rxb7 Rxd5 33. exd5 Nd4+ 34. Kb1 a5 35. Bc2 Kf8 36. h4 1-0

[Event "IBM"]
[Site "Amsterdam"]
[Date "1961.??.??"]
[Round "6"]
[White "Van den Berg, Carel"]
[Black "Wolthuis, Willem"]
[Result "1/2-1/2"]
[ECO "C79"]
[PlyCount "80"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. 0-0 Nxe4 8. Re1 f5 9. dxe5 dxe5 10. Nbd2 Nxd2 11. Nxe5 Nxe5 12. Rxe5+ Be7 13. Bxd2 0-0 14. Bf4 Bd6 15. Bxd7 Qxd7 16. Rd5 Rad8 17. Qb3 Qe6 18. Bxd6 Rxd6 19. Rxd6 Qxb3 20. axb3 cxd6 21. Rd1 Rf6 22. Kf1 Re6 23. Rd4 Kf7 24. f3 Ke7 25. Rb4 b5 26. Rd4 Re5 27. Kf2 g6 28. b4 Kd7 29. Rd1 Kc6 30. Ra1 Kb6 31. Rd1 Kc6 32. g3 Re6 33. Rd3 Re5 34. b3 d5 35. Re3 Kd6 36. Rxe5 Kxe5 37. Ke3 g5 38. f4+ gxf4+ 39. gxf4+ Ke6 40. Kd4 Kd6 1/2-1/2

[Event "IBM"]
[Site "Amsterdam"]
[Date "1961.??.??"]
[Round "7"]
[White "Wolthuis, Willem"]
[Black "Bernstein, Ossip Samuel"]
[Result "1-0"]
[ECO "D56"]
[PlyCount "131"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 h6 6. Bh4 0-0 7. e3 Ne4 8. Bxe7 Qxe7 9. Qc2 c6 10. Bd3 Nxc3 11. Qxc3 Nd7 12. 0-0 dxc4 13. Qxc4 e5 14. Qc2 exd4 15. Nxd4 Ne5 16. Be4 Ng4 17. h3 Nf6 18. Bf3 Be6 19. Nxe6 Qxe6 20. Rfd1 Rfd8 21. Qa4 Qe5 22. Qb4 Qc7 23. Rac1 a5 24. Qc5 Rxd1+ 25. Rxd1 Rd8 26. Rxd8+ Qxd8 27. g3 Qd2 28. Qb6 Qb4 29. Qxb4 axb4 30. Kf1 Nd7 31. Ke2 Nc5 32. a3 bxa3 33. bxa3 Kf8 34. Bg2 Ke7 35. e4 Kd6 36. f4 f6 37. Ke3 Ne6 38. h4 Nc7 39. Bf1 b5 40. Kd4 Ne6+ 41. Kd3 Kc5 42. Be2 Kb6 43. Bg4 Nc7 44. Bd7 Kc5 45. Bg4 Kd6 46. Kd4 c5+ 47. Kc3 Ke7 48. Be2 g5 49. hxg5 hxg5 50. Kd2 gxf4 51. gxf4 Kd6 52. Kc3 Kc6 53. Bf3 Kb6 54. Bg4 Ka5 55. Bd7 Ka4 56. Kb2 Na8 57. Be6 Nb6 58. e5 fxe5 59. f5 e4 60. f6 e3 61. Kc2 Nc4 62. Bxc4 bxc4 63. f7 e2 64. Kd2 c3+ 65. Kxe2 c2 66. Kd2 1-0

[Event "IBM"]
[Site "Amsterdam"]
[Date "1961.??.??"]
[Round "10"]
[White "Wolthuis, Willem"]
[Black "Crabbendam, Henrico"]
[Result "0-1"]
[ECO "A50"]
[PlyCount "110"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Qc2 g6 5. e4 d6 6. f4 Bg7 7. Nf3 Nbd7 8. Be2 e5 9. fxe5 dxe5 10. dxe5 Ng4 11. e6 Nde5 12. exf7+ Nxf7 13. h3 Nge5 14. Be3 0-0 15. 0-0 c6 16. c5 b5 17. Rad1 Qe7 18. Rd2 Bc8 19. Rfd1 g5 20. Rf1 g4 21. Nxe5 Nxe5 22. Rxf8+ Bxf8 23. hxg4 Bxg4 24. Bxg4 Nxg4 25. Bd4 h5 26. Nd1 Rd8 27. b4 Bh6 28. Be3 Bxe3+ 29. Nxe3 Nxe3 30. Rxd8+ Qxd8 31. Qb3+ Nc4 32. Qg3+ Kh7 33. Qf3 Qe8 34. Qf5+ Qg6 35. Qd7+ Kh6 36. Qxa7 Qxe4 37. Qf7 Qe1+ 38. Kh2 Qh4+ 39. Kg1 Qe1+ 40. Kh2 Qe5+ 41. Kh3 Qe3+ 42. g3 Qg5 43. Qe6+ Qg6 44. Qe7 Qg4+ 45. Kg2 Qf5 46. Qe8 Qf6 47. Qe2 Ne5 48. Qd1 Ng6 49. a4 bxa4 50. Qxa4 h4 51. gxh4 Nxh4+ 52. Kg3 Kg5 53. Qc2 Qf4+ 54. Kh3 Qg4+ 55. Kh2 Nf3+ 0-1

[Event "IBM"]
[Site "Amsterdam"]
[Date "1961.??.??"]
[Round "8"]
[White "Wolthuis, Willem"]
[Black "De Rooi, Paul"]
[Result "1/2-1/2"]
[ECO "E76"]
[PlyCount "81"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 Bg4 7. Be2 h5 8. Nf3 h4 9. e5 Nfd7 10. e6 Bxc3+ 11. bxc3 fxe6 12. Ng5 Bxe2 13. Qxe2 exd5 14. Qe6 Nf8 15. Qxd5 Nc6 16. 0-0 Qa5 17. Rb1 0-0-0 18. Nf7 Rh5 19. Qd3 Rd7 20. Ng5 e6 21. Ne4 Qd8 22. Be3 b6 23. Rf2 d5 24. cxd5 Rhxd5 25. Qa6+ Kc7 26. Nxc5 bxc5 27. Rb7+ Kd6 28. Rb5 Ke7 29. Qxc6 Rd1+ 30. Rf1 Rxf1+ 31. Kxf1 Rd1+ 32. Kf2 Qd3 33. Qxc5+ Kf7 34. Rb7+ Kg8 35. Kf3 Qf1+ 36. Bf2 h3 37. g3 Rd3+ 38. Kg4 Rd5 39. Qe7 Qd1+ 40. Kxh3 Qf1+ 41. Kg4 1/2-1/2

[Event "IBM"]
[Site "Amsterdam"]
[Date "1961.??.??"]
[Round "5"]
[White "Wolthuis, Willem"]
[Black "Enevoldsen, Jens"]
[Result "1/2-1/2"]
[ECO "E91"]
[PlyCount "80"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. Bg5 h6 8. Bf4 c5 9. d5 a6 10. a4 Ne8 11. Qd2 Kh7 12. 0-0 b6 13. Rfe1 Ne5 14. Nxe5 dxe5 15. Be3 Nd6 16. a5 Bd7 17. axb6 Qxb6 18. b4 Nb7 19. Reb1 Qc7 20. Na4 Bxa4 21. Rxa4 h5 22. Rba1 cxb4 23. Rxa6 Rxa6 24. Rxa6 b3 25. Qb4 Bh6 26. Bxh6 Kxh6 27. Qxb3 Kg7 28. Rc6 Qd7 29. Qa4 f6 30. Qa7 Rc8 31. Qb6 Nd6 32. f3 Rxc6 33. dxc6 Qc8 34. c7 Kf7 35. Qb8 Qa6 36. Kf2 Qc6 37. Kg3 Qc5 38. h3 g5 39. Qh8 h4+ 40. Kh2 Qxc7 1/2-1/2

[Event "IBM"]
[Site "Amsterdam"]
[Date "1961.??.??"]
[Round "1"]
[White "Wolthuis, Willem"]
[Black "Tan, Hiong Liong"]
[Result "1/2-1/2"]
[ECO "E43"]
[PlyCount "80"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Ne4 6. Qc2 Bb7 7. Bd3 f5 8. a3 Bxc3+ 9. bxc3 0-0 10. 0-0 d6 11. Nd2 Nxd2 12. Bxd2 Qh4 13. f3 Nc6 14. e4 f4 15. c5 dxc5 16. dxc5 Qe7 17. cxb6 axb6 18. a4 Ne5 19. Bb5 Bc6 20. Bxc6 Qc5+ 21. Kh1 Qxc6 22. Rfd1 Ra5 23. c4 Raa8 24. Rdc1 Rfd8 25. Ra3 Qd6 26. Ra2 Nd3 27. Rf1 Rd7 28. h3 Rad8 29. a5 bxa5 30. Bxa5 Nb4 31. Bxb4 Qxb4 32. Rb1 Qxb1+ 33. Qxb1 Rd1+ 34. Qxd1 Rxd1+ 35. Kh2 Rc1 36. Ra6 Rxc4 37. Rxe6 Kf7 38. Re5 g6 39. h4 Kf6 40. Ra5 Rc1 1/2-1/2

[Event "IBM"]
[Site "Amsterdam"]
[Date "1961.??.??"]
[Round "3"]
[White "Wolthuis, Willem"]
[Black "Wade, Robert Graham"]
[Result "0-1"]
[ECO "E11"]
[PlyCount "48"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. a3 Be7 6. Nc3 d5 7. Bg5 0-0 8. e3 h6 9. Bh4 b6 10. cxd5 exd5 11. Rc1 Be6 12. Bd3 c5 13. dxc5 bxc5 14. 0-0 Nbd7 15. e4 Nxe4 16. Nxe4 dxe4 17. Bxe7 Qxe7 18. Bxe4 Rab8 19. Qd2 Nf6 20. Bb1 Bd5 21. Qxa5 Bxf3 22. gxf3 Rxb2 23. Qxc5 Qb7 24. Qc6 Rxb1 0-1

[Event "NED-ch Voorwedstrijden Leiden-A"]
[Site "Leiden"]
[Date "1946.11.02"]
[Round "7"]
[White "Van den Berg, Carel"]
[Black "Wolthuis, Willem"]
[Result "1-0"]
[ECO "D49"]
[PlyCount "61"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Ng4 12. Nd6+ Bxd6 13. exd6 e5 14. 0-0 Bb7 15. Nxd4 Qh4 16. h3 Nxf2 17. Nf5 Nxh3+ 18. gxh3 Qxh3 19. Qe2 g6 20. Be4 Bxe4 21. Qxe4 0-0 22. Nh6+ Kg7 23. Qg4 Qxg4+ 24. Nxg4 Rfb8 25. Bh6+ Kg8 26. Rac1 Ra7 27. Rc7 Rxc7 28. dxc7 Rc8 29. Rd1 Rxc7 30. Rxd7 Rxd7 31. Nf6+ 1-0

[Event "NED-ch Voorwedstrijden Leiden-A"]
[Site "Leiden"]
[Date "1946.11.01"]
[Round "6"]
[White "Wolthuis, Willem"]
[Black "Van Steenis, Hendrik Jan"]
[Result "1-0"]
[ECO "A11"]
[PlyCount "74"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 g6 4. Bg2 Bg7 5. 0-0 Nf6 6. d4 0-0 7. Nc3 c6 8. b3 Re8 9. Bb2 Nbd7 10. Qc2 Nb6 11. Ne5 Nfd7 12. Nxd7 Bxd7 13. c5 Nc8 14. Qd2 e5 15. dxe5 Bxe5 16. f4 Bg7 17. e4 Qa5 18. exd5 cxd5 19. Qxd5 Bxc3 20. Bxc3 Qxc3 21. Qxd7 Qxc5+ 22. Kh1 Re7 23. Qd8+ Kg7 24. f5 f6 25. Rae1 Rf7 26. fxg6 hxg6 27. Re6 Nb6 28. Qd3 Rh8 29. h4 Nd7 30. Bxb7 g5 31. Kg2 gxh4 32. gxh4 Rh6 33. Rf3 Ne5 34. Rg3+ Rg6 35. Rxe5 Qxe5 36. Qxg6+ Kf8 37. Qh6+ Ke8 1-0

[Event "NED-ch Voorwedstrijden Leiden-A"]
[Site "Leiden"]
[Date "1946.10.31"]
[Round "5"]
[White "Fontein, George Salto"]
[Black "Wolthuis, Willem"]
[Result "1-0"]
[ECO "D45"]
[PlyCount "77"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 e6 5. d4 Nbd7 6. Qc2 Bd6 7. Be2 0-0 8. 0-0 Qe7 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 e5 12. c5 Bc7 13. Bc4 Nf6 14. Qh4 e4 15. Ng5 h6 16. Nh3 Be6 17. Bxe6 Qxe6 18. Bf4 Bxf4 19. Qxf4 Rad8 20. Qd2 Rfe8 21. Nf4 Qc4 22. Rfd1 Ng4 23. b3 Qb5 24. h3 e3 25. fxe3 Nxe3 26. Re1 Nf5 27. Rxe8+ Rxe8 28. Re1 Rd8 29. Re5 Rxd4 30. Qf2 Rd1+ 31. Kh2 g6 32. Re8+ Kh7 33. Rb8 Nd4 34. Nxg6 Qf1 35. Nf8+ Kg7 36. Qg3+ Kf6 37. Nd7+ Ke6 38. Qe5+ Kxd7 39. Qd6# 1-0

[Event "NED-ch Voorwedstrijden Leiden-A"]
[Site "Leiden"]
[Date "1946.10.30"]
[Round "4"]
[White "Wolthuis, Willem"]
[Black "Marwitz, Jan Hendrik"]
[Result "1/2-1/2"]
[ECO "D31"]
[PlyCount "148"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nd7 5. Bd3 a6 6. b3 e5 7. Bf5 Bb4 8. Bb2 dxc4 9. Bxd7+ Bxd7 10. bxc4 exd4 11. Qxd4 Qf6 12. Nge2 Qxd4 13. exd4 Be6 14. d5 cxd5 15. cxd5 Bd7 16. 0-0 f6 17. Nd4 Kf7 18. a3 Bxc3 19. Bxc3 Ne7 20. d6 Nc8 21. Rad1 Ba4 22. Rde1 Nxd6 23. Bb4 Rad8 24. Rc1 Rd7 25. f3 g6 26. Rfe1 Re8 27. Rxe8 Nxe8 28. Ne2 Rd1+ 29. Rxd1 Bxd1 30. Nc3 Bc2 31. Kf2 Ke6 32. Ke3 Nd6 33. Kd4 Nc8 34. Nd5 Bb3 35. Nf4+ Kd7 36. Kc5 b6+ 37. Kd4 Na7 38. Kc3 Bf7 39. Kd3 Nc6 40. Bc3 Ne5+ 41. Ke4 Kd6 42. g4 g5 43. Ne2 Bd5+ 44. Kf5 Bxf3 45. Nd4 Bxg4+ 46. Kxf6 Nf3 47. h3 Bh5 48. Nxf3 Bxf3 49. Kxg5 Kd5 50. Kf4 Kc4 51. Bf6 Bg2 52. h4 Kb3 53. Be7 a5 54. Ke3 b5 55. Kd2 Kb2 56. Bd6 Bf1 57. Ke1 Bc4 58. Kd2 Bf7 59. Kd3 Bc4+ 60. Kd2 b4 61. axb4 a4 62. Be5+ Kb1 63. Kc3 Bf1 64. b5 a3 65. b6 a2 66. Kb4 Bg2 67. Kc5 a1Q 68. Bxa1 Kxa1 69. Kd6 Kb2 70. Kc7 Kb3 71. b7 Bxb7 72. Kxb7 h5 73. Kc6 Kc4 74. Kd6 Kd4 1/2-1/2

[Event "NED-ch Voorwedstrijden Leiden-A"]
[Site "Leiden"]
[Date "1946.10.29"]
[Round "3"]
[White "Euwe, Max"]
[Black "Wolthuis, Willem"]
[Result "1-0"]
[ECO "D44"]
[PlyCount "53"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 Nf6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Rg8 12. Bxf6 Nxf6 13. exf6 Bb7 14. Bg2 Qb6 15. 0-0 0-0-0 16. Qh5 Rg6 17. a4 a6 18. axb5 cxb5 19. d5 Rxf6 20. dxe6 Bxg2 21. Kxg2 Qxe6 22. Rad1 Qc6+ 23. Kg1 Rxd1 24. Rxd1 Bc5 25. Ne4 Qxe4 26. Qh8+ Kb7 27. Rd7+ 1-0

[Event "NED-ch Voorwedstrijden Leiden-A"]
[Site "Leiden"]
[Date "1946.10.28"]
[Round "2"]
[White "Cortlever, Nicolaas"]
[Black "Wolthuis, Willem"]
[Result "0-1"]
[ECO "C30"]
[PlyCount "120"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 Qe7 5. fxe5 dxe5 6. Bc4 Nf6 7. d4 exd4 8. 0-0 d3+ 9. Nd4 Nc6 10. Qxd3 Ne5 11. Qc2 Nxc4 12. Qa4+ Bd7 13. Qxc4 Nxe4 14. Nd2 Nxd2 15. Bxd2 0-0 16. Kh1 Bd6 17. Nf5 Bxf5 18. Rxf5 Qe6 19. Qf1 Rae8 20. c4 Qe2 21. Bc3 g6 22. Ra5 Qxf1+ 23. Rxf1 a6 24. Rd5 b6 25. b4 f6 26. Kg1 Be5 27. Bxe5 Rxe5 28. Rd7 Rf7 29. Rd8+ Kg7 30. Ra8 a5 31. bxa5 bxa5 32. Rb1 Rd7 33. Rb5 Re2 34. Rd5 Rde7 35. Raxa5 Rc2 36. h3 Ree2 37. Ra7 Rxg2+ 38. Kh1 Rge2 39. Rxc7+ Kh6 40. Rd1 Rh2+ 41. Kg1 Rcg2+ 42. Kf1 Rxa2 43. Kg1 Rag2+ 44. Kf1 Rc2 45. Kg1 Rxh3 46. c5 Rhc3 47. Rdd7 Rb2 48. Rd1 f5 49. Rf1 Rbc2 50. Rf2 Rc1+ 51. Rf1 Rxf1+ 52. Kxf1 Kg5 53. Ke2 h5 54. Kd2 Ra3 55. c6 h4 56. Rd7 Ra6 57. Rd6 h3 58. Ke3 h2 59. c7 Rxd6 60. c8Q h1Q 0-1

[Event "NED-ch Voorwedstrijden Leiden-A"]
[Site "Leiden"]
[Date "1946.10.26"]
[Round "1"]
[White "Wolthuis, Willem"]
[Black "Stumpers, Louis F"]
[Result "1/2-1/2"]
[ECO "C58"]
[PlyCount "103"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[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. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 e4 8. Qe2 Nxc4 9. dxc4 Bd6 10. Nd4 0-0 11. Nc3 Bg4 12. Qf1 c6 13. h3 Bd7 14. dxc6 bxc6 15. Be3 Bb4 16. Nde2 Be6 17. a3 Qa5 18. Rd1 Bxc3+ 19. Nxc3 Rab8 20. Bd2 Qa6 21. b3 Qxa3 22. Qe2 Qb2 23. Nxe4 Nxe4 24. Qxe4 Bd5 25. Qg4 f5 26. Qg3 Rbe8+ 27. Kf1 Qxc2 28. Ra1 Qxd2 29. cxd5 cxd5 30. Kg1 f4 31. Qg6 Re1+ 32. Kh2 Rxh1+ 33. Kxh1 Qxf2 34. Qe6+ Kh8 35. Qxd5 f3 36. gxf3 Rxf3 37. Qa8+ Rf8 38. Qg2 Qxg2+ 39. Kxg2 Rf7 40. Kg3 Kh7 41. Kg4 Rb7 42. Ra4 Kg6 43. h4 Kf6 44. Kf4 Ke6 45. Ke4 Kd6 46. Kd4 Kc6 47. Kc4 Rc7 48. b4 Kb6+ 49. Kb3 Rf7 50. Ra5 Rf3+ 51. Ka4 Rf1 52. Re5 1/2-1/2

[Event "Maastricht"]
[Site "Maastricht"]
[Date "1946.04.29"]
[Round "9"]
[White "Vlagsma, Chris"]
[Black "Wolthuis, Willem"]
[Result "1-0"]
[ECO "B11"]
[PlyCount "95"]
[EventDate "1946.04.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 d4 4. Ne2 c5 5. Ng3 Nc6 6. d3 e5 7. Be2 g6 8. Nd2 Bg7 9. Bg4 Nge7 10. Bxc8 Nxc8 11. a4 Nd6 12. Nc4 Nxc4 13. dxc4 Qh4 14. Ra3 0-0-0 15. 0-0 Rhf8 16. Qe2 f5 17. f4 exf4 18. Rxf4 Qe7 19. Rf2 Rde8 20. exf5 Qxe2 21. Nxe2 Rxf5 22. Rxf5 gxf5 23. Kf2 Nb4 24. Rh3 Nxc2 25. Nf4 Re1 26. Nd3 Rd1 27. Rxh7 Bf6 28. Ke2 Rg1 29. g3 Nb4 30. Bf4 Rg2+ 31. Kf3 Rc2 32. Nxc5 Rxb2 33. Rf7 b6 34. Rf8+ Bd8 35. Ne6 Kd7 36. Nxd8 Nd3 37. Rxf5 Kxd8 38. Rd5+ Ke8 39. h4 Nc5 40. Rxd4 Nxa4 41. g4 Nc5 42. g5 Kf7 43. h5 Rb1 44. g6+ Kf6 45. Rd6+ Kf5 46. g7 Rf1+ 47. Kg2 Rxf4 48. Rg6 1-0

[Event "Maastricht"]
[Site "Maastricht"]
[Date "1946.04.28"]
[Round "8"]
[White "Wolthuis, Willem"]
[Black "Soultanbeieff, Victor Ivanovich"]
[Result "0-1"]
[ECO "D45"]
[PlyCount "112"]
[EventDate "1946.04.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Be7 6. Bd3 0-0 7. 0-0 b6 8. Qe2 Nbd7 9. Rd1 Qc7 10. b3 e5 11. cxd5 Bb4 12. d6 Bxd6 13. Bb2 exd4 14. exd4 Re8 15. Qc2 Nf8 16. Ne5 Bb7 17. Rac1 a6 18. Ne4 Nxe4 19. Bxe4 Rac8 20. Bf5 Bxe5 21. dxe5 Rcd8 22. Rd3 Rxd3 23. Qxd3 Rd8 24. Qc3 c5 25. Re1 Ne6 26. Qh3 Nf8 27. Qc3 Ne6 28. Qh3 Nf8 29. Bc3 Bc8 30. Bxc8 Rxc8 31. f4 b5 32. f5 b4 33. Bd2 Re8 34. Bf4 c4 35. e6 Qxf4 36. exf7+ Kxf7 37. Qh5+ g6 38. fxg6+ hxg6 39. Qd5+ Ne6 40. Rf1 Qxf1+ 41. Kxf1 c3 42. Qf3+ Kg8 43. Qe4 a5 44. Qxg6+ Ng7 45. Qa6 Re5 46. Qc4+ Ne6 47. a3 Kf7 48. axb4 axb4 49. Qxb4 c2 50. Qb7+ Kf6 51. Qc8 Rc5 52. Qh8+ Ke7 53. Qh7+ Kd6 54. Qd3+ Kc7 55. Qg3+ Kb7 56. Qf3+ Kb6 0-1

[Event "Maastricht"]
[Site "Maastricht"]
[Date "1946.04.27"]
[Round "7"]
[White "Devos, Paul"]
[Black "Wolthuis, Willem"]
[Result "1-0"]
[ECO "D49"]
[PlyCount "108"]
[EventDate "1946.04.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. Nf3 e6 4. Nc3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Ng4 12. Nbxd4 Qa5+ 13. Bd2 Qd5 14. Qe2 Bb7 15. Bc4 Qe4 16. Qxe4 Bxe4 17. 0-0 Ngxe5 18. Nxe5 Nxe5 19. Bb3 Bd6 20. Rfe1 Bb7 21. Bc3 Nd3 22. Nf5 Bc5 23. Nxg7+ Kf8 24. Nxe6+ fxe6 25. Bxh8 Bxf2+ 26. Kf1 Bxe1 27. Bc4 Bh4 28. Bxd3 Ke7 29. Bd4 Kd6 30. g3 Bg5 31. Bxh7 e5 32. Bc3 Rh8 33. Rd1+ Ke6 34. Re1 Bf6 35. Bd3 Rxh2 36. Re2 Rh1+ 37. Kf2 Rh2+ 38. Ke1 Rh1+ 39. Kd2 Bf3 40. Re1 Rh2+ 41. Kc1 Bd5 42. Kb1 Rg2 43. Bxa6 Rxg3 44. Bc8+ Kd6 45. Bf5 Bc4 46. Bc2 Rg2 47. Bb4+ Ke6 48. a4 Re2 49. Rxe2 Bxe2 50. Bc3 Kd5 51. b4 Be7 52. Kb2 Bxb4 53. Bxb4 Bf3 54. Kc3 Kc6 1-0

[Event "Maastricht"]
[Site "Maastricht"]
[Date "1946.04.25"]
[Round "6"]
[White "Wolthuis, Willem"]
[Black "Alexander, Conel Hugh O'Donel"]
[Result "1-0"]
[ECO "E33"]
[PlyCount "49"]
[EventDate "1946.04.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. a3 Bxc3+ 7. Qxc3 0-0 8. g3 Ne4 9. Qc2 f5 10. Bg2 Qf6 11. e3 Bd7 12. b4 a5 13. b5 Ne7 14. Bb2 c6 15. a4 Rfc8 16. bxc6 Nxc6 17. 0-0 Nb4 18. Qb3 d5 19. cxd5 exd5 20. Rfc1 Rxc1+ 21. Rxc1 b5 22. axb5 Bxb5 23. Ne5 Qe6 24. Ra1 Nd2 25. Qxb4 1-0

[Event "Maastricht"]
[Site "Maastricht"]
[Date "1946.04.24"]
[Round "5"]
[White "Vinken, Alex"]
[Black "Wolthuis, Willem"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "73"]
[EventDate "1946.04.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nf3 e6 9. a3 Bg4 10. Nbd2 Be7 11. Be2 f6 12. 0-0 Qd7 13. b4 0-0 14. Nb3 fxe5 15. Nc5 Bxc5 16. bxc5 Bxf3 17. gxf3 Nc8 18. dxe5 Nxe5 19. f4 Qf7 20. fxe5 Qg6+ 21. Kh1 Qe4+ 22. Rf3 Rxf3 23. Bxf3 Qxe3 24. Bxb7 Rb8 25. Qd8+ Kf7 26. Rf1+ Kg6 27. Qe8+ Kh6 28. Qxe6+ g6 29. Bg2 Qxc5 30. Qh3+ Kg7 31. Bd5 h5 32. Qh4 Qe3 33. Qf6+ Kh7 34. Rg1 g5 35. Qf5+ Kh6 36. Be4 Ne7 37. Qh7# 1-0

[Event "Maastricht"]
[Site "Maastricht"]
[Date "1946.04.23"]
[Round "4"]
[White "Wolthuis, Willem"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "E72"]
[PlyCount "70"]
[EventDate "1946.04.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 c5 4. d5 e5 5. Nc3 d6 6. Bg2 Bg7 7. e4 0-0 8. Nge2 a6 9. 0-0 Nh5 10. a4 f5 11. f4 Nd7 12. exf5 gxf5 13. Be3 b6 14. Qc2 Ndf6 15. fxe5 Ng4 16. Bd2 Bxe5 17. Rf3 Bg7 18. b3 Bd7 19. Re1 Rb8 20. Nd1 b5 21. axb5 axb5 22. Ne3 Nxe3 23. Bxe3 bxc4 24. bxc4 Rb2 25. Qc1 Qa5 26. Rf2 Re8 27. Kf1 Qa2 28. Bf3 Rc2 29. Qb1 Qxc4 30. Rc1 Rxc1+ 31. Bxc1 Nf6 32. Kg2 Ng4 33. Bxg4 fxg4 34. Nf4 Re1 35. Qb8+ Be8 0-1

[Event "Maastricht"]
[Site "Maastricht"]
[Date "1946.04.22"]
[Round "3"]
[White "Doerner, Charles"]
[Black "Wolthuis, Willem"]
[Result "1/2-1/2"]
[ECO "D45"]
[PlyCount "73"]
[EventDate "1946.04.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 c6 3. e3 Nf6 4. c4 e6 5. Nc3 Nbd7 6. cxd5 exd5 7. Bd3 Bd6 8. 0-0 0-0 9. Re1 Re8 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 h6 13. Bd2 Nf6 14. Bd3 Be6 15. Qc2 Nd5 16. a3 Qf6 17. Be4 Rad8 18. Rad1 Nf4 19. Bc3 Bd5 20. Bxd5 Nxd5 21. Ba5 Rc8 22. Bd2 Rcd8 23. Kf1 Bc7 24. Rxe8+ Rxe8 25. Re1 Rxe1+ 26. Bxe1 Qe6 27. Qe2 Qxe2+ 28. Kxe2 Nf4+ 29. Kf1 Kf8 30. Bc3 g6 31. g3 Nd5 32. Bd2 h5 33. h3 Ke7 34. Ke2 Bb6 35. Kd3 Nc7 36. Bb4+ Ke6 37. Ng5+ 1/2-1/2

[Event "Maastricht"]
[Site "Maastricht"]
[Date "1946.04.21"]
[Round "2"]
[White "Wolthuis, Willem"]
[Black "Euwe, Max"]
[Result "0-1"]
[ECO "E94"]
[PlyCount "42"]
[EventDate "1946.04.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 Nbd7 7. 0-0 e5 8. dxe5 dxe5 9. b3 c6 10. Qc2 Re8 11. Ba3 Bf8 12. Bxf8 Nxf8 13. c5 Bg4 14. Nd2 Ne6 15. f3 Nd4 16. Qd3 Be6 17. f4 Nxe2+ 18. Qxe2 Qd4+ 19. Kh1 Qxc3 20. f5 gxf5 21. exf5 Bd5 0-1

[Event "Maastricht"]
[Site "Maastricht"]
[Date "1946.04.20"]
[Round "1"]
[White "Wolthuis, Willem"]
[Black "Van Scheltinga, Theo D"]
[Result "1/2-1/2"]
[ECO "E33"]
[PlyCount "166"]
[EventDate "1946.04.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. a3 Bxc3+ 7. Qxc3 a5 8. Bg5 h6 9. Bh4 g5 10. d5 Nb8 11. Bg3 e5 12. Nd2 Nh5 13. Bxe5 dxe5 14. Qxe5+ Kd7 15. Qf5+ Ke8 16. Qe5+ Kd7 17. h4 Re8 18. Qf5+ Ke7 19. Qe5+ Kd7 20. Qd4 Nf6 21. hxg5 hxg5 22. Rh6 Ng8 23. Qg4+ Ke7 24. Qxg5+ Kf8 25. Qxd8 Rxd8 26. Rh4 f5 27. f3 c6 28. e4 fxe4 29. fxe4 cxd5 30. cxd5 Nd7 31. Nc4 b6 32. Bd3 Ba6 33. Kd2 Bxc4 34. Bxc4 Ne5 35. Be2 Nf6 36. Rc1 Ke7 37. Ke3 Rg8 38. Kd4 Rg5 39. Rc7+ Nfd7 40. Rh6 Rag8 41. d6+ Kd8 42. Ba6 Ke8 43. Re6+ Kf7 44. Re7+ Kf6 45. Rexd7 Rxg2 46. Rh7 Rd2+ 47. Ke3 Rxd6 48. Rh6+ Rg6 49. Rxg6+ Nxg6 50. Bc4 Ke5 51. Bd5 Rf6 52. Kd3 Rf2 53. Kc3 Nf4 54. Bc4 Kxe4 55. Re7+ Kf5 56. Rb7 Ke5 57. Rxb6 Rf3+ 58. Kc2 Kd4 59. Ba6 Rf2+ 60. Kb3 Nd5 61. Rb5 Rf6 62. Rxa5 Rb6+ 63. Ka2 Rh6 64. Bb7 Ne3 65. Rb5 Kc4 66. a4 Rh2 67. Ba6 Nd5 68. Ka3 Kd4 69. Bb7 Rh3+ 70. Rb3 Ne3 71. Rc3 Rh6 72. a5 Nc4+ 73. Kb4 Nxb2 74. Rc8 Nd3+ 75. Kb5 Rh5+ 76. Kb6 Nb4 77. Bc6 Rg5 78. Bb5 Rg6+ 79. Kb7 Kd5 80. Bc4+ Kd6 81. Rc7 Rg5 82. a6 Nxa6 83. Bxa6 Rc5 1/2-1/2

