[Event "Vlissingen HZ op 24th"]
[Site "Vlissingen"]
[Date "2022.08.13"]
[Round "9"]
[White "Wilgenhof, Otto"]
[Black "Galle, Andre"]
[Result "1-0"]
[ECO "E19"]
[WhiteElo "2170"]
[BlackElo "1999"]
[PlyCount "85"]
[EventDate "2022.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. c4 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qd3 Nxc3 9. Qxc3 c5 10. Rd1 cxd4 11. Nxd4 Bxg2 12. Kxg2 Qc8 13. b3 Nc6 14. Be3 Bf6 15. Rac1 Qb7 16. f3 Rfd8 17. Qd2 Rac8 18. Kf2 d5 19. Nxc6 Rxc6 20. Bg5 Qe7 21. Bxf6 Qxf6 22. cxd5 Rxc1 23. Qxc1 exd5 24. Qc7 a5 25. e4 Re8 26. exd5 Qb2+ 27. Kg1 h5 28. d6 Re2 29. Qc8+ Kh7 30. Qh3 Qe5 31. Qf1 Rxa2 32. Qd3+ g6 33. Qd5 Qe2 34. Qxf7+ Kh8 35. Qf8+ Kh7 36. Qe7+ Qxe7 37. dxe7 Re2 38. Rd7 Kh6 39. Kf1 Re6 40. f4 b5 41. f5 gxf5 42. Rd6 Rxd6 43. e8Q 1-0

[Event "Vlissingen HZ op 24th"]
[Site "Vlissingen"]
[Date "2022.08.12"]
[Round "8"]
[White "Van Dijkhuizen, Robbert"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1869"]
[BlackElo "2170"]
[PlyCount "48"]
[EventDate "2022.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 e6 5. e4 bxc4 6. Bxc4 exd5 7. exd5 d6 8. Ne2 g6 9. Ng3 Bg7 10. 0-0 0-0 11. Nc3 h5 12. Bg5 Qb6 13. Rfe1 Nbd7 14. f4 Qb4 15. Nce4 Ng4 16. Kh1 Qxb2 17. Qxb2 Bxb2 18. Rab1 Bd4 19. Re2 f6 20. Bh4 Nb6 21. Bb5 Bb7 22. h3 Ne3 23. Bc6 Bxc6 24. dxc6 Ned5 0-1

[Event "Vlissingen HZ op 24th"]
[Site "Vlissingen"]
[Date "2022.08.11"]
[Round "7"]
[White "Wilgenhof, Otto"]
[Black "Kalisvaart, Peter"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2170"]
[BlackElo "1979"]
[PlyCount "86"]
[EventDate "2022.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 Nf6 3. Bxf6 exf6 4. e3 Bd6 5. c4 dxc4 6. Bxc4 0-0 7. Nc3 f5 8. Qf3 c6 9. Nge2 Qg5 10. h4 Qg4 11. Qxg4 fxg4 12. e4 Nd7 13. e5 Nb6 14. Bb3 Be7 15. Nf4 a5 16. a3 a4 17. Ba2 Bf5 18. e6 fxe6 19. Nxe6 Bxe6 20. Bxe6+ Kh8 21. Ne2 h5 22. g3 Rae8 23. Nf4 Bd6 24. Ng6+ Kh7 25. Nxf8+ Bxf8 26. 0-0-0 Rxe6 27. Rhe1 Re7 28. Kc2 Nd7 29. Rxe7 Bxe7 30. Kd3 Kg6 31. Ke4 Bd6 32. Rc1 Kf6 33. Rc4 Nb6 34. Rc3 Ke6 35. Rc2 Be7 36. Rc3 Nc8 37. Re3 Bf6 38. Kd3+ Kd5 39. Re8 Nd6 40. Rh8 g6 41. Rh6 Bxd4 42. Rxg6 Nf7 43. Kc2 Ke5 0-1

[Event "Vlissingen HZ op 24th"]
[Site "Vlissingen"]
[Date "2022.08.10"]
[Round "6"]
[White "Hoffman, Ron"]
[Black "Wilgenhof, Otto"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1999"]
[BlackElo "2170"]
[PlyCount "64"]
[EventDate "2022.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 cxd4 4. exd4 d5 5. c3 Bf5 6. Qb3 Qc8 7. Nf3 e6 8. Nbd2 Be7 9. Be2 0-0 10. 0-0 Nc6 11. Ne5 a6 12. a4 Na5 13. Qd1 b5 14. b4 Nc4 15. Nexc4 dxc4 16. Bf3 Nd5 17. Bxd5 exd5 18. Re1 Re8 19. Qf3 a5 20. Qxd5 axb4 21. axb5 Rxa1 22. Rxa1 bxc3 23. Nf3 Bf6 24. Ne5 Rd8 25. Qxf7+ Kh8 26. Nc6 Rd7 27. Qxc4 c2 28. Be5 Bxe5 29. Nxe5 Rxd4 30. Nf7+ Kg8 31. Nh6+ Kh8 32. Nf7+ Kg8 1/2-1/2

[Event "Vlissingen HZ op 24th"]
[Site "Vlissingen"]
[Date "2022.08.09"]
[Round "5"]
[White "Wilgenhof, Otto"]
[Black "Leenhouts, Koen"]
[Result "0-1"]
[ECO "D90"]
[WhiteElo "2170"]
[BlackElo "2442"]
[PlyCount "74"]
[EventDate "2022.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Qb3 Nxc3 7. bxc3 c5 8. e4 cxd4 9. cxd4 Nc6 10. Rb1 0-0 11. d5 Na5 12. Qa3 f5 13. Bd2 b6 14. Bxa5 bxa5 15. Bc4 Qd6 16. Qxd6 exd6 17. e5 dxe5 18. d6+ Kh8 19. Ng5 Bf6 20. Bd5 Ba6 21. Bxa8 Rxa8 22. Ne6 Bc4 23. Nc7 Rd8 24. Rc1 Bxa2 25. 0-0 e4 26. Rc6 a4 27. Nb5 Bd5 28. Rc7 a6 29. Nc3 Bb3 30. d7 Kg7 31. Rc1 a3 32. Rb7 Bc4 33. Rb4 Bf7 34. Ra4 Bxc3 35. Rxc3 Rxd7 36. Rc1 a2 37. Rxa6 Rb7 0-1

[Event "Vlissingen HZ op 24th"]
[Site "Vlissingen"]
[Date "2022.08.08"]
[Round "4"]
[White "Reichardt, Gert"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1979"]
[BlackElo "2170"]
[PlyCount "136"]
[EventDate "2022.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 h6 6. Be3 Qf6 7. Nc3 c6 8. 0-0 Ne7 9. Ne2 Bg4 10. Ng3 Nd7 11. Be2 0-0-0 12. c3 Rde8 13. Qa4 Bxg3 14. hxg3 Nf5 15. Rae1 Nxe3 16. fxe3 Qe7 17. Bd3 Bxf3 18. gxf3 Qg5 19. Kf2 h5 20. f4 Qg4 21. Qd1 Nf6 22. Qc2 g6 23. Be2 Qe6 24. Bf3 h4 25. gxh4 Rxh4 26. Rg1 Rh2+ 27. Rg2 Qh3 28. Reg1 Qh4+ 29. Ke2 Qxf4 30. Qd3 Rh3 31. Rf1 Kb8 32. Kd2 Qh6 33. Re2 Rh2 34. Rxh2 Qxh2+ 35. Qe2 Qh6 36. Rh1 Qg5 37. Qh2+ Kc8 38. Qf2 Qf5 39. Rf1 Re7 40. Bg2 Qxf2+ 41. Rxf2 Ne8 42. Bf1 Nd6 43. Bd3 f5 44. Rg2 Rg7 45. Rg5 Kd7 46. Ke2 Ke6 47. Rg2 Kf6 48. Rh2 g5 49. Rh6+ Ke7 50. Kf2 Nf7 51. Rh5 Kf6 52. Kg2 Kg6 53. Rh1 Nd6 54. Rh8 g4 55. Rd8 Nf7 56. Rd7 Nh6 57. Rxg7+ Kxg7 58. Kg3 Kg6 59. Kf4 Kh5 60. Kg3 Kg5 61. a4 Ng8 62. c4 Nf6 63. b3 a5 64. cxd5 cxd5 65. Bb5 Ne4+ 66. Kg2 f4 67. exf4+ Kxf4 68. Bd7 Nf6 0-1

[Event "Vlissingen HZ op 24th"]
[Site "Vlissingen"]
[Date "2022.08.07"]
[Round "2"]
[White "Kogeler, Aart"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1697"]
[BlackElo "2170"]
[PlyCount "78"]
[EventDate "2022.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 Bg7 7. Nf3 0-0 8. Be2 e6 9. e4 axb5 10. Bxb5 Qa5 11. 0-0 Nxe4 12. Nxe4 Qxb5 13. Nc3 Qc4 14. Be3 Bb7 15. Rc1 Na6 16. b3 Qb4 17. Na4 Bxd5 18. Nxc5 d6 19. Nd7 Rfd8 20. Nb6 Bxf3 21. Qxf3 Rab8 22. Na4 d5 23. Qe2 Qb5 24. Qd2 d4 25. Bf4 e5 26. Bg3 Rb7 27. f3 Bf8 28. Rc4 Bb4 29. Qd3 f5 30. Rfc1 Rbd7 31. Bh4 Re8 32. Be1 e4 33. fxe4 fxe4 34. Qh3 Bxe1 35. Rxe1 d3 36. Rcxe4 Rxe4 37. Rxe4 d2 38. Re8+ Kg7 39. Qc3+ Kf7 0-1

[Event "Vlissingen HZ op 24th"]
[Site "Vlissingen"]
[Date "2022.08.07"]
[Round "3"]
[White "Wilgenhof, Otto"]
[Black "Klein, Jorik"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2170"]
[BlackElo "1918"]
[PlyCount "99"]
[EventDate "2022.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 Bg7 5. c4 0-0 6. Nc3 f5 7. g3 d6 8. Bg2 Nd7 9. Nge2 Nf6 10. Nf4 Re8 11. h4 h5 12. 0-0 c6 13. b4 Ne4 14. Rc1 Qe7 15. Nxe4 fxe4 16. d5 Bg4 17. Qb3 Bh6 18. c5 Bxf4 19. exf4 cxd5 20. Qxd5 dxc5 21. Qxc5 Qe6 22. Rfe1 Qxa2 23. Bxe4 Rac8 24. Qd4 a5 25. Bd5 Rxc1 26. Rxc1 Qe2 27. bxa5 Bf3 28. Bc4 Qe7 29. Qd3 Be4 30. Qe3 Qd7 31. Bf1 Bc6 32. Qd3 Qe6 33. Qd4 Qb3 34. Bg2 Bxg2 35. Kxg2 Qb5 36. Rc5 Qb1 37. Rc7 Qf5 38. Qd7 Qe4+ 39. Kh2 Rf8 40. Qb5 Qe1 41. Qc5 Ra8 42. Rxb7 Qxa5 43. Rb5 Qe1 44. f5 Rf8 45. Qc2 Qf1 46. Rc5 Kh8 47. Rc6 Re8 48. fxg6 Re2 49. Qc3+ Kg8 50. Rc8+ 1-0

[Event "Vlissingen HZ op 24th"]
[Site "Vlissingen"]
[Date "2022.08.06"]
[Round "1"]
[White "Wilgenhof, Otto"]
[Black "Kools, Jasper"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2170"]
[BlackElo "1774"]
[PlyCount "84"]
[EventDate "2022.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. g3 0-0 6. Bg2 dxc4 7. e4 c5 8. d5 exd5 9. exd5 Bd6 10. 0-0 a6 11. a4 Bf5 12. Re1 Nbd7 13. Bf1 Qc7 14. Bxc4 Rfe8 15. Rxe8+ Rxe8 16. Qf1 h6 17. Bd2 Kf8 18. Nh4 Bh7 19. Bd3 Ne5 20. Bxh7 Nxh7 21. Bf4 Qd7 22. Bxe5 Bxe5 23. Qc4 Bd4 24. Nf3 Ng5 25. Nxg5 hxg5 26. Ne2 Re5 27. Nxd4 cxd4 28. Qxd4 Rxd5 29. Qb4+ Kg8 30. Re1 Rd4 31. Qb3 Rxa4 32. Rd1 Qc6 33. Rd8+ Kh7 34. Qd1 g4 35. b3 Rb4 36. Rd6 Qe4 37. h3 a5 38. Rd5 a4 39. Rd3 Rxb3 40. Rxb3 axb3 41. Qxb3 gxh3 42. f3 Qe2 0-1

[Event "Utrecht Keres Memorial"]
[Site "Utrecht"]
[Date "2022.05.29"]
[Round "6"]
[White "Wilgenhof, Otto"]
[Black "Van Meegen, Ruud"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2174"]
[BlackElo "2275"]
[PlyCount "133"]
[EventDate "2022.05.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. g3 e6 4. Bg2 c5 5. 0-0 Nc6 6. b3 Be7 7. Ba3 cxd4 8. Bxe7 Qxe7 9. Nxd4 Nxd4 10. Qxd4 0-0 11. Nd2 e5 12. Qh4 Bd7 13. c4 Bc6 14. cxd5 Bxd5 15. Bxd5 Nxd5 16. Qxe7 Nxe7 17. Nc4 Nc6 18. Rfd1 Rfd8 19. e3 Kf8 20. Kf1 Ke7 21. a4 Ke6 22. Ke2 Nb4 23. f4 exf4 24. gxf4 Rac8 25. h4 f5 26. Rxd8 Rxd8 27. Rg1 Rd7 28. h5 Nd3 29. h6 g6 30. a5 Nc5 31. Ne5 Rd5 32. b4 Ne4 33. Nd3 Nc3+ 34. Kd2 Ne4+ 35. Kc2 Rd7 36. Rg2 Rc7+ 37. Kb2 Nf6 38. Ne5 Nd5 39. Rg3 Nxb4 40. Nxg6 hxg6 41. Rxg6+ Kd5 42. Rg7 Rc6 43. Rd7+ Kc4 44. h7 Rh6 45. Rc7+ Kd5 46. Rxb7 Nc6 47. a6 Kd6 48. Rf7 Ke6 49. Rc7 Ne7 50. Rxa7 Rxh7 51. Rb7 Rh8 52. Kb3 Ra8 53. Rb6+ Kd5 54. Kb4 Nc6+ 55. Kb5 Na7+ 56. Ka4 Kc4 57. Re6 Nb5 58. Rc6+ Kd3 59. Kxb5 Kxe3 60. Rc4 Rb8+ 61. Ka5 Ra8 62. Kb6 Rb8+ 63. Kc7 Ra8 64. Kb7 Rh8 65. a7 Rh7+ 66. Kb8 Rh8+ 67. Rc8 1-0

[Event "Utrecht Keres Memorial"]
[Site "Utrecht"]
[Date "2022.05.27"]
[Round "3"]
[White "Haver, Daan"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2165"]
[BlackElo "2174"]
[PlyCount "65"]
[EventDate "2022.05.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 d6 6. Nc3 g6 7. a7 Rxa7 8. e4 Bg7 9. Nf3 0-0 10. Be2 Ba6 11. 0-0 Qa5 12. Bd2 Bxe2 13. Qxe2 Nbd7 14. Nb5 Qa6 15. a4 Rb7 16. Bc3 Rc8 17. b3 Nb6 18. Nd2 Na8 19. Nc4 Nc7 20. Nca3 Nxb5 21. Nxb5 Nd7 22. Bxg7 Kxg7 23. f4 Nb6 24. Rf3 c4 25. f5 Nxa4 26. fxg6 fxg6 27. bxc4 Ra8 28. Raf1 Nc5 29. Rf7+ Kg8 30. Qf3 e5 31. Rf8+ Kg7 32. Qf6+ Kh6 33. Nxd6 1-0

[Event "NED-chT Promotion Liga 1"]
[Site "Netherlands"]
[Date "2021.06.12"]
[Round "1.2"]
[White "Wilgenhof, Otto"]
[Black "Cornelisse, Johnny JA"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "2175"]
[BlackElo "2196"]
[PlyCount "104"]
[EventDate "2021.06.12"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Arnhem"]
[BlackTeam "Paul Keres II"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. Nf3 c5 3. c3 cxd4 4. cxd4 Nc6 5. Nc3 Nf6 6. Bf4 e6 7. e3 Bb4 8. Bd3 Qa5 9. Qb3 Ne4 10. Bxe4 dxe4 11. Nd2 Qf5 12. 0-0 Bxc3 13. Qxc3 0-0 14. Qc2 Nxd4 15. exd4 Qxf4 16. g3 Qf5 17. Qxe4 Qxe4 18. Nxe4 Bd7 19. b4 Bc6 20. Nc3 Rfd8 21. Rfd1 Rac8 22. Rd3 Bd5 23. f3 Kf8 24. Kf2 Rc4 25. a3 Rdc8 26. Rc1 Bc6 27. Ke3 f6 28. Kd2 Be8 29. Ne2 Bg6 30. Rxc4 Rxc4 31. Rc3 Rxc3 32. Kxc3 Ke7 33. Kc4 Bh5 34. g4 Be8 35. b5 b6 36. Nc3 Bf7 37. Kd3 g5 38. Ke3 h6 39. f4 Bg6 40. Na2 Kd6 41. Nb4 Be8 42. a4 Bd7 43. Ke4 Bc8 44. Ke3 Bb7 45. f5 exf5 46. gxf5 Bd5 47. Kd3 h5 48. Ke3 h4 49. h3 Bg2 50. Kf2 Bxh3 51. Nc6 Bxf5 52. Nxa7 Bd7 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2014.07.31"]
[Round "9"]
[White "Op den Dries, Johan"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "C14"]
[WhiteElo "2098"]
[BlackElo "2217"]
[PlyCount "110"]
[EventDate "2014.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 4. e4 Be7 5. Bxf6 Bxf6 6. e5 Be7 7. Qg4 0-0 8. Nf3 c5 9. dxc5 Nc6 10. Bd3 f5 11. exf6 Bxf6 12. Qh5 g6 13. Bxg6 hxg6 14. Qxg6+ Bg7 15. Ng5 Rf6 16. Qh7+ Kf8 17. Qd3 Rf5 18. h4 Qe7 19. g4 Bxc3+ 20. bxc3 Rf4 21. Qe3 e5 22. 0-0-0 d4 23. Qd3 Bxg4 24. Qg6 Qg7 25. Qd6+ Ke8 26. Ne6 Bxe6 27. Qxe6+ Qe7 28. Qg8+ Rf8 29. Qg6+ Qf7 30. Rdg1 Rd8 31. c4 Qxg6 32. Rxg6 Kf7 33. h5 Rh8 34. Rg3 Rdg8 35. Rf3+ Ke6 36. Kd2 Rh6 37. Rh4 Rg5 38. Rfh3 Rf5 39. f3 Kf6 40. c3 dxc3+ 41. Kxc3 Nd4 42. f4 Ne2+ 43. Kb4 Nxf4 44. Ra3 Rhxh5 45. Rxh5 Rxh5 46. Rxa7 Nd3+ 47. Kc3 Nxc5 48. Ra5 b6 49. Rb5 Kf5 50. Kd2 Rh6 51. Ke3 Rd6 52. Rb1 e4 53. Rb5 Ke5 54. a4 Rd3+ 55. Ke2 Rb3 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2014.07.30"]
[Round "8"]
[White "Wilgenhof, Otto"]
[Black "Sparenberg, Erik"]
[Result "0-1"]
[ECO "E98"]
[WhiteElo "2217"]
[BlackElo "2119"]
[PlyCount "104"]
[EventDate "2014.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Ne8 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. Nd3 Rf6 14. c5 h5 15. Qb3 Rg6 16. cxd6 cxd6 17. Nb5 a6 18. Na7 Kh7 19. Nxc8 Qxc8 20. Rfc1 Qd7 21. Bb6 g4 22. Kf1 Nc8 23. Rc3 Nxb6 24. Qxb6 Bf6 25. fxg4 hxg4 26. Nf2 Bd8 27. Qb3 Nf6 28. Rac1 Rg7 29. h3 f3 30. gxf3 gxh3 31. f4 exf4 32. Rxh3+ Kg8 33. Qf3 Bb6 34. Qh1 Kf7 35. Rh8 Rxh8 36. Qxh8 Rh7 37. Qc8 Qxc8 38. Rxc8 Rh2 39. Ng4 Nxg4 40. Bxg4 f3 41. Bxf3 Rf2+ 42. Ke1 Rxf3 43. Rb8 Bd4 44. Rxb7+ Kf6 45. a4 Ke5 46. Re7+ Kf4 47. Ke2 Re3+ 48. Kd2 Rb3 49. Kc2 Rxb2+ 50. Kd3 Rb4 51. Rf7+ Kg5 52. a5 Ra4 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2014.07.29"]
[Round "7"]
[White "Go, Benjamin"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2133"]
[BlackElo "2217"]
[PlyCount "111"]
[EventDate "2014.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. dxc5 Nc6 7. Bf4 Nxc5 8. Qd2 d4 9. Nb5 Ne4 10. Qe2 Bb4+ 11. Nd2 Nxd2 12. Bxd2 Bc5 13. Qg4 g6 14. c3 d3 15. b4 Qb6 16. Nd6+ Bxd6 17. exd6 Qb5 18. Qe4 Qe5 19. Qxe5 Nxe5 20. Bf4 Nc6 21. Bxd3 f6 22. 0-0-0 e5 23. Bh6 Kf7 24. f4 Bg4 25. Rde1 Rac8 26. Kb2 Rhd8 27. b5 Na5 28. fxe5 fxe5 29. Rhf1+ Kg8 30. Rxe5 Rxd6 31. Re7 Be6 32. Be2 Nc4+ 33. Bxc4 Bxc4 34. Rf4 Rd2+ 35. Kc1 Rxg2 36. Rc7 Re8 37. Re7 Rg1+ 38. Kb2 Rg2+ 39. Ka3 Rc8 40. Rg7+ Kh8 41. Rxc4 Rxc4 42. Rxb7 Rxc3+ 43. Kb4 Rc8 44. Bg7+ Kg8 45. Rxa7 Rxh2 46. b6 Rb8 47. Kb5 Rxa2 48. Rxa2 Kxg7 49. Kc6 g5 50. Kc7 Rf8 51. b7 h5 52. Ra8 Rf7+ 53. Kc6 Rxb7 54. Kxb7 g4 55. Kc6 h4 56. Kd5 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2014.07.28"]
[Round "6"]
[White "Wilgenhof, Otto"]
[Black "Bus, Tom"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2217"]
[BlackElo "2108"]
[PlyCount "20"]
[EventDate "2014.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. e4 Nxe4 5. Qe2 Qa5+ 6. c3 Nf6 7. d6 e6 8. Na3 Ba6 9. Bf4 Nd5 10. Qe4 f5 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2014.07.26"]
[Round "5"]
[White "Bollen, Guus"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2011"]
[BlackElo "2217"]
[PlyCount "37"]
[EventDate "2014.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Be7 6. Nf3 0-0 7. Bd3 dxc4 8. Bxc4 Bf5 9. 0-0 Nbd7 10. Re1 Nb6 11. Bb3 h6 12. Ne5 c5 13. Qf3 cxd4 14. Qxf5 dxc3 15. Bxh6 Nfd5 16. Bc2 Nf6 17. Bxg7 Qc8 18. Qg5 Ne4 19. Qh6 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2014.07.25"]
[Round "4"]
[White "Wilgenhof, Otto"]
[Black "Stolwijk, Colin"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2217"]
[BlackElo "2075"]
[PlyCount "129"]
[EventDate "2014.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 Bg4 5. Qb3 Qb6 6. Ne5 Bf5 7. Nc3 e6 8. c5 Qc7 9. Be2 Nbd7 10. f4 Be7 11. 0-0 0-0 12. g4 Nxe5 13. gxf5 Ned7 14. fxe6 fxe6 15. e4 g6 16. e5 Ne8 17. Bg4 Ng7 18. Ne2 Nf5 19. Bxf5 gxf5 20. Qh3 Kh8 21. Be3 Rg8+ 22. Kf2 Rg4 23. Rg1 Bh4+ 24. Kf3 Rag8 25. Bf2 Qd8 26. Bxh4 Rxh4 27. Rxg8+ Kxg8 28. Rg1+ Kh8 29. Qg3 Rg4 30. Qe1 Rxg1 31. Qxg1 Nf8 32. b4 a5 33. bxa5 Qxa5 34. Qg5 Qa3+ 35. Kf2 Qa8 36. Qe7 Kg8 37. h4 Qc8 38. Qg5+ Kh8 39. Ng3 Qe8 40. h5 Qf7 41. Ke3 Qg7 42. h6 Qxg5 43. fxg5 Kg8 44. Nh5 Kf7 45. Nf6 Kg6 46. Kf4 Kf7 47. a4 Ng6+ 48. Kf3 Nf8 49. a5 Kg6 50. Ne8 Kxg5 51. Nd6 Nd7 52. Nxb7 Nb8 53. Nd8 Kxh6 54. Nxe6 Na6 55. Kf4 Kg6 56. Ng5 h6 57. Nf3 Nc7 58. Nh4+ Kf7 59. Nxf5 h5 60. Kg5 Ke6 61. Ng3 Nb5 62. a6 Kd7 63. Kxh5 Kc8 64. Nf5 Nc7 65. a7 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2014.07.24"]
[Round "3"]
[White "Kazarian, Anna Maja"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2025"]
[BlackElo "2217"]
[PlyCount "131"]
[EventDate "2014.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Be7 6. Bd3 0-0 7. Nge2 dxc4 8. Bxc4 Bf5 9. 0-0 Nbd7 10. Ng3 Bg6 11. h4 Nb6 12. Bb3 h6 13. h5 Bh7 14. Bf4 Qd7 15. Be5 c6 16. Bc2 Bxc2 17. Qxc2 Ng4 18. Qf5 Rad8 19. Rfe1 Nc4 20. Bxg7 Kxg7 21. Qe4 Bg5 22. Nf5+ Kf6 23. Qxg4 Nd6 24. Ne3 Qxg4 25. Nxg4+ Kg7 26. Rad1 Nc4 27. Re2 Rfe8 28. b3 Rxe2 29. Nxe2 Nb2 30. Rb1 Nd3 31. g3 f5 32. Ne5 Nxe5 33. dxe5 Rd2 34. Nc3 Rc2 35. Na4 Bc1 36. b4 b6 37. Kf1 Ba3 38. Rb3 Rxa2 39. Nc3 Ra1+ 40. Ke2 c5 41. bxc5 Bxc5 42. f4 a5 43. Nb5 Ra2+ 44. Kd3 a4 45. Rb1 Rg2 46. Kc4 Rxg3 47. Nd6 Rf3 48. Nxf5+ Kf8 49. Kd5 a3 50. Rd1 Rxf4 51. Ke6 Kg8 52. Rd8+ Bf8 53. Ne7+ Kh7 54. Ra8 Rf3 55. Nf5 Rxf5 56. Kxf5 Bb4 57. Kf6 Ba5 58. Ra7+ Kg8 59. Rg7+ Kf8 60. Rg2 b5 61. Rc2 Bd8+ 62. Ke6 Bb6 63. Kd5 Ke7 64. e6 Be3 65. Rc7+ Kd8 66. e7+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2014.07.23"]
[Round "2"]
[White "Wilgenhof, Otto"]
[Black "Das, Arghyadip"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2217"]
[BlackElo "2439"]
[PlyCount "100"]
[EventDate "2014.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. a4 g6 4. c4 Bg7 5. e4 Nf6 6. Nc3 0-0 7. Be2 e6 8. h3 exd5 9. exd5 Na6 10. Nf3 Bf5 11. g4 Be4 12. 0-0 Bxf3 13. Bxf3 Nd7 14. Ne4 h6 15. Nxd6 Ne5 16. Ne4 Nxc4 17. Be2 Nd6 18. Bxa6 Nxe4 19. Bxb7 Rb8 20. Bc6 Qh4 21. Qf3 f5 22. d6 Nxd6 23. Bf4 Rbd8 24. Qd5+ Nf7 25. Qxc5 Bd4 26. Qc4 Qxh3 27. Qe2 g5 28. Be3 Be5 29. f3 Rd6 30. Rac1 Rb8 31. Bb5 a6 32. Bc4 Rxb2 33. Rc2 Rxc2 34. Qxc2 Qg3+ 35. Kh1 Kg7 36. Bxf7 Kxf7 37. Qxf5+ Kg7 38. Qc2 Rd3 39. Bb6 Rxf3 40. Rxf3 Qxf3+ 41. Qg2 Qd1+ 42. Bg1 Qb3 43. Bf2 Qb1+ 44. Bg1 Bd4 45. Kh2 Qxg1+ 46. Qxg1 Bxg1+ 47. Kxg1 Kf6 48. Kf2 Ke5 49. Ke3 a5 50. Kf3 Kd4 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2014.07.22"]
[Round "1"]
[White "Halfhide, Sebastian"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "1979"]
[BlackElo "2217"]
[PlyCount "104"]
[EventDate "2014.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Ne2 Bd6 11. 0-0 Qc7 12. Bg5 0-0 13. Bh4 Nh5 14. Qc2 h6 15. Bg6 Rxf3 16. Bxh5 Rf8 17. Bg3 Bxg3 18. hxg3 Bd7 19. Nf4 Rxf4 20. gxf4 Qxf4 21. Rad1 Nxd4 22. Qd2 Qxd2 23. Rxd2 Nc6 24. f4 Rf8 25. f5 exf5 26. Bf3 d4 27. Bd5+ Kh7 28. Bxc6 Bxc6 29. Rxd4 g5 30. Re1 Rf6 31. Red1 f4 32. Rd6 Rf7 33. Re1 Bd7 34. Kf2 h5 35. Re5 Bf5 36. Rdd5 Kg6 37. Rd6+ Rf6 38. Rxf6+ Kxf6 39. Ra5 a6 40. Kf3 h4 41. Rc5 Be6 42. a4 Kg6 43. Re5 Bb3 44. a5 Kh5 45. Rc5 Bd1+ 46. Kf2 Ba4 47. Re5 Bc6 48. Rc5 Kg6 49. Re5 g4 50. Rc5 g3+ 51. Kg1 f3 52. gxf3 h3 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.28"]
[Round "9"]
[White "Wilgenhof, Otto"]
[Black "Ikeda, Junta"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2210"]
[BlackElo "2349"]
[PlyCount "98"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 0-0 8. Nc3 d5 9. Ne5 c6 10. 0-0 dxc4 11. Bxc6 Nxc6 12. Nxc6 Qd7 13. Nxe7+ Qxe7 14. Bg5 h6 15. Bxf6 Qxf6 16. b4 Rfd8 17. e3 Bb7 18. f4 a6 19. a4 Qe7 20. b5 axb5 21. axb5 Rxa1 22. Qxa1 Ra8 23. Qb2 Ra3 24. Rc1 Rb3 25. Qe2 Qa3 26. Qe1 Qd6 27. Qd2 Rxc3 28. Rxc3 Qd5 29. Qe2 Qh1+ 30. Kf2 Bd5 31. e4 Bxe4 32. Rxc4 Bf5 33. Ke3 Qg1+ 34. Kd2 Qb1 35. Kc3 Kh7 36. Rc6 Qc1+ 37. Kb3 Qb1+ 38. Qb2 Qd1+ 39. Ka3 Qe1 40. Qc3 Qe2 41. Rxb6 Be4 42. Rb8 Bd5 43. h4 Kg6 44. Kb4 h5 45. Rc8 Kf6 46. Kc5 Qa2 47. b6 Qa6 48. Rc7 Qa8 49. Ra7 Qc6+ 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.27"]
[Round "8"]
[White "Turova, Irina"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "2413"]
[BlackElo "2210"]
[PlyCount "109"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. Nf3 Nbd7 7. 0-0 e5 8. e3 Re8 9. a4 exd4 10. exd4 d5 11. c5 c6 12. Bf4 Ne4 13. a5 f5 14. Qb3 Ndf6 15. Ne5 g5 16. a6 Qe7 17. Be3 bxa6 18. Nxc6 Qc7 19. Nxe4 Nxe4 20. Nb4 Qf7 21. f3 Nf6 22. Bxg5 Rb8 23. Qc3 Qb7 24. Nd3 Bd7 25. Ne5 Qxb2 26. Qxb2 Rxb2 27. Bxf6 Bxf6 28. f4 Bb5 29. Rf2 Rb4 30. Rd2 Kg7 31. Bf1 Bxf1 32. Kxf1 Re6 33. Kf2 Bd8 34. Ke3 a5 35. Rda2 Bc7 36. Kd3 h5 37. Kc3 Ra6 38. Ra4 Rb8 39. Re1 Re6 40. Re2 Rb5 41. Raa2 Rh6 42. Nf3 Bd8 43. Re5 Ra6 44. Ra4 Rb1 45. Rxd5 Bf6 46. Rxf5 Rf1 47. Ne5 h4 48. gxh4 Bxh4 49. Kc4 Bd8 50. Rf7+ Kg8 51. Rd7 Bf6 52. Nd3 Re6 53. Rxa5 a6 54. Kd5 Re3 55. Rxa6 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.26"]
[Round "7"]
[White "Wilgenhof, Otto"]
[Black "Odendahl, Reiner"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2210"]
[BlackElo "2375"]
[PlyCount "70"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 c6 7. Nc3 Na6 8. h3 Qb6 9. Qc2 Bf5 10. e4 Nxe4 11. g4 Nxc3 12. gxf5 Nxa2 13. Rxa2 Nb4 14. Qa4 Nxa2 15. Qxa2 gxf5 16. Qb1 e6 17. d5 Qb3 18. Nd2 Qb4 19. Qd3 cxd5 20. cxd5 Rac8 21. dxe6 fxe6 22. Qe3 Rf6 23. Nb3 Rg6 24. Kh2 Qh4 25. Bd2 Be5+ 26. f4 Bxb2 27. Bxb7 Rc2 28. Rg1 Kg7 29. Rxg6+ hxg6 30. Bg2 e5 31. Qxa7+ Kh6 32. fxe5+ Rxd2 33. Qe3+ Qg5 34. Qxd2 Qxd2 35. Nxd2 dxe5 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.25"]
[Round "6"]
[White "Smagin, Nikita"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1977"]
[BlackElo "2210"]
[PlyCount "86"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Nfd7 5. d4 c5 6. dxc5 Nc6 7. Bf4 Bxc5 8. Bd3 f6 9. exf6 Nxf6 10. 0-0 0-0 11. Qe2 Qe8 12. Rad1 Nh5 13. Bg3 Bd7 14. Ne5 Nxg3 15. hxg3 Nxe5 16. Qxe5 Qf7 17. Rd2 Qf6 18. Qxf6 Rxf6 19. Be2 Bc6 20. Bf3 Raf8 21. Nd1 g5 22. c4 Rxf3 23. gxf3 dxc4 24. Rc2 Rxf3 25. Rc3 Rf6 26. Ne3 Rh6 27. Ng2 b5 28. Rd1 Bd5 29. a3 Kf7 30. g4 Bb6 31. Rg3 a5 32. Rc1 Bd4 33. Rc2 b4 34. axb4 axb4 35. Re2 e5 36. Rd2 Ke6 37. Kf1 c3 38. bxc3 bxc3 39. Rc2 Rh1+ 40. Ke2 Bc4+ 41. Kf3 Bd3 42. Ne3 Rh2 43. Rg1 e4+ 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.23"]
[Round "5"]
[White "Wilgenhof, Otto"]
[Black "Van Foreest, Jorden"]
[Result "1-0"]
[ECO "D44"]
[WhiteElo "2210"]
[BlackElo "2097"]
[PlyCount "95"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Qb6 12. exf6 Bb7 13. Bg2 c5 14. d5 0-0-0 15. 0-0 b4 16. Na4 Qb5 17. a3 exd5 18. axb4 cxb4 19. Qg4 Bd6 20. Be3 Be5 21. Bxa7 d4 22. Nb6+ Kc7 23. Nxc4 Bxg2 24. Kxg2 Qd5+ 25. f3 Rdg8 26. Nxe5 Rxg4 27. Nxg4 Kb7 28. Bxd4 Qxd4 29. Rad1 Qxb2+ 30. Rf2 Qb3 31. Rxd7+ Kb6 32. Ne5 Rc8 33. Rxf7 Rc1 34. Rd7 Qb1 35. Nd3 Rg1+ 36. Kh3 Qa1 37. Rb2 Qa5 38. Kg4 Qa8 39. Rxb4+ Kc6 40. Ne5+ Kc5 41. Rc4+ Kb5 42. f7 Re1 43. Rf4 Qf8 44. Rd5+ Ka6 45. Ra4+ Kb7 46. Rb5+ Kc7 47. Ra7+ Kd6 48. Ra6+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.22"]
[Round "4"]
[White "Vosselman, Jan M"]
[Black "Wilgenhof, Otto"]
[Result "1/2-1/2"]
[ECO "E93"]
[WhiteElo "2112"]
[BlackElo "2210"]
[PlyCount "93"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Nf3 d6 6. Be2 e5 7. d5 Nbd7 8. h3 Nc5 9. Qc2 a5 10. g4 Nfd7 11. Be3 f5 12. exf5 gxf5 13. 0-0-0 e4 14. Nd2 Nd3+ 15. Bxd3 exd3 16. Qxd3 Ne5 17. Qc2 Qf6 18. f4 Ng6 19. g5 Qe7 20. Rde1 Bd7 21. h4 Rae8 22. Nf3 Qxe3+ 23. Rxe3 Rxe3 24. Qf2 Rfe8 25. Re1 Bd4 26. Nxd4 Rxe1+ 27. Kd2 Rh1 28. Nf3 Nxf4 29. Qg3 Ng6 30. Qg2 Ra1 31. h5 Ne5 32. Nxe5 Rxe5 33. g6 h6 34. Qf2 b6 35. Qh4 Rg1 36. Qd8+ Be8 37. Qxc7 Rg2+ 38. Kd3 Rg3+ 39. Kc2 a4 40. Qh7+ Kf8 41. Qxh6+ Ke7 42. Qg7+ Kd8 43. Qf6+ Kc7 44. Nb5+ Bxb5 45. cxb5 Rg2+ 46. Kc3 Rg3+ 47. Kc2 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.21"]
[Round "3"]
[White "Wilgenhof, Otto"]
[Black "Van Meegen, Ruud"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2210"]
[BlackElo "1947"]
[PlyCount "91"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bh4 g5 4. f3 gxh4 5. fxe4 c5 6. e3 Bh6 7. Kf2 Qb6 8. Nc3 Qxb2 9. Nd5 Nc6 10. Rb1 Qa3 11. Rb3 Qa5 12. Rb5 Qd8 13. Rxc5 d6 14. Rb5 e6 15. Qh5 Bg7 16. Nf4 a6 17. Rb3 Qf6 18. Nf3 Bh6 19. e5 dxe5 20. dxe5 Qg7 21. Qxh4 Bxf4 22. Qxf4 b5 23. a4 bxa4 24. Qxa4 Bd7 25. Bb5 Rc8 26. Qxa6 0-0 27. Bd3 Nxe5 28. Nxe5 Qxe5 29. Qa1 Qg5 30. h4 Qd5 31. Qf6 e5 32. Rd1 Qe6 33. Qxe6 Bxe6 34. Rb5 f6 35. Rb6 Rfe8 36. Rc1 Rc3 37. Ke2 Re7 38. Kd2 Rc5 39. c4 h6 40. Kc3 Kf7 41. Kb4 Rcc7 42. c5 Bc8 43. Rf1 e4 44. Rfxf6+ Kg7 45. Bc4 Re5 46. Rg6+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.20"]
[Round "2"]
[White "Swinkels, Maurice"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C19"]
[WhiteElo "2102"]
[BlackElo "2210"]
[PlyCount "85"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Nf3 Bd7 8. a4 Qa5 9. Bd2 c4 10. Qb1 b5 11. axb5 Qxb5 12. Qd1 a5 13. Bc1 Nbc6 14. Ng5 h6 15. Qh5 Ng6 16. Nf3 a4 17. Ba3 Rb8 18. Kd2 Qa5 19. g3 Kd8 20. Bh3 Kc8 21. Rhb1 Na7 22. Nh4 Qd8 23. Nxg6 fxg6 24. Qd1 Nb5 25. Bb4 h5 26. Rxa4 Nxc3 27. Bxc3 Bxa4 28. Bxe6+ Bd7 29. Rxb8+ Kxb8 30. Qb1+ Kc8 31. Bxd5 Qc7 32. Qa2 Bc6 33. Qa6+ Kd7 34. e6+ Kd6 35. Qxc4 Qb6 36. Bb4+ Kc7 37. Qxc6+ Qxc6 38. Bxc6 Kxc6 39. c4 Ra8 40. d5+ Kc7 41. d6+ Kc6 42. d7 Kc7 43. Be7 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.19"]
[Round "1"]
[White "Wilgenhof, Otto"]
[Black "Timman, Jan H"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2210"]
[BlackElo "2575"]
[PlyCount "90"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. Bg5 e6 6. Nc3 Be7 7. 0-0 0-0 8. Bxf6 Bxf6 9. e4 cxd4 10. Nxd4 Nc6 11. Ndb5 Ba6 12. Re1 Bxb5 13. Nxb5 Bxb2 14. Rb1 Be5 15. f4 a6 16. Nd6 Bc3 17. Rf1 f6 18. Qd3 Bd4+ 19. Kh1 Qc7 20. c3 Bc5 21. Rfd1 b5 22. a4 b4 23. cxb4 Bxb4 24. Nc4 Ra7 25. h3 a5 26. Nd6 Bxd6 27. Qxd6 Rc8 28. Bf1 Qxd6 29. Rxd6 Kf8 30. Bb5 Ke7 31. Rbd1 Rcc7 32. Kg2 Nb4 33. R6d2 Rc2 34. Rxc2 Nxc2 35. Kf2 Rc7 36. Rc1 Kd8 37. Rd1 Nb4 38. Ke3 Ke7 39. h4 e5 40. f5 Rc3+ 41. Kf2 d5 42. exd5 Kd6 43. Be2 e4 44. g4 Nxd5 45. Rb1 Rc2 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2009.07.30"]
[Round "9"]
[White "Vovk, Andrey"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "2506"]
[BlackElo "2207"]
[PlyCount "175"]
[EventDate "2009.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 Nc6 7. Nh3 f6 8. exf6 Nxf6 9. Qd2 a6 10. 0-0-0 Na5 11. Nf4 Qd6 12. g3 Bd7 13. Bxf6 Bxf6 14. Ncxd5 exd5 15. Qxa5 0-0-0 16. Qxd5 Qxd5 17. Nxd5 Rhf8 18. Nxf6 Rxf6 19. Rd2 Re8 20. Bd3 Bc6 21. Rg1 Bf3 22. c3 h6 23. Bc2 g5 24. hxg5 hxg5 25. g4 Rf4 26. Bf5+ Kd8 27. Kc2 Be2 28. Rg2 Bf3 29. Rg3 Re1 30. Rh3 Bxg4 31. Rh8+ Ke7 32. Rh7+ Kd8 33. Bxg4 Rxg4 34. Rg7 Rgg1 35. a4 Re7 36. Rxe7 Kxe7 37. a5 g4 38. Kd3 g3 39. fxg3 Rxg3+ 40. Kc4 Rg5 41. b4 Kd6 42. Rh2 Rg7 43. Rh6+ Kd7 44. Rh8 c6 45. Kc5 Kc7 46. Rh5 Rf7 47. c4 Rg7 48. Re5 Rh7 49. d5 cxd5 50. cxd5 Rh4 51. Re7+ Kc8 52. Kd6 Rh6+ 53. Re6 Rh8 54. Rg6 Kd8 55. Kc5 Rh4 56. Kd6 Rh8 57. Rf6 Rg8 58. Rh6 Kc8 59. Ke7 Rg7+ 60. Ke6 Kc7 61. Ke5 Rg5+ 62. Kd4 Rg4+ 63. Kc5 Kc8 64. Rh8+ Kd7 65. Rh7+ Kc8 66. Rh6 Kd7 67. Rh8 Rg6 68. Rh4 Kc7 69. Rd4 Rg5 70. Rd1 Rh5 71. Rf1 Rh6 72. Rf5 Kd7 73. d6 Rh4 74. Rd5 Rg4 75. b5 axb5 76. Kxb5 Rg6 77. Kb6 Kc8 78. Ka7 Rg1 79. d7+ Kd8 80. Kxb7 Rb1+ 81. Ka7 Rb2 82. a6 Rb1 83. Rd6 Rb2 84. Rb6 Rc2 85. Kb7 Kxd7 86. a7 Rc7+ 87. Ka6 Rc8 88. Rb8 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2009.07.29"]
[Round "8"]
[White "Wilgenhof, Otto"]
[Black "Van Eijk, Sander"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2207"]
[BlackElo "2338"]
[PlyCount "57"]
[EventDate "2009.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 d5 3. Bg2 Nbd7 4. c4 dxc4 5. Qa4 c6 6. Qxc4 e5 7. Nf3 Nb6 8. Qc3 a5 9. 0-0 Bb4 10. Qe3 e4 11. Ng5 Nbd5 12. Qb3 Qe7 13. a3 Bd6 14. Nd2 e3 15. Nc4 h6 16. Nxf7 Kxf7 17. fxe3 Be6 18. Qxb7 Kg6 19. Qxc6 Rac8 20. Qxd6 Rxc4 21. Qe5 Re8 22. Be4+ Nxe4 23. Qxe4+ Kh5 24. Rf5+ Bxf5 25. Qxf5+ Qg5 26. Qf7+ Kg4 27. Qf3+ Kh3 28. g4+ Kh4 29. Qg3# 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2009.07.28"]
[Round "7"]
[White "Van Ruitenburg, Joost"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2302"]
[BlackElo "2207"]
[PlyCount "74"]
[EventDate "2009.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bh4 g5 4. f3 gxh4 5. fxe4 c5 6. e3 Bh6 7. Nd2 Bxe3 8. d5 d6 9. Nc4 Bd4 10. c3 Bf6 11. Qh5 Nd7 12. Nf3 Nf8 13. e5 dxe5 14. Ncxe5 Ng6 15. Bb5+ Kf8 16. 0-0 Kg7 17. Rae1 Qxd5 18. Bc4 Nf4 19. Bxd5 Nxh5 20. Nxf7 Nf4 21. Bb3 Rf8 22. N7g5 Nd3 23. Re3 Nxb2 24. Bd5 Bf5 25. Nxh4 Bxg5 26. Rg3 Bd3 27. Re1 Kh6 28. Nf3 Bf6 29. Re6 Rad8 30. Bxb7 Bf5 31. Re2 Rd1+ 32. Kf2 Nd3+ 33. Ke3 Be5 34. Nxe5 Nxe5 35. Be4 Nc4+ 36. Kf4 e5+ 37. Kf3 Be6+ 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2009.07.25"]
[Round "5"]
[White "Roggeveen, Wouter"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2025"]
[BlackElo "2207"]
[PlyCount "40"]
[EventDate "2009.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. g3 Nc6 4. c3 g6 5. Bg2 Bg7 6. d3 Nge7 7. Nf3 d5 8. 0-0 0-0 9. Nbd2 b5 10. Nb3 Qb6 11. e5 c4 12. Nc5 Qxc5 13. Be3 cxd3 14. Qd2 Qc4 15. b3 Qe4 16. Nd4 Qxe5 17. Bf4 Qh5 18. Bf3 Qh3 19. Qd1 Nxd4 20. Bg4 Ne2+ 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2009.07.21"]
[Round "1"]
[White "Wilgenhof, Otto"]
[Black "Nijboer, Friso"]
[Result "0-1"]
[ECO "E99"]
[WhiteElo "2207"]
[BlackElo "2552"]
[PlyCount "114"]
[EventDate "2009.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. a4 a5 14. Nd3 b6 15. b4 axb4 16. Nxb4 Nf6 17. a5 bxa5 18. Nc6 Nxc6 19. dxc6 Qe8 20. c5 dxc5 21. Bxc5 Rf7 22. Qb3 Qxc6 23. Qb5 Qxb5 24. Bxb5 Bf8 25. Na4 Ba6 26. Rfb1 Bxb5 27. Rxb5 Bd6 28. Bxd6 cxd6 29. Rd1 Ne8 30. Rdd5 Rfa7 31. Rb2 Rc8 32. Kf2 Kf7 33. Ke2 Rc4 34. Ra2 Nc7 35. Rxd6 Nb5 36. Rd3 Nd4+ 37. Kd2 Rac7 38. Rc3 h5 39. h3 g4 40. hxg4 hxg4 41. Rxc4 Rxc4 42. Kd3 Rb4 43. fxg4 Ne6 44. Nb2 Nc5+ 45. Kc3 Nxe4+ 46. Kc2 Nd6 47. Nd3 Rb5 48. Kc3 Kf6 49. Re2 Rd5 50. g5+ Kf5 51. g6 Nb5+ 52. Kc4 Rd4+ 53. Kxb5 Rxd3 54. g7 Rg3 55. Kxa5 Rxg7 56. Kb6 e4 57. Kc5 e3 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.31"]
[Round "9"]
[White "Wilgenhof, Otto"]
[Black "Meurs, Tom WA"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2218"]
[BlackElo "2084"]
[PlyCount "15"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. cxd5 exd5 6. Bf4 Bf5 7. e3 Bd6 8. Bxd6 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.30"]
[Round "8"]
[White "Theulings, Paul Peter"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "E68"]
[WhiteElo "2148"]
[BlackElo "2218"]
[PlyCount "128"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. d4 d6 6. Nc3 Nbd7 7. 0-0 e5 8. e4 exd4 9. Nxd4 Re8 10. h3 Nc5 11. Re1 a6 12. Nb3 Nfd7 13. Be3 Bxc3 14. bxc3 Nxe4 15. Bh6 f5 16. Qd5+ Kh8 17. Qf7 Rg8 18. Bxe4 Ne5 19. Qd5 fxe4 20. Rxe4 Qf6 21. Rf4 Qe6 22. Bg5 Re8 23. Nd4 Qxd5 24. cxd5 Bxh3 25. Re1 Kg8 26. Rfe4 Bd7 27. f4 Nd3 28. Rxe8+ Rxe8 29. Rxe8+ Bxe8 30. Ne6 Bd7 31. Nxc7 Kf7 32. Na8 b5 33. Nb6 Ke8 34. Bf6 a5 35. a3 Bg4 36. c4 b4 37. axb4 axb4 38. Na4 Bd1 39. Nb2 Nxb2 40. Bxb2 Bb3 41. Kf2 Bxc4 42. Bc1 Bxd5 43. Bd2 b3 44. Bc3 Kd7 45. Ke3 Ke6 46. Kd4 h5 47. Bb2 Kf5 48. Ke3 Bc4 49. Bc3 Kg4 50. Kf2 h4 51. gxh4 Kxf4 52. Ke1 Ke3 53. Kd1 d5 54. Bb2 Be2+ 55. Kc1 Bf3 56. Ba3 d4 57. Bc5 Kd3 58. Kb2 Bd1 59. Bb6 Bc2 60. Bc5 Ke4 61. Be7 Kf3 62. Bf6 d3 63. Kc1 Ke2 64. Bb2 d2# 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.29"]
[Round "7"]
[White "Wilgenhof, Otto"]
[Black "De Saegher, Chris"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2218"]
[BlackElo "2185"]
[PlyCount "104"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bh4 c5 4. f3 g5 5. fxe4 gxh4 6. e3 Bh6 7. Kf2 cxd4 8. exd4 e5 9. Qh5 Qf6+ 10. Nf3 exd4 11. Bc4 Rg8 12. Bxf7+ Qxf7 13. Qxh6 Nc6 14. Rf1 Ne5 15. Kg1 Nxf3+ 16. Kh1 h3 17. gxf3 d5 18. exd5 Bf5 19. Re1+ Kd7 20. Nd2 Rac8 21. Rac1 Qg6 22. Qxg6 Rxg6 23. Nb3 Rc4 24. Rg1 Kd6 25. c3 dxc3 26. bxc3 Rxg1+ 27. Kxg1 Kxd5 28. Kf2 Ra4 29. Rd1+ Ke5 30. Rd2 Ra3 31. Kg3 Be6 32. Rb2 b6 33. f4+ Kf6 34. Kf3 Bd5+ 35. Ke3 Bxb3 36. axb3 Ra1 37. Rf2 Kf5 38. Kd4 Rg1 39. Ra2 a5 40. Re2 Rg2 41. Re7 h5 42. Rf7+ Kg6 43. Rb7 Rxh2 44. Rxb6+ Kf5 45. Rb5+ Kg4 46. Rg5+ Kh4 47. Rxa5 Rg2 48. Ra1 h2 49. Rh1 Kg3 50. f5 Rg1 51. Rxh2 Kxh2 52. f6 Rg8 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.28"]
[Round "6"]
[White "Ernst, Sipke"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2581"]
[BlackElo "2218"]
[PlyCount "65"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 d6 5. b3 c5 6. Bb2 Ne4 7. Nfd2 Nxd2 8. Qxd2 Nc6 9. c3 Qa5 10. d5 Ne5 11. f4 Ng4 12. h3 Nf6 13. 0-0 c4 14. b4 Qb6+ 15. Kh1 Bf5 16. g4 Be4 17. g5 Bxg2+ 18. Kxg2 Ne4 19. Qc2 f5 20. Nd2 Qe3 21. Nxe4 fxe4 22. Qa4+ Kd8 23. Rad1 h6 24. Bc1 Qxe2+ 25. Rf2 Qh5 26. Rh1 hxg5 27. fxg5 Be5 28. Be3 Qh4 29. Kf1 Qg3 30. Ke2 a5 31. bxa5 Ra6 32. Qxc4 Kd7 33. Qb5+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.26"]
[Round "5"]
[White "Wilgenhof, Otto"]
[Black "Roggeveen, Wouter"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2218"]
[BlackElo "2009"]
[PlyCount "41"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. c4 e6 4. Nc3 dxc4 5. e4 b5 6. Be2 Bb4 7. 0-0 Bb7 8. Qc2 Nd7 9. d5 e5 10. b3 Qa5 11. Bb2 cxd5 12. exd5 Ngf6 13. a3 Bd6 14. bxc4 bxc4 15. Bxc4 Rc8 16. Qb3 Nc5 17. Qb5+ Qxb5 18. Nxb5 Bb8 19. Bxe5 Nce4 20. Bxb8 Rxb8 21. Nxa7 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.25"]
[Round "4"]
[White "Wohl, Aleksandar H"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2384"]
[BlackElo "2218"]
[PlyCount "47"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Be2 Nh5 7. Be5 Bxe5 8. Nxe5 f6 9. Nd3 Ng7 10. Qd2 Qd6 11. 0-0-0 e5 12. dxe5 fxe5 13. e4 d4 14. Nb1 c5 15. Qg5 Nc6 16. Na3 Ne6 17. Qg3 0-0 18. Nc4 Qc7 19. Ncxe5 Nxe5 20. Qxe5 Qxe5 21. Nxe5 Rxf2 22. Bc4 Kg7 23. Nd3 Rxg2 24. Bxe6 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.24"]
[Round "3"]
[White "Wilgenhof, Otto"]
[Black "Ootes, Lennart"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2218"]
[BlackElo "2064"]
[PlyCount "73"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Qc2 c5 6. e4 cxd4 7. Nxd4 d6 8. Be2 Be7 9. Be3 a6 10. 0-0 Nbd7 11. f4 Qc8 12. Bf3 0-0 13. b3 Rd8 14. g4 Nf8 15. g5 N6d7 16. Qb2 Qc7 17. Nd5 exd5 18. Nf5 Nf6 19. exd5 Ne8 20. Bd4 f6 21. Rae1 Ng6 22. Bh5 Bf8 23. Qf2 Qf7 24. Bxb6 Rdb8 25. Nh4 fxg5 26. Bxg6 hxg6 27. fxg5 Qxf2+ 28. Rxf2 Bxd5 29. cxd5 Rxb6 30. Nxg6 Nc7 31. Ref1 Rbb8 32. Rf4 Nxd5 33. Rh4 Nf6 34. gxf6 gxf6 35. Rxf6 Rb5 36. Rg4 Kg7 37. Rf3 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.23"]
[Round "2"]
[White "Nijboer, Friso"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2564"]
[BlackElo "2218"]
[PlyCount "63"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. Be2 Qb6 10. Nd1 b4 11. c3 a5 12. 0-0 a4 13. Bf2 Ba6 14. Bxa6 Rxa6 15. f5 bxc3 16. bxc3 cxd4 17. fxe6 fxe6 18. cxd4 Bb4 19. Qf4 Ne7 20. Rb1 Ng6 21. Qc1 Ra8 22. Be1 Ba3 23. Rxb6 Bxc1 24. Rxe6+ Kd8 25. Rd6 Ba3 26. Rxd5 Nf4 27. Rb5 Rf8 28. Ne3 Ne2+ 29. Kh1 Bc1 30. Bh4+ Kc7 31. Re1 Bxe3 32. Rxe2 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.22"]
[Round "1"]
[White "Wilgenhof, Otto"]
[Black "Boulahfa, Hicham"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2218"]
[BlackElo "1985"]
[PlyCount "38"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. Qd2 d6 6. Nc3 g5 7. 0-0-0 Bg7 8. g3 Nc6 9. Bb5 Bd7 10. Nge2 0-0-0 11. f4 gxf4 12. gxf4 e5 13. Nd5 Qe6 14. f5 Qe8 15. Rhg1 Rh7 16. f6 Bh8 17. Bxc6 Bxc6 18. Ne7+ Kb8 19. Rg8 Qf8 1-0

[Event "Arnhem op"]
[Site "Arnhem"]
[Date "2007.09.02"]
[Round "5"]
[White "Groenewold, Jan Joris"]
[Black "Wilgenhof, Otto"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "2110"]
[BlackElo "2230"]
[PlyCount "104"]
[EventDate "2007.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 e5 7. d5 Nbd7 8. Bg5 h6 9. Be3 a6 10. g4 Nc5 11. Nd2 c6 12. b4 cxd5 13. cxd5 Ncd7 14. Nc4 Ne8 15. Qd2 Qh4 16. 0-0-0 f5 17. gxf5 gxf5 18. exf5 b5 19. Na5 Qxb4 20. Nc6 Qa3+ 21. Qb2 Qxb2+ 22. Kxb2 Ndf6 23. a4 Rf7 24. axb5 axb5 25. Bxb5 Bxf5 26. Ra1 Rxa1 27. Rxa1 Nc7 28. Bc4 Bxh3 29. Ra7 Nfe8 30. Nd8 Re7 31. Nc6 Rd7 32. Ne4 Bf5 33. f3 h5 34. Bg5 Bxe4 35. fxe4 Bf6 36. Be3 Rg7 37. Bb6 h4 38. Bf1 Kh7 39. Bh3 Kh6 40. Bf5 Bg5 41. Kc2 Bf4 42. Nd8 Nb5 43. Rxg7 Nxg7 44. Bh3 Bg5 45. Ne6 Nxe6 46. Bxe6 Na3+ 47. Kd3 Bc1 48. Ke2 Nc4 49. Bd8 Bg5 50. Bc7 Nd2 51. Bxd6 Nxe4 52. Bxe5 Bf6 1/2-1/2

[Event "Arnhem op"]
[Site "Arnhem"]
[Date "2007.09.01"]
[Round "2"]
[White "Wilgenhof, Otto"]
[Black "Lambrechts, Koen"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2230"]
[PlyCount "71"]
[EventDate "2007.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bh4 f5 4. f3 Nf6 5. e4 fxe4 6. fxe4 d6 7. Nc3 Bg4 8. Be2 Qd7 9. e5 dxe5 10. dxe5 Qxd1+ 11. Rxd1 Bxe2 12. Kxe2 Nfd7 13. Nf3 Nc6 14. Nd5 0-0-0 15. Ng5 Ndxe5 16. Ne6 Rd6 17. Ndxc7 Kd7 18. Rhf1 g6 19. Rxd6+ exd6 20. Bf6 Rg8 21. Bxe5 Nxe5 22. Rxf8 Rxf8 23. Nxf8+ Kxc7 24. Nxh7 Kc6 25. Nf6 Kc5 26. h4 Nc4 27. g4 Kd4 28. h5 gxh5 29. gxh5 Ke5 30. Ne8 Nb6 31. h6 Nd5 32. h7 Nf4+ 33. Kf3 Ng6 34. Kg4 Ke6 35. Kg5 Nh8 36. Nc7+ 1-0

[Event "Arnhem op"]
[Site "Arnhem"]
[Date "2007.09.01"]
[Round "3"]
[White "Wilgenhof, Otto"]
[Black "Van der Velden, A."]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2230"]
[PlyCount "87"]
[EventDate "2007.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c5 3. d5 Qb6 4. Bc1 d6 5. g3 g6 6. Bg2 Bg7 7. Nf3 0-0 8. 0-0 e6 9. c4 exd5 10. cxd5 a6 11. Nc3 Nbd7 12. a4 Rb8 13. e4 Qc7 14. a5 b5 15. axb6 Rxb6 16. Re1 Re8 17. Bf1 c4 18. Ra4 Nc5 19. Rxc4 Bg4 20. b4 Bxf3 21. Qxf3 Nfd7 22. bxc5 Ne5 23. Qe2 Rb3 24. Na4 Nf3+ 25. Kg2 Nxe1+ 26. Qxe1 Qd7 27. c6 Qc7 28. Rb4 Rxb4 29. Qxb4 Rb8 30. Qc4 a5 31. Bd2 Bf6 32. Qa6 Bd8 33. Bc3 Rb3 34. Qc4 Rb8 35. f4 Rc8 36. e5 Be7 37. exd6 Qxd6 38. Bxa5 Ra8 39. c7 Rc8 40. Nc3 Qa3 41. Qa2 Qd6 42. Ne4 Qd7 43. Qc4 Bd6 44. Nf6+ 1-0

[Event "Arnhem Bieze op 14th"]
[Site "Arnhem"]
[Date "2006.01.07"]
[Round "5"]
[White "Dambacher, Martijn"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "2401"]
[BlackElo "2221"]
[PlyCount "19"]
[EventDate "2006.01.07"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 0-0 6. Be3 e5 7. d5 Nh5 8. Qd2 Qh4+ 9. Kd1 a6 10. Bg5 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2003.07.31"]
[Round "9"]
[White "Van Lanen, Toon"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2149"]
[BlackElo "2247"]
[PlyCount "145"]
[EventDate "2003.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Qb6 9. g3 Bb4+ 10. Kf2 f6 11. Kg2 g5 12. exf6 g4 13. f7+ Kxf7 14. Ne5+ Ndxe5 15. dxe5 h5 16. h3 Bd7 17. Bd3 Ne7 18. a3 Bc5 19. Ne2 gxh3+ 20. Rxh3 Rag8 21. b4 Be3 22. Qb3 Bc6 23. Bxe3 d4+ 24. Kh2 dxe3 25. f5 Bd5 26. Bc4 Bxc4 27. Qxc4 Nxf5 28. Rf1 Ke7 29. Nf4 h4 30. gxh4 Nxh4 31. Qe4 Qc6 32. Qxc6 bxc6 33. Kh1 Kd7 34. Rd1+ Kc8 35. Rc1 Kb7 36. Nxe6 e2 37. Nc5+ Kb6 38. Nd3 Nf3 39. Rxh8 e1Q+ 40. Rxe1 Rxh8+ 41. Kg2 Nxe1+ 42. Nxe1 Kb5 43. Kg3 Rf8 44. Nd3 Ka4 45. Kg4 Kxa3 46. e6 Ka4 47. Kg5 Kb5 48. e7 Re8 49. Kf6 Kc4 50. Ne5+ Kd5 51. Ng6 c5 52. Kf7 Rb8 53. Nf4+ Kd6 54. bxc5+ Kd7 55. Ne6 Rc8 56. c6+ Kd6 57. c7 Kd7 58. Nd8 Kxc7 59. e8Q Rxd8 60. Qa4 Kb7 61. Ke7 Rc8 62. Qb5+ Kc7 63. Qa6 Kb8 64. Qb5+ Kc7 65. Ke6 Rg8 66. Qc4+ Kb6 67. Qb3+ Kc7 68. Qc3+ Kb7 69. Kd7 Rg6 70. Qc7+ Ka6 71. Qc4+ Kb6 72. Qd4+ Ka5 73. Qa1+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2003.07.30"]
[Round "8"]
[White "Wilgenhof, Otto"]
[Black "Heltzel, Joost"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2247"]
[BlackElo "2078"]
[PlyCount "121"]
[EventDate "2003.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Nc3 c6 5. Qb3 Qb6 6. c5 Qc7 7. Bf4 Qc8 8. e3 Nd7 9. Be2 Ngf6 10. h3 b6 11. Na4 bxc5 12. dxc5 Be4 13. 0-0 Bxf3 14. Bxf3 Nxc5 15. Nxc5 Bxc5 16. Rfc1 Nd7 17. Rc2 Be7 18. Qc3 Bf6 19. Qxc6 Qxc6 20. Rxc6 Bxb2 21. Rb1 Be5 22. Rb7 a5 23. Be2 Bxf4 24. exf4 Nf6 25. Ra6 0-0 26. Raa7 Ne4 27. Rxf7 Rxa7 28. Rxa7 Rxf4 29. Bg4 Nc5 30. Rxa5 Rc4 31. Ra7 Kf8 32. Kf1 g6 33. Rxh7 Rc1+ 34. Ke2 Rc2+ 35. Ke3 e5 36. Ra7 d4+ 37. Kf3 e4+ 38. Kg3 d3 39. a4 g5 40. a5 Ra2 41. Bh5 d2 42. Rf7+ Kg8 43. Rf5 Ra3+ 44. Kh2 Nd3 45. Rxg5+ Kh8 46. Rd5 Ra1 47. Kg3 Kg7 48. Bg4 Kf6 49. h4 d1Q 50. Bxd1 Rxd1 51. Rd4 Ke5 52. Ra4 Nc5 53. Ra2 Rd6 54. h5 Kf5 55. Kh4 Kf4 56. Ra3 Rd3 57. Ra1 Nb3 58. g3+ Kf3 59. Ra2 Nc1 60. Ra4 Rd8 61. a6 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2003.07.29"]
[Round "7"]
[White "Van Tol, Leon J"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2165"]
[BlackElo "2247"]
[PlyCount "73"]
[EventDate "2003.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. e4 e5 6. Nge2 Be6 7. d3 Qd7 8. h3 Nc6 9. Nd5 Ne7 10. Bg5 Nfg8 11. Qd2 c6 12. Nxe7 Nxe7 13. Nc3 0-0-0 14. Be3 Kb8 15. Na4 Nc8 16. b4 f5 17. Rc1 Qf7 18. b5 cxb5 19. cxb5 d5 20. exf5 gxf5 21. d4 f4 22. gxf4 exd4 23. Bxd4 Bxd4 24. Qxd4 Qg6 25. Bf3 Bf5 26. Kd2 Nd6 27. Rhe1 Nxb5 28. Qb4 Qd6 29. Nc5 a6 30. a4 d4 31. Re5 Bd7 32. axb5 Bxb5 33. Bxb7 Qh6 34. Nxa6+ Ka7 35. Qc5+ Kxb7 36. Qxb5+ Ka8 37. Nc7+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2003.07.28"]
[Round "6"]
[White "Wilgenhof, Otto"]
[Black "Pool, Wim"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2247"]
[BlackElo "2132"]
[PlyCount "99"]
[EventDate "2003.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 b6 3. Bxf6 exf6 4. Nf3 Bb7 5. e3 Be7 6. c4 0-0 7. Nc3 d5 8. cxd5 Bxd5 9. Nxd5 Qxd5 10. a3 Nd7 11. Bd3 Bd6 12. Qc2 Qh5 13. Be4 Rae8 14. Bc6 Re7 15. h3 f5 16. 0-0-0 Nf6 17. g4 fxg4 18. hxg4 Qg6 19. g5 Qxc2+ 20. Kxc2 Ne4 21. Rdf1 g6 22. Rh4 f5 23. gxf6 Nxf6 24. e4 Nd7 25. e5 Bxe5 26. dxe5 Nxe5 27. Bd5+ Kh8 28. Nd2 c6 29. Be4 Kg7 30. Rfh1 h5 31. f3 c5 32. Rg1 Kf6 33. Rf4+ Kg7 34. Rxf8 Kxf8 35. f4 Ng4 36. Bxg6 Rg7 37. f5 Ne3+ 38. Kc1 Nxf5 39. Nf3 Nd6 40. Bxh5 Rxg1+ 41. Nxg1 Ke7 42. Nf3 Ke6 43. Kc2 Kd5 44. Bg6 b5 45. Kd3 a5 46. Nd2 a4 47. Be4+ Nxe4 48. Nxe4 c4+ 49. Ke3 Ke5 50. Nc3 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2003.07.26"]
[Round "5"]
[White "Spoelman, Wouter"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "2169"]
[BlackElo "2247"]
[PlyCount "47"]
[EventDate "2003.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. Qd2 Nc6 10. 0-0-0 cxd4 11. Nxd4 f6 12. Nxe6 Qxe6 13. Nxd5 0-0 14. Bc4 Kh8 15. Nb6 Nxb6 16. Bxe6 Bxe6 17. Qd6 Bg4 18. Rde1 fxe5 19. fxe5 Rac8 20. e6 Nc4 21. Qc5 N6e5 22. e7 Rfe8 23. Rhf1 Nd7 24. Qxc8 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2003.07.25"]
[Round "4"]
[White "Wilgenhof, Otto"]
[Black "Bosboom, Manuel"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2247"]
[BlackElo "2440"]
[PlyCount "108"]
[EventDate "2003.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. Nc3 d6 6. Qd2 c6 7. f4 e5 8. fxe5 dxe5 9. dxe5 Qxe5 10. 0-0-0 Qg5 11. Qxg5 hxg5 12. Nf3 g4 13. Ne5 Rh5 14. Nc4 Be6 15. Be2 Nd7 16. h3 Rc5 17. Ne3 gxh3 18. gxh3 g6 19. Bg4 Bh6 20. Rde1 f5 21. exf5 gxf5 22. Kb1 0-0-0 23. Ned1 Re5 24. Bf3 Bd2 25. Re2 Rxe2 26. Bxe2 Ne5 27. h4 f4 28. Nf2 Bxc3 29. bxc3 Rd2 30. Re1 f3 31. Bd3 Rxf2 32. Rxe5 Kd7 33. Re3 c5 34. Kc1 Kd6 35. Be4 Bg4 36. Bxb7 Rf1+ 37. Kb2 f2 38. Ba6 Re1 39. Rg3 Rg1 40. Rd3+ Kc6 41. Rd2 f1Q 42. Bxf1 Rxf1 43. Rh2 Bh5 44. a3 Kb5 45. Kb3 Bf7+ 46. Kb2 Bh5 47. Kb3 Rf4 48. Ka2 Kc4 49. Kb2 Re4 50. Rh1 Re2 51. Rf1 Bg6 52. Rf4+ Be4 53. Kc1 Rxc2+ 54. Kd1 Ra2 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2003.07.24"]
[Round "3"]
[White "Mostertman, Loek G"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2104"]
[BlackElo "2247"]
[PlyCount "80"]
[EventDate "2003.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. c3 Bg7 4. Bc4 Nf6 5. f3 0-0 6. Bb3 e5 7. Ne2 c5 8. d5 Nh5 9. Be3 f5 10. Nd2 Nf4 11. 0-0 Nxe2+ 12. Qxe2 f4 13. Bf2 g5 14. h3 h5 15. Rfb1 g4 16. hxg4 hxg4 17. Kf1 g3 18. Bg1 Qh4 19. Nc4 Rf6 20. Ke1 Rh6 21. Kd2 b5 22. Nxd6 Rxd6 23. Bxc5 Bf8 24. Rh1 Qd8 25. a4 Nd7 26. Bxd6 Bxd6 27. Rh6 Nf6 28. Rah1 Kg7 29. Rh8 Qb6 30. axb5 a6 31. Bc4 axb5 32. Rxc8 Rxc8 33. Bxb5 Rc5 34. c4 Qa5+ 35. Kd3 Rxb5 36. cxb5 Qxb5+ 37. Kd2 Qxb2+ 38. Kd3 Qb3+ 39. Kd2 Qa2+ 40. Kd3 Qa6+ 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2003.07.23"]
[Round "2"]
[White "Wilgenhof, Otto"]
[Black "Smeets, Jan"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2247"]
[BlackElo "2477"]
[PlyCount "84"]
[EventDate "2003.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. dxc5 Qxc5 7. e4 e5 8. b4 Qc7 9. Be3 d6 10. c4 a5 11. bxa5 Qxa5+ 12. Qd2 Be7 13. Qxa5 Rxa5 14. Nc3 Be6 15. Rb1 Nbd7 16. Rxb7 0-0 17. Bd3 Rc8 18. Nge2 Kf8 19. Kd2 Bxc4 20. Bxc4 Rxc4 21. Ra7 Bd8 22. Rb1 Rxa7 23. Bxa7 Ke7 24. Rb5 Rc6 25. a4 Ra6 26. Rb7 Ke6 27. Kc2 Ra5 28. Kb3 d5 29. exd5+ Nxd5 30. Nxd5 Rxd5 31. Rb5 Rd2 32. Nc3 Rxg2 33. a5 Bxa5 34. Rxa5 Rxh2 35. Ne4 h5 36. Ra6+ Kf5 37. Be3 h4 38. Nd6+ Kg6 39. Ra7 Re2 40. Bc1 h3 41. Bb2 Re1 42. Ne4 Nc5+ 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2003.07.22"]
[Round "1"]
[White "Sminia, Jelmer"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "C13"]
[BlackElo "2247"]
[PlyCount "124"]
[EventDate "2003.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. c3 b6 8. Be2 f5 9. Nd2 Bb7 10. Bf3 Bxf3 11. Qxf3 c6 12. Ne2 Qd5 13. Nf4 Qxf3 14. Nxf3 Nd7 15. 0-0-0 Rg8 16. g3 Nf6 17. Nd3 b5 18. Kb1 a5 19. Rhe1 Ne4 20. Nfe5 Rc8 21. Re2 h5 22. Nf4 h4 23. f3 Nf6 24. gxh4 Nd5 25. Nxd5 cxd5 26. h5 Rh8 27. Rg1 Bf6 28. Nd3 Kd7 29. Nc5+ Ke7 30. Nd3 Kd6 31. Nc5 b4 32. Kc2 Rxh5 33. Rd1 Rb8 34. Na6 Rg8 35. Nc5 Rh3 36. Rd3 bxc3 37. bxc3 Rb8 38. a4 Bg5 39. f4 Rxd3 40. Nxd3 Bf6 41. Rg2 Rh8 42. Nc5 Kc6 43. Nb3 Bd8 44. Nc5 Bc7 45. Nd3 Kd7 46. Kd2 Rh4 47. Ke3 Ke7 48. Rf2 Rg4 49. Nc1 Rg1 50. Ne2 Ra1 51. Ng3 Kf6 52. Rg2 Rxa4 53. Nh5+ Ke7 54. Kd3 Ra1 55. Rf2 a4 56. Re2 a3 57. h3 a2 58. Ke3 Ba5 59. Ng3 Bxc3 60. Nxf5+ exf5 61. Kd3+ Kf6 62. Kxc3 Rc1+ 0-1

[Event "OSKA op-A"]
[Site "Netherlands"]
[Date "2003.07.09"]
[Round "5"]
[White "Wustefeld, Emile"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "2244"]
[BlackElo "2199"]
[PlyCount "75"]
[EventDate "2003.09.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 c5 8. Nb5 0-0 9. Nc7 Nxe5 10. Nxa8 Ng6 11. Qd2 Nc6 12. Nf3 cxd4 13. 0-0-0 Qd6 14. g3 Bd7 15. Nxd4 Rxa8 16. Bg2 Nge7 17. Kb1 a5 18. c4 Nxd4 19. Qxd4 Bc6 20. cxd5 exd5 21. Rhe1 Rd8 22. Qe5 Qxe5 23. Rxe5 Kf8 24. Kc2 f6 25. Ree1 Ke8 26. Kd3 Kf7 27. Bh3 Rd6 28. Kd4 b6 29. Rc1 g6 30. b3 h5 31. a4 g5 32. fxg5 fxg5 33. Rf1+ Ke8 34. Ke5 Rd8 35. Be6 Ng6+ 36. Kf6 Rd6 37. Kxg6 Rxe6+ 38. Rf6 1-0

[Event "CFriend AC-2003-Q-00007 email"]
[Site "Chessfriend.com"]
[Date "2003.07.01"]
[Round "?"]
[White "Davies, William"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1800"]
[BlackElo "2247"]
[PlyCount "60"]
[EventDate "2003.07.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. d4 dxe4 4. Nc3 Nf6 5. Be2 Be7 6. f3 exf3 7. Bxf3 c5 8. Nge2 Nc6 9. 0-0 Nxd4 10. Nxd4 cxd4 11. Ne2 e5 12. c3 e4 13. Bxe4 Nxe4 14. Nxd4 0-0 15. Kh1 Bg5 16. Qc2 Bxc1 17. Raxc1 Qh4 18. Nf3 Qe7 19. Rce1 f5 20. Nd2 Bd7 21. Nxe4 fxe4 22. b4 Rxf1+ 23. Rxf1 Rf8 24. Re1 e3 25. a4 e2 26. h3 Rf1+ 27. Rxf1 exf1Q+ 28. Kh2 Qe5+ 29. g3 Qxh3+ 30. Kg1 Qe1# 0-1

[Event "CFriend AC-2003-Q-00007 email"]
[Site "Chessfriend.com"]
[Date "2003.07.01"]
[Round "?"]
[White "Finkel, Alexander"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "C14"]
[WhiteElo "2479"]
[BlackElo "2247"]
[PlyCount "14"]
[EventDate "2003.07.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 0-1

[Event "CFriend AC-2003-Q-00007 email"]
[Site "Chessfriend.com"]
[Date "2003.07.01"]
[Round "?"]
[White "Haeusler, Werner"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "2364"]
[BlackElo "2247"]
[PlyCount "31"]
[EventDate "2003.07.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Bc4 Rg8 8. Nf3 f5 9. Ng3 f4 10. Ne4 Rxg2 11. Qd2 c5 12. 0-0-0 cxd4 13. Rhg1 Rg6 14. Ne5 Nc6 15. Bb5 Qd5 16. Qxf4 1-0

[Event "CFriend AC-2003-Q-00007 email"]
[Site "Chessfriend.com"]
[Date "2003.07.01"]
[Round "?"]
[White "Lichtenberg, Hans Juergen"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "2134"]
[BlackElo "2247"]
[PlyCount "35"]
[EventDate "2003.07.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 f5 8. Nc3 c6 9. Qd2 Nd7 10. 0-0-0 Rg8 11. Kb1 Qc7 12. g3 b6 13. Bg2 Bb7 14. Ne5 Nxe5 15. dxe5 Rd8 16. Qe2 Rd7 17. f4 Kd8 18. Qh5 1-0

[Event "CFriend AC-2003-Q-00007 email"]
[Site "Chessfriend.com"]
[Date "2003.07.01"]
[Round "?"]
[White "Schoonhoven, Jan Willem"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2646"]
[BlackElo "2247"]
[PlyCount "41"]
[EventDate "2003.07.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Ngf3 Nc6 7. Bd3 Be7 8. 0-0 g5 9. dxc5 Ndxe5 10. Bb5 Bd7 11. c4 Nxf3+ 12. Nxf3 dxc4 13. Qe2 g4 14. Ne5 Nxe5 15. Qxe5 Rg8 16. Rd1 Bxb5 17. Rxd8+ Rxd8 18. Be3 Bc6 19. Qc3 Bd5 20. b3 cxb3 21. axb3 1-0

[Event "CFriend AC-2003-Q-00007 email"]
[Site "Chessfriend.com"]
[Date "2003.07.01"]
[Round "?"]
[White "Wilgenhof, Otto"]
[Black "Bertorello, Juan Manuel"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2247"]
[BlackElo "2517"]
[PlyCount "21"]
[EventDate "2003.07.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 c6 10. Nxe5 Re8 11. 0-0-0 1-0

[Event "CFriend AC-2003-Q-00007 email"]
[Site "Chessfriend.com"]
[Date "2003.07.01"]
[Round "?"]
[White "Wilgenhof, Otto"]
[Black "Frignani, Giorgio"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2247"]
[BlackElo "1686"]
[PlyCount "28"]
[EventDate "2003.07.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. Nc3 a6 6. Qd2 b5 7. e5 Qd8 8. f4 d5 9. Nf3 c5 10. dxc5 Bxc5 11. f5 Qb6 12. fxe6 fxe6 13. Qf4 Bf2+ 14. Kd1 Nc6 0-1

[Event "CFriend AC-2003-Q-00007 email"]
[Site "Chessfriend.com"]
[Date "2003.07.01"]
[Round "?"]
[White "Wilgenhof, Otto"]
[Black "Jimenez, Joaquin Rodrigo"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2247"]
[BlackElo "1997"]
[PlyCount "30"]
[EventDate "2003.07.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. f3 Nf6 5. Nc3 e6 6. e4 Be7 7. Qd2 0-0 8. 0-0-0 a6 9. g4 b5 10. g5 Ne8 11. h4 b4 12. Na4 Nd7 13. c4 bxc3 14. Qxc3 Nb6 15. Nc5 Rb8 0-1

[Event "CFriend AC-2003-Q-00007 email"]
[Site "Chessfriend.com"]
[Date "2003.07.01"]
[Round "?"]
[White "Wilgenhof, Otto"]
[Black "Lutzenberger, Reimund"]
[Result "0-1"]
[ECO "E99"]
[WhiteElo "2247"]
[BlackElo "2396"]
[PlyCount "36"]
[EventDate "2003.07.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. a4 a5 14. Nd3 b6 15. b4 axb4 16. Nxb4 Nf6 17. Nb5 g4 18. Bh4 g3 0-1

[Event "CFriend AC-2003-Q-00007 email"]
[Site "Chessfriend.com"]
[Date "2003.07.01"]
[Round "?"]
[White "Wilgenhof, Otto"]
[Black "Steenbekkers, Franck"]
[Result "0-1"]
[ECO "D97"]
[WhiteElo "2247"]
[BlackElo "2198"]
[PlyCount "32"]
[EventDate "2003.07.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 a6 8. Bf4 b5 9. Qxc7 Qxc7 10. Bxc7 Bb7 11. e5 Nd5 12. Nxd5 Bxd5 13. Be2 Rc8 14. Bb6 Rc2 15. b3 Nc6 16. Bd1 Rc3 0-1

[Event "CFriend AM-2003-0-00006 email"]
[Site "Chessfriend.com"]
[Date "2003.06.09"]
[Round "?"]
[White "Benko, Bostjan"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2329"]
[BlackElo "2247"]
[PlyCount "35"]
[EventDate "2003.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 a6 5. Nf3 b5 6. Bd3 Bb7 7. e5 Nd7 8. e6 fxe6 9. Ng5 Nf8 10. 0-0 Nf6 11. a4 b4 12. Ne2 h6 13. Nh3 e5 14. dxe5 Ng4 15. e6 Qc8 16. Nef4 Nxe3 17. fxe3 Bxb2 18. Rb1 1-0

[Event "CFriend AM-2003-0-00006 email"]
[Site "Chessfriend.com"]
[Date "2003.06.09"]
[Round "?"]
[White "Gildred, Terrence L Nick"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2040"]
[BlackElo "2247"]
[PlyCount "61"]
[EventDate "2003.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 Qc7 12. Bg5 0-0 13. Rc1 h6 14. Bd2 Bd7 15. Re1 Rac8 16. Nc3 a6 17. Na4 Rce8 18. Ne5 Qb8 19. Bc3 b5 20. Nc5 Nxe5 21. Nxa6 Nf3+ 22. gxf3 Qd8 23. Bb4 Bxb4 24. Nxb4 Nh5 25. Kh1 Nf4 26. Rg1 Nh3 27. Rg2 Qh4 28. Rc7 Re7 29. Qe1 Rxf3 30. Rxd7 Nxf2+ 31. Rxf2 1-0

[Event "CFriend AM-2003-0-00006 email"]
[Site "Chessfriend.com"]
[Date "2003.06.09"]
[Round "?"]
[White "Hase, Michael"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2516"]
[BlackElo "2247"]
[PlyCount "41"]
[EventDate "2003.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 0-0 6. Bg2 Nbd7 7. 0-0 e5 8. e4 exd4 9. Nxd4 Nc5 10. h3 Re8 11. Re1 Bd7 12. Rb1 a6 13. b4 Ne6 14. Be3 Rb8 15. Qd2 b5 16. cxb5 axb5 17. Nb3 Bc6 18. Bh6 Bh8 19. Rbc1 Nd7 20. Be3 Ne5 21. Na5 1-0

[Event "CFriend AM-2003-0-00006 email"]
[Site "Chessfriend.com"]
[Date "2003.06.09"]
[Round "?"]
[White "Nikel, Bogdan"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "2200"]
[BlackElo "2247"]
[PlyCount "39"]
[EventDate "2003.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. dxc5 Nc6 10. Qd2 Qxc5 11. 0-0-0 Nb6 12. h4 Bd7 13. h5 h6 14. Rh3 0-0-0 15. Rg3 Rhg8 16. Nd4 f6 17. Nxc6 Bxc6 18. Ne2 fxe5 19. fxe5 Kb8 20. Nf4 1-0

[Event "CFriend AM-2003-0-00006 email"]
[Site "Chessfriend.com"]
[Date "2003.06.09"]
[Round "?"]
[White "Riemer, Wolfgang"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "E89"]
[WhiteElo "2224"]
[BlackElo "2247"]
[PlyCount "55"]
[EventDate "2003.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Nge2 c6 7. Be3 e5 8. Qd2 Nbd7 9. d5 cxd5 10. cxd5 a6 11. 0-0-0 b5 12. b3 Nb6 13. Kb2 b4 14. Nb1 a5 15. h4 Bd7 16. h5 Nxh5 17. g4 Nf4 18. Nxf4 exf4+ 19. Bd4 Bxd4+ 20. Qxd4 f6 21. Rd2 Rf7 22. Rdh2 Be8 23. g5 fxg5 24. Bh3 Bd7 25. Be6 Bxe6 26. dxe6 Rg7 27. Rd2 Rb8 28. Qxd6 1-0

[Event "CFriend AM-2003-0-00006 email"]
[Site "Chessfriend.com"]
[Date "2003.06.09"]
[Round "1"]
[White "Solodovnichenko, Yuri"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "2430"]
[BlackElo "2247"]
[PlyCount "33"]
[EventDate "2003.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. Qd2 Nc6 10. dxc5 Qxc5 11. Bd3 b5 12. a3 f6 13. exf6 Nxf6 14. Ne2 0-0 15. Nfd4 Nxd4 16. Nxd4 Bd7 17. c3 1-0

[Event "CFriend AM-2003-0-00006 email"]
[Site "Chessfriend.com"]
[Date "2003.06.09"]
[Round "1"]
[White "Wilgenhof, Otto"]
[Black "Borkovec, Milan"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2247"]
[BlackElo "2210"]
[PlyCount "36"]
[EventDate "2003.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. Nd2 Bf5 5. e3 e6 6. Bd3 Bd6 7. Bxe4 Bxe4 8. Nxe4 dxe4 9. Ne2 0-0 10. 0-0 Nc6 11. Bxd6 Qxd6 12. Ng3 f5 13. f3 exf3 14. Qxf3 f4 15. Ne4 Qd5 16. c3 fxe3 17. Qxe3 e5 18. dxe5 Qxe5 1/2-1/2

[Event "CFriend AM-2003-0-00006 email"]
[Site "Chessfriend.com"]
[Date "2003.06.09"]
[Round "?"]
[White "Wilgenhof, Otto"]
[Black "Butunoi, Alexandru Victor"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2247"]
[BlackElo "2403"]
[PlyCount "44"]
[EventDate "2003.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. c4 d6 4. Nc3 c5 5. e4 Qa5 6. dxc5 Bxc3+ 7. bxc3 dxc5 8. Qc2 Nf6 9. Rb1 Qc7 10. h3 Nc6 11. Bd3 0-0 12. 0-0 Rd8 13. Re1 Nh5 14. Be3 b6 15. Bf1 Ba6 16. g3 Na5 17. Nd2 Rd7 18. Kh2 Rad8 19. Rbd1 e5 20. g4 Nf4 21. Bxf4 exf4 22. Nf3 Bxc4 0-1

[Event "OSKA op-A"]
[Site "Netherlands"]
[Date "2003.06.09"]
[Round "4"]
[White "Wilgenhof, Otto"]
[Black "Dambacher, Martijn"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2199"]
[BlackElo "2387"]
[PlyCount "93"]
[EventDate "2003.09.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 e6 2. e4 c5 3. d5 Nf6 4. Nc3 d6 5. Nf3 a6 6. a4 exd5 7. exd5 Be7 8. Bd3 Bg4 9. h3 Bh5 10. 0-0 0-0 11. Re1 Re8 12. Bf5 Nbd7 13. Bf4 Qb6 14. a5 Qc7 15. g4 Bg6 16. Bxg6 hxg6 17. g5 Nh5 18. Bh2 f6 19. Qd3 Nf8 20. Nh4 Qd7 21. Nxg6 fxg5 22. Nxf8 Rxf8 23. Qe2 Qxh3 24. Qe6+ Qxe6 25. Rxe6 Rae8 26. Rxe7 Rxe7 27. Bxd6 Rd7 28. Bxf8 Kxf8 29. Rd1 Nf4 30. Na4 Rxd5 31. Rxd5 Nxd5 32. Nxc5 Ke7 33. Nxb7 Nb4 34. c3 Nd3 35. b4 Kd7 36. Kf1 Kc6 37. Nd8+ Kd5 38. b5 Nc5 39. Nb7 axb5 40. Nxc5 Kxc5 41. Ke2 Kc6 42. Kd3 Kb7 43. c4 Ka6 44. cxb5+ Kxb5 45. Ke4 Kxa5 46. Kf5 Kb5 47. Kxg5 1/2-1/2

[Event "CFriend AM-2003-0-00006 email"]
[Site "Chessfriend.com"]
[Date "2003.06.09"]
[Round "1"]
[White "Wilgenhof, Otto"]
[Black "Davies, Nigel Rodney"]
[Result "1/2-1/2"]
[ECO "D58"]
[WhiteElo "2247"]
[BlackElo "2483"]
[PlyCount "52"]
[EventDate "2003.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 0-0 7. e3 b6 8. Qb3 Bb7 9. Bxf6 Bxf6 10. cxd5 exd5 11. Bd3 c5 12. dxc5 Nd7 13. c6 Bxc6 14. 0-0 Nc5 15. Qd1 Ne4 16. Rc1 Rc8 17. Nd4 Bb7 18. Nce2 Qd7 19. b4 a6 20. a4 Rxc1 21. Qxc1 Rc8 22. Qd1 Qe7 23. b5 a5 24. Qa1 Qb4 25. Rb1 Qd2 26. Rd1 Qb4 1/2-1/2

[Event "CFriend AM-2003-0-00006 email"]
[Site "Chessfriend.com"]
[Date "2003.06.09"]
[Round "1"]
[White "Wilgenhof, Otto"]
[Black "Fridman, Daniel"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2247"]
[BlackElo "2621"]
[PlyCount "26"]
[EventDate "2003.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. Nc3 d5 9. 0-0 Nbd7 10. Bf4 Rc8 11. Qd3 0-0 12. Rfc1 dxc4 13. bxc4 Nd5 0-1

[Event "CFriend AM-2003-0-00006 email"]
[Site "Chessfriend.com"]
[Date "2003.06.09"]
[Round "1"]
[White "Wilgenhof, Otto"]
[Black "Haeusler, Werner"]
[Result "0-1"]
[ECO "E18"]
[WhiteElo "2247"]
[BlackElo "2364"]
[PlyCount "44"]
[EventDate "2003.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb4+ 5. Bd2 Be7 6. Nc3 Bb7 7. Bg2 c6 8. 0-0 d5 9. Bf4 Nbd7 10. cxd5 exd5 11. Rc1 0-0 12. Ne5 Nxe5 13. Bxe5 Qd7 14. Qd3 Rfd8 15. Rfd1 Rac8 16. h3 Qe6 17. a3 c5 18. Bf4 Ne4 19. Nxe4 dxe4 20. Qb1 c4 21. Rc3 b5 22. b3 g5 0-1

[Event "CFriend AM-2003-0-00006 email"]
[Site "Chessfriend.com"]
[Date "2003.06.09"]
[Round "1"]
[White "Wilgenhof, Otto"]
[Black "Sikorsky, Reinhard"]
[Result "1-0"]
[ECO "E99"]
[WhiteElo "2247"]
[BlackElo "2227"]
[PlyCount "31"]
[EventDate "2003.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. a4 a5 14. Nd3 b6 15. Be1 Nc5 16. Nb5 1-0

[Event "CFriend AT-2003-0-00011 email"]
[Site "Chessfriend.com"]
[Date "2003.05.19"]
[Round "1"]
[White "Benko, Bostjan"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2329"]
[BlackElo "2247"]
[PlyCount "49"]
[EventDate "2003.??.??"]
[EventType "match (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 Qc7 12. Bg5 0-0 13. Bh4 e5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. Bg3 Bxg3 17. Nxg3 Bg4 18. Qb3 Rac8 19. Ne4 Be6 20. Ng5 Bf7 21. Bf5 Rce8 22. Rae1 Rxe1 23. Rxe1 Qf4 24. Nxf7 Qxf5 25. Ne5 1-0

[Event "CFriend AT-2003-0-00011 email"]
[Site "Chessfriend.com"]
[Date "2003.05.19"]
[Round "?"]
[White "Wilgenhof, Otto"]
[Black "Benko, Bostjan"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2247"]
[BlackElo "2329"]
[PlyCount "44"]
[EventDate "2003.??.??"]
[EventType "match (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Na6 8. Be3 Ng4 9. Bg5 Qe8 10. dxe5 dxe5 11. h3 f6 12. Bd2 Nh6 13. Nb5 Nf7 14. b4 c6 15. Na3 f5 16. Bd3 fxe4 17. Bxe4 Bf5 18. Bxf5 gxf5 19. Bc3 Rd8 20. Qc2 e4 21. Bxg7 Kxg7 22. Qc3+ Kg8 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2002.07.18"]
[Round "9"]
[White "Van der Weide, Karel"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2403"]
[BlackElo "2257"]
[PlyCount "79"]
[EventDate "2002.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 cxd4 8. Qxg7 Rg8 9. Qxh7 dxc3 10. f4 Nbc6 11. Nf3 Qb6 12. Ng5 Nd8 13. h4 Bd7 14. Rh3 Rc8 15. h5 Ba4 16. Qd3 Rc4 17. Qe3 Rc5 18. Qd4 Bxc2 19. Rxc3 Rxc3 20. Qxc3 Qc6 21. Qb4 a6 22. a4 Qc7 23. Ba3 Ndc6 24. Qc3 Bf5 25. Rc1 Rh8 26. Be2 d4 27. Qc5 f6 28. Qxe7+ Qxe7 29. Bxe7 Kxe7 30. exf6+ Kxf6 31. g4 Bh7 32. Bf3 Nb4 33. Rc7 Nd3+ 34. Kd2 Nxf4 35. Nxh7+ Ke5 36. Ng5 Rg8 37. Nf7+ Kf6 38. g5+ Kf5 39. Rc5+ Nd5 40. Bxd5 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2002.07.17"]
[Round "8"]
[White "Wilgenhof, Otto"]
[Black "Dogge, Marc"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2257"]
[PlyCount "195"]
[EventDate "2002.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. Bg5 c5 4. c3 cxd4 5. cxd4 Qb6 6. Qc2 Nc6 7. Bxf6 gxf6 8. e3 d5 9. Nc3 Bd7 10. a3 Rc8 11. Bd3 Bb4 12. 0-0 Bxc3 13. bxc3 Na5 14. Nd2 f5 15. Rfc1 Bb5 16. Rab1 Bxd3 17. Qxd3 Qc6 18. Qb5 Qxb5 19. Rxb5 b6 20. Kf1 Kd7 21. Ke2 Rc6 22. Nf3 f6 23. Nd2 Rhc8 24. Kd3 Kd6 25. f3 Nc4 26. Nxc4+ Rxc4 27. Rb4 e5 28. Rxc4 Rxc4 29. f4 e4+ 30. Kc2 Rc8 31. Kb3 b5 32. Ra1 a5 33. a4 Kc6 34. Rb1 Rb8 35. Kc2 Rb6 36. axb5+ Rxb5 37. Rg1 a4 38. Ra1 Ra5 39. c4 dxc4 40. Kc3 Kd5 41. Kb4 Ra8 42. Ra3 Rb8+ 43. Kxa4 Rb2 44. g3 h6 45. Ka5 Rb3 46. Ka4 Rxe3 47. Rxe3 Kxd4 48. Re1 Kd3 49. Rd1+ Kc2 50. Rd6 c3 51. Rxf6 Kb2 52. Rb6+ Ka2 53. Rc6 Kb2 54. g4 e3 55. gxf5 c2 56. f6 e2 57. f7 e1Q 58. f8Q Qa1+ 59. Kb5 Qf1+ 60. Ka5 c1Q 61. Qf6+ Kb3 62. Rxc1 Qxc1 63. Qb6+ Ka3 64. Qxh6 Qc7+ 65. Kb5 Qd7+ 66. Kc5 Qc8+ 67. Kd4 Qd7+ 68. Ke3 Qe7+ 69. Kf3 Qb7+ 70. Kg3 Qb3+ 71. Kh4 Qf3 72. Qg5 Ka2 73. h3 Qf2+ 74. Kh5 Qe2+ 75. Qg4 Qe8+ 76. Qg6 Qe2+ 77. Kh6 Qe3 78. Qf5 Qg3 79. Qe6+ Ka3 80. Qe7+ Ka2 81. Qe2+ Ka3 82. Qg4 Qe3 83. h4 Qd4 84. Qf3+ Ka2 85. Qa8+ Kb1 86. Qb7+ Ka2 87. Qf7+ Ka3 88. h5 Qg1 89. Kh7 Qg3 90. f5 Qd3 91. h6 Ka4 92. Kg7 Qg3+ 93. Kh8 Qb8+ 94. Kh7 Qg3 95. f6 Qd3+ 96. Qg6 Qd6 97. f7 Qf8 98. Qg7 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2002.07.16"]
[Round "7"]
[White "Jens, Jelmer"]
[Black "Wilgenhof, Otto"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2369"]
[BlackElo "2257"]
[PlyCount "47"]
[EventDate "2002.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. h4 Qa5 8. Bd2 Qa4 9. Qb1 Bd7 10. Qxb7 Bc6 11. Qb2 Nd7 12. Nf3 Rb8 13. Qc1 Bb5 14. h5 Bxf1 15. Kxf1 Nf5 16. Rh3 cxd4 17. cxd4 Nxd4 18. Nxd4 Qxd4 19. Bc3 Qg4 20. Bb4 Rc8 21. Qe3 d4 22. Qd3 Nxe5 23. Qa6 Rc7 24. Qd6 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2002.07.15"]
[Round "6"]
[White "Brandenburg, Daan"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "C06"]
[BlackElo "2257"]
[PlyCount "84"]
[EventDate "2002.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 0-0 12. Bf4 Bxf4 13. Nxf4 Ne4 14. Ne2 Rxf3 15. gxf3 Ng5 16. f4 Nh3+ 17. Kh1 Qh4 18. Qd2 e5 19. fxe5 Nxf2+ 20. Kg1 Nh3+ 21. Kg2 Ng5 22. Qf4 Bg4 23. Ng3 Nxd4 24. Nf5 Qh3+ 25. Kg1 Bxf5 26. Bxf5 Ne2+ 27. Kh1 Nxf4 28. Bxh3 Ngxh3 29. Rac1 Ne6 30. Rc3 Nhf4 31. Rb3 Rb8 32. h4 Kf7 33. Rbf3 Rd8 34. Rxf4+ Nxf4 35. Rxf4+ Ke6 36. Kg2 Rd7 37. Kf3 Rf7 38. Rxf7 Kxf7 39. Ke3 Ke6 40. Kd4 g6 41. b4 h6 42. a4 g5 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2002.07.13"]
[Round "5"]
[White "Wilgenhof, Otto"]
[Black "Smeets, Jan"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2257"]
[BlackElo "2392"]
[PlyCount "92"]
[EventDate "2002.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 c5 3. e3 Qb6 4. b3 Nc6 5. Nf3 h6 6. Bf4 g5 7. Bg3 cxd4 8. exd4 g4 9. Ne5 Qxd4 10. Qxd4 Nxd4 11. Nc3 e6 12. Bb5+ Ke7 13. Bh4+ f6 14. Bd3 Bd7 15. Ne2 Nxe2 16. Kxe2 Bg7 17. Ng6+ Kd6 18. c4 d4 19. Nxh8 Bxh8 20. f3 e5 21. Be4 Rb8 22. b4 f5 23. c5+ Kc7 24. Bd3 Re8 25. Rae1 gxf3+ 26. gxf3 e4 27. fxe4 fxe4 28. Bc4 Ne7 29. Bf7 Rf8 30. Bxe7 Rxf7 31. Bd6+ Kc6 32. Ref1 Bf6 33. Be7 Bg4+ 34. Ke1 Bf3 35. Bxf6 Rxf6 36. Rhg1 Kd5 37. Rg7 e3 38. Rxb7 d3 39. Rd7+ Ke4 40. b5 d2+ 41. Rxd2 exd2+ 42. Kxd2 Rf5 43. Rc1 Kd4 44. c6 Rh5 45. Rf1 Rxh2+ 46. Kc1 Rh1 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2002.07.12"]
[Round "4"]
[White "Wilgenhof, Otto"]
[Black "Van Tol, Leon J"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2257"]
[PlyCount "63"]
[EventDate "2002.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. g3 c5 4. Bg2 Nc6 5. c4 dxc4 6. Qa4 Bd7 7. Qxc4 cxd4 8. Nxd4 Rc8 9. 0-0 Qb6 10. Nxc6 Bxc6 11. Be3 Bc5 12. Bxc5 Bxg2 13. Rc1 Bd5 14. Qa4+ Qc6 15. Qxc6+ Rxc6 16. Nd2 Nf6 17. Bxa7 Kd7 18. Rxc6 Bxc6 19. Nc4 Kc7 20. Bb6+ Kb8 21. Ne5 Be8 22. Rd1 Nd5 23. Bd4 f6 24. e4 Ne7 25. Bc5 Nc8 26. Nd7+ Kc7 27. Nf8 Kc6 28. Nxe6 Bf7 29. Nd8+ Kxc5 30. Nxf7 Rf8 31. Nd8 Re8 32. Rc1+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2002.07.11"]
[Round "3"]
[White "Naalden, Marc"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2121"]
[BlackElo "2257"]
[PlyCount "86"]
[EventDate "2002.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d6 5. e4 0-0 6. c3 h6 7. Bh4 Nbd7 8. Be2 Nh5 9. 0-0 Nf4 10. Re1 Nxe2+ 11. Rxe2 g5 12. Bg3 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Bxe5 dxe5 16. Nf1 Qxd1 17. Rxd1 Be6 18. b3 Rfd8 19. Red2 Rxd2 20. Rxd2 a5 21. Ne3 Kf8 22. Nd5 Rd8 23. Rd1 Bxd5 24. exd5 c6 25. c4 cxd5 26. cxd5 Ke7 27. Kf1 Kd6 28. Ke2 Rc8 29. Rd3 f5 30. Rh3 Rh8 31. Rd3 e4 32. Rc3 f4 33. Rc4 Re8 34. b4 a4 35. Rc5 e3 36. f3 Re5 37. Rb5 Rxd5 38. Rxb7 Rd2+ 39. Kf1 Rf2+ 40. Kg1 Rxa2 41. Kf1 Rf2+ 42. Kg1 Rb2 43. Kf1 a3 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2002.07.10"]
[Round "2"]
[White "Wilgenhof, Otto"]
[Black "Spoelman, Wouter"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2257"]
[PlyCount "64"]
[EventDate "2002.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. d5 Qb6 5. Nd2 Nxd2 6. Bxd2 Qxb2 7. e4 g6 8. Rb1 Qe5 9. Bd3 Bg7 10. Ne2 Qc7 11. Nc3 a6 12. d6 Qxd6 13. Nd5 b5 14. Ba5 Nc6 15. Bc7 Qe6 16. Bb6 0-0 17. Nc7 Qd6 18. Nxa8 Bc3+ 19. Kf1 Nd4 20. Bc7 Qc6 21. Nb6 e6 22. a4 Qxc7 23. Nxc8 Qxc8 24. axb5 axb5 25. g3 Qc6 26. f3 c4 27. Be2 Ra8 28. Kg2 Ra2 29. Rc1 b4 30. Rf1 b3 31. Rf2 bxc2 32. Qf1 d5 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2002.07.09"]
[Round "1"]
[White "Velema, Sander"]
[Black "Wilgenhof, Otto"]
[Result "1/2-1/2"]
[ECO "C12"]
[BlackElo "2257"]
[PlyCount "94"]
[EventDate "2002.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd3 dxe4 5. Bxe4 Nf6 6. Bg5 h6 7. Bxf6 Qxf6 8. Nf3 c5 9. a3 cxd4 10. Nxd4 Bxc3+ 11. bxc3 0-0 12. Rb1 Nc6 13. Nxc6 bxc6 14. Qf3 Qe5 15. 0-0 Ba6 16. Rfd1 Rab8 17. Qe3 Qc7 18. Qc5 Be2 19. Re1 Rfd8 20. g3 Rxb1 21. Rxb1 f5 22. Bg2 Rd2 23. Qxc6 Qxc6 24. Bxc6 Rxc2 25. Rb8+ Kf7 26. Rb7+ Kf6 27. f4 e5 28. fxe5+ Kxe5 29. Rxg7 a6 30. Ba4 Rc1+ 31. Kf2 Bc4 32. Re7+ Kf6 33. Re1 Rxc3 34. Ra1 a5 35. Bd1 Bb5 36. Rb1 Bc6 37. Rb6 Ke5 38. Ra6 Rc5 39. Ke3 Bb7 40. Rb6 Bc8 41. Bb3 Bd7 42. Kd3 Bb5+ 43. Kd2 Bc6 44. Kd3 Be4+ 45. Kd2 h5 46. Re6+ Kd4 47. Rd6+ Ke5 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2000.07.27"]
[Round "9"]
[White "Wilgenhof, Otto"]
[Black "Van den Bersselaar, Jeroen"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2262"]
[BlackElo "2065"]
[PlyCount "126"]
[EventDate "2000.07.18"]
[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 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. 0-0 h6 6. c4 c6 7. Qb3 Qb6 8. Nc3 Nbd7 9. Na4 Qxb3 10. axb3 Bc2 11. Nd2 Bb4 12. Nc3 0-0 13. e3 a5 14. Bf3 Rfe8 15. Bd1 Bd3 16. Be2 Bc2 17. f4 Ne4 18. Ncxe4 dxe4 19. c5 b6 20. cxb6 Nxb6 21. Nc4 Nd5 22. Ne5 Bxb3 23. Nxc6 Rec8 24. Bb5 Nc7 25. Ba4 Bxa4 26. Rxa4 Nd5 27. Nxb4 axb4 28. Rxa8 Rxa8 29. Bd2 Rc8 30. Rc1 Rxc1+ 31. Bxc1 b3 32. Bd2 Nb6 33. Kf2 Na4 34. Bc1 Kf8 35. g4 g6 36. f5 Ke7 37. fxg6 fxg6 38. g5 hxg5 39. Kg3 Kf6 40. Kg4 Nb6 41. Bd2 Nc4 42. Bc1 Nd6 43. Bd2 Nf5 44. h3 Nh6+ 45. Kg3 Kf5 46. Bb4 Ng8 47. Be1 Nf6 48. Bd2 Nh5+ 49. Kg2 g4 50. Kh2 gxh3 51. Kxh3 Nf6 52. Kg3 Nd5 53. Kh4 Nb6 54. Kh3 Kg5 55. Kg3 Nd5 56. Kh3 Kh5 57. Kg3 g5 58. Kh3 Nb6 59. Kg3 Nc4 60. Bc1 g4 61. Kf4 Kh4 62. Kxe4 g3 63. Kf3 Kh3 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2000.07.26"]
[Round "8"]
[White "Schipper, Henk G"]
[Black "Wilgenhof, Otto"]
[Result "1/2-1/2"]
[ECO "E62"]
[BlackElo "2262"]
[PlyCount "81"]
[EventDate "2000.07.18"]
[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. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 d6 5. 0-0 c6 6. d4 0-0 7. Nc3 Qa5 8. h3 e5 9. e4 exd4 10. Nxd4 Qc5 11. Nb3 Qxc4 12. Qxd6 Na6 13. Bg5 Nd7 14. Rac1 h6 15. Be3 Ne5 16. Nd5 Qb5 17. Nd4 Qa5 18. b4 Qd8 19. Ne7+ Kh7 20. Qxd8 Rxd8 21. Nxc8 Nxb4 22. Nxa7 Ned3 23. Rc4 Rxa7 24. Nxc6 Nxc6 25. Rxc6 bxc6 26. Bxa7 Ra8 27. Be3 Rxa2 28. Rd1 Ra3 29. Bf1 Ne5 30. Kg2 Ra4 31. Bd4 Bf6 32. Be2 Ra2 33. Bxe5 Bxe5 34. Bc4 Ra7 35. f4 Bc3 36. Rd3 Ba1 37. Rd1 Kg7 38. e5 c5 39. e6 fxe6 40. Bxe6 Bd4 41. Rb1 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2000.07.25"]
[Round "7"]
[White "Wilgenhof, Otto"]
[Black "Compagnie, Luc G"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2262"]
[BlackElo "2421"]
[PlyCount "82"]
[EventDate "2000.07.18"]
[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. Bg5 e6 3. Nd2 c5 4. Ne4 Qa5+ 5. Bd2 Qb6 6. dxc5 Bxc5 7. Nxc5 Qxc5 8. c3 b6 9. Bf4 Nd5 10. Bg3 Nxc3 11. Qc2 Nd5 12. Qxc5 bxc5 13. Rc1 Na6 14. Bd6 Bb7 15. e4 Nf6 16. f3 Kd8 17. Nh3 Ne8 18. Bxa6 Nxd6 19. Bd3 Rc8 20. e5 Ne8 21. Ng5 Ke7 22. Nxh7 f6 23. Bg6 fxe5 24. 0-0 Nf6 25. Ng5 Rhf8 26. Rce1 d6 27. f4 Nd7 28. f5 exf5 29. Bxf5 Rb8 30. Re3 g6 31. Bc2 Rxf1+ 32. Kxf1 Ba6+ 33. Kg1 d5 34. b3 Rb6 35. Rh3 Nf8 36. Nh7 e4 37. Nxf8 Kxf8 38. Rh8+ Kg7 39. Re8 Rf6 40. h4 Rf1+ 41. Kh2 Bd3 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2000.07.24"]
[Round "6"]
[White "Bhuiyan, Abul Kashem"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "C17"]
[WhiteElo "2080"]
[BlackElo "2262"]
[PlyCount "78"]
[EventDate "2000.07.18"]
[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. Nc3 Bb4 4. e5 Ne7 5. Nf3 c5 6. Bd2 0-0 7. Bd3 f6 8. a3 Bxc3 9. Bxc3 c4 10. Be2 Ng6 11. h4 fxe5 12. dxe5 Nc6 13. h5 Nf4 14. Bf1 Rf5 15. g3 Rxh5 16. Rxh5 Nxh5 17. Qd2 Qf8 18. Bg2 b5 19. Qe3 a5 20. Qb6 Bd7 21. Qe3 g6 22. Ke2 b4 23. Bd4 Ng7 24. Qd2 c3 25. bxc3 bxa3 26. Qc1 Qf5 27. Rxa3 Nxd4+ 28. cxd4 Bb5+ 29. Kd1 Rc8 30. Qd2 a4 31. Ne1 Rb8 32. Kc1 Qf8 33. Rf3 Nf5 34. g4 a3 35. gxf5 a2 36. Kb2 Bc4+ 37. Rb3 Bxb3 38. cxb3 Qa3+ 39. Ka1 Qxb3 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2000.07.22"]
[Round "5"]
[White "Wilgenhof, Otto"]
[Black "Krul, Rene"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2262"]
[PlyCount "78"]
[EventDate "2000.07.18"]
[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 d5 2. Bg5 h6 3. Bh4 c5 4. dxc5 Qa5+ 5. Nc3 g5 6. Qd4 Nf6 7. b4 Qd8 8. Bg3 Nc6 9. Qd2 Nxb4 10. Rb1 Nc6 11. Nb5 e5 12. Nf3 Bxc5 13. Nxe5 Ne4 14. Qd3 Bf5 15. Nxc6 bxc6 16. Nc7+ Ke7 17. Rb7 Kf6 18. f3 Nxg3 19. Qc3+ Kg6 20. hxg3 Bd6 21. Qxc6 Rc8 22. g4 Be6 23. e3 Rxc7 24. Bd3+ Kf6 25. Rxc7 Qxc7 26. Qa4 Qc3+ 27. Ke2 Bb4 28. Rb1 a5 29. Rd1 h5 30. gxh5 Rxh5 31. Qe8 g4 32. f4 Kg7 33. Kf2 Qf6 34. Rg1 g3+ 35. Kf3 Qh4 36. f5 Bxf5 37. Qe5+ Qf6 38. Qxg3+ Rg5 39. Qf4 Bd6 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2000.07.21"]
[Round "4"]
[White "Veerman, Johan"]
[Black "Wilgenhof, Otto"]
[Result "1/2-1/2"]
[ECO "A56"]
[WhiteElo "2168"]
[BlackElo "2262"]
[PlyCount "127"]
[EventDate "2000.07.18"]
[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 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. g3 0-0 7. Bg2 Ne8 8. Nge2 Bg5 9. f4 exf4 10. gxf4 Bh4+ 11. Ng3 f5 12. exf5 a6 13. 0-0 b5 14. Nce4 h6 15. b3 Nd7 16. Qh5 bxc4 17. Bb2 Bf6 18. Nxf6+ Ndxf6 19. Qf3 cxb3 20. Qxb3 Bd7 21. Rab1 Rb8 22. Qc2 Ng4 23. Qe2 Qh4 24. h3 Qxg3 25. hxg4 Rb4 26. Rbe1 h5 27. gxh5 Bxf5 28. Rf3 Qh4 29. Bc3 Re4 30. Re3 Rxe3 31. Qxe3 Qxh5 32. Qe7 Qg4 33. Qg5 Qxg5 34. fxg5 Kf7 35. Ba5 Kg6 36. Bd8 c4 37. Rc1 Bd3 38. Bh3 Rh8 39. Be6 Nf6 40. gxf6 Rxd8 41. f7 Kf6 42. Kf2 g6 43. Ke3 Bf5 44. Bxf5 gxf5 45. Rxc4 Ke5 46. Rc7 Rf8 47. Ra7 Kxd5 48. Re7 Kc5 49. Kf4 d5 50. Kxf5 d4 51. Ke6 d3 52. Re8 Rxf7 53. Kxf7 Kb4 54. Rd8 Kc3 55. Ke6 d2 56. a4 a5 57. Ke5 Kc2 58. Ke4 d1Q 59. Rxd1 Kxd1 60. Kd4 Kd2 61. Kc5 Kd3 62. Kb5 Kd4 63. Kxa5 Kc5 64. Ka6 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2000.07.20"]
[Round "3"]
[White "Wilgenhof, Otto"]
[Black "Muhren, Willem"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2262"]
[PlyCount "84"]
[EventDate "2000.07.18"]
[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 d5 2. Bg5 h6 3. Bh4 c5 4. c3 Qb6 5. Qc2 cxd4 6. cxd4 Nc6 7. e3 e5 8. Nf3 exd4 9. exd4 Bg4 10. Nc3 Bxf3 11. gxf3 Qxd4 12. Bg3 Bb4 13. Bd3 Nge7 14. 0-0-0 Qf6 15. Qb3 Rc8 16. Kb1 Bxc3 17. Qxc3 Qxc3 18. bxc3 0-0 19. Rhe1 Rfd8 20. Re2 Kf8 21. Rde1 a6 22. Bf4 d4 23. c4 Nb4 24. Bh7 Ng6 25. Bd2 Nd3 26. h4 Rxc4 27. Rd1 Nc5 28. h5 Ne7 29. Rde1 Nc6 30. Rg1 Rd6 31. Bf5 Ne6 32. f4 Rc5 33. Bd3 Nc7 34. f5 Ne8 35. Rge1 Nf6 36. Bc1 Rc3 37. Be4 Rd7 38. Bb2 Rc4 39. Ba3+ Kg8 40. Rd2 Ra4 41. Kb2 Ra5 42. Bg2 Rxf5 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2000.07.19"]
[Round "2"]
[White "Verholt, Gerard"]
[Black "Wilgenhof, Otto"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "2117"]
[BlackElo "2262"]
[PlyCount "42"]
[EventDate "2000.07.18"]
[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 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 0-0 7. Nf3 Ne8 8. 0-0 g6 9. Bh6 Ng7 10. Qd2 f5 11. Bg5 f4 12. Bxe7 Qxe7 13. h3 Nd7 14. Nh2 Nf6 15. Ng4 Nxg4 16. hxg4 Qg5 17. f3 h5 18. Nb5 Ne8 19. b4 a6 20. Nxd6 Nxd6 21. bxc5 hxg4 0-1

