[Event "SBO-ch"]
[Site "Deventer"]
[Date "1997.??.??"]
[Round "8"]
[White "Bril, K."]
[Black "Visser, Bert Steffen"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "48"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bg5 Be7 6. Bxf6 Bxf6 7. Nf3 c5 8. c3 cxd4 9. cxd4 Nc6 10. Bxc6+ bxc6 11. 0-0 Qb6 12. Qc2 0-0 13. Rd1 Rb8 14. b3 Rd8 15. Na3 Ba6 16. Rac1 Qa5 17. Qb2 c5 18. Nc4 Bxc4 19. Rxc4 cxd4 20. Nxd4 e5 21. Rdc1 exd4 22. Rc5 Qb4 23. a3 Qxb3 24. Rc8 Qxb2 0-1

[Event "SBO-ch"]
[Site "Deventer"]
[Date "1997.??.??"]
[Round "6"]
[White "Dondergoor, Evertjan"]
[Black "Visser, Bert Steffen"]
[Result "1-0"]
[ECO "E42"]
[PlyCount "67"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 c5 5. Nge2 cxd4 6. exd4 d5 7. c5 Nc6 8. Bf4 Ne4 9. a3 Bxc3+ 10. Nxc3 Qf6 11. Be3 Qg6 12. Nxe4 Qxe4 13. Qd2 e5 14. Bd3 Qxg2 15. 0-0-0 e4 16. Rhg1 Qf3 17. Be2 Qf6 18. Bg5 Qe6 19. Bf4 g6 20. Bd6 Bd7 21. b4 Ne7 22. Bg4 f5 23. Be2 Ba4 24. Rde1 Qd7 25. Qg5 Rf8 26. f3 Rf7 27. fxe4 fxe4 28. Bxe7 Rxe7 29. Bg4 Qc6 30. Rgf1 Re6 31. Bxe6 Qxe6 32. Rf6 Qh3 33. Qe5+ Kd7 34. Qd6+ 1-0

[Event "SBO-ch"]
[Site "Deventer"]
[Date "1997.??.??"]
[Round "5"]
[White "Van Essen, Mark"]
[Black "Visser, Bert Steffen"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "96"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. b3 c5 3. Bb2 Nc6 4. Nf3 d6 5. d4 cxd4 6. Nxd4 e5 7. Nf3 Nf6 8. Qe2 Be7 9. h3 Qa5+ 10. Nfd2 Be6 11. c4 Nd7 12. Nc3 Nd4 13. Qd1 f5 14. a3 0-0 15. Nd5 Bxd5 16. exd5 Qb6 17. Rb1 Bg5 18. b4 Rae8 19. Nb3 Nxb3 20. Qxb3 Nc5 21. Qc2 Ne4 22. Bd3 Bd2+ 23. Kd1 Bh6 24. Rf1 Nd2 25. c5 Qc7 26. Re1 Nxb1 27. Qxb1 dxc5 28. bxc5 Qxc5 29. Bxe5 Qxd5 30. Qb5 Rd8 31. Ke2 Qxb5 32. Bxb5 a6 33. Ba4 b5 34. Bb3+ Kh8 35. Kf1 Rd3 36. Bc2 Rd2 37. Bb3 a5 38. f4 b4 39. axb4 axb4 40. Be6 Rfd8 41. Bxf5 Rd1 42. Be6 Rxe1+ 43. Kxe1 Bxf4 44. Bxf4 Re8 45. Kd2 Rxe6 46. Kc2 Re2+ 47. Kb3 Rxg2 48. Kxb4 Rf2 0-1

[Event "SBO-ch"]
[Site "Deventer"]
[Date "1997.??.??"]
[Round "7"]
[White "Visser, Bert Steffen"]
[Black "Bremer, F."]
[Result "1/2-1/2"]
[ECO "D46"]
[PlyCount "39"]
[EventDate "1997.??.??"]
[EventType "team"]
[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. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. cxd5 exd5 7. Bd3 Bb4 8. 0-0 0-0 9. a3 Bxc3 10. bxc3 Re8 11. c4 dxc4 12. Bxc4 Nb6 13. Bd3 Bg4 14. h3 Bh5 15. Bb2 Nbd5 16. Qc2 Bxf3 17. gxf3 g6 18. f4 Qd7 19. Kh2 Qd6 20. Rg1 1/2-1/2

[Event "SBO-ch"]
[Site "Deventer"]
[Date "1997.??.??"]
[Round "4"]
[White "Visser, Bert Steffen"]
[Black "Hampsink, Johnny"]
[Result "1/2-1/2"]
[ECO "E62"]
[PlyCount "67"]
[EventDate "1997.??.??"]
[EventType "team"]
[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 g6 3. g3 c6 4. Bg2 Bg7 5. Nf3 d6 6. Nc3 0-0 7. 0-0 Qc7 8. e4 e5 9. d5 Nbd7 10. Be3 Nb6 11. Nd2 Ng4 12. Qe2 f5 13. f3 Nxe3 14. Qxe3 f4 15. Qd3 Nd7 16. g4 Nf6 17. h3 Qe7 18. Rfd1 Bd7 19. dxc6 bxc6 20. Nb3 Ne8 21. c5 Rf6 22. cxd6 Rxd6 23. Qa6 Be6 24. Rxd6 Qxd6 25. Rd1 Qc7 26. Nc5 Bc8 27. Qd3 Bf8 28. N3a4 Nd6 29. Qb3+ Qf7 30. Bf1 Qxb3 31. Nxb3 Rb8 32. Nac5 Kg7 33. Ba6 Bxa6 34. Nxa6 1/2-1/2

[Event "SBO-ch"]
[Site "Deventer"]
[Date "1997.??.??"]
[Round "9"]
[White "Visser, Bert Steffen"]
[Black "Langendijk, AJH"]
[Result "1-0"]
[ECO "A52"]
[PlyCount "89"]
[EventDate "1997.??.??"]
[EventType "team"]
[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 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Bf4 Bb4+ 6. Nbd2 Qe7 7. a3 Ngxe5 8. Nxe5 Nxe5 9. Bxe5 Bxd2+ 10. Qxd2 Qxe5 11. e3 d6 12. Be2 0-0 13. Qd4 Qxd4 14. exd4 Re8 15. f3 Bf5 16. Kd2 c5 17. Bd3 Bxd3 18. Kxd3 cxd4 19. Rhe1 Kf8 20. Kxd4 Rxe1 21. Rxe1 Re8 22. Rxe8+ Kxe8 23. Kd5 Kd7 24. f4 f5 25. h3 g6 26. g3 a5 27. b4 axb4 28. axb4 b6 29. c5 dxc5 30. bxc5 b5 31. c6+ Kc7 32. Kc5 b4 33. Kxb4 Kxc6 34. Kc4 Kd6 35. Kd4 Ke6 36. Kc5 h6 37. h4 h5 38. Kc6 Ke7 39. Kc7 Ke6 40. Kd8 Kd5 41. Ke7 Ke4 42. Kf6 Kf3 43. Kxg6 Kxg3 44. Kg5 Kf3 45. Kxf5 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "4"]
[White "De Boer, Sanne"]
[Black "Visser, Bert Steffen"]
[Result "1-0"]
[ECO "C19"]
[PlyCount "132"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. a4 Qa5 8. Bd2 Nbc6 9. Nf3 Qc7 10. Bd3 c4 11. Be2 Bd7 12. Ng5 h6 13. Nh3 0-0-0 14. Nf4 f6 15. exf6 gxf6 16. Nh5 Ng8 17. 0-0 Be8 18. Nf4 Bf7 19. Bg4 f5 20. Bf3 Nf6 21. Nh3 Ne7 22. Bf4 Qc6 23. Be5 Neg8 24. Rb1 Rh7 25. Rb5 b6 26. Qb1 Ne8 27. a5 Nd6 28. Rb4 Kb7 29. Qa2 Ne7 30. axb6 axb6 31. Ra1 Nec8 32. Bxd6 Rxd6 33. Rxc4 dxc4 34. Bxc6+ Rxc6 35. Nf4 Kc7 36. Re1 Bg8 37. d5 exd5 38. Re8 Re7 39. Rxe7+ Nxe7 40. Qa7+ Kd6 41. Qa8 Kd7 42. Qb7+ Ke8 43. Kf1 Be6 44. Ng6 Bd7 45. Ne5 Bc8 46. Qa8 Re6 47. f4 Kd8 48. g3 Kc7 49. Kf2 Nc6 50. Nxc6 Rxc6 51. Qa3 Rd6 52. h3 Bd7 53. Qa7+ Kc6 54. Qa8+ Kc7 55. Qg8 b5 56. g4 d4 57. cxd4 Rxd4 58. Ke3 Re4+ 59. Kf3 Bc6 60. Kg3 Re3+ 61. Kh4 Bg2 62. Qg7+ Kc6 63. Qxh6+ Kb7 64. Qg7+ Ka6 65. Qf6+ Kb7 66. Qxf5 Rxh3+ 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "6"]
[White "Meijer, Dolf"]
[Black "Visser, Bert Steffen"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "45"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. 0-0 Nxd4 9. Ng5 Ne7 10. Be3 Qxb2 11. Nxf7 Qxa1 12. Nxh8 Ndf5 13. Qh5+ Kd8 14. Qf7 Kc7 15. Bxf5 exf5 16. Rc1+ Bc6 17. Nc3 Qb2 18. Nxd5+ Kd7 19. Nxe7 Qxc1+ 20. Bxc1 Bxe7 21. Ba3 Rxh8 22. Qxe7+ Kc8 23. Bd6 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "8"]
[White "Staffeldt, Sven"]
[Black "Visser, Bert Steffen"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "110"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d6 3. e3 Nf6 4. c4 Be7 5. Nf3 0-0 6. Be2 b6 7. 0-0 Bb7 8. Qc2 Nbd7 9. d4 exd4 10. exd4 Be4 11. Qb3 c5 12. dxc5 dxc5 13. b5 Qc7 14. Nbd2 Bb7 15. Bd3 Rfe8 16. Rfe1 Bd6 17. Qc3 Bf8 18. Qc2 g6 19. Ne4 Bg7 20. Rad1 Nxe4 21. Bxe4 Bxe4 22. Rxe4 Bxb2 23. Rxe8+ Rxe8 24. Qxb2 Ne5 25. Nxe5 Qxe5 26. Qxe5 Rxe5 27. f3 Re2 28. a4 Ra2 29. a5 Rxa5 30. Rd2 Ra3 31. Rc2 Kf8 32. Kf2 Rd3 33. Ke2 Rd4 34. g3 Kg7 35. h3 Kf6 36. Rc3 Ke5 37. Re3+ Kf6 38. Rc3 Ke6 39. Re3+ Kd6 40. Rd3 Rxd3 41. Kxd3 f5 42. Ke3 Ke5 43. f4+ Kd6 44. g4 Kc7 45. gxf5 gxf5 46. Kf3 Kb7 47. Kg3 a5 48. bxa6+ Kxa6 49. Kh4 b5 50. cxb5+ Kxb5 51. Kg5 c4 52. Kxf5 c3 53. Ke6 c2 54. f5 c1Q 55. f6 Qe3+ 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "2"]
[White "Van Essen, Mark"]
[Black "Visser, Bert Steffen"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "73"]
[EventDate "1994.??.??"]
[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 d5 2. Nf3 c6 3. c3 Nf6 4. Bg5 Nbd7 5. Nbd2 h6 6. Bf4 e6 7. h3 Be7 8. e3 0-0 9. Bd3 c5 10. Nh2 Qb6 11. Rb1 Re8 12. Ng4 cxd4 13. cxd4 Bb4 14. a3 Bxd2+ 15. Qxd2 Nxg4 16. hxg4 e5 17. dxe5 Nxe5 18. g5 d4 19. e4 Nxd3+ 20. Qxd3 Qa5+ 21. b4 Qf5 22. g3 Rxe4+ 23. Kd2 hxg5 24. f3 Re8 25. Qf1 gxf4 26. g4 Qe5 27. Qh3 Qe3+ 28. Kd1 Qe2+ 29. Kc1 Qc4+ 30. Kd1 Qd3+ 31. Kc1 Qxa3+ 32. Kd1 Qd3+ 33. Kc1 Qe3+ 34. Kd1 Qd3+ 35. Kc1 Qc3+ 36. Kd1 Qd3+ 37. Kc1 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "9"]
[White "Visser, Bert Steffen"]
[Black "De Ridder, Susanne"]
[Result "1-0"]
[ECO "E12"]
[PlyCount "103"]
[EventDate "1994.??.??"]
[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 d5 4. Bg5 Be7 5. Nf3 0-0 6. e3 b6 7. Bd3 Bb7 8. 0-0 c5 9. cxd5 cxd4 10. Nxd4 Nxd5 11. Bxe7 Qxe7 12. Nxd5 Bxd5 13. Qc2 g6 14. Be4 Bxe4 15. Qxe4 Nd7 16. Nb3 Nf6 17. Qe5 Rac8 18. Rac1 Nd7 19. Qb5 Rfd8 20. h3 Nf6 21. Qa6 Rc7 22. Nd4 Qd7 23. Nb5 Rxc1 24. Rxc1 Nd5 25. Nxa7 Ra8 26. Rc8+ Rxc8 27. Qxc8+ Qxc8 28. Nxc8 b5 29. Nd6 Nc7 30. Ne4 Kg7 31. Kf1 f5 32. Nc3 Kf6 33. Ke2 Ke5 34. Kd3 h6 35. a3 g5 36. f3 Kd6 37. g4 Ke5 38. Ne2 Nd5 39. Nd4 Nc7 40. b3 fxg4 41. hxg4 Kd5 42. Ne2 Ke5 43. Nc3 Kd6 44. Ke4 Kc5 45. Ke5 b4 46. Ne4+ Kb5 47. Nd6+ Kc5 48. axb4+ Kxb4 49. Nf7 Kxb3 50. Nxh6 Kc4 51. Nf7 Kd3 52. e4 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "5"]
[White "Visser, Bert Steffen"]
[Black "Ewering, Andre"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "75"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. Nf3 Be7 10. Be2 0-0 11. 0-0 Rc8 12. Rc1 Re8 13. d5 Nb8 14. Nd4 Bg6 15. Ndb5 N8d7 16. Nxa7 Ra8 17. Nab5 Nxe5 18. dxe6 fxe6 19. Qxd8 Rexd8 20. Nxc7 Nbxc4 21. Bf4 Ra5 22. Nxe6 Rd6 23. Bxc4 Nxc4 24. Bxd6 Bxd6 25. Nf4 b6 26. Nxg6 hxg6 27. Ne4 Bc5+ 28. Nxc5 Rxc5 29. b3 Nd6 30. Rxc5 bxc5 31. Rc1 Ne4 32. Rc4 Nd6 33. Rxc5 Kf7 34. a4 Ke6 35. Rc6 Kd7 36. Rxd6+ Kxd6 37. b4 Kc6 38. Kf2 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "7"]
[White "Visser, Bert Steffen"]
[Black "Strijbos, Egbert"]
[Result "1/2-1/2"]
[ECO "C54"]
[PlyCount "63"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Qb3 Nce7 11. 0-0 0-0 12. Rfe1 c6 13. a4 Nf5 14. Bxd5 Qxd5 15. Qxd5 cxd5 16. Nb3 b6 17. a5 Be6 18. Ng5 Rae8 19. axb6 axb6 20. g3 Bc8 21. Nf3 Nd6 22. Nbd2 f6 23. Nf1 Bb7 24. Ne3 Rd8 25. b3 Rc8 26. Rec1 Ra8 27. Kg2 Nb5 28. Ra4 Rfc8 29. Rxc8+ Rxc8 30. Rb4 Bc6 31. g4 Rd8 32. Kg3 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "3"]
[White "Visser, Bert Steffen"]
[Black "Van Briemen, Willem Jan"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "84"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Qb3 0-0 11. Bxd5 Na5 12. Bxf7+ Rxf7 13. Qc3 Re7+ 14. Ne5 Nc6 15. Ndf3 Nxd4 16. Qxd4 Qxd4 17. Nxd4 Rxe5+ 18. Kd2 c5 19. Nf3 Rd5+ 20. Kc3 Bg4 21. Rhe1 Bxf3 22. gxf3 Rf5 23. Re3 Raf8 24. Rd1 Rxf3 25. Rd7 R3f7 26. Rxf7 Rxf7 27. Re8+ Rf8 28. Rxf8+ Kxf8 29. Kc4 b6 30. Kb5 Ke7 31. Ka6 Kd6 32. Kxa7 Kc6 33. Ka6 c4 34. a4 g5 35. h3 h6 36. f3 h5 37. a5 b5 38. Ka7 b4 39. a6 Kc7 40. f4 c3 41. fxg5 c2 42. g6 c1Q 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "9"]
[White "Middelkamp, C."]
[Black "Visser, Bert Steffen"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "40"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 d6 6. Nc3 h6 7. Bh4 g5 8. Bg3 Bg4 9. h3 Bh5 10. Bh2 Nd4 11. g4 Nxg4 12. hxg4 Bxg4 13. Qc1 Nxf3+ 14. Kf1 c6 15. Kg2 Qf6 16. Kg3 h5 17. a3 Nxh2 18. Qd2 Qf3+ 19. Kxh2 Bxf2 20. Bxf7+ Kxf7 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "12"]
[White "Span, Swattee"]
[Black "Visser, Bert Steffen"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "64"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Bg5 h6 7. Bh4 g5 8. Bg3 Bg4 9. h3 Bh5 10. h4 Qd7 11. hxg5 hxg5 12. Qd2 0-0-0 13. Nxg5 Nd4 14. f3 Rdg8 15. 0-0-0 Ne8 16. Rde1 Rg7 17. Bf2 f6 18. Bxd4 Bxd4 19. Be6 Rxg5 20. Bxd7+ Kxd7 21. g4 Ng7 22. gxh5 Rgxh5 23. Rxh5 Rxh5 24. Qg2 Rg5 25. Qh3+ Ke7 26. Nd5+ Kf7 27. Qd7+ Kg6 28. Ne7+ Kh6 29. Rh1+ Nh5 30. Nf5+ Kg6 31. Qf7+ Kxf7 32. Nh6+ Kg6 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "2"]
[White "Van Houwelingen, Fabian"]
[Black "Visser, Bert Steffen"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "55"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 d6 5. h3 Nf6 6. Nc3 Nd4 7. Nxd4 Bxd4 8. Nd5 c6 9. Nxf6+ Qxf6 10. c3 Bc5 11. d3 Qg6 12. Kh1 b5 13. d4 exd4 14. cxd4 Bb6 15. Bb3 0-0 16. Re1 Ba5 17. Bd2 Bb6 18. Bc3 Re8 19. e5 dxe5 20. Re2 Bb7 21. dxe5 c5 22. f3 Qg3 23. Qe1 c4 24. Qxg3 cxb3 25. e6 g6 26. Qe5 Kf8 27. Qg7+ Ke7 28. exf7+ 1-0

[Event "Hengelo op-A"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "2"]
[White "Adriaanse, J."]
[Black "Visser, Bert Steffen"]
[Result "1/2-1/2"]
[ECO "C18"]
[PlyCount "73"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 Bd7 12. Qd3 dxc3 13. Nxc3 Qa5 14. Qd2 a6 15. h4 Nf5 16. Rh3 0-0-0 17. Ne2 Qa4 18. Nc3 Qa5 19. Rb1 Ncd4 20. Kd1 Rg4 21. Qf2 Rdg8 22. h5 Kb8 23. h6 Nc6 24. Be2 R4g6 25. h7 Rh8 26. g4 Nfd4 27. g5 Nxe2 28. Nxe2 Rg7 29. Qh2 Ne7 30. Rh6 Nf5 31. Rh3 Qc5 32. Bd2 Ba4 33. Rb2 Bb5 34. Bb4 Qc4 35. Rbb3 Qxe2+ 36. Qxe2 Bxe2+ 37. Kxe2 1/2-1/2

[Event "Hengelo op-A"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "3"]
[White "Lemmers, Oscar"]
[Black "Visser, Bert Steffen"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "61"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. 0-0 Nxd4 9. Nxd4 Qxd4 10. Qe2 Ne7 11. Nc3 Nc6 12. Be3 Qxe5 13. f4 Qd6 14. f5 a6 15. Rad1 Be7 16. Kh1 0-0 17. f6 Bxf6 18. Bxh7+ Kxh7 19. Qh5+ Kg8 20. Ne4 Qe5 21. Nxf6+ gxf6 22. Qg4+ Kh8 23. Rf3 Qe4 24. Rh3+ Qh7 25. Rxh7+ Kxh7 26. Qh5+ Kg8 27. Bh6 Ne5 28. Rd3 Be8 29. Qh4 Rc8 30. Rg3+ Ng6 31. Qxf6 1-0

[Event "Hengelo op-A"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "5"]
[White "Martinidesz, Denes"]
[Black "Visser, Bert Steffen"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "2215"]
[PlyCount "87"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2 Ne7 5. e5 c5 6. Nb5 Bxd2+ 7. Qxd2 0-0 8. f4 cxd4 9. Nf3 Nbc6 10. Nbxd4 f6 11. exf6 Rxf6 12. 0-0-0 Qd6 13. g3 Nxd4 14. Nxd4 Nc6 15. Bh3 Bd7 16. Nb5 Qc5 17. Nc3 Qa5 18. Nxd5 Qxd5 19. Qxd5 exd5 20. Bxd7 Rd6 21. Rxd5 Rxd5 22. Be6+ Kf8 23. Bxd5 Re8 24. Bxc6 bxc6 25. Kd2 Kf7 26. Re1 Rd8+ 27. Kc3 Kf6 28. Re2 Rd6 29. Kc4 Kf5 30. b4 g6 31. a4 Kg4 32. Kc5 Rf6 33. c4 Kf3 34. Ra2 h5 35. b5 cxb5 36. axb5 Rf7 37. Kd6 h4 38. gxh4 Rxf4 39. c5 Rd4+ 40. Kc7 Rb4 41. b6 axb6 42. cxb6 Rc4+ 43. Kb8 Rxh4 44. b7 1-0

[Event "Hengelo op-A"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "1"]
[White "Visser, Bert Steffen"]
[Black "Zonneveld, Richard"]
[Result "1-0"]
[ECO "C57"]
[PlyCount "23"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Bxf7+ Ke7 6. Bb3 d5 7. exd5 Nd4 8. Ne6 Nxe6 9. dxe6 Bxf2+ 10. Kxf2 Qd4+ 11. Ke1 Ne4 12. Qe2 1-0

[Event "NED Open-ch15"]
[Site "Dieren"]
[Date "1984.08.01"]
[Round "3"]
[White "Visser, Bert Steffen"]
[Black "Schlenga, Klaus"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "43"]
[EventDate "1984.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Qb3 Bg7 7. cxd5 0-0 8. Be2 Nbd7 9. Bf3 Nb6 10. Nge2 Bf5 11. d6 Qxd6 12. Bxb7 Rad8 13. 0-0 h5 14. Bf4 Qd7 15. Bf3 h4 16. Rfe1 Nh7 17. Qb5 Bxd4 18. Qxd7 Rxd7 19. Nxd4 Rxd4 20. Bh6 Re8 21. Nb5 Rc4 22. Nd6 1-0

