[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "1"]
[White "Buzing, Pieter C"]
[Black "Klaassen, Anton"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "67"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 d6 5. d3 Be7 6. f4 a6 7. a4 Qc7 8. Nf3 b6 9. 0-0 Bb7 10. Be3 Nf6 11. h3 d5 12. exd5 exd5 13. d4 cxd4 14. Nxd4 Rd8 15. Qe2 0-0 16. Nxc6 Bxc6 17. Bd4 Bb7 18. Qf2 Bc5 19. Rfe1 Rfe8 20. Re5 Rxe5 21. fxe5 Ne4 22. Bxe4 dxe4 23. Bxc5 Qxc5 24. Qxc5 bxc5 25. Re1 Rd2 26. Re2 Rd4 27. Kf2 Kf8 28. Ke3 g5 29. Rf2 h6 30. e6 Ke8 31. Rxf7 Bc8 32. Rh7 Bxe6 33. Rxh6 Bc8 34. Nxe4 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "3"]
[White "Klaassen, Anton"]
[Black "Brummelaar, L."]
[Result "1-0"]
[ECO "C35"]
[PlyCount "57"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. Nc3 d6 6. 0-0 Be6 7. Bxe6 fxe6 8. d4 Nc6 9. Bxf4 e5 10. dxe5 dxe5 11. Nxe5 Qxd1 12. Raxd1 Bc5+ 13. Kh1 Nd4 14. Rd2 b5 15. a3 Rd8 16. Rfd1 Bb6 17. Bg5 c5 18. Nd3 h6 19. Bh4 g5 20. Bg3 a5 21. e5 Nh5 22. Ne4 Nf5 23. Bf2 Rd5 24. Bxc5 Bxc5 25. Ndxc5 Rxd2 26. Rxd2 Rf8 27. Rf2 Nfg3+ 28. hxg3 Nxg3+ 29. Kg1 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "8"]
[White "Klaassen, Anton"]
[Black "De Jonge, Floortje"]
[Result "1/2-1/2"]
[ECO "A88"]
[PlyCount "56"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. Nf3 d6 7. 0-0 c6 8. e3 Qe8 9. b3 Nbd7 10. Bb2 e5 11. dxe5 dxe5 12. Qc2 a6 13. Rad1 e4 14. Nd4 c5 15. Nde2 Ne5 16. Nd5 Nf3+ 17. Kh1 g5 18. h3 Qh5 19. Nxf6+ Bxf6 20. Bxf6 Rxf6 21. Rd8+ Rf8 22. Rxf8+ Kxf8 23. Qb2 Be6 24. Qf6+ Qf7 25. Qxf7+ Kxf7 26. Nc3 Ne5 27. Rd1 Nd3 28. Kg1 Ke7 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "6"]
[White "Klaassen, Anton"]
[Black "Van Briemen, Willem Jan"]
[Result "0-1"]
[ECO "A32"]
[PlyCount "140"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Bb4 6. Bd2 Nc6 7. Nf3 0-0 8. e3 d5 9. cxd5 exd5 10. Be2 a6 11. 0-0 Bd6 12. Rc1 Be6 13. a3 Qe7 14. Bd3 Bg4 15. Be2 h6 16. Re1 Rfe8 17. Qb3 Be6 18. Qc2 Rac8 19. Qd1 Rcd8 20. Qc2 Ng4 21. h3 Nge5 22. Rcd1 Bb8 23. Bc1 Qf6 24. Nd4 Bd7 25. Nxd5 Qh4 26. Nf4 Ne7 27. Bf3 b5 28. Be2 N5g6 29. g3 Qg5 30. Nf3 Qf6 31. Kh2 Nxf4 32. exf4 Ng6 33. Qb3 h5 34. h4 Qf5 35. Bf1 Be6 36. Qc3 Bd5 37. Nd4 Qf6 38. Rxe8+ Rxe8 39. Bg2 Bxg2 40. Kxg2 Rd8 41. b4 Ba7 42. Bb2 Nf8 43. Rd3 Bxd4 44. Rxd4 Qxd4 45. Qxd4 Rxd4 46. Bxd4 Ne6 47. Bb6 f5 48. Kf3 Kf7 49. Be3 Nc7 50. Ke2 Ke6 51. Kd3 Kd5 52. Bd4 g6 53. Bb6 Ne8 54. Bd4 Nd6 55. Bb2 Ne4 56. Bd4 Nd6 57. Bb2 Nc4 58. Bc1 a5 59. bxa5 Nxa5 60. Bb2 Nb7 61. Bc3 Nc5+ 62. Ke3 Kc4 63. Bb4 Nb3 64. Bf8 Nd4 65. Kd2 Kb3 66. Kc1 Nc2 67. Bb4 Nxb4 68. axb4 Kxb4 69. Kb2 Kc4 70. Kc2 Kd4 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "4"]
[White "Klaassen, Anton"]
[Black "Woudt, Edwin"]
[Result "1/2-1/2"]
[ECO "D07"]
[PlyCount "40"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. e3 Nc6 4. cxd5 Qxd5 5. Nc3 Bb4 6. Bd2 Bxc3 7. bxc3 exd4 8. cxd4 Nf6 9. Nf3 Bg4 10. Be2 0-0 11. 0-0 Ne4 12. Qc2 Nd6 13. Rfc1 Rfe8 14. Qc5 Qxc5 15. Rxc5 Ne4 16. Rc2 Ne7 17. Rac1 Rad8 18. h3 Bxf3 19. Bxf3 Nxd2 20. Rxd2 c6 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "7"]
[White "Kraakman, Paul"]
[Black "Klaassen, Anton"]
[Result "0-1"]
[ECO "B24"]
[PlyCount "74"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 d6 5. d3 Be7 6. f4 Nf6 7. Nf3 a6 8. a4 Qc7 9. 0-0 b6 10. b3 Bb7 11. Bb2 0-0 12. Nh4 Nd4 13. Ne2 Nxe2+ 14. Qxe2 Rad8 15. f5 e5 16. c4 Qd7 17. Bc1 Ra8 18. Bh3 b5 19. Ng2 Rfb8 20. g4 bxc4 21. bxc4 Bc6 22. Qf3 h6 23. g5 hxg5 24. Bxg5 Rb3 25. Bxf6 Bxf6 26. Kh1 Bxa4 27. Rg1 Bc6 28. Ne1 Qe8 29. Ra2 Qf8 30. Rag2 a5 31. Rxg7+ Qxg7 32. Rxg7+ Kxg7 33. Qg4+ Kf8 34. Qd1 a4 35. Bf1 Rb2 36. Qc1 a3 37. Qh6+ Ke7 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "5"]
[White "Mannen, Henk"]
[Black "Klaassen, Anton"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "44"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Bc4 e6 6. Nf3 Be7 7. 0-0 Nf6 8. Qe2 0-0 9. Rd1 Bd7 10. Bf4 Qb6 11. Be3 Qc7 12. Rac1 a6 13. Bb3 Nc6 14. h3 Rac8 15. Bf4 Rfd8 16. Nd5 exd5 17. exd5 Bf8 18. dxc6 Bxc6 19. Nd4 Qe7 20. Qxe7 Bxe7 21. Nf5 Bf8 22. Bxd6 Ne4 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "9"]
[White "Nobbenhuis, Stefan"]
[Black "Klaassen, Anton"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "69"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 Nc6 6. d5 Ne5 7. f4 Ned7 8. Be3 g6 9. Qc2 Bg7 10. Nf3 a6 11. Bd3 b5 12. a3 Bb7 13. 0-0 Rc8 14. Qd2 0-0 15. h3 Nc5 16. Bc2 Re8 17. g4 e6 18. g5 Nfd7 19. Bd4 e5 20. fxe5 Nxe5 21. Bxe5 Bxe5 22. Nxe5 Rxe5 23. Rf6 Qd7 24. Qe3 Rce8 25. Qg3 Bc8 26. Kg2 Qe7 27. Raf1 Nd7 28. Rxf7 Qxf7 29. Rxf7 Kxf7 30. Qf3+ Kg7 31. Ne2 Rxg5+ 32. Ng3 Ne5 33. Qc3 Kg8 34. Qc7 Nc4 35. Bd3 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "2"]
[White "Stam, Martijn"]
[Black "Klaassen, Anton"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "113"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 Nf6 5. d3 Be7 6. f4 d6 7. Nf3 a6 8. Ne2 Qc7 9. c3 b5 10. h3 Bb7 11. g4 h6 12. Qc2 Nd7 13. Ng3 g6 14. h4 0-0-0 15. Be3 Nf6 16. Bh3 Kb8 17. a3 Nd7 18. Qf2 Nb6 19. Bf1 Nd7 20. Rc1 Nf6 21. Bh3 Nd7 22. b4 Rc8 23. g5 h5 24. 0-0 Nd8 25. d4 c4 26. Bg2 Rf8 27. Rfd1 d5 28. Ne5 Rg8 29. f5 Bd6 30. fxg6 fxg6 31. Nxd7+ Qxd7 32. Bf4 Bxf4 33. Qxf4+ Ka7 34. e5 Nc6 35. Rf1 Rg7 36. Rc2 Rc7 37. Rcf2 Nd8 38. Bh3 Bc8 39. Qd2 Bb7 40. Rf6 Bc8 41. Rf8 Nf7 42. Rf6 Qe7 43. R8xf7 Rxf7 44. Rxg6 Rf3 45. Kg2 Qf7 46. Rf6 Rxf6 47. exf6 Qg6 48. Kf2 Rf7 49. Bg2 Rf8 50. Bf3 Rh8 51. Nxh5 Rxh5 52. Bxh5 Qxh5 53. Qf4 Qf7 54. Qd6 Qh7 55. Qe7+ Qxe7 56. fxe7 Bd7 57. g6 1-0

