[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2002.08.10"]
[Round "9"]
[White "Van Nies, Pauline"]
[Black "Los, Fedor"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "84"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nf3 Bg4 6. c5 Nd5 7. Qb3 b6 8. Ne5 bxc5 9. Nxg4 cxd4 10. Qb7 Nb6 11. Bb5+ N8d7 12. Ne5 e6 13. Nxd7 Nxd7 14. Bxd7+ Kxd7 15. 0-0 Bd6 16. Nd2 Re8 17. Qf3 Ke7 18. Ne4 f6 19. Qh5 h6 20. Re1 Kf8 21. Qg6 Rb8 22. Bxh6 gxh6 23. Nxf6 e5 24. f4 Bc5 25. Nxe8 Qxe8 26. Qxe8+ Rxe8 27. Rxe5 Rxe5 28. fxe5 d3+ 29. Kf1 Bd4 30. Rb1 Bxe5 31. g3 Bd4 32. b3 Bc3 33. Rd1 d2 34. Ke2 Ke7 35. Rf1 Ke6 36. Rf3 Bb4 37. Rf4 a5 38. Rh4 Bf8 39. Kxd2 c5 40. Ra4 Kf5 41. Rxa5 Kg4 42. Ra4+ Kf3 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2002.08.09"]
[Round "8"]
[White "Los, Fedor"]
[Black "Muhren, Melissa"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "31"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. d3 a6 5. Bg2 e6 6. Nf3 b5 7. 0-0 Be7 8. e5 dxe5 9. Nxe5 Ra7 10. Bf4 Bb7 11. Ne4 0-0 12. Re1 Nbd7 13. Nxd7 Qxd7 14. Be3 Qd5 15. Nxf6+ Bxf6 16. Bxd5 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2002.08.09"]
[Round "7"]
[White "Los, Fedor"]
[Black "Van Dommelen, Susan"]
[Result "1-0"]
[ECO "C53"]
[PlyCount "77"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 Bb6 6. dxe5 Bg4 7. exd6 cxd6 8. Bf4 Bc7 9. Nbd2 Qd7 10. h3 Be6 11. Bb3 0-0-0 12. Nd4 Nge7 13. Nxe6 fxe6 14. Qg4 d5 15. Bxc7 Kxc7 16. exd5 Nxd5 17. 0-0-0 Qf7 18. Qg3+ Kc8 19. Ne4 Qe7 20. Rhe1 g6 21. Ng5 Nc7 22. Rxd8+ Rxd8 23. Qe3 e5 24. Rd1 Rd6 25. Rxd6 Qxd6 26. Nxh7 Nd5 27. Qd2 Nce7 28. Bxd5 Nxd5 29. c4 Qc5 30. Qxd5 Qxd5 31. cxd5 Kd7 32. Nf8+ Kd6 33. Nxg6 Kxd5 34. h4 Ke6 35. Kd2 Kf6 36. h5 Kg5 37. g4 Kh6 38. Nxe5 Kg5 39. f4+ 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2002.08.08"]
[Round "6"]
[White "Tvarijonas, Jonis"]
[Black "Los, Fedor"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "7"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d3 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2002.08.07"]
[Round "4"]
[White "Broekmeulen, Joris"]
[Black "Los, Fedor"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "76"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 Bg4 5. f3 Bf5 6. Nc3 Nbd7 7. Qe2 Nb6 8. Bb3 Qd7 9. d3 Nfxd5 10. Nxd5 Nxd5 11. Bd2 e6 12. Qf2 Be7 13. Ne2 Bf6 14. Nc3 c6 15. 0-0 0-0 16. Kh1 b5 17. Rae1 a5 18. a3 Rfb8 19. Nxd5 cxd5 20. Bc1 b4 21. a4 Rc8 22. f4 Rc6 23. h3 h6 24. Qf3 Rac8 25. Qe2 Qb7 26. Kh2 Bg6 27. Qf2 Qb6 28. Qxb6 Rxb6 29. g4 d4 30. Rf2 Rbc6 31. Rff1 Bh4 32. Rd1 Rc5 33. Bd2 h5 34. g5 Bf5 35. Be1 Bxe1 36. Rdxe1 Re8 37. Rf2 g6 38. Rfe2 Kf8 1/2-1/2

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2002.08.07"]
[Round "5"]
[White "Los, Fedor"]
[Black "Van Opheusden, Bas"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "64"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. d3 g6 5. Bg2 Bg7 6. Nge2 Nf6 7. Be3 0-0 8. Qd2 Ne5 9. f4 Neg4 10. Bg1 Nd7 11. h3 Ngf6 12. 0-0-0 Qa5 13. g4 Rb8 14. g5 Ne8 15. h4 b5 16. Qe3 e6 17. h5 b4 18. Nb1 Qxa2 19. b3 a5 20. f5 a4 21. f6 axb3 22. cxb3 Nexf6 23. gxf6 Bxf6 24. Rd2 Qxb3 25. Nf4 Ra8 26. e5 Ra1 27. Rb2 Qc3+ 28. Rc2 Qa3+ 29. Kd2 Rxb1 30. exf6 b3 31. hxg6 Qa5+ 32. Rc3 Qa2+ 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2002.08.06"]
[Round "3"]
[White "Los, Fedor"]
[Black "Van Oosterom, Chiel"]
[Result "0-1"]
[ECO "A51"]
[PlyCount "62"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. d5 Bc5 4. Nc3 0-0 5. Bg5 Bxf2+ 6. Kxf2 Ng4+ 7. Ke1 Qxg5 8. Qd3 d6 9. Nf3 Qe3 10. h3 Qxd3 11. exd3 Ne3 12. Kd2 Nf5 13. Ne4 Na6 14. g4 Ne7 15. Be2 f5 16. gxf5 Bxf5 17. Rag1 Ng6 18. Nfg5 Nf4 19. Bg4 Nb4 20. Ne6 Nxe6 21. dxe6 Rae8 22. a3 Nc6 23. Rg3 Bxe6 24. Rhg1 Bxg4 25. Rxg4 Re7 26. h4 Nd4 27. R1g2 h5 28. Rg6 Nf3+ 29. Kc3 Nxh4 30. Nf6+ Rxf6 31. Rxf6 Nxg2 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2002.08.06"]
[Round "2"]
[White "Zeeman, Zagar"]
[Black "Los, Fedor"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "118"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bc4 Nxd5 4. Qf3 c6 5. Bxd5 cxd5 6. d4 Nc6 7. c3 e6 8. Bf4 Bd6 9. Nd2 0-0 10. Ne2 Ne7 11. Ng3 Ng6 12. Bxd6 Qxd6 13. 0-0 Bd7 14. Qe2 Rac8 15. Nb3 a6 16. Rfe1 Bb5 17. Qd2 b6 18. h3 Rc7 19. Rac1 Rfc8 20. Qe3 a5 21. Nd2 Rc6 22. a3 Ba6 23. Nb3 Bc4 24. Nd2 Ba6 25. Nb3 Bc4 26. Nd2 h6 27. Nxc4 Rxc4 28. Nf1 Ne7 29. Nd2 R4c6 30. Nf3 Ng6 31. Nd2 Qc7 32. Nb3 Ne7 33. Qg3 Qxg3 34. fxg3 Nf5 35. Kf2 a4 36. Nd2 Nxd4 37. c4 dxc4 38. Re4 Nb3 39. Nxb3 axb3 40. Rc3 Kf8 41. Rd4 Ke7 42. Ke3 b5 43. Kd2 Rd6 44. Rxd6 Kxd6 45. Rf3 f5 46. Kc3 Rc5 47. Rf2 g6 48. Kb4 e5 49. a4 bxa4 50. Kxa4 Rd5 51. Kb4 Rd4 52. Kc3 Kd5 53. Kb4 e4 54. Kc3 Kc5 55. Rd2 Rxd2 56. Kxd2 Kd4 57. g4 fxg4 58. h4 g3 59. Ke2 c3 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2002.08.05"]
[Round "1"]
[White "Los, Fedor"]
[Black "Zyat, Jamal"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "53"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. d3 e5 5. Bg2 Be6 6. Nge2 d5 7. Bg5 d4 8. Nb1 h6 9. Bxf6 Qxf6 10. Nd2 b5 11. f4 Bd6 12. Rf1 g6 13. fxe5 Qxe5 14. Nf3 Qf6 15. e5 Bxe5 16. Nxe5 Qxe5 17. Bxa8 Bh3 18. Rf2 0-0 19. Qd2 Na6 20. Be4 Qe6 21. Nf4 Qe7 22. Nxh3 f5 23. Qxh6 Qe8 24. Ng5 Qe7 25. Qxg6+ Kh8 26. 0-0-0 Rg8 27. Qh6+ 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2001.08.11"]
[Round "13"]
[White "Los, Fedor"]
[Black "Schenkeveld, Daniel"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "119"]
[EventDate "2001.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. Nge2 Nc6 6. d3 Qa5 7. Bd2 Qb6 8. Nd5 Qd8 9. Ndc3 e6 10. Bf4 Nge7 11. Qd2 d5 12. exd5 Nxd5 13. Nxd5 exd5 14. Nc3 Qe7+ 15. Qe2 Bxc3+ 16. bxc3 Qxe2+ 17. Kxe2 Be6 18. Rhe1 0-0 19. Kf1 Rad8 20. Re2 Bg4 21. Re3 d4 22. cxd4 Nxd4 23. Rc1 b6 24. c3 Nf5 25. Re5 Rxd3 26. h3 Rd1+ 27. Rxd1 Bxd1 28. g4 Nh4 29. Re7 Nxg2 30. Kxg2 Ra8 31. Bh6 Ba4 32. Rc7 a6 33. Kg3 Rb8 34. Kf4 Re8 35. Rb7 Re6 36. Rb8+ Be8 37. Rb7 b5 38. Rc7 c4 39. Rc8 f6 40. Rc7 Bf7 41. Ra7 Kh8 42. Rxf7 Re8 43. Rf8+ Rxf8 44. Bxf8 Kg8 45. Bc5 Kf7 46. g5 a5 47. gxf6 Kxf6 48. Bd4+ Kf7 49. Kg5 b4 50. Kh6 Kg8 51. h4 b3 52. axb3 cxb3 53. c4 a4 54. Bb2 Kf8 55. Kxh7 Kf7 56. c5 Ke6 57. Kxg6 Kd5 58. h5 Kxc5 59. h6 Kb4 60. h7 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2001.08.10"]
[Round "12"]
[White "Burg, Twan"]
[Black "Los, Fedor"]
[Result "1/2-1/2"]
[ECO "B02"]
[PlyCount "75"]
[EventDate "2001.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. d4 Bf5 5. Bd3 Bxd3 6. Qxd3 c6 7. Nf3 e6 8. 0-0 Be7 9. Re1 0-0 10. Nxd5 cxd5 11. Bf4 Nc6 12. c3 Bd6 13. Bg3 h6 14. Bxd6 Qxd6 15. Ne5 Nxe5 16. Rxe5 Qb6 17. b3 Rac8 18. Rh5 Rc7 19. Rc1 Rfc8 20. Rh3 Qa5 21. Qd2 b5 22. Rg3 Kh8 23. Qc2 Qa6 24. b4 Qb6 25. Qd3 a5 26. a3 Rc4 27. Re1 Qc7 28. Ree3 axb4 29. axb4 Ra8 30. h4 Qa7 31. Ref3 Rac8 32. Qd2 R4c7 33. Rf6 Kh7 34. Qd3+ Kh8 35. Qe3 Kh7 36. Qd3+ Kh8 37. Qd2 Kh7 38. Qd3+ 1/2-1/2

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2001.08.10"]
[Round "11"]
[White "Los, Fedor"]
[Black "Muhren, Yvette"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "55"]
[EventDate "2001.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 Ng4 6. 0-0 Be7 7. Bf4 d6 8. Re1 0-0 9. exd6 Bxd6 10. Bg5 Qd7 11. Bb5 a6 12. Bxc6 Qxc6 13. h3 f6 14. hxg4 fxg5 15. Nxd4 Qb6 16. b3 Bd7 17. c3 Rf4 18. f3 Rf6 19. Nd2 Bg3 20. Re7 Rd8 21. Ne4 Rd6 22. Nxg3 c5 23. Nh5 cxd4 24. Rxg7+ Kh8 25. Kh1 dxc3 26. Qc2 Rh6 27. Qxc3 Rg6 28. Rxg6+ 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2001.08.10"]
[Round "10"]
[White "Maenhout, Thibaut"]
[Black "Los, Fedor"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "45"]
[EventDate "2001.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 e6 4. dxe6 Bxe6 5. Nc3 Bc5 6. Nf3 Nc6 7. Be2 Qd7 8. 0-0 h6 9. a3 Bd4 10. b4 0-0-0 11. Bb2 g5 12. Rb1 g4 13. Nxd4 Nxd4 14. Nb5 Nxe2+ 15. Qxe2 Qe7 16. Nxa7+ Kb8 17. Qe3 Rhe8 18. Rfe1 Qd7 19. Nb5 b6 20. Qxh6 Bxc4 21. Nd4 Ng8 22. Nc6+ Kb7 23. Nxd8+ 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2001.08.09"]
[Round "8"]
[White "Dessing, Bastiaan"]
[Black "Los, Fedor"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "148"]
[EventDate "2001.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. Nc3 d6 5. Bxf6 Qxf6 6. Nd5 Qd4 7. Nxc7+ Kd7 8. Nf3 Bxd2+ 9. Nxd2 Kxc7 10. e3 Qd5 11. Qf3 Qxf3 12. Nxf3 h6 13. Bc4 Rf8 14. 0-0 Nc6 15. h3 Bd7 16. Rfd1 Na5 17. Bb3 Nxb3 18. cxb3 Bc6 19. Nd4 g6 20. Rac1 Rac8 21. Nb5+ Kb8 22. Nxd6 Rc7 23. Nc4 Bb5 24. Na3 Bc6 25. Rd2 a6 26. Rcd1 Rfc8 27. Nc4 Rf8 28. a4 h5 29. Ne5 Re8 30. Nc4 Bxa4 31. Nd6 Rd8 32. bxa4 Rcd7 33. Ne4 Rxd2 34. Rxd2 Rxd2 35. Nxd2 Kc7 36. Nc4 Kc6 37. Kf1 Kc5 38. Nb2 Kb4 39. Ke2 Kb3 40. Nd3 Kxa4 41. Nc5+ Kb4 42. Nxb7 a5 43. Kd2 a4 44. Kc2 a3 45. Nd6 a2 46. Kb2 f5 47. Kxa2 Kc3 48. e4 fxe4 49. Nxe4+ Kd3 50. f3 Ke2 51. Ng3+ Kf2 52. Nxh5 Kxg2 53. Nf4+ Kxf3 54. Nxg6 Ke4 55. h4 Kf5 56. h5 Kg5 57. Nf4 Kh6 58. Kb3 Kg5 59. Kc4 Kh6 60. Kd4 Kh7 61. Ke5 Kg7 62. Kf5 Kh7 63. Kg5 Kg8 64. Kg6 Kh8 65. Kh6 Kg8 66. Ng6 Kf7 67. Kh7 Kf6 68. h6 Kf7 69. Ne5+ Kf8 70. Nd7+ Kf7 71. Kh8 Kg6 72. h7 Kf7 73. Nb8 Kf8 74. Nc6 Kf7 1/2-1/2

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2001.08.09"]
[Round "9"]
[White "Los, Fedor"]
[Black "Ter Schegget, Bram"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "29"]
[EventDate "2001.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 b6 3. Nf3 Bb7 4. d4 e6 5. d5 Ne7 6. d6 Ng6 7. Nb5 Na6 8. Nc3 Rc8 9. h4 h5 10. a3 e5 11. Bc4 f6 12. Qd3 Nb8 13. Rh3 Rh7 14. Rg3 Nh8 15. Bg8 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2001.08.08"]
[Round "5"]
[White "Los, Fedor"]
[Black "Munnik, Talitha"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "159"]
[EventDate "2001.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 Ne4 6. 0-0 d5 7. Bb5 Bd7 8. Bxc6 Bxc6 9. Qxd4 Bc5 10. Qd1 Qd7 11. Nbd2 0-0-0 12. Nxe4 dxe4 13. Qxd7+ Rxd7 14. Nd2 Rhd8 15. Nb3 Bb6 16. Bg5 Re8 17. Bf4 h6 18. Rad1 g5 19. Bg3 h5 20. h3 g4 21. h4 Rf8 22. Rfe1 f5 23. exf6 Rxf6 24. Rxd7 Kxd7 25. Rd1+ Kc8 26. c4 a6 27. a3 Ba4 28. Re1 Bxb3 29. Rxe4 Kd7 30. Re5 Bxc4 31. Rxh5 Kc6 32. Rg5 Be2 33. Re5 Bc4 34. Re4 Be6 35. h5 Rh6 36. Bf4 Rf6 37. h6 Bd5 38. h7 Rf8 39. Re7 Bc5 40. Rxc7+ Kb6 41. Rxc5 Kxc5 42. Be5 b5 43. Bf6 Kc4 44. h8Q Rxh8 45. Bxh8 Kb3 46. Kh2 Kc2 47. Kg3 Be6 48. Kf4 Bd7 49. f3 gxf3 50. gxf3 Kd3 51. Ke5 Kc4 52. Kd6 Bh3 53. f4 Kd3 54. Ke5 Bd7 55. f5 Be8 56. Ke6 Bh5 57. f6 Kc4 58. f7 Bxf7+ 59. Kxf7 a5 60. Bc3 b4 61. axb4 axb4 62. Bg7 Kb3 63. Ke6 Kc4 64. Kd6 b3 65. Bc3 Kb5 66. Kd5 Ka4 67. Kd4 Kb5 68. Be1 Ka4 69. Kc3 Kb5 70. Kxb3 Kc6 71. Ka4 Kb7 72. Kb5 Kc8 73. Kc6 Kb8 74. b4 Ka7 75. b5 Kb8 76. b6 Ka8 77. b7+ Kb8 78. Bg3+ Ka7 79. b8Q+ Ka6 80. Qb6# 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2001.08.07"]
[Round "3"]
[White "Los, Fedor"]
[Black "Sijpkens, Michiel"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "35"]
[EventDate "2001.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Nxc3 9. bxc3 Be7 10. d5 Nb8 11. Re1 0-0 12. Bd3 Bf6 13. Bd2 g6 14. Rc1 d6 15. Qb3 Nd7 16. Be3 Ne5 17. Be4 Nxf3+ 18. Bxf3 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2001.08.06"]
[Round "1"]
[White "Los, Fedor"]
[Black "Goudriaan, Etienne"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "73"]
[EventDate "2001.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. d5 0-0 10. dxc6 Bf6 11. Bd5 Nc5 12. Be3 Ne6 13. cxb7 Bxb7 14. Bxb7 Rb8 15. Bd5 Rxb2 16. Rb1 Rxb1 17. Qxb1 c6 18. Bxe6 fxe6 19. Bxa7 Qc7 20. Bd4 e5 21. Bb6 Qc8 22. Bc5 Rf7 23. Re1 Qc7 24. Qb6 Qxb6 25. Bxb6 d5 26. Nxe5 Bxe5 27. Rxe5 Rb7 28. Ba5 Ra7 29. Bb4 Rxa2 30. g3 Kf7 31. Re7+ Kf6 32. Rc7 Rc2 33. Bf8 h5 34. Bxg7+ Kg5 35. Bd4 Kg4 36. Kg2 Rc4 37. Be3 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2001.08.06"]
[Round "6"]
[White "Rothuis, Vincent"]
[Black "Los, Fedor"]
[Result "1-0"]
[ECO "A26"]
[PlyCount "59"]
[EventDate "2001.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 g6 5. e3 Bg7 6. Nge2 Bg4 7. 0-0 Nge7 8. Rb1 Be6 9. d3 0-0 10. e4 a5 11. a3 b6 12. b4 Re8 13. b5 Nb8 14. f4 Bd7 15. f5 Nc8 16. Nd5 Bh8 17. fxg6 fxg6 18. h4 Be6 19. Bg5 Qd7 20. Nf6+ Bxf6 21. Bxf6 Bh3 22. Qd2 Bxg2 23. Kxg2 Rf8 24. Qh6 Rf7 25. Nc3 Qe6 26. Nd5 Ra7 27. h5 gxh5 28. Rf5 Ne7 29. Rg5+ Ng6 30. Rxg6+ 1-0

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.08"]
[Round "6"]
[White "Leenart, Frits"]
[Black "Los, Fedor"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "65"]
[EventDate "2001.07.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 dxe4 3. Nxe4 e5 4. Nf3 Bf5 5. Ng3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Bc4 Nf6 9. d3 Be7 10. 0-0 0-0 11. Nf5 Qd7 12. Re1 Bd6 13. Bh6 Ne8 14. Qg4 g6 15. Bxf8 Bxf8 16. Ne3 Bg7 17. c3 Qxg4 18. Nxg4 Nd7 19. Rad1 Nd6 20. Bb3 Re8 21. Re2 Kf8 22. Ne3 Nc8 23. Nc4 f5 24. d4 e4 25. Na5 Nd6 26. Nc4 Nc8 27. a4 Bh8 28. Ba2 Rd8 29. Rf1 Re8 30. Rfe1 Nf6 31. Kh1 Bg7 32. g3 Bh6 33. b4 1-0

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.08"]
[Round "5"]
[White "Los, Fedor"]
[Black "In't Veld, Daan"]
[Result "1/2-1/2"]
[ECO "C56"]
[PlyCount "77"]
[EventDate "2001.07.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Be7 10. Nd2 c5 11. Nxe4 cxd4 12. Ng3 c5 13. b4 Bb5 14. Re1 c4 15. Qxd4 Bxb4 16. Rd1 0-0 17. Qb2 Qa5 18. Rb1 Ba4 19. Qxb4 Qxb4 20. Rxb4 Bxc2 21. Rxd5 Rfd8 22. Rxd8+ Rxd8 23. Rxc4 Rd1+ 24. Nf1 Rxf1+ 25. Kxf1 Bd3+ 26. Ke1 Bxc4 27. a3 Kf8 28. Bb2 Ke7 29. f4 g6 30. Kf2 h5 31. Kf3 Bd5+ 32. Kf2 Ke6 33. Bc1 a5 34. Bd2 a4 35. Bc1 Kf5 36. Kg3 Ke6 37. Kh3 Kf5 38. g3 Bf3 39. Kh4 1/2-1/2

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.07"]
[Round "4"]
[White "Klop, Tjomme"]
[Black "Los, Fedor"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "21"]
[EventDate "2001.07.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 c6 4. d4 cxd5 5. Nc3 Bf5 6. Nf3 e6 7. Qb3 b6 8. cxd5 Nxd5 9. Bb5+ Ke7 10. Ne5 Kf6 11. Bg5+ 1-0

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.07"]
[Round "3"]
[White "Los, Fedor"]
[Black "Klaassens, Egbert"]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "115"]
[EventDate "2001.07.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. d3 Nc6 4. g3 d5 5. Bf4 a6 6. Bg2 Nge7 7. Nf3 Qb6 8. Qc1 Ng6 9. exd5 Nxf4 10. gxf4 Nd4 11. 0-0 Nf5 12. dxe6 fxe6 13. Re1 Be7 14. Ne2 0-0 15. c3 Bf6 16. Ng3 Bd7 17. Nxf5 exf5 18. Qd2 Rad8 19. Rad1 Qa5 20. Ra1 Qb6 21. Re2 Bb5 22. c4 Bxc4 23. Ne1 Bb5 24. a4 Be8 25. Qe3 Bf7 26. Rc1 Rfe8 27. Qf3 Rxe2 28. Qxe2 Qb4 29. Qc2 b6 30. Bb7 Qxf4 31. Ng2 Qg5 32. Bxa6 Bd5 33. f3 Bxf3 34. Bc4+ Kh8 35. Re1 Bd4+ 36. Kh1 Bc6 37. Bb5 Bb7 38. Qe2 Rf8 39. Bd7 f4 40. Bg4 Bc6 41. b3 h6 42. Bf3 Bxf3 43. Qxf3 Kg8 44. Rf1 Be5 45. Re1 Qf6 46. Qd5+ Kh8 47. Qxe5 f3 48. Qxf6 fxg2+ 49. Kxg2 Rxf6 50. Re4 Rd6 51. Re3 g5 52. Kf2 Kg7 53. Ke2 Kg6 54. Kd2 g4 55. h3 h5 56. hxg4 hxg4 57. Kc3 Kf5 58. Re1 1/2-1/2

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.06"]
[Round "2"]
[White "Van Onzen, Jeroen"]
[Black "Los, Fedor"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "107"]
[EventDate "2001.07.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 e6 4. dxe6 Bxe6 5. Nc3 Bc5 6. Nf3 Nc6 7. Be2 Nd4 8. 0-0 Nxf3+ 9. Bxf3 Bxc4 10. Qa4+ b5 11. Re1+ Kf8 12. Nxb5 Bd5 13. Bxd5 Nxd5 14. Qc4 Bb6 15. d4 Ne7 16. Bg5 f6 17. Bf4 Qd7 18. Nxc7 Bxc7 19. Qxc7 Qxc7 20. Bxc7 Kf7 21. Bd6 Nd5 22. Kf1 Rac8 23. Bc5 a6 24. Rad1 Rhd8 25. Rd3 Rd7 26. Ra3 Ra8 27. b4 Nc7 28. Rae3 Nd5 29. Re6 Rb8 30. Rd6 Rxd6 31. Bxd6 Rb7 32. Bc5 Nc3 33. a3 Nb5 34. Re3 Rd7 35. g3 g6 36. h3 h5 37. h4 Nc7 38. a4 Ne6 39. b5 axb5 40. axb5 Nxd4 41. Rd3 Rd5 42. Bxd4 Rxb5 43. Re3 Rd5 44. Bc3 f5 45. Kg2 Rd6 46. Kf3 Ra6 47. Rd3 Rc6 48. Bd4 Ra6 49. Be3 Rc6 50. Kf4 Ra6 51. Kg5 Rc6 52. Rd7+ Kg8 53. Kh6 Ra6 54. Rg7+ 1-0

[Event "NED-ch U12"]
[Site "Rijswijk"]
[Date "2001.05.26"]
[Round "8"]
[White "Broekmeulen, Joris"]
[Black "Los, Fedor"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "100"]
[EventDate "2001.05.24"]
[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 d5 2. exd5 Nf6 3. d4 Nxd5 4. c3 Bf5 5. Nf3 e6 6. Be2 Bd6 7. 0-0 0-0 8. a3 Nd7 9. Bg5 N5f6 10. Nbd2 h6 11. Bh4 c6 12. Bg3 Bc7 13. Bxc7 Qxc7 14. h3 Nd5 15. Re1 Nf4 16. Bf1 Nb6 17. c4 c5 18. dxc5 Qxc5 19. b4 Qc7 20. Qb3 Rad8 21. Rad1 Bd3 22. c5 Na8 23. Nc4 Bxf1 24. Rxf1 Nd5 25. Nd6 Rb8 26. Rc1 Nf4 27. Rfe1 Ng6 28. Nd4 a6 29. Qg3 Rfd8 30. Nxe6 fxe6 31. Qxg6 e5 32. Qe6+ Kh7 33. Qxe5 Qd7 34. Qf5+ Kg8 35. Qxd7 Rxd7 36. Re3 Nc7 37. Rce1 b6 38. Re7 Rxe7 39. Rxe7 Nd5 40. Re8+ Rxe8 41. Nxe8 bxc5 42. bxc5 Kf7 43. Nd6+ Ke7 44. Nf5+ Kf6 45. Ng3 Nf4 46. c6 Ne6 47. Kf1 Ke5 48. Ke2 Kd6 49. c7 Kxc7 50. Ne4 Kb6 1/2-1/2

[Event "NED-ch U12"]
[Site "Rijswijk"]
[Date "2001.05.26"]
[Round "9"]
[White "Los, Fedor"]
[Black "De Vidal, Alexander"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "57"]
[EventDate "2001.05.24"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb6 7. e5 Ng4 8. h3 Nh6 9. d5 Na5 10. Be2 d6 11. b4 dxe5 12. bxa5 Bxa5+ 13. Bd2 Bb6 14. Nxe5 Qf6 15. Nf3 Qxa1 16. Bc3 Qxa2 17. Bxg7 Rg8 18. Bxh6 Rxg2 19. Rf1 Bxh3 20. Bg5 Bg4 21. Nc3 Qb2 22. Bd2 0-0-0 23. Nh4 Rh2 24. Bxg4+ Kb8 25. Nf5 Re8+ 26. Ne3 Bxe3 27. fxe3 Rxe3+ 28. Be2 Rexe2+ 29. Nxe2 1-0

[Event "NED-ch U12"]
[Site "Rijswijk"]
[Date "2001.05.26"]
[Round "7"]
[White "Los, Fedor"]
[Black "Langerak, Wouter"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "78"]
[EventDate "2001.05.24"]
[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 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Nf3 d6 7. Be3 Nge7 8. Qd2 a6 9. h4 h5 10. Bg5 b5 11. Ng1 Bb7 12. Nge2 b4 13. Nd1 Qc7 14. Rb1 Nd4 15. Nxd4 Bxd4 16. Be3 Bg7 17. Bg5 0-0-0 18. c3 a5 19. a3 bxa3 20. bxa3 Rde8 21. Rg1 d5 22. Qb2 Bc6 23. Kf1 Qb7 24. Qxb7+ Bxb7 25. exd5 exd5 26. c4 Bc6 27. Bxe7 Rxe7 28. cxd5 Rhe8 29. Ne3 Ba4 30. Nc4 Bc2 31. Bh3+ f5 32. Nb6+ Kc7 33. Rb2 Bxb2 34. d6+ Kxb6 35. dxe7 Rxe7 36. Kg2 Bd4 37. f4 Bxg1 38. Kxg1 Bxd3 39. Bf1 Bxf1 0-1

[Event "NED-ch U12"]
[Site "Rijswijk"]
[Date "2001.05.25"]
[Round "4"]
[White "Los, Fedor"]
[Black "Hommes, Elmar"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "99"]
[EventDate "2001.05.24"]
[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 e5 2. Nf3 Nc6 3. Bc4 h6 4. d4 d6 5. dxe5 Nxe5 6. Nxe5 dxe5 7. Bxf7+ Ke7 8. Qxd8+ Kxd8 9. 0-0 Nf6 10. Nc3 Bb4 11. Nd5 Nxd5 12. Bxd5 Ke7 13. Be3 Re8 14. f3 Kf8 15. Rad1 c6 16. Bb3 Be6 17. Bxe6 Rxe6 18. Rd7 b6 19. Rfd1 a5 20. Bxb6 c5 21. Rd8+ Rxd8 22. Bxd8 g5 23. c3 Bxc3 24. bxc3 Ra6 25. Rd5 Ra8 26. Bb6 Rb8 27. Bxc5+ Kf7 28. Rxe5 Rb1+ 29. Kf2 Rb2+ 30. Kg3 Rxa2 31. Bd4 a4 32. Ra5 Ra1 33. h3 a3 34. c4 Rc1 35. Rxa3 Rxc4 36. Be3 Kf6 37. h4 gxh4+ 38. Kxh4 Kg7 39. Ra7+ Kg8 40. Bxh6 Rc2 41. f4 Rxg2 42. Rg7+ Rxg7 43. Bxg7 Kxg7 44. Kg5 Kg8 45. e5 Kf7 46. f5 Kg7 47. e6 Kf8 48. Kg6 Ke7 49. Kg7 Ke8 50. f6 1-0

[Event "NED-ch U12"]
[Site "Rijswijk"]
[Date "2001.05.25"]
[Round "6"]
[White "Rothuis, Vincent"]
[Black "Los, Fedor"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "122"]
[EventDate "2001.05.24"]
[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 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 Bf5 6. Be3 Nc6 7. Nf3 e6 8. Bd3 Bxd3 9. Qxd3 Be7 10. 0-0 0-0 11. Rad1 h6 12. Rfe1 Re8 13. Bf4 Bd6 14. Bxd6 cxd6 15. b3 d5 16. c5 Nd7 17. Re3 Ne7 18. Rde1 a6 19. Ne5 Nxe5 20. Rxe5 Nc6 21. R5e2 Qf6 22. Rd1 Rad8 23. Qd2 Re7 24. h3 Rc7 25. Re3 Ne7 26. Rf3 Qg6 27. Qd3 Rdc8 28. Qxg6 Nxg6 29. Na4 Ne7 30. Rfd3 Rd8 31. Kf1 Nc8 32. Ke2 Kf8 33. R1d2 Ke7 34. Kd1 g6 35. b4 f6 36. Re2 Kf7 37. Rde3 Re8 38. Nc3 Na7 39. a3 Rce7 40. Rd3 Rd8 41. f4 h5 42. g3 Rc8 43. Kd2 Rc6 44. Rde3 Rcc7 45. Rd3 Rc6 46. g4 Rc8 47. gxh5 gxh5 48. f5 Rg8 49. fxe6+ Rxe6 50. Rxe6 Kxe6 51. Re3+ Kf7 52. Rf3 Nb5 53. Nxb5 axb5 54. Re3 Ra8 55. Rf3 Kg6 56. h4 Ra6 57. Rg3+ Kf7 58. Rf3 Kg6 59. Rg3+ Kf7 60. Rf3 Kg6 61. Rg3+ Kf7 1/2-1/2

[Event "NED-ch U12"]
[Site "Rijswijk"]
[Date "2001.05.25"]
[Round "5"]
[White "Van Opheusden, Bas"]
[Black "Los, Fedor"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "100"]
[EventDate "2001.05.24"]
[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 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bf5 5. Bc4 c6 6. 0-0 e6 7. Bf4 Nxf4 8. Nc3 Nd5 9. Bxd5 cxd5 10. Re1 Bb4 11. Qd2 0-0 12. a3 Bxc3 13. Qxc3 Nc6 14. Ne5 Nxe5 15. dxe5 Qb6 16. Re3 Rac8 17. Qe1 Rxc2 18. Rf3 Be4 19. Rg3 Rxb2 20. Rd1 Rb8 21. h4 Rb1 22. Kh2 Rxd1 23. Qxd1 Qxf2 24. Qg4 g6 25. h5 Qd2 26. Qh4 Bf5 27. Qf6 Qh6 28. Qh4 Kf8 29. Qf6 Kg8 30. Qh4 Rc8 31. a4 a6 32. a5 Ra8 33. Kg1 Rc8 34. Kh2 Ra8 35. Kg1 Re8 36. Rg5 Kf8 37. Kh2 Rc8 38. Qf4 Rc4 39. Qe3 Rh4+ 40. Kg1 Kg7 41. Qg3 Rxh5 42. Rxf5 Rxf5 43. Qc3 Qh4 44. g3 Qc4 45. Qe1 Rf1+ 46. Qxf1 Qxf1+ 47. Kxf1 Kh6 48. Kf2 Kg5 49. Kf3 Kf5 50. g4+ Kxe5 0-1

[Event "NED-ch U12"]
[Site "Rijswijk"]
[Date "2001.05.24"]
[Round "1"]
[White "Coenraad, Carel"]
[Black "Los, Fedor"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "83"]
[EventDate "2001.05.24"]
[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 d5 2. e5 Nc6 3. d4 Bf5 4. Nf3 e6 5. a3 Nge7 6. Bb5 Qd7 7. h3 f6 8. Be3 a6 9. exf6 gxf6 10. Bd3 Rg8 11. Bf4 0-0-0 12. Nc3 Bxd3 13. Qxd3 Nf5 14. g4 Nd6 15. 0-0-0 Re8 16. Rde1 Na7 17. g5 fxg5 18. Nxg5 Bh6 19. h4 Rgf8 20. Bd2 Rxf2 21. Nd1 Bxg5 22. hxg5 Rf7 23. Nc3 Nc6 24. Kb1 Nf5 25. Qf3 Nfxd4 26. Qg2 Nf3 27. Ref1 Nxd2+ 28. Qxd2 Rxf1+ 29. Rxf1 Qg7 30. Re1 Nd8 31. Nxd5 Qd7 32. Re5 exd5 33. Rxd5 Qe7 34. Qd3 Qf7 35. b3 Qg7 36. Qd2 Qe7 37. Qd3 Qxa3 38. Qd2 Qe7 39. Qd3 Qe4 40. Rxd8+ Rxd8 41. Qxe4 c6 42. Qxh7 1-0

[Event "NED-ch U12"]
[Site "Rijswijk"]
[Date "2001.05.24"]
[Round "3"]
[White "Corporaal, Roelof"]
[Black "Los, Fedor"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "37"]
[EventDate "2001.05.24"]
[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 d5 2. exd5 Nf6 3. c4 c6 4. dxc6 Nxc6 5. Nf3 e5 6. Nc3 e4 7. Ng5 Bf5 8. f3 exf3 9. Qxf3 Nd4 10. Qxb7 Nc2+ 11. Kd1 Be7 12. Qf3 Bg6 13. Qc6+ Nd7 14. d3 Nxa1 15. Nge4 0-0 16. Be2 Nf6 17. Re1 Rc8 18. Qa6 Nxe4 19. Nxe4 0-1

[Event "NED-ch U12"]
[Site "Rijswijk"]
[Date "2001.05.24"]
[Round "2"]
[White "Los, Fedor"]
[Black "Timmermans, Bart"]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "107"]
[EventDate "2001.05.24"]
[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 c5 2. Nc3 d6 3. g3 Nf6 4. d3 a6 5. Bg2 Nbd7 6. Be3 e6 7. Qd2 Be7 8. Nge2 0-0 9. f4 Ne8 10. 0-0-0 b5 11. g4 b4 12. Nb1 a5 13. g5 a4 14. h4 b3 15. cxb3 axb3 16. a3 Qc7 17. Qc3 Nb6 18. Kd2 Na4 19. Qxb3 Qa5+ 20. Nbc3 Nxc3 21. Qxc3 Qb5 22. Rb1 Bd8 23. Ke1 Ba6 24. Nc1 Ba5 25. b4 Rb8 26. Bd2 Rc8 27. Qb2 Bb6 28. Bc3 c4 29. a4 Qd7 30. a5 Be3 31. Kd1 Bxf4 32. b5 Rb8 33. dxc4 e5 34. Qa2 Bc8 35. a6 Qg4+ 36. Qe2 Qxe2+ 37. Nxe2 Be3 38. Kc2 Bb6 39. Ra1 Ra8 40. Ba5 Bc5 41. Rhb1 g6 42. Nc3 f6 43. Nd5 fxg5 44. Ne7+ Kg7 45. Nxc8 Rxc8 46. b6 Rf7 47. a7 Rb7 48. Bb4 Ra8 49. Bxc5 dxc5 50. hxg5 Kf7 51. Bh3 Ke7 52. Bc8 Rxc8 53. a8Q Rxa8 54. Rxa8 1/2-1/2

[Event "NED op U14"]
[Site "Netherlands"]
[Date "2001.??.??"]
[Round "5"]
[White "Los, Fedor"]
[Black "Braggaar, Leonore"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "63"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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 Nf6 4. d4 exd4 5. e5 Ng8 6. Nxd4 Bc5 7. Nxc6 bxc6 8. 0-0 Ne7 9. Re1 0-0 10. Bg5 h6 11. Bh4 Bb7 12. Qe2 Re8 13. Bd3 Qc8 14. Bxe7 Rxe7 15. Qe4 g6 16. Qh4 Qf8 17. Nc3 Qg7 18. Ne4 Bb6 19. Qxe7 Bd4 20. Nf6+ Kh8 21. Qb4 Bb6 22. Qh4 c5 23. Ng4 Kh7 24. Qf6 Qg8 25. c4 Ba5 26. Re3 Rf8 27. Rh3 Bd2 28. f4 Qg7 29. Nxh6 Qxf6 30. Ng4+ Kg7 31. exf6+ Kg8 32. Nh6+ 1-0

[Event "NED op U14"]
[Site "Netherlands"]
[Date "2001.??.??"]
[Round "1"]
[White "Los, Fedor"]
[Black "Van Trigt, Steven"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "104"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. bxc3 d5 10. Bd3 0-0 11. Qc2 Bf5 12. Re1 Re8 13. Bf4 Qf6 14. Nd2 Qg6 15. Re3 Re6 16. f3 Bh3 17. Bg3 Qh6 18. Nxe4 Qxe3+ 19. Bf2 Qh6 20. Nc5 Qg5 21. Bg3 Re3 22. gxh3 Rxf3 23. Kg2 Qe3 24. Re1 Rxg3+ 25. hxg3 Qxe1 26. Bxh7+ Kh8 27. Bd3 Re8 28. Qf2 Qxf2+ 29. Kxf2 b6 30. Bb5 bxc5 31. Bxc6 Rb8 32. Bxd5 cxd4 33. cxd4 Rb2+ 34. Kf3 Rb1 35. Kg2 f6 36. Bb3 Rb2+ 37. Kf3 Rd2 38. d5 Rd3+ 39. Kg4 f5+ 40. Kf4 g6 41. h4 Kg7 42. h5 gxh5 43. Kxf5 Rxg3 44. Ke6 h4 45. d6 cxd6 46. Kxd6 Rxb3 47. axb3 h3 48. b4 h2 49. b5 h1Q 50. Kc7 Qg1 51. Kb7 Qb6+ 52. Ka8 Qxb5 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "2000.08.12"]
[Round "13"]
[White "Los, Fedor"]
[Black "Van Oosterom, Chiel"]
[Result "1/2-1/2"]
[ECO "B09"]
[PlyCount "34"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. h3 Nc6 7. Be3 e5 8. fxe5 dxe5 9. d5 Ne7 10. Qd3 Ne8 11. 0-0-0 Nd6 12. Qd2 f5 13. exf5 Nexf5 14. Bg5 Qe8 15. Rg1 e4 16. Re1 h6 17. Bf4 Rf7 1/2-1/2

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "2000.08.11"]
[Round "10"]
[White "Blees, Enrico"]
[Black "Los, Fedor"]
[Result "0-1"]
[ECO "C04"]
[PlyCount "88"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. e4 e6 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Bb5 a6 7. Bxc6 bxc6 8. Nb3 c5 9. c3 cxd4 10. cxd4 c5 11. 0-0 cxd4 12. Nbxd4 Bc5 13. Bg5 Qc7 14. Rc1 Qa7 15. Nb3 Bb6 16. Qc2 0-0 17. Be7 Re8 18. Ng5 g6 19. Bd6 Bb7 20. Qd3 h6 21. Nh3 Rac8 22. Nf4 Rxc1 23. Nxc1 Kg7 24. Nce2 a5 25. Nxg6 Ba6 26. Qg3 fxg6 27. Nf4 g5 28. Rc1 Bxf2+ 29. Qxf2 Qxf2+ 30. Kxf2 gxf4 31. Rc7 Bb5 32. Rb7 Bc6 33. Rc7 Rb8 34. Rxd7+ Bxd7 35. Bxb8 Kg6 36. b3 a4 37. b4 Bb5 38. a3 Kf5 39. Kf3 d4 40. Kf2 Ke4 41. g4 fxg3+ 42. hxg3 h5 43. Bd6 d3 44. Ke1 Kf3 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "2000.08.11"]
[Round "12"]
[White "Ferrol, Jankiel"]
[Black "Los, Fedor"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "96"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bd7 7. Bg5 Be7 8. h3 h6 9. Bh4 a6 10. Be2 0-0 11. 0-0 Bc8 12. Bg3 Bd6 13. Ne5 Nbd7 14. Nxd7 Qxd7 15. Bxd6 cxd6 16. Bf3 Qc7 17. Qb3 Rb8 18. Rfe1 Bd7 19. Re2 Qa5 20. Qc2 b5 21. d5 bxc4 22. dxe6 Bxe6 23. Rd1 Rfd8 24. Red2 d5 25. a3 Qc5 26. Ne2 Rb7 27. b4 Qc6 28. Nd4 Qd6 29. Nxe6 fxe6 30. Qxc4 Qb6 31. Qe2 Rc7 32. Qe3 Qxe3 33. fxe3 Rdc8 34. Kf2 Nd7 35. Bg4 Kf7 36. Ke2 Rc3 37. Ra2 Rb3 38. e4 Nf6 39. exd5 Nxg4 40. hxg4 Rcc3 41. d6 Ke8 42. a4 Rxb4 43. d7+ Kd8 44. Kf1 Rb7 45. Rad2 Rcc7 46. Ke2 Rxd7 47. Rxd7+ Rxd7 48. Rxd7+ Kxd7 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "2000.08.11"]
[Round "11"]
[White "Los, Fedor"]
[Black "Van Nies, Pauline"]
[Result "1/2-1/2"]
[ECO "B72"]
[PlyCount "75"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 Nc6 8. Nxc6 bxc6 9. Bh6 0-0 10. Bxg7 Kxg7 11. Be2 Rb8 12. b3 Qa5 13. f3 Be6 14. Na4 Qe5 15. Qc3 Qxc3+ 16. Nxc3 Nd7 17. f4 Nc5 18. g4 Bd7 19. 0-0-0 Rfd8 20. h4 Rb7 21. h5 Rdb8 22. hxg6 hxg6 23. Rh4 Rb4 24. Bf3 Ne6 25. g5 Rh8 26. Rxh8 Kxh8 27. a3 Rb7 28. Ne2 Kg7 29. Rg1 Rb5 30. Kb2 Bc8 31. c4 Rb6 32. b4 a5 33. Kc3 axb4+ 34. axb4 Ra6 35. Kb2 Rb6 36. Kb3 Nc5+ 37. Kc3 Na4+ 38. Kb3 1/2-1/2

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "2000.08.10"]
[Round "9"]
[White "Los, Fedor"]
[Black "Jacobs, Florian"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "80"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "13"]
[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. exd5 exd5 5. Bd2 Nf6 6. Nf3 Bg4 7. Be2 0-0 8. 0-0 c6 9. h3 Bh5 10. Re1 Nbd7 11. Nh2 Bxe2 12. Qxe2 Re8 13. Qd3 Ne4 14. Nxe4 dxe4 15. Qe3 Bxd2 16. Qxd2 Nf6 17. Re2 Qb6 18. c3 Re6 19. Rae1 Rae8 20. Qc2 Qc7 21. f3 e3 22. Qc1 Qf4 23. a3 Qg5 24. Qc2 Nd5 25. b3 Nf4 26. Qb2 Nxe2+ 27. Rxe2 h5 28. Nf1 Qg6 29. Qc1 Qd3 30. Qe1 h4 31. b4 b5 32. Nh2 f5 33. Nf1 a6 34. Kh1 Qc4 35. Kg1 Qb3 36. Qc1 Qc4 37. Qe1 Qd5 38. Kh1 Qd8 39. Kg1 a5 40. Nxe3 f4 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "2000.08.10"]
[Round "8"]
[White "Pruijssers, Roeland"]
[Black "Los, Fedor"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "137"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nf6 5. Nf3 e6 6. Nc3 Nc6 7. Be2 Be7 8. Bf4 Bd6 9. Bxd6 cxd6 10. 0-0 0-0 11. Qd2 d5 12. cxd5 Nxd5 13. Bc4 Nxc3 14. bxc3 a6 15. Bd3 h6 16. Qe2 Re8 17. Rfe1 Ne7 18. c4 Bd7 19. Qe4 Ng6 20. Qxb7 Re7 21. Bxg6 fxg6 22. Qe4 g5 23. Ne5 Be8 24. Re2 Rc8 25. Rae1 Kh8 26. h3 Kg8 27. Rd2 Qa5 28. Qe2 Rb8 29. Red1 Rc8 30. d5 exd5 31. Rxd5 Qc3 32. Qg4 Rcc7 33. Qd4 Qc2 34. Rd8 Kf8 35. Qd5 Qf5 36. Nd7+ Qxd7 37. Rxd7 Rcxd7 38. Qf5+ Rf7 39. Qc5+ Kg8 40. Rxd7 Bxd7 41. Qd6 Bc8 42. c5 Rf8 43. c6 Re8 44. c7 Kf7 45. Kh2 Re6 46. Qd5 Kf8 47. Kg3 Re8 48. h4 g4 49. f3 gxf3 50. gxf3 Re7 51. h5 Re8 52. Qd6+ Kf7 53. f4 Re6 54. Qd5 Kf8 55. f5 Re8 56. Kf4 Re7 57. Qd6 Kf7 58. Qd5+ Kf8 59. f6 Rd7 60. Qc5+ Kf7 61. fxg7 Kxg7 62. Qe5+ Kf7 63. Qf5+ Kg8 64. Qg6+ Kf8 65. Qxh6+ Kg8 66. Qg6+ Kf8 67. h6 Rf7+ 68. Kg5 Rxc7 69. Qd6+ 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "2000.08.09"]
[Round "7"]
[White "Los, Fedor"]
[Black "Broekmeulen, Joris"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "69"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nc6 4. c3 Nf6 5. Qc2 e6 6. d4 cxd4 7. cxd4 Be7 8. Nc3 Bd7 9. a3 Rc8 10. Bd3 Qb6 11. Be3 Qc7 12. 0-0 0-0 13. Rac1 Bd8 14. Rfe1 Ne7 15. e5 dxe5 16. dxe5 Nfd5 17. Nxd5 Nxd5 18. Qxc7 Rxc7 19. Bc5 Re8 20. Be4 b6 21. Bd6 Rxc1 22. Rxc1 Nf4 23. Kf1 Bb5+ 24. Ke1 Nxg2+ 25. Kd2 Nf4 26. Nd4 Bd7 27. Nc6 Bxc6 28. Bxc6 Bg5 29. Bxe8 Nd5+ 30. Kd1 Bxc1 31. Kxc1 Nf4 32. Bc6 Ne2+ 33. Kd2 Nd4 34. Bb7 Nf3+ 35. Bxf3 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "2000.08.09"]
[Round "5"]
[White "Los, Fedor"]
[Black "Geragousian, Biaina"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "43"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "13"]
[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. Nc3 d5 8. exd5 Nxd5 9. 0-0 Nxc3 10. bxc3 Bd6 11. Re1+ Ne7 12. Qb3 0-0 13. Ng5 Qe8 14. Ba3 h6 15. Bxd6 cxd6 16. Bxf7+ Rxf7 17. Nxf7 Qxf7 18. Rxe7 Qxb3 19. axb3 Bf5 20. Rxb7 Rc8 21. c4 a5 22. Re7 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "2000.08.09"]
[Round "6"]
[White "Van Blokland, Tjerk"]
[Black "Los, Fedor"]
[Result "1/2-1/2"]
[ECO "B02"]
[PlyCount "100"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 e6 5. Qf3 c6 6. d3 Nd7 7. Bxd5 cxd5 8. Qg3 a6 9. Bf4 Nf6 10. Bg5 Be7 11. Qf4 h6 12. Bxf6 Bxf6 13. d4 Qb6 14. Rb1 Qxd4 15. Qxd4 Bxd4 16. Nge2 0-0 17. Nxd4 Bd7 18. 0-0 b5 19. Nce2 Rac8 20. c3 e5 21. Nf3 f6 22. Rbc1 Kf7 23. Rfd1 Be6 24. Ne1 Rfd8 25. Nc2 Bg4 26. f3 Be6 27. h3 f5 28. f4 e4 29. Ned4 g5 30. Nxe6 Kxe6 31. Nd4+ Kf6 32. fxg5+ hxg5 33. Rf1 f4 34. h4 Rd6 35. Rf2 Rf8 36. Rcf1 Kg6 37. hxg5 Kxg5 38. g4 f3 39. Nf5 Rg6 40. Ne3 Kf4 41. Nxd5+ Kxg4 42. Rh2 Rg5 43. Rg2+ Kf5 44. Rxg5+ Kxg5 45. Ne3 Kf4 46. Nd5+ Ke5 47. Nb6 Kf4 48. c4 bxc4 49. Nxc4 e3 50. Rd1 Rg8+ 1/2-1/2

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "2000.08.08"]
[Round "4"]
[White "Bitalzadeh, Ali"]
[Black "Los, Fedor"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "28"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nf6 5. Nf3 e6 6. Be2 Be7 7. 0-0 0-0 8. Nc3 Bd7 9. Bf4 Bd6 10. Be5 Nc6 11. a3 Ng4 12. Bxd6 cxd6 13. d5 Ne7 14. dxe6 Bxe6 1/2-1/2

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "2000.08.08"]
[Round "2"]
[White "Braggaar, Leonore"]
[Black "Los, Fedor"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "74"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d4 Bf5 5. Bc4 e6 6. Bf4 Nb6 7. Bb3 Bd6 8. Qd2 Bg4 9. Ne5 Bf5 10. d5 Bxe5 11. Bxe5 f6 12. Bc3 Nxd5 13. Bxd5 Qxd5 14. Qxd5 exd5 15. 0-0 Bxc2 16. Re1+ Kf7 17. Nd2 Nd7 18. Bb4 Rhe8 19. h3 c6 20. Re3 Rxe3 21. fxe3 Re8 22. Kf2 Ne5 23. Bc3 Bd3 24. Rd1 Bc2 25. Rf1 Bd3 26. Rd1 Nc4 27. Nxc4 Bxc4 28. b3 Ba6 29. Bd4 b6 30. Rc1 Bb7 31. b4 Ke6 32. Re1 Kd6 33. Kf3 c5 34. Bb2 d4+ 35. e4 f5 36. Bc1 Rxe4 37. Bf4+ Kd7 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "2000.08.08"]
[Round "3"]
[White "Los, Fedor"]
[Black "Van Rijn, Giel"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "46"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "13"]
[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. exd5 exd5 4. Nc3 Nf6 5. Nf3 Be7 6. Bd3 0-0 7. h3 Nc6 8. 0-0 h6 9. a3 Bd7 10. Be3 Bd6 11. Qd2 Be6 12. Bxh6 gxh6 13. Qxh6 Re8 14. Ng5 Bf8 15. Bh7+ Kh8 16. Qh4 Qd6 17. Bd3+ Kg8 18. Bh7+ Kh8 19. Rfe1 a5 20. Rxe6 Qd7 21. Rxf6 Bg7 22. Nxf7+ Qxf7 23. Rxf7 Nxd4 1-0

[Event "NED-ch U14"]
[Site "Rijswijk"]
[Date "2000.??.??"]
[Round "?"]
[White "Azadmanesh, Hanif"]
[Black "Los, Fedor"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "74"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nxd5 Qxd5 5. Nf3 Nc6 6. d4 Bf5 7. Be3 Nb4 8. Bd3 Nxd3+ 9. cxd3 Bg4 10. h3 Bxf3 11. Qxf3 Qxf3 12. gxf3 g6 13. 0-0-0 Bg7 14. Bf4 0-0-0 15. Rhe1 e6 16. Be5 Rhg8 17. Re4 Rd5 18. Kc2 Bxe5 19. dxe5 Kd7 20. d4 Ke7 21. Rd3 Rgd8 22. Kc3 c5 23. Kc4 Rxd4+ 24. Rdxd4 Rxd4+ 25. Rxd4 cxd4 26. Kxd4 Kd7 27. Kc5 Kc7 28. b4 b6+ 29. Kb5 Kb7 30. f4 a6+ 31. Kc4 Kc7 32. a4 Kc6 33. a5 Kb7 34. h4 bxa5 35. bxa5 Kc6 36. f3 h6 37. Kc3 Kb5 0-1

[Event "NED-ch U14"]
[Site "Rijswijk"]
[Date "2000.??.??"]
[Round "?"]
[White "Los, Fedor"]
[Black "Blees, Enrico"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "120"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 Ne7 7. Nc3 Ng6 8. Be3 Bb4 9. a3 Ba5 10. 0-0 0-0 11. b4 Bc7 12. Rfe1 Nd7 13. Ng5 h6 14. Nf3 Nb6 15. Nd1 a5 16. Nb2 Qd7 17. Qd2 Kh7 18. Qd3 f5 19. Bd2 a4 20. h3 Rf7 21. Re2 Rg8 22. Ne1 Nf8 23. Qf3 g5 24. Ned3 Qd8 25. Qh5 Rfg7 26. h4 f4 27. g3 Nc4 28. Nxc4 dxc4 29. Nxf4 Qxd4 30. Rae1 gxf4 31. Bxf4 Qxf4 32. Kh1 Qf7 33. Qxf7 Rxf7 34. Kh2 Rf3 35. Ra1 Ng6 36. Kg2 Nxh4+ 37. Kh3 Nf5 38. Kg2 Rc3 39. Rd1 Rg7 40. Ra1 Bb6 41. Kf1 Nd4 42. Rd2 Rxc2 43. Rxc2 Nxc2 44. Rc1 Nxa3 45. Ra1 Nb5 46. Rxa4 c3 47. Ra1 Rf7 48. f4 Bd4 49. Rc1 Na3 50. Kg2 c2 51. Kf3 Bb2 52. Rxc2 Nxc2 53. Ke2 Nxb4 54. Kd2 c5 55. Kd1 c4 56. g4 c3 57. f5 c2+ 58. Ke2 c1Q 59. fxe6 Qc2+ 60. Ke3 Qd3# 0-1

[Event "NED-ch U14"]
[Site "Rijswijk"]
[Date "2000.??.??"]
[Round "?"]
[White "Los, Fedor"]
[Black "Laarhoven, Thijs"]
[Result "0-1"]
[ECO "B35"]
[PlyCount "66"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 a6 8. 0-0 0-0 9. Re1 d6 10. Nde2 Bd7 11. Qd2 Ng4 12. Bf4 Qb6 13. Be3 Nxe3 14. Qxe3 Qxe3 15. fxe3 Rac8 16. a3 Kh8 17. Red1 f5 18. exf5 Bxf5 19. Bb3 Bg4 20. Rab1 Bxc3 21. bxc3 Bxe2 22. Re1 Bg4 23. h3 Bd7 24. e4 b5 25. Rf1 Rxf1+ 26. Rxf1 Ne5 27. g4 Kg7 28. g5 Rxc3 29. h4 Rf3 30. Re1 Rf4 31. Re3 Rxh4 32. Rc3 Rxe4 33. Kf2 Rg4 0-1

[Event "NED-ch U14"]
[Site "Rijswijk"]
[Date "2000.??.??"]
[Round "?"]
[White "Los, Fedor"]
[Black "Provoost, Simon"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "135"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bxf7 Nf6 8. Nc3 Nb4 9. Bb3 Nc6 10. Be3 Bg4 11. Nh4 Bb4 12. Bd2 g5 13. Nf3 Bxf3 14. gxf3 Nd4 15. 0-0-0 Ke7 16. a3 Ba5 17. Nd5+ Nxd5 18. Bxa5 Nb6 19. Bb4+ Kf6 20. Rd3 Rac8 21. Re1 c5 22. Bc3 c4 23. Bxd4 cxd3 24. Bc3 Rhd8 25. Kd2 dxc2+ 26. Kxc2 a5 27. Kb1 a4 28. Ba2 Nc4 29. Bxc4 Rxc4 30. Kc2 Rdc8 31. Rd1 R8c6 32. Rd5 R4c5 33. Rd7 b5 34. Kb1 Ke6 35. Rg7 Rc4 36. Rh7 Kf6 37. Rxh6+ Kg7 38. Rxc6 Rxc6 39. Bxe5+ Kg6 40. Bg3 Kh5 41. e5 g4 42. f4 Kg6 43. b3 Rc3 44. Kb2 Rxb3+ 45. Ka2 Kf5 46. Bh4 Rh3 47. Bg3 Rh8 48. Kb2 Rc8 49. Ka2 Rc3 50. Kb2 Rb3+ 51. Ka2 Ke6 52. Bh4 Kf5 53. Bg3 Rf3 54. Kb2 Rd3 55. Ka2 Rb3 56. Bh4 Kxf4 57. e6 Rc3 58. e7 Rc8 59. Kb2 Kf3 60. Ka2 Kg2 61. Bg3 Kf3 62. Kb2 Kg2 63. Ka2 Kf1 64. Kb2 Ke2 65. Ka2 Kd3 66. Bd6 Kc2 67. Bc7 Re8 68. Bd6 1/2-1/2

[Event "NED-ch U14"]
[Site "Rijswijk"]
[Date "2000.??.??"]
[Round "?"]
[White "Los, Fedor"]
[Black "Van der Zon, Stef"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "68"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. bxc3 d5 10. Bb3 Bf5 11. Re1 0-0 12. Bd2 h6 13. Rc1 b5 14. Be3 a6 15. Nd2 Nxc3 16. Rxc3 Qf6 17. Nf3 Qg6 18. Bc2 Bxc2 19. Qxc2 Qxc2 20. Rxc2 Nb4 21. Rxc7 Nxa2 22. Bd2 Rac8 23. Rxc8 Rxc8 24. Ra1 Rc2 25. Be3 b4 26. Rb1 a5 27. Kf1 a4 28. Ne1 Rc4 29. Ke2 Nc3+ 30. Kd3 Nxb1 31. Nf3 a3 32. Nd2 Nxd2 33. Bxd2 a2 34. Bc3 Rxc3+ 0-1

[Event "NED-ch U14"]
[Site "Rijswijk"]
[Date "2000.??.??"]
[Round "?"]
[White "Mekkes, Joel"]
[Black "Los, Fedor"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "36"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 c6 4. Nf3 cxd5 5. cxd5 Nxd5 6. d4 Bf5 7. Bc4 e6 8. 0-0 Nc6 9. Re1 Ndb4 10. Na3 Bd6 11. Bg5 Qb8 12. d5 Na5 13. Bb5+ Kf8 14. dxe6 Bxe6 15. h3 Be7 16. Bxe7+ Kxe7 17. Qd7+ Kf8 18. Qd2 Nac6 1/2-1/2

[Event "NED-ch U14"]
[Site "Rijswijk"]
[Date "2000.??.??"]
[Round "?"]
[White "Nabuurs, Mart"]
[Black "Los, Fedor"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "66"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Nc6 5. Bc4 Bg4 6. c3 e6 7. Bg5 Be7 8. Bxe7 Ncxe7 9. Nbd2 Qd7 10. Qb3 0-0-0 11. Ne5 Qe8 12. Nxg4 Nf4 13. Ne3 h5 14. g3 Nfg6 15. 0-0-0 Qc6 16. Bb5 Qb6 17. Ndc4 Qxb5 18. Qxb5 a6 19. Qb3 Nc6 20. d5 exd5 21. Rxd5 Rde8 22. Na5 Nxa5 23. Rxa5 h4 24. Qd1 hxg3 25. hxg3 Rhg8 26. Rd5 c6 27. Rd4 Ne5 28. Re4 f6 29. f4 Rd8 30. Rd4 Rxd4 31. Qxd4 Rd8 32. Qxd8+ Kxd8 33. fxe5 fxe5 1-0

[Event "NED-ch U14"]
[Site "Rijswijk"]
[Date "2000.??.??"]
[Round "?"]
[White "Oude Brunink, Elias"]
[Black "Los, Fedor"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "96"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d5 2. e5 Nc6 3. d4 Bf5 4. Bb5 e6 5. Be3 Bb4+ 6. Bd2 Bxd2+ 7. Nxd2 Nge7 8. Ngf3 0-0 9. 0-0 a6 10. Ba4 Bg4 11. c4 Nxd4 12. Rc1 Nxf3+ 13. Nxf3 c6 14. Qd3 Ng6 15. Qc3 Bxf3 16. Qxf3 Nxe5 17. Qe2 Nxc4 18. Rb1 Rb8 19. Bc2 Qf6 20. Qd3 Qg6 21. Qc3 Qf6 22. Qh3 Qh6 23. Qxh6 gxh6 24. Rfd1 Rbd8 25. Rd3 Rd7 26. Rh3 f6 27. Rxh6 Rff7 28. b3 Na3 29. Rc1 Nxc2 30. Rxc2 e5 31. Rc3 d4 32. Rg3+ Rg7 33. Rd3 Kf7 34. Kf1 e4 35. Rd2 d3 36. Rh4 f5 37. f3 Rd4 38. g3 e3 39. Rxd4 exd2 40. Rxd3 Ke6 41. Rxd2 b5 42. Rd4 Rd7 43. Rxd7 Kxd7 44. g4 f4 45. Ke2 Ke6 46. Kd3 Ke5 47. h4 c5 48. h5 h6 1/2-1/2

[Event "NED-ch U14"]
[Site "Rijswijk"]
[Date "2000.??.??"]
[Round "?"]
[White "Van der Bos, J."]
[Black "Los, Fedor"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "124"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 c6 4. Nc3 cxd5 5. d4 Nc6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Nxd4 9. Qd1 dxc4 10. Bxc4 Nc6 11. Qb3 e6 12. Qxb7 Nd4 13. Bb5+ Nxb5 14. Nxb5 Rb8 15. Nc7+ Kd7 16. Qf3 Qxc7 17. 0-0 Bd6 18. Rd1 Rhd8 19. Bg5 Ke7 20. Rac1 Qb7 21. Qe3 Rbc8 22. Rxc8 Rxc8 23. Qd3 Rd8 24. Bxf6+ gxf6 25. Kf1 f5 26. f4 a6 27. a4 Ke8 28. h4 Be7 29. Qe2 Rxd1+ 30. Qxd1 Qxb2 31. h5 Qb4 32. g3 Qc4+ 33. Kg2 f6 34. Qa1 Qe2+ 35. Kh3 Qxh5+ 36. Kg2 Qe2+ 37. Kh3 Kf7 38. Qb1 Qf3 39. Qe1 Bd6 40. Qd2 Qh1+ 41. Qh2 Qxh2+ 42. Kxh2 e5 43. Kg2 e4 44. Kf2 Ke6 45. Ke2 Kd5 46. Kd2 Kc4 47. Kc2 Kb4 48. a5 Kxa5 49. Kd2 Kb4 50. Kc2 a5 51. Kb2 e3 52. Kc2 a4 53. Kd3 Bc5 54. Kc2 a3 55. Kb1 e2 56. Ka2 Bb6 57. Kb1 e1Q+ 58. Kc2 Qe2+ 59. Kc1 Kb3 60. g4 Be3+ 61. Kb1 a2+ 62. Ka1 Bd4# 0-1

[Event "NED U12 op"]
[Site "Hengelo"]
[Date "1999.??.??"]
[Round "11"]
[White "Los, Fedor"]
[Black "Blees, Enrico"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "53"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 0-0 9. d5 Nxc3 10. bxc3 Bxc3 11. Rb1 Ne5 12. Nxe5 Bxe5 13. Bd3 b6 14. Qh5 Bxh2+ 15. Kxh2 g6 16. Qe5 d6 17. Qd4 Qe7 18. Bh6 f6 19. Bxf8 Qxf8 20. Kg1 Bd7 21. Rfe1 Re8 22. Rxe8 Qxe8 23. Rc1 Qf7 24. Be4 Kg7 25. Qc4 c5 26. dxc6 Be6 27. Qa6 1-0

[Event "NED U12 op"]
[Site "Hengelo"]
[Date "1999.??.??"]
[Round "12"]
[White "Los, Fedor"]
[Black "Brandenburg, Daan"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "72"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. Nc3 Bc5 6. Be3 Bxe3 7. fxe3 d6 8. 0-0 Bg4 9. d4 0-0 10. h3 Bh5 11. d5 Ne7 12. Be2 Ng6 13. Nh2 Bxe2 14. Qxe2 Qd7 15. Rad1 c6 16. dxc6 bxc6 17. Qf2 d5 18. exd5 cxd5 19. Nf3 Rad8 20. Nh4 Qb7 21. b3 Rc8 22. Na4 Ne4 23. Qe1 Nxh4 24. Qxh4 Rxc2 25. Qg4 h5 26. Qxh5 Ng3 27. Qxe5 Nxf1 28. Rxf1 d4 29. Qg3 dxe3 30. Qg5 e2 31. Re1 a6 32. Nc5 Qb6 33. b4 Qxb4 34. Nd7 Qxe1+ 35. Kh2 Qc3 36. Nxf8 Qc7+ 0-1

[Event "NED U12 op"]
[Site "Hengelo"]
[Date "1999.??.??"]
[Round "5"]
[White "Los, Fedor"]
[Black "Van Dommelen, Walter"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "35"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[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 Qe7 9. 0-0 Nxe4 10. Nxe4 Qxe4 11. Re1 Qxe1+ 12. Qxe1+ Ne7 13. h3 d6 14. Ng5 Rf8 15. Nxh7 Rg8 16. Ng5 Rf8 17. Qe3 Bd7 18. Re1 1-0

[Event "NED U12 op"]
[Site "Hengelo"]
[Date "1999.??.??"]
[Round "10"]
[White "Van Blokland, Tjerk"]
[Black "Los, Fedor"]
[Result "1/2-1/2"]
[ECO "C45"]
[PlyCount "45"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bb5 0-0 8. Ba4 b5 9. Bb3 Nxd4 10. Bxd4 Bxd4 11. cxd4 a6 12. 0-0 Bb7 13. f3 Nc6 14. d5 Ne7 15. Qc2 c6 16. dxc6 Nxc6 17. Nc3 Nd4 18. Qd1 Qb6 19. Kh1 Nxb3 20. Qxb3 Qc5 21. Nd5 Bxd5 22. Qxd5 Rac8 23. h3 1/2-1/2

[Event "NED U12 op"]
[Site "Hengelo"]
[Date "1999.??.??"]
[Round "8"]
[White "Vermeend, Joost"]
[Black "Los, Fedor"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "74"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. Nc3 Nf6 5. d3 d6 6. Be3 Bg4 7. h3 Bh5 8. Qd2 a6 9. a3 b5 10. Ba2 b4 11. Nd5 bxa3 12. Nxf6+ Bxf6 13. Bd5 0-0 14. Bxc6 axb2 15. Rb1 Rb8 16. g4 Bg6 17. h4 h5 18. g5 Be7 19. Ke2 f6 20. Rhg1 Bf7 21. Qc3 Kh8 22. g6 Bg8 23. Rxb2 Rxb2 24. Qxb2 Be6 25. Nh2 Bd7 26. Bd5 a5 27. Qc1 a4 28. Bh6 Qb8 29. Bd2 c6 30. Bc4 d5 31. exd5 cxd5 32. Bxd5 a3 33. Kf1 Qb5 34. Bc4 Qa4 35. Qa1 Bg4 36. Nxg4 a2 37. Bc3 Ra8 1-0

