[Event "Gijon op"]
[Site "Gijon"]
[Date "2002.??.??"]
[Round "2"]
[White "Couceiro Perez, Eloy"]
[Black "Fernandez Sierra, Sergio"]
[Result "0-1"]
[ECO "C16"]
[PlyCount "92"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 Nd7 7. Nf3 0-0 8. Bd3 c5 9. Be3 Qa5 10. Ra2 cxd4 11. Bxd4 Nc5 12. Qd2 Bd7 13. 0-0 Rac8 14. Rb1 Rc7 15. c4 Qxd2 16. Nxd2 b6 17. cxd5 Nxd5 18. Bxc5 Rxc5 19. Ne4 Rc7 20. Bb5 Bxb5 21. Rxb5 Rfc8 22. Rbb2 Ne7 23. Nd6 Rd8 24. Ra1 Ng6 25. Re1 Nxe5 26. Rxe5 Rxd6 27. Kf1 Rd2 28. Re2 Rxe2 29. Kxe2 Kf8 30. Kd2 Ke7 31. Rb3 f5 32. Rc3 Rxc3 33. Kxc3 Kd6 34. Kd4 e5+ 35. Kd3 Kc5 36. f3 b5 37. c3 a6 38. g3 g6 39. h3 h6 40. h4 h5 41. Kd2 Kc4 42. Kc2 a5 43. Kb2 e4 44. fxe4 fxe4 45. Kc2 e3 46. Kd1 Kd3 0-1

[Event "Gijon op"]
[Site "Gijon"]
[Date "2002.??.??"]
[Round "3"]
[White "Fernandez Sierra, Sergio"]
[Black "Alvarez Fernandez, Jose Manuel"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "24"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 a6 4. c4 Nf6 5. Nc3 d5 6. cxd5 Nxd5 7. Nf3 Ndb4 8. Rc1 Bg4 9. Be2 Nd3+ 10. Bxd3 Qxd3 11. Qc2 Qd7 12. Ng1 Nb4 0-1

[Event "Gijon op"]
[Site "Gijon"]
[Date "2002.??.??"]
[Round "1"]
[White "Fernandez Sierra, Sergio"]
[Black "Garcia Magadan, Ramon"]
[Result "1/2-1/2"]
[ECO "A01"]
[PlyCount "66"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 a6 4. c4 Nf6 5. d4 exd4 6. exd4 d5 7. cxd5 Nxd5 8. Nf3 Bb4+ 9. Nbd2 0-0 10. Be2 Nc3 11. Bxc3 Bxc3 12. Rc1 Bxd4 13. Nxd4 Nxd4 14. 0-0 Nxe2+ 15. Qxe2 Re8 16. Qd1 Bf5 17. Qf3 Bg6 18. Nc4 Qg5 19. Ne3 Be4 20. Qh3 Bc6 21. Rc3 Re6 22. Rfc1 Rh6 23. Qf5 Qh4 24. h3 Rf6 25. Qc2 Re6 26. Rc4 Qe7 27. Nf5 Re1+ 28. Rxe1 Qxe1+ 29. Kh2 Qe5+ 30. Ng3 Re8 31. Qd2 Bd5 32. Rc5 c6 33. Rc3 b6 1/2-1/2

[Event "Asturias-ch Primera B"]
[Site "Norena"]
[Date "2001.03.31"]
[Round "7.25"]
[White "Chicon Perez, Jorge"]
[Black "Fernandez Sierra, Sergio"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "65"]
[EventDate "2001.02.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 b6 6. Be2 Nge7 7. Bg5 Qc7 8. Na3 Ng6 9. 0-0 cxd4 10. Nb5 Qb8 11. cxd4 a6 12. Nc3 Be7 13. Bxe7 Ngxe7 14. Bd3 Bd7 15. Rc1 b5 16. a3 b4 17. Na4 Qa7 18. Nc5 a5 19. Bb5 0-0 20. Bd3 Ng6 21. h4 Nce7 22. g3 f5 23. exf6 Rxf6 24. h5 Nh8 25. Ng5 h6 26. Nh7 Rf7 27. axb4 Rb8 28. Na6 Rb7 29. bxa5 Qxd4 30. Ng5 Rf5 31. Bxf5 Qxd1 32. Bh7+ Kf8 33. Nxe6+ 1-0

[Event "Asturias-ch Primera B"]
[Site "Norena"]
[Date "2001.03.24"]
[Round "6.35"]
[White "Fernandez Sierra, Sergio"]
[Black "Fernandez Gradin, Damian"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "61"]
[EventDate "2001.02.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Bc5 4. Bb5 Nge7 5. Ne2 a6 6. Bxc6 Nxc6 7. c4 d6 8. Nbc3 0-0 9. 0-0 Qg5 10. Ne4 Qe7 11. Nxc5 dxc5 12. Qc2 b6 13. Qe4 Bd7 14. Nc3 Rfe8 15. Nd5 Qd8 16. f4 f6 17. fxe5 Nxe5 18. Qh4 c6 19. Nf4 g5 20. Qh6 gxf4 21. Rxf4 Re7 22. Qxf6 Ng6 23. Raf1 Qf8 24. Qg5 Qe8 25. h4 Rg7 26. Bxg7 Nxf4 27. Bb2+ Ng6 28. h5 Qe6 29. hxg6 Qxg6 30. Qe5 Bf5 31. Rxf5 1-0

[Event "Asturias-ch Primera B"]
[Site "Norena"]
[Date "2001.03.17"]
[Round "5.24"]
[White "Blanco Fernandez, Miguel"]
[Black "Fernandez Sierra, Sergio"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "95"]
[EventDate "2001.02.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bg4 3. Nf3 Bxf3 4. exf3 e6 5. Be2 Nf6 6. 0-0 c5 7. d4 cxd4 8. Bxd4 Nc6 9. Bb5 Rc8 10. Nd2 a6 11. Bxc6+ Rxc6 12. c4 Be7 13. Rc1 0-0 14. Be5 dxc4 15. Nxc4 Qd5 16. Qxd5 Nxd5 17. Na5 Rxc1 18. Rxc1 f6 19. Nc6 Bc5 20. Bd4 Rc8 21. Bxc5 Rxc6 22. Ba3 Rxc1+ 23. Bxc1 Nc3 24. Be3 b5 25. a3 Kf8 26. Kf1 g6 27. Bd4 Nb1 28. Ke2 Ke8 29. Bb2 a5 30. b4 a4 31. Kd1 Kd7 32. Kc2 Nxa3+ 33. Bxa3 Kc6 34. Kd3 Kd5 35. f4 f5 36. Bb2 h6 37. h4 h5 38. f3 Kc6 39. Kd4 Kd6 40. Ba3 Kc6 41. Ke5 Kd7 42. Bb2 Ke7 43. g3 Kd7 44. Kf6 Kd6 45. Kxg6 Kd5 46. Kxh5 Kc4 47. Kg5 Kxb4 48. h5 1-0

[Event "Asturias-ch Primera B"]
[Site "Norena"]
[Date "2001.03.10"]
[Round "4.27"]
[White "Fernandez Sierra, Sergio"]
[Black "Rodriguez Ramos, Santiago"]
[Result "1/2-1/2"]
[ECO "A06"]
[PlyCount "58"]
[EventDate "2001.02.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bg4 3. Nf3 Bxf3 4. exf3 c6 5. f4 e6 6. d3 Qd7 7. Nd2 f6 8. Qh5+ g6 9. Qh3 Bg7 10. Nf3 Qe7 11. Be2 Nd7 12. 0-0 f5 13. Ne5 Ngf6 14. Qe3 c5 15. c3 Nxe5 16. fxe5 Nd7 17. d4 0-0 18. Rac1 b6 19. f4 cxd4 20. Qxd4 Nc5 21. c4 Rfd8 22. Rfd1 Rac8 23. Ba3 Bh6 24. g3 Bf8 25. cxd5 Rxd5 26. Qb4 Rxd1+ 27. Rxd1 Rd8 28. Rxd8 Qxd8 29. Qc4 Qe7 1/2-1/2

[Event "Asturias-ch Primera B"]
[Site "Norena"]
[Date "2001.03.03"]
[Round "3.9"]
[White "Lazcano Arguelles, David"]
[Black "Fernandez Sierra, Sergio"]
[Result "1-0"]
[ECO "D20"]
[PlyCount "53"]
[EventDate "2001.02.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e6 4. Bxc4 Nf6 5. Nc3 Nc6 6. Nf3 a6 7. a3 b5 8. Bb3 Bb7 9. 0-0 Be7 10. Re1 Na5 11. Bc2 Nc4 12. b3 Nb6 13. Bf4 c5 14. Qe2 cxd4 15. Red1 Qc8 16. Na2 Bxa3 17. Nxd4 Be7 18. Bd3 0-0 19. Rac1 Qd7 20. Rc7 Qxd4 21. Rxb7 Nc8 22. Be3 Qe5 23. f3 Bd6 24. f4 Qh5 25. Qxh5 Nxh5 26. e5 Nxf4 27. Bxf4 1-0

[Event "Asturias-ch Primera B"]
[Site "Norena"]
[Date "2001.02.24"]
[Round "2.27"]
[White "Fernandez Sierra, Sergio"]
[Black "Bernaldo de Quiros, Maria Raquel"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "53"]
[EventDate "2001.02.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. d4 e4 6. c4 Bb4+ 7. Nc3 a6 8. cxd5 Qxd5 9. Bxc6+ bxc6 10. Nge2 Bxc3+ 11. Bxc3 Bg4 12. Qc2 Bxe2 13. Qxe2 Nf6 14. Bb4 a5 15. Bc5 Nd7 16. Rc1 f6 17. 0-0 Kf7 18. Qg4 Rhd8 19. Rc2 Rab8 20. Rfc1 Rb5 21. Ba3 Rb6 22. Qf4 Ne5 23. h3 Nd7 24. Qxc7 Re8 25. Rxc6 Rxc6 26. Rxc6 Re6 27. Bd6 1-0

[Event "Asturias-ch Primera B"]
[Site "Norena"]
[Date "2001.02.17"]
[Round "1.40"]
[White "Guerrero Olmos, Sergio"]
[Black "Fernandez Sierra, Sergio"]
[Result "1/2-1/2"]
[ECO "D26"]
[PlyCount "156"]
[EventDate "2001.02.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. 0-0 cxd4 7. Nxd4 Qc7 8. b3 Nc6 9. Nxc6 Qxc6 10. Na3 a6 11. Nc2 b5 12. Be2 Bb7 13. Bf3 Qc7 14. Bxb7 Qxb7 15. Nd4 Bd6 16. Qf3 Qxf3 17. Nxf3 0-0 18. Bb2 Nd5 19. Rfd1 Rfd8 20. Rac1 Be7 21. Nd4 h6 22. Nc6 Re8 23. Nxe7+ Nxe7 24. Rd7 Nd5 25. e4 Nf4 26. Rcc7 Red8 27. g3 Nd3 28. Rxf7 Nxb2 29. Rxg7+ Kf8 30. Rh7 Kg8 31. Rxh6 Rd1+ 32. Kg2 Rad8 33. Rxe6 R1d2 34. Rg6+ Kf8 35. Rf6+ Kg8 36. e5 Nd1 37. e6 Ne3+ 38. Kf3 Nd5 39. Rg6+ Kh8 40. Rd7 Rxd7 41. exd7 Nc7 42. Ke3 Rxd7 43. f4 Kh7 44. Rc6 Nd5+ 45. Kf3 Nb4 46. Re6 Nxa2 47. Rxa6 Rd3+ 48. Ke4 Nb4 49. Rb6 Rxb3 50. Rxb5 Rb1 51. Rb7+ Kg6 52. f5+ Kf6 53. Rb6+ Kf7 54. Rh6 Re1+ 55. Kf4 Nd5+ 56. Kg5 Rf1 57. Rh7+ Kg8 58. Rd7 Nb6 59. Rb7 Nd5 60. Kg6 Kf8 61. Rb5 Ne7+ 62. Kg5 Kf7 63. h4 Rd1 64. h5 Rd8 65. g4 Rg8+ 66. Kf4 Rh8 67. Kg5 Rg8+ 68. Kh4 Rh8 69. g5 Rd8 70. g6+ Kf6 71. Rb4 Nxf5+ 72. Kg4 Ne3+ 73. Kf3 Nd5 74. Rg4 Kg7 75. Rh4 Kh6 76. Rh1 Nf6 77. Kf4 Nxh5+ 78. Kg4 Rd5 1/2-1/2

[Event "Asturias-ch Primera B"]
[Site "Gijon"]
[Date "2000.??.??"]
[Round "3"]
[White "Bernaldo de Quiros, Maria Raquel"]
[Black "Fernandez Sierra, Sergio"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "53"]
[EventDate "2000.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[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. Be3 c6 5. c3 Nf6 6. Nf3 Bg4 7. Bd3 Nbd7 8. Nbd2 Bd6 9. 0-0 Qc7 10. Qc2 0-0 11. Rfe1 Rfe8 12. h3 Bh5 13. Bf5 Bg6 14. Bxg6 fxg6 15. c4 Bf4 16. Bxf4 Qxf4 17. cxd5 Nxd5 18. Re4 Rxe4 19. Qxe4 Qxe4 20. Nxe4 N7f6 21. Re1 Nb4 22. a3 Nd3 23. Nxf6+ gxf6 24. Re2 Nf4 25. Re3 Nd5 26. Re2 Kf7 27. Kf1 1/2-1/2

[Event "Asturias-ch Primera B"]
[Site "Gijon"]
[Date "2000.??.??"]
[Round "1"]
[White "De Juan Rodriguez, Roberto"]
[Black "Fernandez Sierra, Sergio"]
[Result "1/2-1/2"]
[ECO "D26"]
[PlyCount "57"]
[EventDate "2000.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. e3 Nf6 5. Bxc4 Bd6 6. Nc3 a6 7. e4 Be7 8. Bg5 0-0 9. e5 Nfd7 10. Bxe7 Qxe7 11. Qc2 Nb6 12. Bd3 h6 13. Rc1 Nc6 14. a3 Rd8 15. Ne2 Qd7 16. Be4 Nd5 17. Bxd5 Qxd5 18. 0-0 Bd7 19. Rfd1 Rac8 20. Nc3 Qa5 21. d5 Ne7 22. dxe6 Bxe6 23. Rxd8+ Rxd8 24. Na4 Rc8 25. Nc5 Qb6 26. Nxe6 Qxe6 27. Rd1 Nc6 28. Qe4 Qb3 29. Qe2 1/2-1/2

[Event "Asturias-ch Primera B"]
[Site "Gijon"]
[Date "2000.??.??"]
[Round "5"]
[White "Fernandez Sierra, Sergio"]
[Black "Cachero Ramirez, Enol"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "103"]
[EventDate "2000.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nc6 3. e3 e5 4. Bb5 Bd6 5. c4 Nf6 6. cxd5 Nxd5 7. Qf3 Nde7 8. Nc3 0-0 9. Nge2 a6 10. Bd3 f5 11. Bc4+ Kh8 12. 0-0 e4 13. Qh5 Ne5 14. Nxe4 fxe4 15. Bxe5 Rf5 16. Bxg7+ Kxg7 17. Qg4+ Ng6 18. Qxe4 Qh4 19. Qxh4 Nxh4 20. Rac1 Rg5 21. Ng3 Ra5 22. Rc2 Nf5 23. Ne4 Bd7 24. Nxd6 Nxd6 25. Be2 c6 26. d4 Bf5 27. Rb2 Nb5 28. Rc1 Nc7 29. Bf3 Re8 30. Rc3 Nd5 31. Bxd5 Rxd5 32. h3 Rc8 33. b4 Kf6 34. a3 Ke7 35. Re2 Be6 36. f4 a5 37. bxa5 Rxa5 38. Rb2 Rb5 39. Rxb5 cxb5 40. Rxc8 Bxc8 41. Kf2 Bf5 42. g4 Be4 43. g5 Kd6 44. Kg3 Kd5 45. Kg4 Kc4 46. f5 Kb3 47. f6 Bd5 48. e4 Be6+ 49. Kf4 Kxa3 50. d5 b4 51. dxe6 b3 52. f7 1-0

[Event "Asturias-ch Primera B"]
[Site "Gijon"]
[Date "2000.??.??"]
[Round "4"]
[White "Fernandez Sierra, Sergio"]
[Black "Casais Rodriguez, Santiago"]
[Result "0-1"]
[ECO "A06"]
[PlyCount "86"]
[EventDate "2000.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b3 Nc6 2. Bb2 d5 3. e3 e6 4. Nf3 Nf6 5. c4 dxc4 6. Bxc4 Be7 7. 0-0 0-0 8. Nc3 a6 9. Qc2 b5 10. Be2 Bb7 11. Ne4 Nb4 12. Nxf6+ Bxf6 13. Qc1 Bxb2 14. Qxb2 Rc8 15. d4 Qf6 16. Ne5 Rfd8 17. Qd2 Nd5 18. Bf3 c6 19. Nd3 Ne7 20. Nc5 Ba8 21. Qa5 Nf5 22. Qxa6 Nh4 23. Be4 Re8 24. Qa3 Qg5 25. g3 f5 26. Bg2 Nxg2 27. Kxg2 e5 28. dxe5 Rxe5 29. Rac1 Qe7 30. Rfd1 Rd8 31. Rxd8+ Qxd8 32. Qb2 Qd6 33. Qc3 h5 34. b4 Rd5 35. Qa3 Qd8 36. Ne6 Qc8 37. Nf4 Rd6 38. Qb3+ Kh7 39. h4 c5+ 40. Kg1 c4 41. Qc3 Qc6 42. Kf1 Qh1+ 43. Ke2 Bf3# 0-1

[Event "Asturias-ch Primera B"]
[Site "Gijon"]
[Date "2000.??.??"]
[Round "2"]
[White "Fernandez Sierra, Sergio"]
[Black "Fernandez Fernandez, Alfredo"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "91"]
[EventDate "2000.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 d6 3. c4 Nf6 4. d4 Nc6 5. dxe5 Nxe5 6. e3 Be7 7. Be2 0-0 8. Nf3 Nxf3+ 9. Bxf3 Re8 10. 0-0 Nd7 11. Nc3 Bf6 12. Qc2 Ne5 13. Be4 Ng6 14. Bd3 c6 15. h3 Be6 16. Rfd1 Qd7 17. Ne4 Bxb2 18. Qxb2 Nh4 19. Ng5 Bf5 20. Qd4 Bxd3 21. Qxd3 Nf5 22. g4 h6 23. Nf3 Ne7 24. Qxd6 Qxd6 25. Rxd6 Ng6 26. Rd7 b5 27. Rc1 b4 28. Rc7 Rec8 29. Rxc8+ Rxc8 30. Rd1 c5 31. Rd7 Ra8 32. Rc7 a5 33. Rxc5 Nf8 34. Nd4 Nd7 35. Rb5 Nb8 36. Kg2 g6 37. Kf3 Kf8 38. Ke4 Ke8 39. f4 Ke7 40. f5 g5 41. Rxb8 Rxb8 42. Nc6+ Kd6 43. Nxb8 Kc7 44. Na6+ Kb6 45. Nxb4 axb4 46. Kd5 1-0

[Event "Asturias-ch Primera B"]
[Site "Gijon"]
[Date "2000.??.??"]
[Round "7"]
[White "Fernandez Sierra, Sergio"]
[Black "Garcia Arias, Jose Silvino"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "85"]
[EventDate "2000.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b3 b6 2. Bb2 Bb7 3. c4 e6 4. Nc3 Nf6 5. e3 Be7 6. Nf3 0-0 7. Be2 d5 8. cxd5 Nxd5 9. 0-0 Bf6 10. Qc2 Nxc3 11. Bxc3 Nd7 12. Bxf6 Nxf6 13. d4 Be4 14. Qc3 Nd5 15. Qc4 Rc8 16. Ne5 c5 17. dxc5 Bxg2 18. Kxg2 Qg5+ 19. Ng4 Rxc5 20. Qd4 f5 21. Qe5 Qg6 22. Kh1 Nc3 23. Nf6+ Rxf6 24. Qb8+ Rf8 25. Qxa7 Nxe2 26. Qxb6 Rfc8 27. Qa6 f4 28. Qxe2 Qe4+ 29. f3 Qxe3 30. Qg2 Rc1 31. Raxc1 Rxc1 32. Rxc1 Qxc1+ 33. Qg1 Qxg1+ 34. Kxg1 Kf7 35. Kf2 e5 36. Ke2 Ke6 37. Kd3 Kd5 38. a4 g5 39. a5 Kc5 40. h3 h5 41. b4+ Kb5 42. Ke4 g4 43. fxg4 1-0

[Event "Asturias-ch Primera B"]
[Site "Gijon"]
[Date "2000.??.??"]
[Round "8"]
[White "Perez Huerta, Alberto"]
[Black "Fernandez Sierra, Sergio"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "51"]
[EventDate "2000.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. e3 e6 3. Bd3 c5 4. c3 Nf6 5. Nd2 Nc6 6. f4 Be7 7. Ngf3 cxd4 8. exd4 0-0 9. 0-0 Qc7 10. Ne5 a6 11. g4 b5 12. Rf3 b4 13. Rh3 g6 14. g5 Nh5 15. Rxh5 gxh5 16. Qxh5 f5 17. gxf6 Bxf6 18. Nxc6 Rf7 19. Ne5 Rg7+ 20. Kh1 Bb7 21. cxb4 Qb6 22. Nb3 Qxb4 23. Bd2 Qe7 24. Nc5 Qd6 25. Nxb7 Rxb7 26. Rg1+ 1-0

[Event "Asturias-ch Primera B"]
[Site "Gijon"]
[Date "2000.??.??"]
[Round "6"]
[White "Zuazua Iglesias, Fernando"]
[Black "Fernandez Sierra, Sergio"]
[Result "1-0"]
[ECO "C15"]
[PlyCount "65"]
[EventDate "2000.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[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. Bd2 Bxc3 5. Bxc3 dxe4 6. Qg4 Qf6 7. 0-0-0 Ne7 8. Bc4 Qg6 9. Qf4 Qxg2 10. Ne2 Ng6 11. Qxc7 0-0 12. d5 Qg5+ 13. Kb1 Qe7 14. Qg3 exd5 15. Bxd5 Be6 16. h4 f6 17. Bxe6+ Qxe6 18. Nd4 Qb6 19. Nf5 Qc5 20. Qg4 Qc7 21. Qxe4 Nc6 22. Qg2 Qf4 23. Nd4 Nxd4 24. Rxd4 Qc7 25. Rg1 Rf7 26. Rg4 Rd8 27. Qf3 Ne5 28. Bxe5 Qxe5 29. Re4 Qc7 30. Rge1 Rc8 31. Qb3 Kf8 32. Qb4+ Kg8 33. Re8+ 1-0

[Event "Asturias-ch U18 Absoluto"]
[Site "Gijon"]
[Date "1999.??.??"]
[Round "6"]
[White "Fernandez Baniago, Francisco Javier"]
[Black "Fernandez Sierra, Sergio"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "116"]
[EventDate "1999.12.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[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. Nf3 Nf6 5. Bd3 Bg4 6. 0-0 Bd6 7. Re1+ Be7 8. Bf4 0-0 9. Nbd2 Nbd7 10. c3 c6 11. Qc2 Bh5 12. Re2 Bg6 13. Rae1 Bxd3 14. Qxd3 Re8 15. Nf1 Ne4 16. Ng3 Ndf6 17. Nd2 Nxd2 18. Qxd2 Bd6 19. Rxe8+ Nxe8 20. Rxe8+ Qxe8 21. Bxd6 Qe6 22. Bf4 h6 23. Qe3 Qg6 24. Qc1 Re8 25. Be3 Qd3 26. a3 Re6 27. h3 g5 28. Qd2 Qg6 29. f4 gxf4 30. Bxf4 Kh7 31. Ne2 Qf5 32. Ng3 Qg6 33. Ne2 Qf5 34. Kh2 Rxe2 35. Qxe2 Qxf4+ 36. Kg1 Qe4 37. Kf2 Qxe2+ 38. Kxe2 Kg6 39. Kf3 Kg5 40. g3 h5 41. Ke3 f6 42. Kf3 Kf5 43. h4 a6 44. a4 a5 45. b3 b5 46. Kf2 Kg4 47. Kg2 f5 48. Kf2 f4 49. gxf4 Kxf4 50. Kg2 Kg4 51. Kh2 Kxh4 52. Kg2 Kg4 53. Kh2 h4 54. Kg2 bxa4 55. bxa4 Kf4 56. Kh3 Ke3 57. Kxh4 Kd3 58. Kg4 Kxc3 0-1

[Event "Asturias-ch U18 Absoluto"]
[Site "Gijon"]
[Date "1999.??.??"]
[Round "5"]
[White "Fernandez Diaz, Ignacio"]
[Black "Fernandez Sierra, Sergio"]
[Result "1/2-1/2"]
[ECO "D35"]
[PlyCount "53"]
[EventDate "1999.12.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 Bg4 8. Qc2 Nbd7 9. Nge2 Qc7 10. Rc1 0-0 11. Bxh7+ Nxh7 12. Bxe7 Rfe8 13. Bh4 Re6 14. Nxd5 Qa5+ 15. Ndc3 Rh6 16. Bg3 Nhf6 17. Qa4 Qf5 18. Qc2 Qa5 19. f3 Be6 20. 0-0 Re8 21. e4 Nh5 22. Nf4 Nxg3 23. hxg3 Bc4 24. Rfe1 Qg5 25. Nce2 Bxe2 26. Qxe2 Qxg3 27. Nd3 1/2-1/2

[Event "Asturias-ch U18 Absoluto"]
[Site "Gijon"]
[Date "1999.??.??"]
[Round "3"]
[White "Fernandez Sierra, Sergio"]
[Black "Gutierrez Barrientos, Pablo"]
[Result "1/2-1/2"]
[ECO "A01"]
[PlyCount "85"]
[EventDate "1999.12.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nc6 3. e3 e6 4. Nf3 Nf6 5. c4 Be7 6. d4 0-0 7. Bd3 Bd7 8. 0-0 Re8 9. Nc3 Rc8 10. h3 a6 11. Nh2 Nb4 12. Be2 c5 13. dxc5 dxc4 14. Bxc4 Bxc5 15. Ng4 b5 16. Be2 Be7 17. a3 Nbd5 18. Nxd5 Nxd5 19. Qd3 f5 20. Ne5 Bf6 21. Bd4 Qc7 22. Rfc1 Qd6 23. Nxd7 Bxd4 24. Qxd4 Qxd7 25. b4 Rc7 26. Bf3 Rec8 27. Rxc7 Rxc7 28. Bxd5 Qxd5 29. Qxd5 exd5 30. g4 fxg4 31. hxg4 Kf7 32. Kg2 Ke6 33. f4 Rc3 34. Kf2 d4 35. exd4 Kd5 36. a4 Kxd4 37. axb5 axb5 38. Ra7 Kc4 39. Rxg7 Kxb4 40. Rxh7 Rc4 41. Kf3 Kc3 42. Re7 b4 43. Re3+ 1/2-1/2

[Event "Asturias-ch U18 Absoluto"]
[Site "Gijon"]
[Date "1999.??.??"]
[Round "1"]
[White "Fernandez Sierra, Sergio"]
[Black "Morilla Morilla, Candido"]
[Result "0-1"]
[ECO "A13"]
[PlyCount "70"]
[EventDate "1999.12.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 e6 3. e3 Nf6 4. Nf3 Bd6 5. c4 0-0 6. Nc3 Nbd7 7. Qc2 Nb6 8. d3 Bd7 9. Be2 dxc4 10. dxc4 Qe7 11. 0-0 Ba3 12. Bxa3 Qxa3 13. Ne4 Nxe4 14. Qxe4 Bc6 15. Qh4 h6 16. Ne5 Qb2 17. Nxc6 Qxe2 18. Nd4 Qd3 19. Rfd1 Qg6 20. Nf3 Qf5 21. h3 a5 22. Rd2 a4 23. Rad1 axb3 24. axb3 Nc8 25. Rd8 Nd6 26. Rxf8+ Rxf8 27. Nd4 Qe5 28. Qe7 Qa5 29. Qd7 Ra8 30. Rc1 Qd2 31. Rf1 Qa5 32. Rc1 Ne4 33. Qb5 Qd2 34. Rf1 Nxf2 35. Rxf2 Ra1+ 0-1

[Event "Asturias-ch U18 Absoluto"]
[Site "Gijon"]
[Date "1999.??.??"]
[Round "7"]
[White "Fernandez Sierra, Sergio"]
[Black "Ortiz Fernandez, Vega Alejandro"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "120"]
[EventDate "1999.12.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Nf3 d6 5. Be2 Be7 6. c4 0-0 7. 0-0 a5 8. Nc3 Re8 9. h3 Bf8 10. d3 g6 11. Qd2 Bg7 12. Rfd1 Ne7 13. Rac1 Nd7 14. d4 exd4 15. Nxd4 Nc6 16. Nf3 Nc5 17. Ra1 Bf5 18. Nd5 Ne4 19. Qc1 f6 20. Nh2 Ne5 21. Nf3 c6 22. Nc3 Nxc3 23. Qxc3 Qc7 24. Qd4 Rad8 25. Qh4 c5 26. Rd2 Qe7 27. Rad1 b6 28. Ne1 Kf7 29. Nc2 h6 30. Na3 Rd7 31. Nb5 Red8 32. Nc3 Be6 33. Nd5 Bxd5 34. Rxd5 f5 35. Qg3 Bf6 36. R5d2 Bg7 37. Bf3 Nxf3+ 38. Qxf3 Bxb2 39. Rxb2 Qe4 40. Qxe4 fxe4 41. Rbd2 Ke6 42. Rd5 Rf8 43. R1d2 Ra8 44. g4 Rh8 45. Kg2 Rf8 46. h4 Rf3 47. h5 g5 48. a4 Ke7 49. Rd1 Rf6 50. R1d2 Kd8 51. Ra2 Kc7 52. Rad2 Rdf7 53. Ra2 Re7 54. Rad2 Re5 55. Rd1 Rfe6 56. R1d2 Kc6 57. Rd1 Rf6 58. R1d2 Rxd5 59. Rxd5 Kd7 60. Rd2 Ke6 0-1

[Event "Asturias-ch U18a"]
[Site "Asturias"]
[Date "1998.??.??"]
[Round "1"]
[White "Alonso Alvarez, Aitor"]
[Black "Fernandez Sierra, Sergio"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "49"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Bg5 Be7 6. Nf3 Bg4 7. Nbd2 c6 8. c3 Nbd7 9. Qc2 Bh5 10. 0-0 Bg6 11. Rfe1 0-0 12. Re2 Bd6 13. Rae1 Qc7 14. Bxg6 hxg6 15. Bh4 Ng4 16. Bg3 Nh6 17. Bxd6 Qxd6 18. Ne5 Rfe8 19. Ndf3 Re7 20. Nxd7 Rxe2 21. Qxe2 Qxd7 22. Qe7 Rd8 23. Qxd7 Rxd7 24. Re8+ Kh7 25. Ng5# 1-0

[Event "Asturias-ch U18a"]
[Site "Asturias"]
[Date "1998.??.??"]
[Round "2"]
[White "Fernandez Sierra, Sergio"]
[Black "De la Fuente Gonzalez, Cristina"]
[Result "0-1"]
[ECO "B20"]
[PlyCount "123"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. Nf3 Bg7 5. d3 d6 6. Be2 Nf6 7. 0-0 0-0 8. Be3 Re8 9. Qd2 Bd7 10. Bh6 Bh8 11. Qg5 Qc7 12. Qh4 Nd4 13. Be3 Nxe2+ 14. Nxe2 Bg4 15. Qg3 Qd7 16. h3 Bxf3 17. Qxf3 b5 18. b3 a5 19. d4 bxc4 20. bxc4 Qc6 21. Nc3 cxd4 22. Bxd4 Qxc4 23. Qe3 d5 24. e5 Nd7 25. Rfc1 e6 26. Ne2 Qa6 27. Rc7 Red8 28. Ng3 Rac8 29. Rac1 Bg7 30. R1c6 Qa8 31. Qc3 Rxc7 32. Rxc7 Qb8 33. Kh2 a4 34. f4 Nb6 35. Qc6 Nc4 36. Rb7 Qc8 37. Qb5 Bh6 38. Ne2 Na5 39. Ra7 Nc6 40. Rxa4 Nxd4 41. Rxd4 Qc2 42. a4 Ra8 43. a5 Qc7 44. Ra4 Qa7 45. a6 Rb8 46. Qc6 Rb6 47. Qxb6 Qxb6 48. a7 Qd8 49. a8Q Qxa8 50. Rxa8+ Kg7 51. Kg3 f6 52. Ra7+ Kg8 53. exf6 Bf8 54. Kf3 Bc5 55. g4 Bxa7 56. g5 Kf7 57. Nc3 Bc5 58. Nb5 Bf8 59. Ke3 h6 60. h4 h5 61. Kd4 Bb4 62. Ke5 0-1

[Event "Asturias-ch U18a"]
[Site "Asturias"]
[Date "1998.??.??"]
[Round "4"]
[White "Fernandez Sierra, Sergio"]
[Black "Dominguez Santos, Angel Manuel"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "54"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. d3 d6 3. f4 Nc6 4. Nf3 Nf6 5. Be2 Be7 6. 0-0 0-0 7. Qe1 Nd4 8. Nxd4 exd4 9. Qg3 c5 10. f5 Qa5 11. Bh6 Ne8 12. f6 Bxf6 13. Rxf6 Qb6 14. b3 Qd8 15. Rf1 f6 16. Bd2 Rf7 17. Na3 Be6 18. Bh5 g6 19. Bg4 Ng7 20. Bxe6 Nxe6 21. Rf2 g5 22. Raf1 Rc8 23. Nc4 Rc6 24. Rf3 b5 25. Nb2 Ra6 26. a4 bxa4 27. Nxa4 Rc6 1-0

[Event "Asturias-ch U18a"]
[Site "Asturias"]
[Date "1998.??.??"]
[Round "3"]
[White "Gonzalez Ramirez, Antonio D"]
[Black "Fernandez Sierra, Sergio"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "103"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. Qe2 dxe4 4. Qxe4 Nf6 5. Qf4 Bd6 6. Qc4 0-0 7. d3 Nc6 8. a3 h6 9. Nf3 a6 10. Qh4 Ne7 11. g4 Ng6 12. Qh3 e5 13. Ne4 Bxg4 14. Nxf6+ Qxf6 15. Qxg4 Rfe8 16. Nd2 Bc5 17. Ne4 Qc6 18. Nxc5 Qxh1 19. Qg2 Qxg2 20. Bxg2 a5 21. Bxb7 Rab8 22. Be4 Nf4 23. Na4 Re6 24. Bd2 Rb5 25. c4 Rb8 26. Bxa5 c6 27. 0-0-0 Ne2+ 28. Kb1 Ra8 29. Nc5 Rxa5 30. Nxe6 fxe6 31. Bxc6 Ra6 32. Bb5 Rb6 33. Re1 Nd4 34. Rxe5 Kf7 35. a4 Kf6 36. Re4 Nb3 37. Kc2 Nc5 38. Re1 Rd6 39. Rd1 Ke7 40. a5 Kd8 41. Kc3 Kc7 42. Kb4 Nxd3+ 43. Kc3 Nxf2 44. Rxd6 Ne4+ 45. Kd4 Nxd6 46. a6 Nf7 47. b4 e5+ 48. Ke4 g5 49. Ba4 Kb6 50. b5 Nd6+ 51. Kd5 Nxc4 52. Kxc4 1-0

[Event "Asturias-ch U18a"]
[Site "Asturias"]
[Date "1998.??.??"]
[Round "5"]
[White "Lopez Cadenas, Senen"]
[Black "Fernandez Sierra, Sergio"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "60"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 cxd4 6. cxd4 Nge7 7. Nc3 Qb6 8. Be2 Nf5 9. Na4 Qc7 10. 0-0 Be7 11. a3 0-0 12. g4 Nh4 13. Nxh4 Bxh4 14. g5 Qd8 15. Qd2 Ne7 16. Bd3 Ng6 17. f4 b6 18. Rf3 Bd7 19. Nc3 a5 20. Rh3 f5 21. gxf6 Bxf6 22. exf6 Qxf6 23. Bxg6 Qxg6+ 24. Rg3 Qf5 25. Qg2 g6 26. Rg5 Qd3 27. Ne2 Rac8 28. Qf1 Bb5 29. Rg2 Rc2 30. Ng3 Qxd4+ 0-1

