[Event "Medellin Cuartas Memorial"]
[Site "Medellin"]
[Date "2011.08.07"]
[Round "8"]
[White "Jaramillo Ochoa, Mateo"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "1925"]
[BlackElo "2113"]
[PlyCount "115"]
[EventDate "2011.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d3 Qc7 12. Nbd2 Nc6 13. Nf1 Ne8 14. Ne3 Nd8 15. Nd5 Qb7 16. a4 Rb8 17. axb5 axb5 18. Bb3 Be6 19. Bg5 f6 20. Bc1 g6 21. Nh2 Ng7 22. Nf1 Kh8 23. Nfe3 f5 24. Nxe7 Qxe7 25. Nd5 Qh4 26. f3 b4 27. Be3 bxc3 28. bxc3 fxe4 29. dxe4 Bxh3 30. gxh3 Qg3+ 31. Kf1 Qxh3+ 32. Ke2 Rxf3 33. Rf1 Rxf1 34. Qxf1 Qxf1+ 35. Rxf1 Nge6 36. Bc4 Kg7 37. Kd3 h5 38. Rg1 Rb7 39. Ba6 Rf7 40. Kc4 Nf4 41. Nb6 Kh6 42. Nc8 Rf6 43. Bb5 Kg7 44. Rd1 Nf7 45. Be8 Ng5 46. Nxd6 Rf8 47. Bc6 Nge6 48. Bxc5 Ne2 49. Ne8+ Rxe8 50. Bxe8 Nxc5 51. Kxc5 Nxc3 52. Re1 Kf6 53. Kc4 Nxe4 54. Rxe4 Kf5 55. Kd5 h4 56. Rxe5+ Kf4 57. Bxg6 h3 58. Rh5 1-0

[Event "Medellin Cuartas Memorial"]
[Site "Medellin"]
[Date "2011.08.06"]
[Round "6"]
[White "Kostov, Alexander"]
[Black "Suarez Zapata, Hernando"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2113"]
[BlackElo "1885"]
[PlyCount "92"]
[EventDate "2011.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. e5 Ne4 7. 0-0 Nc5 8. Bxc6 dxc6 9. Nxd4 Ne6 10. Nf3 Qxd1 11. Rxd1 Bc5 12. Nc3 h6 13. b3 Bd7 14. Ne4 Ba7 15. Ba3 0-0-0 16. Be7 Rde8 17. Bh4 c5 18. c4 Bc6 19. Nc3 Bxf3 20. gxf3 Nd4 21. Rd3 Rxe5 22. Rad1 f5 23. Bg3 Re6 24. Re3 Rhe8 25. Rxe6 Rxe6 26. Kg2 g5 27. f4 g4 28. Nd5 c6 29. Ne3 a5 30. Rd3 Bb8 31. Nf1 Re2 32. Nd2 Nc2 33. a4 Ne1+ 34. Kf1 Nxd3 35. Kxe2 Nxf4+ 36. Ke3 Ne6 37. Bxb8 Kxb8 38. f3 h5 39. fxg4 hxg4 40. Kd3 Kc7 41. Nf1 Kd6 42. Ne3 Ke5 43. Nf1 f4 44. Nd2 Ng5 45. Nf1 Ne4 46. Kc2 Kd4 0-1

[Event "Medellin Cuartas Memorial"]
[Site "Medellin"]
[Date "2011.08.05"]
[Round "3"]
[White "Corredor Rengifo, Luis Fernando"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1863"]
[BlackElo "2113"]
[PlyCount "81"]
[EventDate "2011.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. 0-0 d6 8. c3 Bg4 9. Re1 0-0 10. h3 Bd7 11. Nbd2 Ne7 12. d4 exd4 13. cxd4 Bb6 14. e5 dxe5 15. dxe5 Nfd5 16. Ne4 Be6 17. Bg5 Qd7 18. Nd4 c6 19. Bxe7 Nxe7 20. Nxe6 Qxd1 21. Raxd1 fxe6 22. Bxe6+ Kh8 23. Bg4 Ng6 24. e6 Rae8 25. Rd6 Ne5 26. Rc1 Rf4 27. Nc5 g6 28. g3 Rff8 29. f4 Nc4 30. Rxc6 Ba7 31. b3 Nb2 32. Be2 Rf6 33. Rxa6 Rfxe6 34. Rxe6 Rxe6 35. Kf1 Rd6 36. Bxb5 Rd2 37. Be2 Nd1 38. Rxd1 Rxa2 39. Ne6 Kg8 40. b4 Kf7 41. Ng5+ 1-0

[Event "Medellin Cuartas Memorial"]
[Site "Medellin"]
[Date "2011.08.05"]
[Round "4"]
[White "Kostov, Alexander"]
[Black "Hoyos Campuzano, Efrain"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2113"]
[BlackElo "1928"]
[PlyCount "64"]
[EventDate "2011.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 Bb4+ 10. Kf1 0-0 11. Ng5 g6 12. Nf4 Be7 13. Nxh7 Qxd4 14. Be3 Qxe5 15. Nxf8 Bxf8 16. h4 Bc5 17. Nxg6 fxg6 18. Qg4 Bxe3 19. Qxg6+ Qg7 20. Qxe6+ Kh8 21. Qxe3 Nde5 22. Re1 Bd7 23. h5 Re8 24. Bb1 Qf6 25. Qb3 Nd4 26. Qxd5 Bb5+ 27. Kg1 Nef3+ 28. gxf3 Rxe1+ 29. Kg2 Rxh1 30. Kxh1 Bc6 31. Qc4 Qxf3+ 32. Kh2 Qg2# 0-1

[Event "Medellin Cuartas Memorial"]
[Site "Medellin"]
[Date "2011.08.04"]
[Round "2"]
[White "Kostov, Alexander"]
[Black "Tovio, Israel"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "2113"]
[BlackElo "2294"]
[PlyCount "58"]
[EventDate "2011.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e5 7. Nb3 Be7 8. Be3 0-0 9. Qd2 a5 10. Bc4 a4 11. Nc1 Be6 12. Nd5 Bxd5 13. Bxd5 Nxd5 14. Qxd5 a3 15. bxa3 Rxa3 16. Nd3 Nb4 17. Nxb4 Rxe3+ 18. Kd1 Rc3 19. Qxb7 Bg5 20. Nd5 Rc5 21. c3 Qa5 22. Rb1 Qxa2 23. Qb2 Qc4 24. Qe2 Rxd5+ 25. exd5 Qxc3 26. Qc2 Qd4+ 27. Ke2 e4 28. Qxe4 Qd2+ 29. Kf1 Be3 0-1

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.08"]
[Round "10"]
[White "Kostov, Alexander"]
[Black "Castro Moreno, Fernando"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2055"]
[PlyCount "32"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. Bc4 Nb6 6. Be2 c4 7. a4 Nc6 8. a5 Nd5 9. Bxc4 Nxa5 10. Ba2 Nf4 11. 0-0 g5 12. d4 b6 13. Nbd2 Ba6 14. c4 Rc8 15. b3 g4 16. Ne4 gxf3 0-1

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.08"]
[Round "9"]
[White "Salazar, Monica Maria"]
[Black "Kostov, Alexander"]
[Result "1/2-1/2"]
[ECO "C98"]
[WhiteElo "1883"]
[BlackElo "2055"]
[PlyCount "85"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Nd8 14. Nf1 Ne8 15. g4 g6 16. Bh6 Ng7 17. Ng3 f6 18. Kh2 Nf7 19. Be3 Bd7 20. Rg1 Kh8 21. Qe2 Rg8 22. Rg2 Raf8 23. Rag1 Qc8 24. Nh4 f5 25. Nhxf5 gxf5 26. exf5 Qd8 27. Ne4 Be8 28. g5 Nxf5 29. g6 hxg6 30. Rxg6 N7h6 31. Rxg8+ Rxg8 32. Rxg8+ Kxg8 33. Bxh6 Nxh6 34. Qe3 Nf7 35. Qg3+ Kf8 36. Qg6 Ng5 37. Qh6+ Kg8 38. Nxg5 Bxg5 39. Qh7+ Kf8 40. Qh8+ Kf7 41. Qh7+ Kf6 42. Qf5+ Kg7 43. Qh7+ 1/2-1/2

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.07"]
[Round "8"]
[White "Kostov, Alexander"]
[Black "Alvarez, Javier"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2055"]
[BlackElo "2160"]
[PlyCount "100"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nf6 4. dxc5 Nc6 5. e5 Nxe5 6. cxd6 exd6 7. Bg5 Be7 8. Nf3 0-0 9. Be2 Qb6 10. b3 h6 11. Be3 Qc7 12. 0-0 Bf5 13. c4 Ne4 14. Bd4 Bf6 15. Nfd2 d5 16. Nxe4 dxe4 17. Nc3 Rfd8 18. Nd5 Qd6 19. Nxf6+ Qxf6 20. Bxe5 Qxe5 21. Qc1 Rd4 22. Qe3 Rad8 23. Rad1 Rxd1 24. Rxd1 Rxd1+ 25. Bxd1 Bg4 26. f3 Qa1 27. Qd2 exf3 28. gxf3 Bf5 29. Kf2 Qe5 30. Kg2 g5 31. Bc2 Be6 32. Qf2 b6 33. Be4 Kg7 34. Qg3 Qb2+ 35. Qf2 Qa1 36. Qc2 Kf6 37. b4 Qd4 38. c5 Qxb4 39. c6 Qc5 40. Qb2+ Ke7 41. Qh8 Qd6 42. Qa8 Qd2+ 43. Kg3 h5 44. h4 gxh4+ 45. Kxh4 Qf4+ 46. Kxh5 f5 47. Kg6 Bf7+ 48. Kg7 Qg5+ 49. Kh7 Qg6+ 50. Kh8 Qh6# 0-1

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.06"]
[Round "6"]
[White "Romo Bucheli, David"]
[Black "Kostov, Alexander"]
[Result "0-1"]
[ECO "C98"]
[BlackElo "2055"]
[PlyCount "90"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Nd8 14. Nf1 Ne8 15. Ng3 g6 16. a4 Rb8 17. axb5 axb5 18. Bh6 Ng7 19. Nh2 f6 20. f4 exf4 21. Bxf4 Nf7 22. Ng4 Ne5 23. Nxe5 fxe5 24. Bh6 Bd7 25. Rf1 Qc8 26. Ra7 Ra8 27. Rxf8+ Bxf8 28. Rxa8 Qxa8 29. Nf1 Qa2 30. Qb1 Qa7 31. Kh2 Be7 32. Ne3 Nh5 33. g4 Nf4 34. Ng2 c4 35. Qg1 Qxg1+ 36. Kxg1 Nxh3+ 37. Kh2 Bxg4 38. Kg3 Bd7 39. b3 g5 40. bxc4 bxc4 41. Ne3 Nf4 42. Nxc4 Kf7 43. Nxd6+ Bxd6 44. Bxg5 Ne2+ 45. Kf2 Nxc3 0-1

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.05"]
[Round "5"]
[White "Kostov, Alexander"]
[Black "Sarmiento Tobon, Luis"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2055"]
[PlyCount "115"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. Nf3 e5 4. Bc4 h6 5. 0-0 d6 6. d4 Nf6 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Nxe5 Be7 10. Re1 0-0 11. Nd2 b6 12. f4 Bb7 13. Nef3 Re8 14. e5 Nd5 15. Ne4 a6 16. Bd2 b5 17. Bb3 c4 18. Bc2 Ne6 19. g3 Nc5 20. Nd4 Nxe4 21. Bxe4 Bc5 22. Be3 Rab8 23. Bf2 b4 24. Rac1 bxc3 25. bxc3 Ba8 26. Rc2 Rb6 27. Bg2 Reb8 28. Ne2 Ne3 29. Bxe3 Bxe3+ 30. Kf1 Bxg2+ 31. Kxg2 Rb2 32. Rxb2 Rxb2 33. Kf3 Bd2 34. Ra1 Rc2 35. Rb1 Bxc3 36. Rb8+ Kh7 37. Rb7 Kg8 38. a3 g6 39. Rc7 Bb2 40. Ra7 Bxa3 41. Rxa6 Bf8 42. Rc6 Kg7 43. Rc7 Bb4 44. e6 Kf6 45. exf7 Be7 46. g4 Kxf7 47. Nd4 Rc3+ 48. Ke4 Rc1 49. Nc6 Re1+ 50. Kd5 c3 51. Ne5+ Kf6 52. Rc6+ Kg7 53. Rxg6+ Kh7 54. Rc6 Rd1+ 55. Ke6 Rd6+ 56. Rxd6 Bxd6 57. Kxd6 c2 58. Nd3 1-0

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.04"]
[Round "4"]
[White "Cortes Ortiz, Juan Carlos"]
[Black "Kostov, Alexander"]
[Result "0-1"]
[ECO "C84"]
[BlackElo "2055"]
[PlyCount "60"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 c5 11. Bxf7+ Kxf7 12. Qe3 Re8 13. a4 Be6 14. Nc3 b4 15. Ne2 Kg8 16. f4 d5 17. f5 d4 18. Qf3 Bc4 19. Nf4 Bd6 20. Nh3 Qc7 21. g3 Bd5 22. Nf2 Qb7 23. Bf4 Bxf4 24. exd5 Be3 25. c4 bxc3 26. bxc3 Qxd5 27. Kg2 Qxf3+ 28. Kxf3 Bxf2 29. Kxf2 Ne4+ 30. Kf3 Nxc3 0-1

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.04"]
[Round "2"]
[White "Kostov, Alexander"]
[Black "Estrella Becerra, Fernando"]
[Result "0-1"]
[ECO "C40"]
[WhiteElo "2055"]
[PlyCount "134"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Qe7 3. Bc4 g6 4. 0-0 Bg7 5. d4 d6 6. h3 Nf6 7. Nc3 c6 8. Bg5 0-0 9. Re1 Be6 10. d5 Bc8 11. a4 a5 12. Qd2 Na6 13. Rad1 c5 14. Bh6 Nh5 15. g4 Qf6 16. Bxg7 Kxg7 17. Bxa6 Rxa6 18. Kg2 Nf4+ 19. Kg3 Nxh3 20. Rh1 Qf4+ 21. Qxf4 Nxf4 22. Nd2 h5 23. f3 Kf6 24. Nc4 Ke7 25. b3 Bd7 26. Rd2 Rb8 27. Ra1 hxg4 28. fxg4 Rh8 29. Nb5 Rh3+ 30. Kf2 Rh2+ 31. Kf3 Rxd2 32. Nxd2 Ra8 33. Rh1 Bxb5 34. axb5 a4 35. Ra1 a3 36. Ra2 Rh8 37. Nf1 Rh3+ 38. Kf2 Kd7 39. Rxa3 c4 40. Ne3 cxb3 41. Rxb3 Rh2+ 42. Kf1 Rd2 43. Rc3 Rd4 44. b6 Rxe4 45. Kf2 Rd4 46. Rc7+ Kd8 47. c4 Nd3+ 48. Ke2 Nc5 49. Rxf7 Nd7 50. Rg7 Nxb6 51. Rxg6 Nxc4 52. Nxc4 Rxc4 53. Rxd6+ Kc7 54. Rg6 Rd4 55. Ke3 Rxd5 56. Ke4 Rc5 57. g5 b5 58. Re6 b4 59. g6 b3 60. g7 b2 61. g8Q b1Q+ 62. Kf3 Qf1+ 63. Ke3 Qe1+ 64. Kf3 Rc3+ 65. Kg2 Qd2+ 66. Kh1 Rc1+ 67. Qg1 Qd5+ 0-1

[Event "Pan American Continental"]
[Site "Cali"]
[Date "2010.11.22"]
[Round "9"]
[White "Kostov, Alexander"]
[Black "Buitrago, Juan Carlos"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2055"]
[BlackElo "2160"]
[PlyCount "23"]
[EventDate "2010.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. e5 Ne4 8. Nxd4 Nxd4 9. Qxd4 Nc5 10. Nc3 Nxa4 11. Qxa4 0-0 12. Bf4 1/2-1/2

[Event "Pan American Continental"]
[Site "Cali"]
[Date "2010.11.21"]
[Round "8"]
[White "Torres Gonzalez, Jose Arturo"]
[Black "Kostov, Alexander"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "2202"]
[BlackElo "2055"]
[PlyCount "40"]
[EventDate "2010.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 d3 6. 0-0 d6 7. b4 Bb6 8. a4 a6 9. Bg5 Nf6 10. Qxd3 Qe7 11. Nbd2 0-0 12. Bd5 Ne5 13. Nxe5 dxe5 14. Qf3 c6 15. Ba2 Rd8 16. Nc4 Bc7 17. Ne3 Rd6 18. Nc4 Rd8 19. Ne3 Rd6 20. Nc4 Rd8 1/2-1/2

[Event "Pan American Continental"]
[Site "Cali"]
[Date "2010.11.20"]
[Round "6"]
[White "Avellaneda Arevalo, Ronald"]
[Black "Kostov, Alexander"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "1965"]
[BlackElo "2055"]
[PlyCount "41"]
[EventDate "2010.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd7 8. Nc3 0-0-0 9. Be3 c5 10. Nde2 Bc6 11. f3 b6 12. Rd1 Bd6 13. Bf4 f6 14. Nd5 Bxd5 15. Rxd5 Ne7 16. Rd1 Rd7 17. Bxd6 Rhd8 18. Nf4 cxd6 19. Nd5 Nxd5 20. Rxd5 Re8 21. Kf2 1/2-1/2

[Event "Pan American Continental"]
[Site "Cali"]
[Date "2010.11.20"]
[Round "7"]
[White "Kostov, Alexander"]
[Black "Manrique, Fernando"]
[Result "1-0"]
[ECO "C79"]
[WhiteElo "2055"]
[BlackElo "1964"]
[PlyCount "61"]
[EventDate "2010.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 d6 7. Nxd4 Bd7 8. Nxc6 bxc6 9. Nc3 Be7 10. Re1 0-0 11. Bf4 Rb8 12. e5 Nd5 13. exd6 Bxd6 14. Nxd5 cxd5 15. Bxd6 cxd6 16. Bxd7 Qxd7 17. b3 Qc6 18. Qd3 Rfe8 19. Rxe8+ Rxe8 20. Kf1 Rc8 21. Re1 Qb5 22. Qxb5 axb5 23. a4 bxa4 24. bxa4 Kf8 25. a5 Rxc2 26. Ra1 Rc8 27. a6 Ke7 28. Ke2 Kd7 29. Kd3 Ra8 30. Kd4 Kc6 31. a7 1-0

[Event "Pan American Continental"]
[Site "Cali"]
[Date "2010.11.19"]
[Round "5"]
[White "Sanchez, Victor Hugo"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2293"]
[BlackElo "2055"]
[PlyCount "45"]
[EventDate "2010.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. Nc3 Qe6 10. Qe4 a5 11. Bd3 Bb4 12. Bd2 Bb7 13. 0-0 d5 14. Qf4 c5 15. Bf5 Qc6 16. e6 Bxc3 17. exf7+ Kf8 18. bxc3 Nxc4 19. Rfe1 Qd6 20. Re8+ Rxe8 21. fxe8Q+ Kxe8 22. Re1+ Kf8 23. Bg6+ 1-0

[Event "Pan American Continental"]
[Site "Cali"]
[Date "2010.11.18"]
[Round "3"]
[White "Kostov, Alexander"]
[Black "Condori Aranya, Edwin"]
[Result "1/2-1/2"]
[ECO "B17"]
[WhiteElo "2055"]
[BlackElo "2171"]
[PlyCount "123"]
[EventDate "2010.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bd3 Bg4 9. c3 e6 10. 0-0 Bd6 11. Re1 Qc7 12. h3 Bh5 13. Qe2 0-0-0 14. Qe3 Nd5 15. Qe4 Rhe8 16. Ne5 Bg6 17. Nxg6 hxg6 18. Bc4 Kb8 19. Qf3 Nb6 20. Bb3 c5 21. dxc5 Bxc5 22. Bf4 Bd6 23. Bxd6 Rxd6 24. Rad1 Red8 25. Rxd6 Rxd6 26. Rd1 Rxd1+ 27. Qxd1 Qd7 28. Qxd7 Nxd7 29. Kf1 g5 30. Ke2 Kc7 31. Ke3 Kd6 32. Bd1 f5 33. f4 gxf4+ 34. Kxf4 Ne5 35. Be2 Nf7 36. g4 g5+ 37. Kf3 Ne5+ 38. Ke3 Ng6 39. b4 Ke5 40. c4 b6 41. a3 Nh4 42. Bf1 f4+ 43. Kd3 Nf3 44. Ke2 Nh4 45. Kd3 Nf3 46. Ke2 Nh4 47. Kd3 Ng6 48. Bg2 f3 49. Bxf3 Nf4+ 50. Ke3 Nxh3 51. c5 bxc5 52. bxc5 Nf4 53. c6 Kd6 54. Kd4 Ng6 55. Be4 Ne7 56. c7 e5+ 57. Kc4 Kxc7 58. Kc5 Ng8 59. Kd5 Nf6+ 60. Kxe5 Nxg4+ 61. Kf5 Ne3+ 62. Kxg5 1/2-1/2

[Event "Pan American Continental"]
[Site "Cali"]
[Date "2010.11.18"]
[Round "4"]
[White "Kostov, Alexander"]
[Black "Mateus Urbano, Luis Alejandro"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2055"]
[BlackElo "2274"]
[PlyCount "123"]
[EventDate "2010.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Be2 d6 7. exd6 e6 8. d4 cxd4 9. Nxd4 Nxd4 10. Qxd4 Qxd6 11. Qxd6 Bxd6 12. Nd2 Bd7 13. Nc4 Nxc4 14. Bxc4 Rc8 15. Be2 Bc6 16. 0-0 Ke7 17. Be3 a5 18. f4 a4 19. Bd4 a3 20. bxa3 Ra8 21. Bf3 Rhc8 22. Rab1 Rxa3 23. Bxc6 bxc6 24. Rb7+ Ke8 25. Bxg7 Rxa2 26. Be5 Rd8 27. Rfb1 Rc2 28. Bf6 Ra8 29. Rd1 Bxf4 30. Re7+ Kf8 31. Red7 Rc1 32. Rxc1 Bxc1 33. Rc7 Be3+ 34. Kf1 Bf4 35. Rxc6 Bxh2 36. Kf2 Bf4 37. Kf3 Bh6 38. Rc7 Bg7 39. Be7+ Ke8 40. Bg5 Be5 41. Rc4 Kd7 42. Rh4 Rg8 43. Be3 Rg3+ 44. Ke4 Kd6 45. Bc5+ Kxc5 46. Kxe5 Rxg2 47. Rxh7 Rf2 48. Rh3 Kc4 49. Rg3 Rf5+ 50. Ke4 Rc5 51. Rf3 f5+ 52. Kf4 Kb3 53. Re3 Rc6 54. Ke5 Rxc3 55. Re1 Rc6 56. Rd1 Kc2 57. Rd8 Ra6 58. Rd7 Ra3 59. Kxe6 f4 60. Ke5 f3 61. Ke4 Ra4+ 62. Kxf3 1/2-1/2

[Event "Pan American Continental"]
[Site "Cali"]
[Date "2010.11.17"]
[Round "2"]
[White "Uribe, Mauricio"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "C85"]
[WhiteElo "2381"]
[BlackElo "2055"]
[PlyCount "73"]
[EventDate "2010.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. d3 Bg4 8. h3 Bxf3 9. Qxf3 Qd6 10. Nd2 Nd7 11. Nc4 Qe6 12. Bd2 0-0-0 13. Bc3 g5 14. Ne3 h5 15. Qf5 Rh6 16. Qxe6 fxe6 17. Nc4 Bd6 18. a4 c5 19. g3 Rg6 20. Kg2 Rf8 21. a5 Rf7 22. Rh1 Rgf6 23. Raf1 Rf8 24. Bd2 Rg6 25. h4 g4 26. Bg5 Nf6 27. f3 Kd7 28. Bxf6 gxf3+ 29. Rxf3 Rgxf6 30. Rhf1 Ke7 31. Rxf6 Rxf6 32. Rxf6 Kxf6 33. Nxd6 cxd6 34. c4 Kg6 35. Kh3 Kh6 36. g4 Kg6 37. gxh5+ 1-0

[Event "Medellin IRT op 17th"]
[Site "Medellin"]
[Date "2010.08.08"]
[Round "9"]
[White "Kostov, Alexander"]
[Black "Varon Renteria, Christian G"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2072"]
[BlackElo "2000"]
[PlyCount "46"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0-0 Be6 10. Kb1 Rb8 11. h4 b5 12. Ng5 b4 13. c4 Ne5 14. b3 Bf5 15. f3 h5 16. Be2 a5 17. Rdg1 Qd7 18. Bd4 f6 19. g4 hxg4 20. fxg4 Nxg4 21. Bxg4 Bxg4 22. Qg2 fxg5 23. Qxg4 Rf1+ 0-1

[Event "Medellin IRT op 17th"]
[Site "Medellin"]
[Date "2010.08.08"]
[Round "8"]
[White "Posada Zuluaga, Juan Manuel"]
[Black "Kostov, Alexander"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2007"]
[BlackElo "2072"]
[PlyCount "80"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. b3 Qe6 10. Bb2 Bb4+ 11. Nc3 a5 12. g3 d5 13. exd6 cxd6 14. Qxe6+ Bxe6 15. Bg2 d5 16. 0-0-0 Rd8 17. cxd5 cxd5 18. Nb5 0-0 19. a3 Bc5 20. Nd4 Bg4 21. Rd2 Rfe8 22. Rc2 Rc8 23. f3 Bd7 24. Rd1 a4 25. b4 Bxd4 26. Rxd4 Nc4 27. Rcxc4 Rxc4+ 28. Rxc4 dxc4 29. Kd2 Bf5 30. Bf1 Bd3 31. Bxd3 Rd8 32. Kc3 Rxd3+ 33. Kxc4 Rb3 34. Bc1 Rb1 35. Bf4 Ra1 36. b5 Rxa3 37. b6 Rb3 38. Kc5 a3 39. Kc6 f6 40. b7 a2 0-1

[Event "Medellin IRT op 17th"]
[Site "Medellin"]
[Date "2010.08.07"]
[Round "7"]
[White "Kostov, Alexander"]
[Black "Escobar Medina, Andres F"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "2072"]
[BlackElo "2114"]
[PlyCount "82"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. Nf3 Bg7 4. Bc4 e6 5. d4 cxd4 6. Nxd4 a6 7. 0-0 Ne7 8. Bg5 0-0 9. Nd2 Nbc6 10. N2f3 d5 11. exd5 exd5 12. Be2 Bg4 13. Re1 f6 14. Be3 Bxf3 15. Bxf3 Qd7 16. Qd2 Ne5 17. Rad1 N7c6 18. Be2 Nc4 19. Bxc4 dxc4 20. Qe2 Ne5 21. Nc2 Qa4 22. Nd4 Nd3 23. b3 Qa5 24. Rf1 b5 25. b4 Qa3 26. Qc2 f5 27. Rd2 Rad8 28. Ne2 Rfe8 29. Bd4 Bh6 30. f4 Re4 31. g3 Bf8 32. Rfd1 Rde8 33. Kf1 Bg7 34. Bxg7 Kxg7 35. Nd4 Re1+ 36. Kg2 Rxd1 37. Rxd1 Ne1+ 38. Rxe1 Rxe1 39. Qd2 Qc1 40. Ne6+ Kh6 41. Qd7 Re2+ 0-1

[Event "Medellin IRT op 17th"]
[Site "Medellin"]
[Date "2010.08.06"]
[Round "5"]
[White "Kostov, Alexander"]
[Black "Torres Rodriguez, Juan Camilo"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2072"]
[BlackElo "2177"]
[PlyCount "95"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Nbd2 Nc6 7. Bc4 Qd8 8. dxc5 Bxc5 9. 0-0 0-0 10. Qe2 Qc7 11. Ne4 Be7 12. Bd3 Ne5 13. Bf4 Nxf3+ 14. Qxf3 e5 15. Bg3 Be6 16. Rfe1 Nd7 17. Qh5 g6 18. Qh6 Bf5 19. Bb5 f6 20. Ba4 Be6 21. Rad1 Nc5 22. Ng5 Rf7 23. Nxf7 Bf8 24. Qh4 Qxf7 25. Bc2 Bxa2 26. f4 exf4 27. Qxf4 a5 28. Qc7 a4 29. Qxf7+ Bxf7 30. Bd6 a3 31. Bxf8 Kxf8 32. bxa3 Rxa3 33. Rd8+ Kg7 34. Re3 f5 35. Rc8 Ra1+ 36. Kf2 b6 37. Rc7 Kf8 38. Ree7 Bg8 39. Ra7 Rc1 40. Rec7 Rxc2+ 41. Ke1 Bf7 42. Rxf7+ Kg8 43. Rg7+ Kh8 44. Rgc7 Rc1+ 45. Kd2 Nb3+ 46. Ke2 Rc2+ 47. Kf3 Nd2+ 48. Kf4 1-0

[Event "Medellin IRT op 17th"]
[Site "Medellin"]
[Date "2010.08.06"]
[Round "4"]
[White "Zapata Arbelaes, Estiven"]
[Black "Kostov, Alexander"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1976"]
[BlackElo "2072"]
[PlyCount "50"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. Nc3 Nf6 5. d4 d6 6. h3 0-0 7. Be3 h6 8. Qd2 a6 9. 0-0-0 b5 10. Bd5 Nxd5 11. Nxd5 exd4 12. Nxd4 Ne5 13. f4 Nc4 14. Qd3 Bb7 15. g4 Bf6 16. h4 c5 17. Nxf6+ Qxf6 18. g5 Qe7 19. Rhg1 Bxe4 20. Qe2 Nxe3 21. Qxe3 cxd4 22. Qxd4 h5 23. Rde1 Rfe8 24. f5 Rac8 25. c3 Qe5 0-1

[Event "Medellin IRT op 17th"]
[Site "Medellin"]
[Date "2010.08.05"]
[Round "2"]
[White "Carvajal Montoya, Juan Camilo"]
[Black "Kostov, Alexander"]
[Result "1/2-1/2"]
[ECO "C98"]
[WhiteElo "1932"]
[BlackElo "2072"]
[PlyCount "112"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Nd8 14. Nf1 Ne8 15. g4 g6 16. Ng3 Ng7 17. Bh6 f6 18. a4 Rb8 19. a5 Nf7 20. Bxg7 Kxg7 21. Kh1 Bd7 22. Rg1 Ng5 23. Kh2 Qc8 24. Ne1 Kh8 25. Ng2 f5 26. gxf5 gxf5 27. exf5 Bxf5 28. Nxf5 Rxf5 29. Bxf5 Qxf5 30. Qg4 Nf3+ 31. Kh1 Qxg4 32. hxg4 Nxg1 33. Kxg1 Bg5 34. Re1 Rf8 35. Ne3 Bxe3 36. Rxe3 Rf4 37. Rg3 b4 38. g5 Kg7 39. Kf1 Kg6 40. Rh3 bxc3 41. bxc3 Kxg5 42. Rxh7 Ra4 43. Rd7 Rxa5 44. Rxd6 Ra3 45. Ke2 Kf4 46. Kd3 Ra4 47. Rf6+ Kg5 48. Rc6 e4+ 49. Ke3 Rc4 50. Rxa6 Kf5 51. Ra3 Ke5 52. f3 exf3 53. Kxf3 Kxd5 54. Ke3 Rh4 55. Kd3 Rh3+ 56. Kd2 Rh2+ 1/2-1/2

[Event "Medellin IRT op 17th"]
[Site "Medellin"]
[Date "2010.08.05"]
[Round "3"]
[White "Kostov, Alexander"]
[Black "Vargas Arteaga, Alexis"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2072"]
[BlackElo "2215"]
[PlyCount "54"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. dxc5 Qxc5 6. Be3 Qa5 7. Nf3 Nf6 8. Nbd2 Qc7 9. Be2 e6 10. 0-0 Be7 11. Nb3 0-0 12. Qc2 b6 13. Nbd4 Bb7 14. h3 Nd5 15. Nxc6 Bxc6 16. Bd4 Nf4 17. Rfe1 Qb7 18. Kh2 Bd6 19. Be5 Bxe5 20. Nxe5 Ba4 21. Bf3 Qxf3 22. Qe4 Qxf2 23. Rf1 Qxg2+ 24. Qxg2 Nxg2 25. Kxg2 f6 26. Rf4 Be8 27. Raf1 Bb5 0-1

[Event "Barranquilla op"]
[Site "Barranquilla"]
[Date "2009.04.26"]
[Round "7"]
[White "Kostov, Alexander"]
[Black "Rodriguez, Luis Alejandro"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2072"]
[PlyCount "37"]
[EventDate "2009.04.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 cxd4 4. cxd4 d5 5. Nc3 dxe4 6. Nxe4 Nf6 7. Bg5 Bb4+ 8. Nc3 0-0 9. Nf3 Nc6 10. Bc4 Be7 11. 0-0 Nb4 12. Qe2 Nbd5 13. Rfc1 Bd7 14. Nxd5 Nxd5 15. Bxd5 Bxg5 16. Bxb7 Rb8 17. Nxg5 Qxg5 18. Qa6 Bb5 19. Qxa7 0-1

[Event "Barranquilla op"]
[Site "Barranquilla"]
[Date "2009.04.26"]
[Round "5"]
[White "Zapata, Uriel Arturo"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "E13"]
[BlackElo "2072"]
[PlyCount "54"]
[EventDate "2009.04.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. Nc3 Bb4 5. Bg5 Bb7 6. e3 0-0 7. Bd3 h6 8. Bh4 d6 9. Qc2 Nbd7 10. e4 Bxc3+ 11. bxc3 e5 12. 0-0 Qe7 13. Nd2 Rfe8 14. Rae1 g5 15. Bg3 Nh5 16. Qd1 Ndf6 17. f3 Nf4 18. Bc2 Kh8 19. Rf2 Rg8 20. Nf1 Rg7 21. Ne3 Rh7 22. Nf5 Qe6 23. Bb3 c5 24. Rd2 Ng6 25. dxc5 dxc5 26. Rd6 Qe8 27. Rxf6 h5 1-0

[Event "Barranquilla op"]
[Site "Barranquilla"]
[Date "2009.04.25"]
[Round "4"]
[White "Kostov, Alexander"]
[Black "Babilonia, Mauricio Rafael"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2072"]
[PlyCount "57"]
[EventDate "2009.04.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. d4 a6 6. h3 b5 7. Bd3 Bb7 8. Qe2 Nbd7 9. 0-0 e6 10. Bg5 Be7 11. Rad1 0-0 12. Ne5 Rfd8 13. Rfe1 h6 14. Bh4 Rac8 15. Bg3 Qb6 16. Ne4 c5 17. Nxf6+ Nxf6 18. dxc5 Bxc5 19. Bh4 Be7 20. Kh1 Rd4 21. Bg3 Ne4 22. Bf4 Bg5 23. Be3 Bxe3 24. Qxe3 Rcd8 25. c3 Rxd3 26. Qxb6 Rxd1 27. Rxd1 Rxd1+ 28. Kh2 Nd2 29. h4 0-1

[Event "Barranquilla op"]
[Site "Barranquilla"]
[Date "2009.04.25"]
[Round "3"]
[White "Tovio, Israel"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2274"]
[BlackElo "2072"]
[PlyCount "59"]
[EventDate "2009.04.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 h6 7. 0-0 0-0 8. Re1 Bd7 9. Be3 Qc8 10. dxe5 Nxe5 11. Bf1 Re8 12. Nd4 Nc6 13. f4 Nxd4 14. Bxd4 a6 15. a4 Bc6 16. Bd3 Nd7 17. Qg4 Bf6 18. Bxf6 Nxf6 19. Qf3 Qe6 20. Re2 Re7 21. Rae1 Rae8 22. Kh2 Qd7 23. b3 Qe6 24. b4 Qc8 25. b5 axb5 26. axb5 Bd7 27. e5 dxe5 28. fxe5 Nh7 29. Nd5 Re6 30. Bf5 1-0

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "4"]
[White "Ashok, Kumar R"]
[Black "Kostov, Alexander"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "1887"]
[PlyCount "126"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Be7 6. d5 0-0 7. e4 c5 8. d6 Nxe4 9. dxe7 Qxe7 10. Nxe4 Bxe4 11. Bd3 Bxd3 12. Qxd3 d5 13. 0-0 d4 14. Re1 Nc6 15. Ne5 Nxe5 16. Rxe5 f6 17. Re1 e5 18. f4 Rae8 19. fxe5 fxe5 20. Qe4 Qf6 21. Qf3 Qe6 22. Qd5 Qxd5 23. cxd5 e4 24. d6 e3 25. b4 Rd8 26. bxc5 bxc5 27. a4 Rxd6 28. Ba3 Rc6 29. Rad1 Rf2 30. Bc1 Ra2 31. Bxe3 dxe3 32. Rxe3 Rxa4 33. Rg3 Rc7 34. Rd8+ Kf7 35. Rh8 h6 36. Rh7 Kg8 37. Rxh6 Rf7 38. h4 c4 39. Rh5 c3 40. Rc5 Rxh4 41. Rcxc3 a5 42. Ra3 Ra7 43. Rg5 a4 44. Rgg3 Kh7 45. Rh3 Rxh3 46. gxh3 Kh6 47. Kg2 Kh5 48. Kg3 g5 49. Kh2 Kg6 50. Kg3 Kf5 51. Rf3+ Ke4 52. Ra3 Ra5 53. Kg4 Kd4 54. Ra1 Kc3 55. h4 gxh4 56. Kxh4 Kb2 57. Re1 a3 58. Re2+ Kc3 59. Re3+ Kd2 60. Rg3 a2 61. Rg2+ Ke3 62. Rg1 a1Q 63. Rxa1 Rxa1 0-1

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "2"]
[White "Berti Contreras, Lorenginis Jesus"]
[Black "Kostov, Alexander"]
[Result "0-1"]
[ECO "C91"]
[WhiteElo "2133"]
[PlyCount "82"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d4 Re8 10. Ng5 Rf8 11. f4 exf4 12. Bxf4 h5 13. Nd2 Ng4 14. Ngf3 Bh4 15. g3 Bf6 16. h3 Nh6 17. Bxh6 gxh6 18. Kh2 Kh8 19. Bd5 Bd7 20. Ng1 Rg8 21. Qxh5 Kh7 22. Rf1 Rg7 23. Rf3 Qe7 24. Raf1 Rg6 25. e5 dxe5 26. Be4 Rag8 27. d5 Nd8 28. Rxf6 Be8 29. R1f5 R8g7 30. Ngf3 c6 31. Ng5+ Kg8 32. h4 hxg5 33. hxg5 Rh7 34. Qxh7+ Kxh7 35. Rxg6 fxg6 36. Rf6 Bf7 37. Nf3 Ne6 38. Nh4 Nxg5 39. Bxg6+ Bxg6 40. Rxg6 Nf3+ 41. Kg2 Nxh4+ 0-1

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "8"]
[White "Dabo Peranic, Robert"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "C98"]
[WhiteElo "2318"]
[PlyCount "123"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Nd8 14. a4 Rb8 15. b4 c4 16. axb5 axb5 17. Nf1 Ne8 18. Be3 g6 19. Qd2 Ng7 20. Ra3 f6 21. Rea1 Nf7 22. Ba7 Rb7 23. Ra6 Bd7 24. Bd1 Qc8 25. Qa2 f5 26. N3d2 f4 27. Nh2 h5 28. Bb6 Nh6 29. Ra8 Qxa8 30. Qxa8 Rxa8 31. Rxa8+ Kf7 32. Ba5 g5 33. f3 Kg6 34. Be2 Nf7 35. Kf2 Ne8 36. Ke1 Nc7 37. Bxc7 Rxc7 38. Kd1 Rb7 39. Kc2 Bd8 40. Bxc4 bxc4 41. Nxc4 Bc7 42. Kb3 Bb5 43. Na5 Bxa5 44. Rxa5 Be2 45. c4 g4 46. hxg4 hxg4 47. Nxg4 Ng5 48. c5 Nxf3 49. gxf3 Bxf3 50. Nh2 Bxe4 51. c6 Rc7 52. Kc4 f3 53. b5 f2 54. b6 Rh7 55. Nf1 Bf3 56. Ra2 Rh6 57. Rxf2 Be4 58. b7 Bxd5+ 59. Kxd5 Rh8 60. c7 e4 61. c8Q e3 62. Qg4+ 1-0

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "6"]
[White "Fier, Alexandr"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "C34"]
[WhiteElo "2590"]
[PlyCount "33"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Ne7 4. d4 d5 5. Nc3 Be6 6. Bxf4 Ng6 7. Bg5 Be7 8. Bxe7 Nxe7 9. Bd3 c6 10. 0-0 Nd7 11. Ng5 Ng6 12. Nxe6 fxe6 13. exd5 exd5 14. Qh5 Nf6 15. Bxg6+ Ke7 16. Qe5+ Kd7 17. Bf5# 1-0

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "1"]
[White "Kostov, Alexander"]
[Black "Eiriksson Vikingur, Fjalar"]
[Result "1-0"]
[ECO "B03"]
[BlackElo "1882"]
[PlyCount "71"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 0-0 9. b3 Bf5 10. Be2 Nc6 11. Nf3 Qd7 12. 0-0 Rac8 13. Re1 e5 14. dxe5 dxe5 15. c5 Qxd1 16. Rexd1 Na8 17. Nb5 Nc7 18. Nd6 Rcd8 19. Nxb7 Rxd1+ 20. Rxd1 e4 21. Nd4 Bc8 22. Nd6 Ne5 23. Nxc8 Rxc8 24. b4 f5 25. a4 Nd5 26. Bd2 Ng4 27. Bxg4 fxg4 28. Ne6 Be5 29. Ng5 h6 30. Nxe4 Nf4 31. Bxf4 Bxf4 32. b5 Re8 33. f3 gxf3 34. gxf3 Be3+ 35. Kg2 h5 36. Nf6+ 1-0

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "5"]
[White "Kostov, Alexander"]
[Black "Lievano, Juan"]
[Result "1-0"]
[ECO "C65"]
[BlackElo "2138"]
[PlyCount "89"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 Nxd4 5. Nxd4 exd4 6. Qxd4 c6 7. Bd3 Qb6 8. Qxb6 axb6 9. 0-0 Be7 10. Nc3 0-0 11. Ne2 d6 12. Be3 b5 13. f4 Be6 14. a3 Nd7 15. b3 Nc5 16. Bxc5 dxc5 17. f5 c4 18. fxe6 cxd3 19. exf7+ Rxf7 20. Rxf7 Kxf7 21. cxd3 Rxa3 22. Rxa3 Bxa3 23. Kf2 Bb2 24. Ke3 Ke6 25. Nf4+ Kd6 26. d4 Bc1+ 27. Kf3 Bxf4 28. Kxf4 c5 29. e5+ Kd5 30. dxc5 Kxc5 31. Ke4 b6 32. b4+ Kc6 33. h4 g6 34. h5 Kc7 35. hxg6 hxg6 36. Kd5 Kd7 37. e6+ Ke7 38. Ke5 g5 39. g4 Ke8 40. Kd6 Kd8 41. Kd5 Ke8 42. Ke4 Ke7 43. Kf5 Ke8 44. Kxg5 Ke7 45. Kf5 1-0

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "7"]
[White "Kostov, Alexander"]
[Black "Lovinger, Daniel"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "174"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Bd3 Bc6 6. c3 Nd7 7. Nf3 Be7 8. Qe2 Ngf6 9. Nxf6+ Bxf6 10. 0-0 0-0 11. Re1 b6 12. Bf4 Bb7 13. Rad1 Re8 14. Ne5 Nf8 15. Ng4 Bg5 16. Qe3 Bxf4 17. Qxf4 Ng6 18. Qg3 Qd6 19. Ne5 Nxe5 20. dxe5 Qe7 21. Qh3 h6 22. Bc2 Red8 23. Rd3 Rxd3 24. Qxd3 g6 25. Rd1 Qg5 26. Qg3 Qxg3 27. hxg3 Bc6 28. Kf1 Kf8 29. f3 Ke7 30. Kf2 Rd8 31. Rxd8 Kxd8 32. Ke3 Ke7 33. Bd3 Bd5 34. c4 Bc6 35. b4 a5 36. a3 axb4 37. axb4 Bd7 38. Be4 c5 39. bxc5 bxc5 40. f4 Ba4 41. g4 Bd1 42. f5 Bxg4 43. fxg6 fxg6 44. Bxg6 Bd1 45. Bd3 Bb3 46. Kf4 Kf7 47. Kg4 Ba4 48. Kh5 Kg7 49. Kh4 Bc6 50. g3 Ba4 51. Kg4 Bd7 52. Kf4 Bc8 53. Bc2 Bd7 54. Ke4 Be8 55. Bb3 Bc6+ 56. Kf4 Be8 57. Bd1 Bg6 58. Ba4 Bd3 59. Bb5 Bf5 60. g4 Bg6 61. Bd7 Bf7 62. Ke3 Kf8 63. Kf4 Ke7 64. Bc6 Kf8 65. Be4 Kg7 66. Bc6 Bg6 67. Bd7 Bf7 68. Bc8 Bg8 69. Ke3 Bf7 70. Kd3 Bg8 71. Kc3 Kg6 72. Kd3 Kg5 73. Bd7 Kxg4 74. Ke3 Kf5 75. Bc6 Kxe5 76. Bf3 Bh7 77. Bg4 Bc2 78. Bh5 Bb3 79. Be2 Bxc4 80. Bxc4 h5 81. Be2 h4 82. Bg4 Kd5 83. Bh3 Ke5 84. Kd3 c4+ 85. Kxc4 Kf4 86. Kd3 e5 87. Ke2 e4 0-1

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "3"]
[White "Kostov, Alexander"]
[Black "Sargissian, Gabriel"]
[Result "0-1"]
[ECO "C84"]
[BlackElo "2677"]
[PlyCount "86"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. e5 Ne4 8. Nxd4 Nc5 9. Nf5 0-0 10. Bxc6 dxc6 11. Qxd8 Bxd8 12. Nd4 Ne6 13. Be3 Nxd4 14. Bxd4 Bf5 15. c4 Bd3 16. Rc1 Bg5 17. Rc3 Bg6 18. Be3 Rad8 19. Na3 Be7 20. Nc2 Rd7 21. a3 Rfd8 22. Ne1 f6 23. Bf4 fxe5 24. Bxe5 Re8 25. Nf3 Be4 26. Re3 Bxf3 27. Rxf3 Rd2 28. Bc3 Re2 29. Kf1 Bc5 30. Rd1 R2e7 31. Rfd3 Bd6 32. g3 b5 33. cxb5 cxb5 34. Re1 Rxe1+ 35. Bxe1 Be5 36. Bc3 Bd6 37. Rd5 g6 38. Rd2 Re4 39. Re2 Rc4 40. Re8+ Kf7 41. Re2 Bxa3 42. Rc2 Bxb2 43. Rxb2 Rxc3 0-1

[Event "Dos Hermanas Internet qual-A 10th"]
[Site "ICC INT"]
[Date "2009.03.13"]
[Round "1"]
[White "Hansen, Martin"]
[Black "Kostov, Alexander"]
[Result "0-1"]
[ECO "C98"]
[WhiteElo "2100"]
[PlyCount "88"]
[EventDate "2009.03.13"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Nd8 14. Nf1 Ne8 15. Ng3 g6 16. Bh6 Ng7 17. Qd2 f6 18. Nh2 Nf7 19. Bxg7 Kxg7 20. Ng4 Bd7 21. b3 Qc8 22. Qe2 h5 23. Ne3 h4 24. Ngf1 Ng5 25. Nh2 f5 26. exf5 gxf5 27. Qh5 Rh8 28. Qe2 Qf8 29. Kh1 Qf7 30. Nef1 Raf8 31. Rad1 f4 32. Ng4 f3 33. gxf3 Qxf3+ 34. Qxf3 Rxf3 35. Kg2 Rxh3 36. Nxe5 dxe5 37. Rxe5 Bf6 38. Rxg5+ Bxg5 39. Nh2 Rxc3 40. Bd3 c4 41. bxc4 bxc4 42. Be4 Rf8 43. Nf3 Bf6 44. Rh1 Rh8 0-1

[Event "Cali op-B"]
[Site "Cali"]
[Date "2008.12.30"]
[Round "9"]
[White "Kostov, Alexander"]
[Black "Castano, Jhon Edison"]
[Result "1-0"]
[ECO "B22"]
[BlackElo "2021"]
[PlyCount "61"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nf6 4. dxc5 dxc5 5. Bd3 Nc6 6. Qe2 Ne5 7. Bc2 c4 8. Nf3 Nd3+ 9. Bxd3 cxd3 10. Qe3 Ng4 11. Qf4 g6 12. Ne5 Nf6 13. 0-0 Bg7 14. Rd1 0-0 15. Rxd3 Qa5 16. Nf3 Be6 17. Na3 Rad8 18. Qe3 Qa6 19. Rxd8 Rxd8 20. Bd2 Ng4 21. Qe1 Qd3 22. Bf4 b5 23. Bc7 Rd7 24. Ba5 Nf6 25. Ne5 Qxe4 26. Qxe4 Nxe4 27. Nxd7 Bxd7 28. Re1 Nf6 29. Rxe7 Bf8 30. Rxd7 Nxd7 31. Nxb5 1-0

[Event "Cali op-B"]
[Site "Cali"]
[Date "2008.12.29"]
[Round "8"]
[White "Guelgua, Alvaro"]
[Black "Kostov, Alexander"]
[Result "1/2-1/2"]
[ECO "C98"]
[WhiteElo "1990"]
[PlyCount "41"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Nd8 14. a4 Rb8 15. Nf1 Ne8 16. g4 g6 17. Ng3 Ng7 18. Kh1 f6 19. Nh2 Nf7 20. axb5 axb5 21. Be3 1/2-1/2

[Event "Cali op-B"]
[Site "Cali"]
[Date "2008.12.29"]
[Round "7"]
[White "Kostov, Alexander"]
[Black "Vanegas Barbosa, Jhonny German"]
[Result "1/2-1/2"]
[ECO "B22"]
[BlackElo "2108"]
[PlyCount "59"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nf6 4. dxc5 Nc6 5. e5 Nxe5 6. cxd6 exd6 7. Nf3 Be7 8. Be2 0-0 9. 0-0 Be6 10. Nbd2 Qc7 11. Nb3 Rfe8 12. Nbd4 a6 13. h3 Nfd7 14. Ng5 Bf6 15. Ne4 d5 16. Nxf6+ Nxf6 17. Bf4 Nf3+ 18. Bxf3 Qxf4 19. Re1 Re7 20. Re3 Rae8 21. Qe2 Qd6 22. Re1 Kf8 23. Qd3 g6 24. Qd2 Kg7 25. Re5 Bd7 26. Rxe7 Rxe7 27. Rxe7 Qxe7 28. Ne2 Qe5 29. Qd4 Qxd4 30. Nxd4 1/2-1/2

[Event "Cali op-B"]
[Site "Cali"]
[Date "2008.12.28"]
[Round "5"]
[White "Kostov, Alexander"]
[Black "Guerrero, Hernando"]
[Result "1/2-1/2"]
[ECO "C07"]
[BlackElo "2027"]
[PlyCount "16"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. dxc5 Bxc5 5. Bd3 dxe4 6. Nxe4 Be7 7. Nf3 Nf6 8. Qe2 0-0 1/2-1/2

[Event "Cali op-B"]
[Site "Cali"]
[Date "2008.12.28"]
[Round "6"]
[White "Lizarazo, Juan Carlos"]
[Black "Kostov, Alexander"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "2089"]
[PlyCount "72"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 f6 6. d3 Bd6 7. Be3 Ne7 8. Nd2 Be6 9. Nb3 b6 10. Nd2 c5 11. a4 Qd7 12. Nc4 Nc6 13. 0-0 0-0 14. Nxd6 Qxd6 15. f4 Rad8 16. b3 exf4 17. Bxf4 Qd4+ 18. Kh1 Qxc3 19. Bxc7 Rd7 20. Bxb6 Nb4 21. Rc1 f5 22. Qh5 g6 23. Qe2 Rdf7 24. Qe1 Qxe1 25. Rfxe1 Rc8 26. exf5 Bxf5 27. Re5 Bxd3 28. cxd3 Nxd3 29. Ree1 Nxe1 30. Rxe1 Rf2 31. h3 Rb2 32. Re3 c4 33. Bd4 Rxb3 34. Re7 c3 35. Rg7+ Kf8 36. Rxh7 Rc6 0-1

[Event "Cali op-B"]
[Site "Cali"]
[Date "2008.12.27"]
[Round "3"]
[White "Ceron, Edgar Ivan"]
[Black "Kostov, Alexander"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1978"]
[PlyCount "38"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 Nf6 6. Nf3 d6 7. Qb3 Qd7 8. Ng5 Ne5 9. Bb5 c6 10. f4 h6 11. fxe5 dxe5 12. Be3 hxg5 13. Rd1 Qc7 14. 0-0 a6 15. Be2 Be6 16. Qa4 Rd8 17. Rc1 Be7 18. Bxg5 Ng4 19. Bxe7 Qb6+ 0-1

[Event "Cali op-B"]
[Site "Cali"]
[Date "2008.12.27"]
[Round "4"]
[White "Escobar Barona, Juan Fernando"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "C98"]
[WhiteElo "1984"]
[PlyCount "69"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Nd8 14. a4 Rb8 15. Re3 Ne8 16. axb5 axb5 17. Nf1 g6 18. b3 Ng7 19. g4 f5 20. gxf5 gxf5 21. exf5 Nxf5 22. Re4 Nf7 23. Kg2 Kh8 24. Ng3 Rg8 25. Rg4 Ng7 26. Qd3 Bf5 27. Nxf5 c4 28. bxc4 bxc4 29. Qe4 Nh5 30. Nxe7 Nf6 31. Qf5 Qxe7 32. Kf1 Nh6 33. Bxh6 Nxg4 34. hxg4 Rbe8 35. Bg5 1-0

[Event "Cali op-B"]
[Site "Cali"]
[Date "2008.12.26"]
[Round "2"]
[White "Kostov, Alexander"]
[Black "Chavarro, Jeffry"]
[Result "1/2-1/2"]
[ECO "B22"]
[BlackElo "2055"]
[PlyCount "58"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. Be3 Nc6 6. Nf3 Bg4 7. Be2 Nf6 8. cxd4 e6 9. 0-0 Be7 10. h3 Bh5 11. Nc3 Qd6 12. Qd2 0-0 13. Rfd1 Rfd8 14. Bf4 Qd7 15. Ne5 Nxe5 16. dxe5 Bxe2 17. Qxe2 Nd5 18. Nxd5 exd5 19. Be3 b6 20. Rac1 Rac8 21. b3 Bc5 22. Rd3 Qf5 23. Bxc5 Rxc5 24. Rcd1 a5 25. a3 Qe6 26. b4 axb4 27. axb4 Rc4 28. Rd4 Rxd4 29. Rxd4 f6 1/2-1/2

[Event "Cali op-B"]
[Site "Cali"]
[Date "2008.12.26"]
[Round "1"]
[White "Kostov, Alexander"]
[Black "Navia Alvarez, Edwin Adrian"]
[Result "1-0"]
[ECO "B22"]
[BlackElo "2055"]
[PlyCount "53"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. dxc5 Qxd1+ 6. Kxd1 e5 7. b4 a5 8. Nf3 Bg4 9. h3 Bxf3+ 10. gxf3 Nc6 11. Bb5 Nd5 12. Bd2 Nc7 13. Ba4 axb4 14. Bxc6+ bxc6 15. cxb4 g6 16. Bc3 Bg7 17. f4 Nd5 18. fxe5 0-0 19. a3 Rfb8 20. Kc2 Nxc3 21. Nxc3 Bxe5 22. Rhd1 Kg7 23. Kb3 Rb7 24. Ra2 Rba7 25. Ne4 f5 26. Nd6 Ra4 27. Nc4 1-0

[Event "Internet Section 18-A"]
[Site "Dos Hermanas"]
[Date "2003.03.18"]
[Round "3"]
[White "Barreira, Martin Adrian"]
[Black "Kostov, Alexander"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "86"]
[EventDate "2003.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[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 Be7 4. c3 Nf6 5. Qe2 d6 6. h3 h6 7. d4 0-0 8. d5 Nb8 9. 0-0 Nh7 10. Bd3 Nd7 11. b4 Ng5 12. Nxg5 Bxg5 13. Bxg5 Qxg5 14. Nd2 Nf6 15. Nf3 Qg6 16. Kh2 Nh5 17. g3 Nf6 18. Nh4 Qg5 19. f4 exf4 20. Rxf4 Nh5 21. Rf3 Nf6 22. Raf1 Nd7 23. Nf5 Ne5 24. Rf4 Ng6 25. R4f3 Qh5 26. Nxg7 Qxh3+ 27. Kg1 Kxg7 28. e5 Nxe5 29. Rf6 Qxg3+ 30. Kh1 Qh4+ 31. Kg1 Qg4+ 32. Qxg4+ Bxg4 33. Bc2 Rg8 34. Kh1 h5 35. Kg2 Kf8 36. Kg3 Be2+ 37. Kh4 Rg4+ 38. Kh3 Bxf1+ 39. Rxf1 Ke7 40. Bd1 Rg5 41. Kh4 Rg2 42. Bxh5 Rh8 43. Rf5 Rh2+ 0-1

[Event "Internet Section 18-B"]
[Site "Dos Hermanas"]
[Date "2003.03.18"]
[Round "4"]
[White "Bustillo, Joaquin"]
[Black "Kostov, Alexander"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "150"]
[EventDate "2003.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[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 Be7 4. 0-0 Nf6 5. d3 d6 6. Be3 0-0 7. Nbd2 h6 8. c3 Nh7 9. h3 Ng5 10. Nxg5 Bxg5 11. f4 exf4 12. Bxf4 Bxf4 13. Rxf4 Ne5 14. d4 Nxc4 15. Nxc4 Qe7 16. Nd2 Bd7 17. Qf3 Rae8 18. Rf1 f6 19. Qg3 Rf7 20. Re1 Qf8 21. Nc4 Be6 22. d5 Bd7 23. Ne3 Rfe7 24. Ng4 Bxg4 25. Qxg4 Re5 26. Rf5 Rxf5 27. Qxf5 Qf7 28. Rf1 b6 29. c4 a5 30. b3 Re5 31. Qc8+ Kh7 32. Qg4 Qe7 33. Re1 Rg5 34. Qf3 Qe5 35. h4 Qd4+ 36. Qe3 Qxe3+ 37. Rxe3 Re5 38. Kf2 Kg6 39. g4 h5 40. Kg3 hxg4 41. Kxg4 f5+ 42. exf5+ Rxf5 43. Re6+ Rf6 44. h5+ Kf7 45. Re2 Rf1 46. Rg2 Kf6 47. Re2 Rg1+ 48. Kh4 Rh1+ 49. Kg4 Rg1+ 50. Kh4 Rf1 51. Kg4 Kf7 52. Rg2 Kf6 53. Re2 Kf7 54. Rg2 Re1 55. Rf2+ Ke7 56. Rg2 Re5 57. Rf2 a4 58. Rf3 a3 59. b4 Re4+ 60. Rf4 Re2 61. Kg5 Rxa2 62. Rg4 Rb2 63. Kg6 Rh2 64. Rg3 a2 65. Ra3 Rg2+ 66. Kh7 Kf6 67. Ra8 Ke5 68. Rxa2 Rxa2 69. Kxg7 Rh2 70. h6 Rg2+ 71. Kf7 Kd4 72. h7 Rh2 73. Kg7 Kxc4 74. h8Q Rxh8 75. Kxh8 Kxd5 0-1

[Event "Internet Section 18-B"]
[Site "Dos Hermanas"]
[Date "2003.03.18"]
[Round "6"]
[White "Fonseca de Olivera, Luis Fernando"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "C47"]
[PlyCount "179"]
[EventDate "2003.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Na4 Re8 12. c3 Bd6 13. Bc2 Bxh2+ 14. Kxh2 Ng4+ 15. Qxg4 Bxg4 16. Bxd8 Rexd8 17. Rfe1 Rab8 18. f3 Be6 19. Rad1 h6 20. b3 Rb5 21. Bd3 Ra5 22. Bc2 Rb5 23. b4 Rbb8 24. Nc5 Rd6 25. a3 a5 26. Re5 axb4 27. axb4 Ra8 28. Rde1 Re8 29. Bf5 d4 30. Bxe6 fxe6 31. cxd4 Rxd4 32. Rxe6 Rxe6 33. Rxe6 Rxb4 34. Rxc6 Kf7 35. Rc7+ Kg6 36. Ne4 Rb6 37. Rd7 Rb2 38. Kh3 Ra2 39. g3 Ra1 40. Kg4 Ra4 41. Rd6+ Kf7 42. Kf4 Rb4 43. g4 Rb3 44. Ng3 Rb4+ 45. Ke3 Rb3+ 46. Rd3 Rb4 47. Nf5 Rb7 48. Kf4 Rb4+ 49. Kg3 h5 50. Rd7+ Kf6 51. Rxg7 hxg4 52. fxg4 Rb3+ 53. Kh4 Rb1 54. Ra7 Rh1+ 55. Kg3 Rg1+ 56. Kf3 Rf1+ 57. Kg2 Rb1 58. Ne3 Rb3 59. Kf3 Rb1 60. Ra6+ Kg5 61. Ra5+ Kg6 62. Kf4 Rb4+ 63. Kg3 Rb3 64. Kf3 Rb1 65. Rf5 Rb4 66. Ng2 Rb3+ 67. Kf2 Rb4 68. Kg3 Rb3+ 69. Rf3 Rb1 70. Nh4+ Kg7 71. Rf5 Rb3+ 72. Kf4 Rh3 73. Kg5 Ra3 74. Ng2 Rb3 75. Nf4 Rb6 76. Nh5+ Kg8 77. Rc5 Ra6 78. Nf6+ Kf7 79. Rc7+ Ke6 80. Kg6 Ra1 81. g5 Rg1 82. Rc8 Rf1 83. Re8+ Kd6 84. Re2 Rh1 85. Kg7 Rg1 86. g6 Rg3 87. Kf7 Rf3 88. g7 Rg3 89. g8Q Rxg8 90. Nxg8 1-0

[Event "Internet Section 18-B"]
[Site "Dos Hermanas"]
[Date "2003.03.18"]
[Round "7"]
[White "Kostov, Alexander"]
[Black "Ardovsky, Philip"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "97"]
[EventDate "2003.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. Nf3 Nf6 6. Qxd4 Qxd4 7. Nxd4 e6 8. Be2 Be7 9. Bf4 Nc6 10. Nb5 0-0 11. Nd6 e5 12. Nxc8 Raxc8 13. Be3 Nd5 14. Nd2 Nxe3 15. fxe3 Bc5 16. Kf2 f5 17. g3 f4 18. gxf4 Rxf4+ 19. Ke1 Bxe3 20. Nb3 Rcf8 21. Bc4+ Kh8 22. Ke2 Bb6 23. Rhf1 Rf2+ 24. Ke1 Rxf1+ 25. Bxf1 g6 26. Rd1 Bf2+ 27. Ke2 Bb6 28. Rd7 Rf2+ 29. Ke1 Rxb2 30. Rxb7 Rxa2 31. Nd2 Rc2 32. Ne4 Nd8 33. Rd7 Rxh2 34. Ng5 Rh5 35. Ne4 Rf5 36. Bc4 Rf4 37. Bd5 Ne6 38. Nd6 Nc5 39. Re7 Nd3+ 40. Kd2 Nc5 41. Ne8 Rf2+ 42. Ke1 Nd3+ 43. Kd1 Nb2+ 44. Kc1 Nd3+ 45. Kb1 h5 46. Be4 Nf4 47. Nf6 Rf1+ 48. Ka2 Rf2+ 49. Kb3 1-0

[Event "Internet Section 18-B"]
[Site "Dos Hermanas"]
[Date "2003.03.18"]
[Round "5"]
[White "Kostov, Alexander"]
[Black "Fancsy, Imre"]
[Result "1/2-1/2"]
[ECO "B22"]
[BlackElo "2406"]
[PlyCount "16"]
[EventDate "2003.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Qa5 3. Nf3 Nc6 4. Na3 Nf6 5. e5 Ng8 6. Nc4 Qc7 7. d4 d5 8. exd6 exd6 1/2-1/2

[Event "Internet Section 18-B"]
[Site "Dos Hermanas"]
[Date "2003.03.18"]
[Round "3"]
[White "Kostov, Alexander"]
[Black "Hebden, Mark"]
[Result "0-1"]
[ECO "C84"]
[BlackElo "2515"]
[PlyCount "86"]
[EventDate "2003.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. e5 Ne4 8. Nxd4 0-0 9. Nxc6 bxc6 10. Bf4 Nc5 11. Bb3 Nxb3 12. axb3 d5 13. exd6 cxd6 14. Nd2 d5 15. Nf3 Bg4 16. h3 Bh5 17. Qd3 Bf6 18. c3 Qb6 19. b4 a5 20. Rxa5 Rxa5 21. bxa5 Qxa5 22. Nd4 Qb6 23. b4 Re8 24. Be3 Bg6 25. Qd2 Qa6 26. Re1 h6 27. Rc1 Qc4 28. Ra1 Kh7 29. Ra5 Be7 30. Nf3 f6 31. Qd4 Qd3 32. Qxd3 Bxd3 33. Nd4 Rc8 34. Ra7 Bf8 35. Nb3 Bc4 36. Nc5 Re8 37. Bd4 Kg6 38. Be3 h5 39. h4 Kf5 40. Nd7 d4 41. Bxd4 Re1+ 42. Kh2 Bd6+ 43. g3 Bd5 0-1

[Event "Internet Section 18-A"]
[Site "Dos Hermanas"]
[Date "2003.03.18"]
[Round "8"]
[White "Kostov, Alexander"]
[Black "Ovidiu, Popa"]
[Result "1/2-1/2"]
[ECO "C77"]
[PlyCount "153"]
[EventDate "2003.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 b5 6. Bb3 Nxd4 7. Bxf7+ Kxf7 8. Nxe5+ Ke8 9. Qxd4 c5 10. Qd3 Bb7 11. Nc3 Qc7 12. Nf3 c4 13. Qe2 Bc5 14. 0-0 Rf8 15. Be3 Kf7 16. Bxc5 Qxc5 17. Rad1 Kg8 18. e5 Ng4 19. Ne4 Qe7 20. Nd6 Bxf3 21. gxf3 Nxe5 22. Kh1 Qf6 23. Rg1 Nxf3 24. Rg3 Nd4 25. Qg4 Ne6 26. Ne4 Qf5 27. Qxf5 Rxf5 28. Rxd7 g6 29. Kg1 Raf8 30. Rd6 Nc5 31. Nxc5 Rxc5 32. Rxa6 Rcf5 33. Rg2 Rd8 34. Rg3 Rd1+ 35. Kg2 Rd2 36. Rf3 Rxf3 37. Kxf3 Rxc2 38. a4 Rxb2 39. axb5 Rxb5 40. Rc6 Rb4 41. Rc7 Rb3+ 42. Kg2 Rc3 43. h3 Rc2 44. Kg3 c3 45. Kg2 Rc1 46. Kh2 c2 47. Kg2 Kf8 48. Rc3 Ke7 49. Rc6 Kd7 50. Rc3 Kd6 51. Rc8 Kd5 52. Kf3 Kd4 53. Rd8+ Kc3 54. Rc8+ Kd2 55. Rd8+ Ke1 56. Re8+ Kf1 57. Rc8 Kg1 58. Rc7 Kh2 59. h4 h5 60. Rc6 Kh3 61. Rc4 Rg1 62. Rxc2 Kxh4 63. Rc6 g5 64. Rh6 g4+ 65. Kf4 Rf1 66. Ke3 Kg5 67. Rh8 h4 68. Rg8+ Kf5 69. Rf8+ Ke6 70. Rf4 Rg1 71. f3 Rg3 72. Rxg4 Rxg4 73. fxg4 Kf6 74. Kf4 Kg6 75. Kf3 Kg5 76. Kg2 Kxg4 77. Kh2 1/2-1/2

[Event "Internet Section 18-A"]
[Site "Dos Hermanas"]
[Date "2003.03.18"]
[Round "4"]
[White "Kostov, Alexander"]
[Black "Piven, Igor"]
[Result "1-0"]
[ECO "B03"]
[BlackElo "2337"]
[PlyCount "93"]
[EventDate "2003.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. h3 0-0 8. Nf3 Nc6 9. Be2 Bf6 10. Be3 Re8 11. 0-0 Bf5 12. Rc1 Be4 13. Nxe4 Rxe4 14. Bd3 Re8 15. b3 d5 16. c5 Nd7 17. Bb1 Nf8 18. Qd2 Ne6 19. a3 Qd7 20. b4 a6 21. Rcd1 g6 22. Rfe1 Bg7 23. Re2 Rf8 24. Qd3 Rad8 25. Bc2 f5 26. Ba4 Qc8 27. Bxc6 bxc6 28. Bg5 Rde8 29. Rde1 h6 30. Bd2 Kh7 31. Ne5 Bxe5 32. Rxe5 Ng7 33. Qe3 Rxe5 34. Qxh6+ Kg8 35. Rxe5 Rf6 36. Bg5 Re6 37. Bf4 Nh5 38. Qg5 Kf7 39. Rxe6 Qxe6 40. Be5 f4 41. Qd8 Qf5 42. Qxc7+ Kg8 43. Qd8+ Kf7 44. Qc7+ Kg8 45. Qxc6 Qe4 46. Qe8+ Kh7 47. Qh8# 1-0

[Event "Internet Section 18-B"]
[Site "Dos Hermanas"]
[Date "2003.03.18"]
[Round "1"]
[White "Kostov, Alexander"]
[Black "Roemischer, Michael"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "82"]
[EventDate "2003.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 e6 6. Bd3 Be7 7. Nf3 0-0 8. h3 Qc7 9. 0-0 a6 10. Be3 Nbd7 11. Rc1 Qd8 12. Bb1 b5 13. Qd3 g6 14. Rfd1 Bb7 15. a3 Ne8 16. Qd2 Ng7 17. d5 e5 18. Na2 Rc8 19. Rxc8 Qxc8 20. Rc1 Qb8 21. Nb4 Rc8 22. Ne1 Bd8 23. Ned3 Ba5 24. f3 Nb6 25. Rxc8+ Qxc8 26. Qc1 Qxc1+ 27. Bxc1 Nc4 28. Kf1 Bc7 29. Ke2 f5 30. b3 fxe4 31. bxc4 exd3+ 32. Bxd3 bxc4 33. Bxc4 a5 34. Nc6 Bxc6 35. dxc6+ Kf8 36. Kd3 Nf5 37. Ke4 Ne7 38. Bb5 d5+ 39. Kd3 Kf7 40. Bd2 Ke6 41. Bg5 Kd6 1/2-1/2

[Event "Internet Section 18-A"]
[Site "Dos Hermanas"]
[Date "2003.03.18"]
[Round "2"]
[White "Kostov, Alexander"]
[Black "SH"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "126"]
[EventDate "2003.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. e5 Ne4 8. Nxd4 0-0 9. Nxc6 dxc6 10. c3 Qxd1 11. Bxd1 Bc5 12. Bf3 f5 13. exf6 Nxf6 14. Nd2 Bf5 15. Nb3 Bb6 16. Bg5 Bd3 17. Rfe1 Rae8 18. Nd2 Rxe1+ 19. Rxe1 Ng4 20. Be3 Nxe3 21. fxe3 g5 22. h3 Kg7 23. a3 Kg6 24. Nb3 h5 25. Nd4 c5 26. Ne2 h4 27. Bg4 Re8 28. Nc1 c4 29. Kf2 Rf8+ 30. Bf3 Bf5 31. Ne2 Re8 32. Nd4 Bc8 33. Re2 c6 34. Kf1 Bc7 35. Ke1 Bg3+ 36. Kd2 Rd8 37. Kc2 c5 38. Be4+ Kf6 39. Nf3 b5 40. Rd2 Re8 41. Bd5 Rxe3 42. Bc6 Bf5+ 43. Kd1 Re6 44. Kc1 Bf4 45. Bd5 Re2 46. Kd1 Bxd2 47. Kxe2 Bc1 48. Bb7 Bxb2 49. Bxa6 Bd7 50. Kd2 Bxa3 51. Kc2 Kf5 52. Nd2 Bc6 53. Nb1 b4 54. Bxc4 Bxg2 55. Nxa3 bxa3 56. Ba6 Kf4 57. Bc8 Bd5 58. Bd7 Bc4 59. Bg4 Kg3 60. Bf5 Bf1 61. Kb3 Bxh3 62. Bd3 Be6+ 63. Kxa3 h3 0-1

[Event "Internet Section 17-B"]
[Site "Dos Hermanas"]
[Date "2003.03.18"]
[Round "8"]
[White "Kostov, Alexander"]
[Black "Santarius, Erik F"]
[Result "1-0"]
[ECO "C80"]
[PlyCount "67"]
[EventDate "2003.03.17"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Nxe4 7. Re1 d5 8. Nxd4 Bd7 9. Nxc6 bxc6 10. f3 Bc5+ 11. Kh1 Bf2 12. Re2 Qh4 13. fxe4 0-0-0 14. Be3 Bg3 15. Bg1 Bg4 16. Bxc6 dxe4 17. Qf1 Bxe2 18. Qxe2 Rd6 19. Bxe4 Re8 20. Nc3 Bxh2 21. Bxh2 Rh6 22. Bf5+ Kb7 23. Qf3+ c6 24. Bh3 Ree6 25. Qxf7+ Kb6 26. Bg1+ c5 27. Nd5+ Kc6 28. Nf4 Ref6 29. Qe8+ Kb7 30. Qd7+ Kb8 31. Qd8+ Kb7 32. Nd5 Qg3 33. Qd7+ Kb8 34. Nxf6 1-0

[Event "Internet Section 18-A"]
[Site "Dos Hermanas"]
[Date "2003.03.18"]
[Round "5"]
[White "Lacasa Diaz, Jose Antonio"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "C98"]
[WhiteElo "2424"]
[PlyCount "93"]
[EventDate "2003.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. a4 Rb8 10. h3 Na5 11. Bc2 c5 12. d4 Qc7 13. d5 Nb7 14. b4 c4 15. Nbd2 Nd8 16. axb5 axb5 17. Nf1 Ne8 18. Ng3 g6 19. Bh6 Ng7 20. Ra5 f6 21. Qd2 Nf7 22. Be3 Bd8 23. Rea1 Qd7 24. Ra7 Bb7 25. Nh2 Be7 26. Ng4 Ra8 27. R7a5 Rxa5 28. bxa5 Ra8 29. Bb6 Bd8 30. Qe3 f5 31. exf5 gxf5 32. Bxd8 Qxd8 33. Nh6+ Nxh6 34. Qxh6 Qe7 35. Bxf5 Nxf5 36. Nxf5 Qf7 37. Qg5+ Kh8 38. Nxd6 Qxd5 39. Nxb7 Qxb7 40. Qxe5+ Kg8 41. Qe6+ Kg7 42. a6 Qb8 43. Rd1 Ra7 44. Rd7+ Rxd7 45. Qxd7+ Kh6 46. a7 Qa8 47. Qd6+ 1-0

[Event "Internet Section 17-B"]
[Site "Dos Hermanas"]
[Date "2003.03.18"]
[Round "9"]
[White "Muehlberger, Rupert"]
[Black "Kostov, Alexander"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "148"]
[EventDate "2003.03.17"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. e5 Ne4 8. Nxd4 Nxd4 9. Qxd4 Nc5 10. Nc3 0-0 11. Nd5 Nxa4 12. Qxa4 d6 13. Nxe7+ Qxe7 14. exd6 Qxd6 15. Bf4 Qb6 16. Qb3 Qxb3 17. axb3 c6 18. c3 Be6 19. b4 Rfd8 20. Rfd1 Kf8 21. Bc7 Rxd1+ 22. Rxd1 Rc8 23. Bb6 f6 24. f3 Kf7 25. Kf2 Re8 26. Rd8 Rxd8 27. Bxd8 Bc4 28. Ke3 Ke6 29. g3 Kd5 30. Be7 f5 31. Bf8 g6 32. Bg7 Ba2 33. Kd3 Bb1+ 34. Kd2 Kc4 35. Bd4 Bd3 36. Be5 Bf1 37. Bf6 Kb3 38. Kc1 Kc4 39. Kd2 c5 40. bxc5 Kxc5 41. Kc2 Bg2 42. f4 Be4+ 43. Kd2 Kc4 44. Be7 Kb3 45. Kc1 a5 46. Bd6 a4 47. Be7 b6 48. Ba3 Kc4 49. Kd2 Bb1 50. Ke3 Be4 51. Be7 b5 52. Ba3 Bc6 53. Be7 Bd7 54. Ba3 Be6 55. Be7 Bd5 56. Ba3 Be4 57. Bd6 Kb3 58. Ba3 Kc2 59. Kd4 Kd2 60. Bc5 Ke2 61. Ke5 Kf3 62. Bd6 Kg2 63. g4 Kxh2 64. gxf5 Bxf5 65. Kf6 Kg3 66. Kg5 h5 67. c4 bxc4 68. Bb4 Kf3 69. Bd6 Kg3 70. Bb4 h4 71. Be1+ Kf3 72. Bxh4 c3 73. bxc3 a3 74. c4 a2 0-1

[Event "Internet Section 18-A"]
[Site "Dos Hermanas"]
[Date "2003.03.18"]
[Round "9"]
[White "Paz, Mayan"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2247"]
[PlyCount "153"]
[EventDate "2003.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nc3 e5 2. e4 Nc6 3. Nf3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Qf3 Be7 12. h3 Be6 13. Ne2 h6 14. Bf4 Bd6 15. Rad1 Qc7 16. Rfe1 Bxf4 17. Qxf4 Qxf4 18. Nxf4 Rfe8 19. b3 a5 20. a4 Nd7 21. Re3 Re7 22. Rde1 Rae8 23. Kf1 Kf8 24. h4 Nc5 25. R1e2 Nxd3 26. Nxd3 Bf5 27. Rxe7 Rxe7 28. Ne1 Re4 29. Rxe4 Bxe4 30. Ke2 Ke7 31. f3 Bg6 32. g3 Kd6 33. Kd2 Kc5 34. Ng2 f6 35. Nf4 Bf7 36. Nd3+ Kd6 37. c3 c5 38. b4 cxb4 39. cxb4 axb4 40. Nxb4 Kc5 41. Nd3+ Kc4 42. g4 Bg6 43. Nf4 Bf7 44. h5 Kb4 45. Kd3 Kxa4 46. Kd4 Kb5 47. Nxd5 f5 48. Ke5 fxg4 49. fxg4 g6 50. hxg6 Bxg6 51. Kf6 Bd3 52. Kg7 Kc5 53. Nf4 Bc2 54. Kxh6 Bd1 55. g5 Kd6 56. g6 Bb3 57. Nh5 Ke6 58. Nf4+ Kf6 59. Ne2 Bf7 60. g7 Bg8 61. Nf4 Kf5 62. Nh5 Ke6 63. Kg6 Ke7 64. Nf4 Ke8 65. Kf6 Kd8 66. Ne6+ Ke8 67. Ng5 Kd8 68. Nf7+ Ke8 69. Nh6 Bh7 70. Ke6 Kd8 71. Kf7 Kd7 72. Ng8 Bc2 73. Kf8 Bb3 74. Nh6 Kd8 75. Nf7+ Kd7 76. g8Q Bxf7 77. Qxf7+ 1-0

[Event "Internet Section 18-A"]
[Site "Dos Hermanas"]
[Date "2003.03.18"]
[Round "7"]
[White "Vigorito, David"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "2298"]
[PlyCount "65"]
[EventDate "2003.03.18"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. Qb3 Bxc3+ 6. Qxc3 d6 7. Bg5 Nbd7 8. Nd2 h6 9. Bh4 Bb7 10. f3 0-0 11. e3 Qe7 12. Be2 e5 13. d5 a5 14. e4 Nc5 15. Qc2 Kh8 16. g4 g5 17. Bf2 Nfd7 18. h4 Kg7 19. Nf1 Rh8 20. Ng3 Kg6 21. 0-0-0 Rag8 22. Rh3 f6 23. Rdh1 Qf8 24. Bf1 Bc8 25. Be3 Qe8 26. Qh2 Nb8 27. hxg5 Qf8 28. gxf6 Kxf6 29. Rxh6+ Rxh6 30. Bxh6 Qe8 31. Qh4+ Kf7 32. Qh5+ Rg6 33. Nf5 1-0

[Event "Internet Section 17-B"]
[Site "Dos Hermanas"]
[Date "2003.03.17"]
[Round "7"]
[White "Brea, Francis A"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "E12"]
[PlyCount "31"]
[EventDate "2003.03.17"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 b6 5. Nf3 Bb7 6. Bg5 0-0 7. e3 d6 8. Bd3 Nbd7 9. Bxh7+ Kh8 10. Bd3 Qe7 11. 0-0-0 e5 12. Bf5 Bxc3 13. Qxc3 exd4 14. Qxd4 Ne5 15. Qh4+ Kg8 16. Bxf6 1-0

[Event "Internet Section 17-B"]
[Site "Dos Hermanas"]
[Date "2003.03.17"]
[Round "2"]
[White "Kostov, Alexander"]
[Black "Kanep, Meelis"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2445"]
[PlyCount "146"]
[EventDate "2003.03.17"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 b6 3. d4 Bb7 4. Bd3 Nf6 5. Qe2 g6 6. Nf3 Bg7 7. 0-0 0-0 8. h3 cxd4 9. Nxd4 Nc6 10. Nxc6 Bxc6 11. Nd2 Qc7 12. Nf3 Qb7 13. Re1 d5 14. exd5 Bxd5 15. Bg5 Rad8 16. Rad1 h6 17. Bh4 Nh5 18. Bg3 Nxg3 19. fxg3 e6 20. Rf1 Bxa2 21. Ra1 Bd5 22. Ba6 Qc7 23. Qf2 e5 24. g4 Kh7 25. Rad1 Bb3 26. Rde1 Bd5 27. Qh4 b5 28. Qf2 b4 29. cxb4 e4 30. Nd2 Bb7 31. Bxb7 Bd4 32. Re3 Qxb7 33. Nb3 Bxe3 34. Qxe3 Qxb4 35. Nc5 Qxb2 36. Nxe4 Qd4 37. Qxd4 Rxd4 38. Nc5 Kg7 39. Ra1 Ra8 40. Na6 Rd6 41. Nc7 Rc8 42. Rxa7 Rb8 43. Ra2 Kg8 44. Na6 Rb5 45. Nc7 Rb7 46. Ra8+ Kh7 47. Ne8 Re6 48. Rc8 Rbe7 49. Nc7 Rc6 50. Nd5 Rxc8 51. Nxe7 Rc1+ 52. Kh2 Rc2 53. Nd5 Kg7 54. Ne3 Ra2 55. Nd5 Ra3 56. Nf4 Kf8 57. Nd5 Ra1 58. Ne3 Ke7 59. Nc4 Ke6 60. Ne3 Ke5 61. Nc4+ Kf4 62. Nd6 Ra7 63. Nb5 Rd7 64. Nc3 Ke3 65. Nb5 f5 66. gxf5 gxf5 67. Nc3 f4 68. Na4 Rd2 69. Nb6 Rd4 70. Kg1 f3 71. gxf3 Kxf3 72. Kh2 Rd2+ 73. Kh1 Kg3 0-1

[Event "Internet Section 16-B"]
[Site "Dos Hermanas"]
[Date "2003.03.17"]
[Round "9"]
[White "Kostov, Alexander"]
[Black "Slotopolsky, Adriana"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "93"]
[EventDate "2003.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. Nc3 Be7 6. 0-0 Ngf6 7. Re1 0-0 8. h3 b5 9. Bd3 a6 10. Be3 Bb7 11. Ne2 c5 12. d5 c4 13. Ng3 cxd3 14. cxd3 Rc8 15. Nf5 Nc5 16. Ng5 g6 17. Nh6+ Kg7 18. b4 Na4 19. Nhxf7 Rxf7 20. Ne6+ Kg8 21. Nxd8 Bxd8 22. Rc1 Be7 23. Rxc8+ Bxc8 24. f4 Nh5 25. fxe5 dxe5 26. Rf1 Nf4 27. Kh2 Bg5 28. Qd2 h6 29. Qc2 Bd7 30. Qc7 Nb2 31. Qxe5 Nbxd3 32. Qb8+ Rf8 33. Qd6 Rf7 34. g3 Bxh3 35. gxf4 Bxf1 36. fxg5 hxg5 37. e5 Rh7+ 38. Kg1 Nf4 39. Bxf4 gxf4 40. e6 Bh3 41. e7 Kf7 42. Qe5 Bd7 43. d6 g5 44. Kg2 Bc6+ 45. Kf1 Rh3 46. Qf5+ Ke8 47. Qxh3 1-0

[Event "Internet Section 17-B"]
[Site "Dos Hermanas"]
[Date "2003.03.17"]
[Round "6"]
[White "Kostov, Alexander"]
[Black "Teli, Amit P"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "102"]
[EventDate "2003.03.17"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Qf3 Nf6 4. Nc3 Qa5 5. Bc4 c6 6. h3 Bf5 7. d3 e6 8. Nge2 Bd6 9. 0-0 Nbd7 10. Ng3 Bg6 11. Nge4 Bc7 12. Bd2 Qh5 13. g4 Qe5 14. Qg2 Nxe4 15. Nxe4 Nf6 16. Nxf6+ gxf6 17. Bc3 Qg5 18. f3 0-0-0 19. Bd2 Qc5+ 20. Qf2 Qd6 21. f4 Kb8 22. Bc3 Bb6 23. d4 Bxd4 24. Bxd4 Qxd4 25. Qxd4 Rxd4 26. Bb3 Be4 27. Rae1 Bd5 28. Re3 h5 29. Bxd5 Rxd5 30. gxh5 Rhxh5 31. Rf2 Rh4 32. Kg2 Kc7 33. b3 Kd7 34. Kg3 Rhh5 35. c3 Ke7 36. c4 Rd1 37. Kg2 Rh8 38. f5 e5 39. Ree2 Rd4 40. Re3 Rdh4 41. Rd3 Rd8 42. Rg3 Rdd4 43. Rgf3 Rde4 44. Kg3 Rd4 45. Kg2 Rh5 46. Kg3 Rg5+ 47. Kh2 Rh4 48. Rd2 Rh8 49. Rdf2 Rd8 50. Re2 Rd4 51. Ref2 Rd1 1/2-1/2

[Event "Internet Section 17-B"]
[Site "Dos Hermanas"]
[Date "2003.03.17"]
[Round "4"]
[White "Kostov, Alexander"]
[Black "Wei, Phillip"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "91"]
[EventDate "2003.03.17"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. Be3 Ne4 8. 0-0 Be7 9. Na3 a6 10. Nc2 0-0 11. Re1 Nc6 12. dxc5 Qxd1 13. Raxd1 Bxc5 14. Bxc5 Nxc5 15. Ncd4 Nxd4 16. Nxd4 Bxe2 17. Rxe2 Rad8 18. Red2 Ne4 19. Rd3 Rd5 20. f3 Nc5 21. R3d2 Rfd8 22. Kf2 e5 23. Nb3 Rxd2+ 24. Rxd2 Rxd2+ 25. Nxd2 f5 26. Ke3 Kf7 27. Nc4 Ke6 28. b3 g5 29. Nb2 f4+ 30. Ke2 Kd5 31. Nd3 Nxd3 32. Kxd3 b5 33. a3 h5 34. h3 a5 35. c4+ bxc4+ 36. bxc4+ Kc5 37. Kc3 Kc6 38. Kc2 Kc5 39. Kd3 a4 40. Kc3 g4 41. hxg4 hxg4 42. fxg4 e4 43. g5 e3 44. g6 e2 45. Kd2 Kxc4 46. g7 1-0

[Event "Internet Section 17-B"]
[Site "Dos Hermanas"]
[Date "2003.03.17"]
[Round "3"]
[White "McCabe, Ed"]
[Black "Kostov, Alexander"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "152"]
[EventDate "2003.03.17"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 e6 3. Nd2 b6 4. f4 Bb7 5. Ngf3 Be7 6. Bc4 d6 7. 0-0 Nbd7 8. c3 Ne4 9. Nxe4 Bxe4 10. Nd2 Bb7 11. e4 0-0 12. e5 d5 13. Bd3 f5 14. exf6 Nxf6 15. Nf3 Bd6 16. g3 c5 17. Qe2 Qd7 18. Ne5 Qc7 19. Be3 Bxe5 20. fxe5 Nd7 21. Qh5 Rxf1+ 22. Rxf1 Nf8 23. Rf4 g6 24. Qg4 Qe7 25. h4 cxd4 26. Bxd4 Bc6 27. Qf3 Nd7 28. h5 Qg7 29. hxg6 hxg6 30. Qg4 Rf8 31. Qxg6 Qxg6 32. Bxg6 Kg7 33. Bd3 Rf7 34. Rxf7+ Kxf7 35. Kf2 Nf8 36. Kf3 Kg7 37. Kg4 Be8 38. Kg5 Ba4 39. b3 Bc6 40. a4 Nd7 41. g4 Nf8 42. Bf2 Nd7 43. Bg3 Nc5 44. Bc2 a6 45. Kf4 b5 46. axb5 axb5 47. Bh4 Na6 48. Bf6+ Kf7 49. g5 b4 50. g6+ Kg8 51. cxb4 Nxb4 52. Bd1 Nd3+ 53. Ke3 Nc5 54. Kd4 Nd7 55. Be2 Nf8 56. Bd3 Be8 57. g7 Nd7 58. b4 Bh5 59. b5 Bf7 60. Bd8 Kxg7 61. b6 Kf8 62. Bc7 Ke7 63. b7 Ke8 64. b8Q+ Nxb8 65. Bxb8 Kd7 66. Bb5+ Ke7 67. Bd6+ Kd8 68. Kc5 Bg6 69. Bc6 Bf5 70. Bb5 Bh3 71. Bd3 Bg4 72. Bg6 Bh3 73. Bf7 Bg4 74. Bf8 Bf5 75. Bg7 Bg4 76. Bf6+ Kd7 0-1

[Event "Internet Section 17-B"]
[Site "Dos Hermanas"]
[Date "2003.03.17"]
[Round "5"]
[White "Prizant, Jaroslav"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "C87"]
[WhiteElo "2483"]
[PlyCount "157"]
[EventDate "2003.03.17"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. c3 b5 7. Bc2 d6 8. h3 0-0 9. Re1 Na5 10. d4 Nc6 11. a4 Bb7 12. d5 Nb8 13. Na3 Nbd7 14. b4 c6 15. axb5 axb5 16. dxc6 Bxc6 17. Bb2 Qc7 18. Bd3 Qb7 19. Qe2 Rab8 20. c4 bxc4 21. Nxc4 Nb6 22. Na5 Qd7 23. Rec1 Rfc8 24. Rxc6 Rxc6 25. Bb5 Rbc8 26. Nxc6 Rxc6 27. Bxc6 Qxc6 28. Re1 g6 29. b5 Qc5 30. Bc1 Nc4 31. b6 Nxb6 32. Be3 Qc6 33. Rb1 Nfd7 34. Qb2 Bd8 35. Nd2 Kg7 36. Rc1 Qb7 37. f3 Qa6 38. Qb4 Qe2 39. Bf2 Nc5 40. Bxc5 dxc5 41. Qc3 Bf6 42. Nf1 c4 43. Rc2 Qd3 44. Qxd3 cxd3 45. Rd2 Nd7 46. Rxd3 Nc5 47. Rd5 Ne6 48. Ra5 Nf4 49. Kf2 Nd3+ 50. Ke3 Nf4 51. Kf2 Nd3+ 52. Kg1 Nf4 53. Ne3 Ne2+ 54. Kf2 Nf4 55. Ng4 Nd3+ 56. Ke3 Nf4 57. Kf2 Nd3+ 58. Kf1 h5 59. Ne3 Nf4 60. Nd5 Ne6 61. Ra6 Bg5 62. Kf2 Nd4 63. g3 Ne6 64. Ra5 Bf6 65. f4 exf4 66. gxf4 Bd4+ 67. Kf3 Nc5 68. e5 Nd7 69. Ne3 Nc5 70. Nc2 Bg1 71. Kg2 Nd3 72. Kxg1 Nxf4 73. Kh2 Nd3 74. Kg3 f6 75. Ra7+ Kh6 76. exf6 Ne5 77. Nd4 g5 78. f7 Kg7 79. Ne6+ 1-0

[Event "Internet Section 16-B"]
[Site "Dos Hermanas"]
[Date "2003.03.16"]
[Round "8"]
[White "Catta Preta, Daniel Martins"]
[Black "Kostov, Alexander"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2134"]
[PlyCount "72"]
[EventDate "2003.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. a3 Bxd2+ 6. Nbxd2 b6 7. e4 d6 8. Bd3 e5 9. d5 Nbd7 10. b4 0-0 11. 0-0 h6 12. Rc1 Nh5 13. Re1 Nf4 14. Bf1 f5 15. exf5 Rxf5 16. Ne4 Nf6 17. c5 Nxe4 18. Rxe4 Bb7 19. c6 Bc8 20. g3 Ng6 21. Bh3 Rf6 22. Bxc8 Rxc8 23. Kg2 Rcf8 24. Rc3 R8f7 25. Qa4 Qf8 26. Qd1 Ne7 27. Ree3 Nf5 28. Re2 Qc8 29. Qa4 Ne7 30. Qb3 Qg4 31. Qd1 e4 32. Rxe4 Qxe4 33. Rd3 Ng6 34. Re3 Qf5 35. Qa4 Ne5 36. Qxa7 Nxf3 0-1

[Event "Internet Section 16-B"]
[Site "Dos Hermanas"]
[Date "2003.03.16"]
[Round "4"]
[White "Kirk, Jim"]
[Black "Kostov, Alexander"]
[Result "0-1"]
[ECO "C69"]
[PlyCount "98"]
[EventDate "2003.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. d4 exd4 7. Qxd4 Qxd4 8. Nxd4 Bd7 9. Nc3 0-0-0 10. Be3 c5 11. Nb3 b6 12. Nd5 Ne7 13. c4 Nxd5 14. exd5 Bd6 15. Rad1 Rhe8 16. Rfe1 Re7 17. Bd2 Rde8 18. Nc1 Bf5 19. Rxe7 Rxe7 20. Re1 Rxe1+ 21. Bxe1 Be5 22. b3 Bb1 23. Ne2 Bxa2 24. f4 Bd6 25. Nc1 Bb1 26. Bd2 Kd7 27. Kf2 c6 28. dxc6+ Kxc6 29. g3 b5 30. cxb5+ axb5 31. Ne2 Bc2 32. b4 Bd3 33. Nc1 Bc4 34. Bc3 Kd5 35. Ke3 cxb4 36. Bb2 Bc5+ 37. Kd2 Bd4 38. Bxd4 Kxd4 39. Kc2 Ke3 40. Nb3 Kf2 41. Nd4 g6 42. f5 Kg2 43. g4 Kxh2 44. g5 fxg5 45. f6 g4 46. Nxb5 g3 47. Nd6 Be6 48. Ne4 g2 49. Ng5 Kg3 0-1

[Event "Internet Section 16-B"]
[Site "Dos Hermanas"]
[Date "2003.03.16"]
[Round "3"]
[White "Kostov, Alexander"]
[Black "Antic, Dejan"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2448"]
[PlyCount "48"]
[EventDate "2003.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 d5 4. exd5 exd5 5. Be3 Qb6 6. dxc5 Qxb2 7. Nd2 Qxc3 8. Ngf3 Nc6 9. Be2 Nf6 10. 0-0 Qa5 11. Nb3 Qd8 12. Nfd4 Be7 13. Qd2 0-0 14. Rfd1 Bd7 15. Bd3 Re8 16. Rac1 Rc8 17. Bf4 Nxd4 18. Nxd4 Rxc5 19. Rb1 b6 20. Nb3 Rc6 21. Nd4 Rc8 22. Nb3 Ba4 23. Bc2 Bxb3 24. Bxb3 Ne4 0-1

[Event "Internet Section 16-B"]
[Site "Dos Hermanas"]
[Date "2003.03.16"]
[Round "2"]
[White "Kostov, Alexander"]
[Black "Fancsy, Imre"]
[Result "1/2-1/2"]
[ECO "C03"]
[BlackElo "2406"]
[PlyCount "112"]
[EventDate "2003.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[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. Nd2 Nf6 4. Bd3 b6 5. Ngf3 dxe4 6. Nxe4 Bb7 7. Qe2 Nc6 8. c3 Ne7 9. Bg5 Nxe4 10. Bxe4 Bxe4 11. Qxe4 Qd5 12. Qxd5 exd5 13. 0-0 f6 14. Bf4 0-0-0 15. Rfe1 Nf5 16. Nd2 g5 17. Be3 h5 18. Nf1 h4 19. Bd2 Bd6 20. Ne3 Nxe3 21. Bxe3 Kd7 22. Re2 Rhe8 23. Rae1 Re6 24. g3 Rde8 25. Kf1 hxg3 26. hxg3 Kc6 27. Bd2 Rxe2 28. Rxe2 Rh8 29. Kg2 Kd7 30. Re1 Rh7 31. b3 g4 32. Rh1 Rxh1 33. Kxh1 Ke6 34. Kg2 Kf5 35. f3 c5 36. Be3 a5 37. a4 c4 38. bxc4 dxc4 39. d5 b5 40. axb5 a4 41. Bc1 a3 42. b6 a2 43. Bb2 gxf3+ 44. Kxf3 Ke5 45. b7 Kxd5 46. g4 Bh2 47. Ba1 Bc7 48. Bb2 Ke5 49. Ba1 f5 50. gxf5 Kxf5 51. Ke3 Ke5 52. Bb2 Kd5 53. Ba1 Bb8 54. Bb2 Kc5 55. Ke4 Ba7 56. Ke5 Bb8+ 1/2-1/2

[Event "Internet Section 16-B"]
[Site "Dos Hermanas"]
[Date "2003.03.16"]
[Round "7"]
[White "Kostov, Alexander"]
[Black "Gonzalez Cueto, Jose"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "33"]
[EventDate "2003.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4 c6 6. Nc3 Nxc3 7. dxc3 Bg4 8. Be2 Be7 9. 0-0 0-0 10. Re1 Bf6 11. Nd4 Bxe2 12. Rxe2 g6 13. Bf4 d5 14. cxd5 Qxd5 15. Rd2 Qe4 16. Qf3 Re8 17. Re2 1-0

[Event "Internet Section 16-B"]
[Site "Dos Hermanas"]
[Date "2003.03.16"]
[Round "5"]
[White "Kostov, Alexander"]
[Black "Moskow, Eric"]
[Result "1/2-1/2"]
[ECO "B22"]
[BlackElo "2200"]
[PlyCount "88"]
[EventDate "2003.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Be2 d6 7. exd6 Qxd6 8. Na3 Bg4 9. d4 cxd4 10. Nb5 Qd8 11. Nbxd4 Nxd4 12. Qxd4 Qxd4 13. Nxd4 Bxe2 14. Kxe2 a6 15. b3 e5 16. Nf3 0-0-0 17. c4 f6 18. Be3 Kc7 19. Rhd1 Ba3 20. Rxd8 Rxd8 21. Rd1 Rxd1 22. Kxd1 Nd7 23. Nh4 g6 24. Kc2 f5 25. Nf3 f4 26. Bd2 Bc5 27. Ng5 Bxf2 28. Nxh7 Bh4 29. b4 Kd6 30. Kd3 Ke6 31. Ke4 Be7 32. g3 g5 33. gxf4 gxf4 34. c5 Nb8 35. a4 Nc6 36. b5 axb5 37. axb5 Na7 38. c6 Nxb5 39. cxb7 Nd6+ 40. Kf3 Nxb7 41. Bxf4 exf4 42. Kxf4 Nd6 43. Ng5+ Bxg5+ 44. Kxg5 Kf7 1/2-1/2

[Event "Internet Section 16-B"]
[Site "Dos Hermanas"]
[Date "2003.03.16"]
[Round "1"]
[White "Pauo"]
[Black "Kostov, Alexander"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "42"]
[EventDate "2003.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 d6 3. Bxf6 gxf6 4. e4 e5 5. Nf3 Bg7 6. d4 Nc6 7. d5 Ne7 8. c4 f5 9. Bd3 fxe4 10. Bxe4 f5 11. Bc2 0-0 12. Na3 Ng6 13. Rc1 e4 14. Nd4 Qf6 15. Ne2 Bd7 16. 0-0 b6 17. Qd2 a5 18. Nf4 Nxf4 19. Qxf4 Bh6 20. Qg3+ Kh8 21. Rce1 f4 0-1

[Event "Internet Section 16-B"]
[Site "Dos Hermanas"]
[Date "2003.03.16"]
[Round "6"]
[White "Warner, Delisle"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2217"]
[PlyCount "73"]
[EventDate "2003.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. e3 d6 5. Bd3 Nbd7 6. Nbd2 b6 7. Qe2 Bb7 8. 0-0-0 e5 9. dxe5 dxe5 10. Ba6 Bxa6 11. Qxa6 Qc8 12. Qa4 0-0 13. Nb3 Re8 14. Bxf6 Nxf6 15. Nxe5 Bd6 16. Nc4 Bf8 17. Qc6 Qg4 18. h3 Qf5 19. Qf3 Qe6 20. Ncd2 c5 21. Kb1 a5 22. g4 a4 23. Nc1 Nd5 24. Nd3 a3 25. c4 Nf6 26. Qf5 Qc6 27. Ne5 Qa4 28. b3 Qa5 29. Kc2 Bd6 30. Ndf3 Be7 31. g5 Nh5 32. Qxf7+ Kh8 33. Qxh5 b5 34. g6 h6 35. Nf7+ Kg8 36. Nxh6+ Kf8 37. Qd5 1-0

[Event "Manizales op 13th"]
[Site "Manizales"]
[Date "1999.01.07"]
[Round "1"]
[White "Cabrera Pino, Alexis"]
[Black "Kostov, Alexander"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "2407"]
[PlyCount "29"]
[EventDate "1999.01.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. d4 d6 5. Nc3 Nc6 6. g3 f5 7. d5 Ne5 8. Nxe5 dxe5 9. Qh5+ Kd7 10. Bb5+ c6 11. dxc6+ bxc6 12. Bxf4 Qf6 13. Bxc6+ Qxc6 14. Qxg5 Ne7 15. Bxe5 1-0

