[Event "Sudamericano-ch U20"] [Site "Buenos Aires ARG"] [Date "2007.02.06"] [Round "1.3"] [White "Kovalyov, Anton"] [Black "Cori Tello, Jorge"] [Result "1/2-1/2"] [WhiteElo "2475"] [BlackElo "2213"] [ECO "E73"] [EventDate "2007.02.07"] [PlyCount "97"] [EventType "swiss"] [EventRounds "9"] [EventCountry "ARG"] 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 h6 7. Be3 e5 8. d5 Ne8 9. Qd2 Kh7 10. Bd3 f5 11. exf5 Bxf5 12. Nge2 Nd7 13. Ng3 Bxd3 14. Qxd3 Qh4 15. O-O Nef6 16. f3 a6 17. Bf2 Nh5 18. Nxh5 Qxh5 19. Ne4 Qf5 20. Rae1 b6 21. Re2 Nf6 22. g4 Qd7 23. Bg3 Nxe4 24. Qxe4 Rf6 25. Kg2 Raf8 26. h3 Qf7 27. b4 Qd7 28. Qd3 Kh8 29. c5 Qb5 30. Qxb5 axb5 31. cxb6 cxb6 32. Rc2 Ra8 33. Rff2 Ra3 34. Rc6 Rd3 35. Rxb6 Rxd5 36. Rb7 Kg8 37. Rc2 Rf7 38. Rb8+ Kh7 39. Be1 Rd1 40. Re2 Rd3 41. Rf2 Rd5 42. Rd2 Rxd2+ 43. Bxd2 Ra7 44. Rxb5 Rxa2 45. Rd5 e4 46. Kf1 exf3 47. Rxd6 Be5 48. Rd7+ Kg8 49. Rd8+ 1/2-1/2

[Event "Sudamericano-ch U20"] [Site "Buenos Aires ARG"] [Date "2007.02.06"] [Round "2.5"] [White "Latorre, Matias"] [Black "Kovalyov, Anton"] [Result "0-1"] [WhiteElo "2009"] [BlackElo "2475"] [ECO "B92"] [EventDate "2007.02.07"] [PlyCount "84"] [EventType "swiss"] [EventRounds "9"] [EventCountry "ARG"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. Nd5 Nbd7 10. Qd3 Bxd5 11. exd5 O-O 12. O-O g6 13. f4 exf4 14. Bxf4 Ne5 15. Bxe5 dxe5 16. Rad1 Bd6 17. c4 Nd7 18. Kh1 b6 19. Nd2 f5 20. Qh3 Kg7 21. g4 f4 22. g5 a5 23. Ne4 Nc5 24. Nxc5 Bxc5 25. Qh6+ Kh8 26. Bd3 Qd6 27. Rf3 Ra7 28. Rh3 Rg7 29. Rf1 Kg8 30. Rhf3 b5 31. Qh3 bxc4 32. Bxc4 Re7 33. Qg4 Bb6 34. b3 Bc7 35. h3 Kg7 36. R3f2 e4 37. Re1 Rf5 38. h4 f3 39. Rxe4 Rxe4 40. Qxe4 Rf4 41. Qe6 Rxh4+ 42. Kg1 Qg3+ 0-1

[Event "Sudamericano-ch U20"] [Site "Buenos Aires ARG"] [Date "2007.02.07"] [Round "3.3"] [White "Kovalyov, Anton"] [Black "Diamant, Andre"] [Result "1-0"] [WhiteElo "2475"] [BlackElo "2426"] [ECO "B36"] [EventDate "2007.02.07"] [PlyCount "117"] [EventType "swiss"] [EventRounds "9"] [EventCountry "ARG"] 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. e4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 Be6 11. Rc1 Qa5 12. b3 Rfc8 13. f3 a6 14. Na4 Qxd2+ 15. Kxd2 Nd7 16. g4 f5 17. exf5 gxf5 18. h3 Rf8 19. f4 Nf6 20. Rhg1 Rad8 21. Ke1 Bd7 22. Nb6 Bc6 23. gxf5 Be4 24. Bd4 Kh8 25. Rc3 Bxf5 26. Rcg3 Rf7 27. Nd5 e5 28. fxe5 dxe5 29. Bxe5 Bg6 30. Bxf6 Bxf6 31. Nxf6 Rxf6 32. Re3 a5 33. Rg5 b6 34. c5 bxc5 35. Rxc5 Ra8 36. a4 Rf4 37. Ree5 Bf7 38. Rc3 Rb4 39. Bd1 Rab8 40. Ree3 Bg8 41. Kd2 Bf7 42. Kc1 Bg8 43. Bc2 Bf7 44. Re7 Rf4 45. Ra7 Rf1+ 46. Kb2 Rd8 47. Rxa5 Rd2 48. Rac5 Bg6 49. a5 Rf6 50. Ka3 Bf7 51. Bd3 Rf4 52. Bc4 Bg6 53. a6 Bb1 54. Rc1 Ra2+ 55. Kb4 Bc2 56. Rxc2 Rxc2 57. Rc8+ Kg7 58. a7 Rfxc4+ 59. bxc4 1-0

[Event "Sudamericano-ch U20"] [Site "Buenos Aires ARG"] [Date "2007.02.08"] [Round "4.1"] [White "Mareco, Sandro"] [Black "Kovalyov, Anton"] [Result "1/2-1/2"] [WhiteElo "2356"] [BlackElo "2475"] [ECO "A44"] [EventDate "2007.02.07"] [PlyCount "43"] [EventType "swiss"] [EventRounds "9"] [EventCountry "ARG"] 1. d4 c5 2. d5 d6 3. c4 e5 4. Nc3 g6 5. e4 Bh6 6. Bxh6 Nxh6 7. Qd2 Ng8 8. Bd3 a6 9. f4 Nd7 10. Nf3 Ngf6 11. O-O Qe7 12. Rae1 O-O 13. f5 Kh8 14. h3 Rg8 15. g4 g5 16. Re2 h6 17. Rh2 Nh7 18. Kg2 f6 19. Rfh1 Ndf8 20. h4 Bd7 21. b3 Rb8 22. a4 1/2-1/2

[Event "Sudamericano-ch U20"] [Site "Buenos Aires ARG"] [Date "2007.02.08"] [Round "5.2"] [White "Kovalyov, Anton"] [Black "Mekhitarian, Krikor"] [Result "1/2-1/2"] [WhiteElo "2475"] [BlackElo "2416"] [ECO "A33"] [EventDate "2007.02.07"] [PlyCount "142"] [EventType "swiss"] [EventRounds "9"] [EventCountry "ARG"] 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 Be7 7. e4 O-O 8. Nf3 Qc7 9. Be2 b6 10. Bg5 a6 11. Rc1 Bb7 12. O-O Rac8 13. Re1 h6 14. Bh4 Nh5 15. Bxe7 Nxe7 16. Nd4 Nf6 17. Bf1 d6 18. Qd2 Rfd8 19. f3 Qb8 20. Qf2 Nc6 21. Nb3 Nd7 22. Nd2 Nce5 23. f4 Ng4 24. Qe2 Ngf6 25. g3 Bc6 26. h3 Qa8 27. Kh2 Rb8 28. b4 Kh8 29. Nb3 e5 30. f5 g6 31. Rcd1 Nf8 32. fxg6 fxg6 33. h4 Kg7 34. Bh3 Qb7 35. Rd3 Qe7 36. Red1 Bd7 37. Bxd7 Rxd7 38. Rf1 N8h7 39. Kg2 Rc8 40. Nd2 Rdc7 41. Rff3 Qe6 42. a4 a5 43. b5 Nf8 44. Rf1 N8d7 45. Rdf3 Rf8 46. Nd5 Rcc8 47. R1f2 Rf7 48. Nb1 Rcf8 49. Nbc3 Nxd5 50. Nxd5 Rxf3 51. Rxf3 Rxf3 52. Qxf3 Qe8 53. h5 gxh5 54. Ne3 Qg6 55. Nf5+ Kh7 56. Qd3 Qg4 57. Qe3 Qg5 58. Qd3 Qg4 59. Kg1 Nc5 60. Qxd6 Nxe4 61. Qe7+ Kh8 62. Qxe5+ Kh7 63. Qe7+ Kh8 64. Qf8+ Kh7 65. Qxh6+ Kg8 66. Qe6+ Kh7 67. Qe7+ Kg6 68. Nh4+ Kh6 69. Qf8+ Kh7 70. Qf7+ Kh6 71. Qf8+ Kh7 1/2-1/2

[Event "Sudamericano-ch U20"] [Site "Buenos Aires ARG"] [Date "2007.02.09"] [Round "6.2"] [White "Cordova, Emilio"] [Black "Kovalyov, Anton"] [Result "0-1"] [WhiteElo "2477"] [BlackElo "2475"] [ECO "D19"] [EventDate "2007.02.07"] [PlyCount "70"] [EventType "swiss"] [EventRounds "9"] [EventCountry "ARG"] 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O Nbd7 9. Qe2 Bg6 10. e4 O-O 11. Bd3 Bh5 12. e5 Nd5 13. Nxd5 cxd5 14. Qe3 Re8 15. Ng5 Bg6 16. f4 Bxd3 17. Qxd3 f5 18. g4 h6 19. gxf5 hxg5 20. f6 g4 21. Qg6 Nxf6 22. f5 Qb6 23. exf6 Qxd4+ 24. Kg2 Qxf6 25. Qxg4 Bd6 26. Bg5 exf5 27. Rxf5 Qxb2+ 28. Rf2 Qe5 29. Rh1 Qe4+ 30. Qxe4 Rxe4 31. h3 Rxa4 32. Rf5 Ra2+ 33. Kf3 Rf8 34. Rxf8+ Bxf8 35. Rd1 Ra5 0-1

[Event "Sudamericano-ch U20"] [Site "Buenos Aires ARG"] [Date "2007.02.10"] [Round "7.2"] [White "Kovalyov, Anton"] [Black "Goldwaser, Christian"] [Result "0-1"] [WhiteElo "2475"] [BlackElo "2374"] [ECO "A19"] [EventDate "2007.02.07"] [PlyCount "184"] [EventType "swiss"] [EventRounds "9"] [EventCountry "ARG"] 1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. Nf3 Nc6 6. d4 cxd4 7. Nxd4 Nxe5 8. Ndb5 a6 9. Nd6+ Bxd6 10. Qxd6 f6 11. Be3 Ne7 12. Bb6 Nf5 13. Qc5 d6 14. Qa5 Qd7 15. f4 Nc6 16. Qa3 Nce7 17. O-O-O Qc6 18. Qb3 Bd7 19. Kb1 Rc8 20. Rg1 h5 21. Be2 Kf7 22. Qb4 h4 23. b3 d5 24. Bf3 Qd6 25. Qxd6 Nxd6 26. Kb2 Rxc4 27. bxc4 Nxc4+ 28. Ka1 Nxb6 29. Rb1 Nec8 30. f5 Bc6 31. fxe6+ Kxe6 32. Rge1+ Kd6 33. Rbd1 f5 34. Ne2 g5 35. Nd4 Bd7 36. Be2 Na4 37. Nb3 Re8 38. Bd3 Rxe1 39. Rxe1 Nc3 40. Na5 b5 41. Nb7+ Kc6 42. Nd8+ Kc5 43. Nf7 Ne4 44. Rc1+ Kd4 45. Bb1 Ncd6 46. Rd1+ Kc5 47. Ne5 Be6 48. Nd3+ Kb6 49. Nb4 Nc3 50. Rd3 Nde4 51. Kb2 a5 52. Nc2 Ne2 53. Re3 Nf4 54. g3 Ng2 55. Re2 h3 56. Nd4 Bd7 57. Bd3 Kc5 58. Nf3 f4 59. gxf4 gxf4 60. Rc2+ Kd6 61. Rc1 b4 62. Rd1 Ne3 63. Rg1 Bg4 64. Nd4 Nc5 65. Bb1 Ne6 66. Nc2 Ng2 67. Kc1 Be2 68. Kd2 f3 69. Rc1 Bb5 70. Ne3 d4 71. Ng4 Nc5 72. Rg1 a4 73. Nf2 Bd7 74. Ne4+ Nxe4+ 75. Bxe4 Bg4 76. Rf1 Nh4 77. Bc2 a3 78. Bb3 Ng2 79. Rf2 Ke5 80. Bd1 Ke4 81. Bc2+ Kf4 82. Bb3 Bf5 83. Bd1 Be4 84. Bxf3 Bxf3 85. Kd3 Ke5 86. Kc4 Ke4 87. Rd2 d3 88. Kxb4 Kd4 89. Kxa3 Kc3 90. Rb2 d2 91. Rb1 Kc2 92. Rb2+ Kc1 0-1

[Event "Sudamericano-ch U20"] [Site "Buenos Aires ARG"] [Date "2007.02.10"] [Round "8.9"] [White "Di Berardino, Diego Rafael"] [Black "Kovalyov, Anton"] [Result "1-0"] [WhiteElo "2439"] [BlackElo "2475"] [ECO "B92"] [EventDate "2007.02.07"] [PlyCount "87"] [EventType "swiss"] [EventRounds "9"] [EventCountry "ARG"] 1. e4 c5 2. Nc3 a6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 Be6 10. a4 Nbd7 11. f4 exf4 12. Rxf4 Ne8 13. Rf1 Bg5 14. Bf2 Bf6 15. Nd4 Ne5 16. Nf5 Bxf5 17. exf5 Nc6 18. Nd5 Bxb2 19. Rb1 Be5 20. Rxb7 Kh8 21. Qd3 Nf6 22. Bf3 Nxd5 23. Bxd5 Ne7 24. Bf3 Rc8 25. Qxa6 Nxf5 26. Be4 Nd4 27. Kh1 f5 28. Bd3 f4 29. Bxd4 Bxd4 30. Bxh7 Qh4 31. Rb3 Be3 32. Be4 d5 33. Bxd5 Rcd8 34. Qc4 Rde8 35. Rbb1 Rf6 36. Rf3 Rh6 37. Rh3 Qg5 38. Rxh6+ Qxh6 39. a5 Bd2 40. Qb5 Qh5 41. a6 f3 42. g4 Qg6 43. a7 Rf8 44. a8=Q 1-0

[Event "Sudamericano-ch U20"] [Site "Buenos Aires ARG"] [Date "2007.02.11"] [Round "9.4"] [White "Kovalyov, Anton"] [Black "Blit, Jacques"] [Result "1-0"] [WhiteElo "2475"] [BlackElo "2306"] [ECO "D36"] [EventDate "2007.02.07"] [PlyCount "47"] [EventType "swiss"] [EventRounds "9"] [EventCountry "ARG"] 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. cxd5 exd5 5. d4 Be7 6. Bg5 O-O 7. e3 Nbd7 8. Qc2 h6 9. Bf4 c6 10. h3 Re8 11. Bd3 b6 12. O-O Bb7 13. Rac1 Rc8 14. Rfd1 c5 15. dxc5 bxc5 16. Be2 Qb6 17. Qb1 Qe6 18. Rc2 Ne4 19. Nxe4 dxe4 20. Bc4 Qg6 21. Rcd2 Qb6 22. Rxd7 exf3 23. Qf5 Bf6 24. Bxf7+ 1-0