[Event "Ramos Mejia Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.22"]
[Round "11"]
[White "Chtcherbine, Andrei"]
[Black "Barrionuevo, Pablo"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2171"]
[BlackElo "2327"]
[PlyCount "73"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "2"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 e6 3. c4 c5 4. cxd5 exd5 5. d4 Nf6 6. Nc3 Nc6 7. Bb5 Bd6 8. dxc5 Bxc5 9. Bxc6+ bxc6 10. Qa4 Qb6 11. 0-0 0-0 12. Qf4 Qb4 13. Qxb4 Bxb4 14. Bd2 Bd6 15. Rac1 Bd7 16. Rfd1 Rfc8 17. Be1 Rab8 18. b3 Ba3 19. Rc2 Bf5 20. Re2 Re8 21. Nd4 Bd7 22. f3 Bb4 23. Nc2 Bc5 24. Bf2 Bc8 25. e4 Bxf2+ 26. Kxf2 Ba6 27. Ree1 dxe4 28. Nxe4 Nd5 29. Nc5 Bb5 30. a4 Nc3 31. Rxe8+ Rxe8 32. Re1 Be2 33. Nd4 Nd1+ 34. Kg1 Nc3 35. Rc1 Nd5 36. Kf2 Nf4 37. Re1 1-0

[Event "Ramos Mejia Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.22"]
[Round "10"]
[White "Rodriguez Vila, Andres"]
[Black "Chtcherbine, Andrei"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2524"]
[BlackElo "2171"]
[PlyCount "123"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "2"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 c6 5. c4 Bb4+ 6. Nc3 0-0 7. cxd5 Qxd5 8. Nf3 Qa5 9. Qd2 c5 10. Be2 cxd4 11. exd4 Nc6 12. 0-0 Bg4 13. a3 Bd6 14. h3 Bh5 15. b4 Qd8 16. d5 Ne7 17. Rfe1 Rc8 18. Rad1 a5 19. bxa5 Bxf3 20. Bxf3 Qxa5 21. Ne4 Qxd2 22. Rxd2 Bxa3 23. Rd3 f5 24. Nf6+ gxf6 25. Rxa3 Ng6 26. d6 Rfd8 27. Rd1 Rd7 28. Be2 Rcd8 29. Rad3 Nf4 30. Rg3+ Kf8 31. Bf1 Rxd6 32. Rxd6 Rxd6 33. Rf3 Ng6 34. Rxf5 Ne5 35. f4 Ng6 36. Kf2 Kg7 37. g3 Rb6 38. Rd5 Rb2+ 39. Ke3 Rb3+ 40. Kf2 Rb2+ 41. Ke3 Rb3+ 42. Bd3 Ne7 43. Rd7 Nc6 44. Kf2 Rb2+ 45. Kf3 Rd2 46. Ke3 Rg2 47. g4 Rg3+ 48. Kf2 Rxh3 49. Bc4 h5 50. gxh5 Rxh5 51. Rxf7+ Kg6 52. Rxb7 Rh2+ 53. Kg3 Rd2 54. Bf7+ Kh6 55. Be8 Nd4 56. Rf7 Rd3+ 57. Kg2 Rd2+ 58. Kf1 Kg6 59. Rf8+ Kf5 60. Bd7+ Kxf4 61. Rxf6+ Ke3 62. Bg4 1/2-1/2

[Event "Ramos Mejia Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.20"]
[Round "9"]
[White "Chtcherbine, Andrei"]
[Black "Valiente, Cristobal"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2171"]
[BlackElo "2254"]
[PlyCount "21"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "2"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 c5 3. e3 g6 4. dxc5 Qa5+ 5. Nc3 Bg7 6. Nd2 Qxc5 7. Nb3 Qc7 8. Nb5 Qd8 9. c4 0-0 10. Be2 Nc6 11. 0-0 1/2-1/2

[Event "Ramos Mejia Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.19"]
[Round "8"]
[White "Goldwaser, Christian"]
[Black "Chtcherbine, Andrei"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2356"]
[BlackElo "2171"]
[PlyCount "33"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "2"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. 0-0 Nc6 7. Nc3 cxd4 8. exd4 Be7 9. Re1 0-0 10. Bg5 Nb4 11. Ne5 Nfd5 12. Nxd5 Nxd5 13. Bxd5 Bxg5 14. Be4 f6 15. Nf3 Bh6 16. d5 Qb6 17. Bc2 1/2-1/2

[Event "Ramos Mejia Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.18"]
[Round "7"]
[White "Chtcherbine, Andrei"]
[Black "Daneri, Martin"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2171"]
[BlackElo "2149"]
[PlyCount "73"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "2"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. c3 0-0 7. d3 d6 8. Bxc6 bxc6 9. e5 Nd5 10. Qa4 Qb6 11. Nbd2 Qb5 12. Qxb5 cxb5 13. exd6 exd6 14. Ne4 Rd8 15. Nxd6 Nxc3 16. bxc3 Bxc3 17. Bf4 Bg4 18. Rac1 Bxe1 19. Nxe1 g5 20. Bg3 Be6 21. Rxc5 f5 22. Nxf5 Bxa2 23. Rxb5 a5 24. Ne7+ Kf7 25. Nc6 Re8 26. Nf3 a4 27. Nxg5+ Kg6 28. Ne4 h6 29. Ne5+ Rxe5 30. Bxe5 a3 31. Bc3 Rd8 32. Rb6+ Kf7 33. Nd6+ Kg8 34. Bb4 Bb1 35. Bxa3 Bxd3 36. f3 Ra8 37. Bb2 1-0

[Event "Ramos Mejia Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.18"]
[Round "6"]
[White "Quiroga, Facundo"]
[Black "Chtcherbine, Andrei"]
[Result "1/2-1/2"]
[ECO "D28"]
[WhiteElo "2329"]
[BlackElo "2171"]
[PlyCount "81"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "2"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. Qe2 c5 7. 0-0 Nc6 8. Rd1 Qc7 9. Nc3 Be7 10. e4 cxd4 11. Nxd4 Nxd4 12. Rxd4 Bc5 13. Rd1 h5 14. h3 b5 15. Bd3 Qg3 16. Bxb5+ Ke7 17. Rd3 Qxf2+ 18. Qxf2 Bxf2+ 19. Kxf2 axb5 20. Bf4 Bb7 21. Bd6+ Ke8 22. Ke3 Bc6 23. Rad1 Nd7 24. a3 f5 25. exf5 exf5 26. Kf4 Kf7 27. Re1 Rae8 28. Rde3 Rxe3 29. Rxe3 Rh6 30. Re7+ Kf6 31. Nd5+ Bxd5 32. Rxd7 g5+ 33. Kg3 Ke6 34. Rd8 Rh7 35. Bb4 f4+ 36. Kf2 Rd7 37. Rh8 g4 38. Rh6+ Kf7 39. hxg4 hxg4 40. g3 fxg3+ 41. Kxg3 1/2-1/2

[Event "Ramos Mejia Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.17"]
[Round "5"]
[White "Chtcherbine, Andrei"]
[Black "Guerrero, Alvaro"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2171"]
[BlackElo "2178"]
[PlyCount "135"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "2"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Nh6 11. dxe5 fxe5 12. Bg5 Qd7 13. Nd5 Kh8 14. Qd2 Ng8 15. Rac1 Nd8 16. Ne1 c6 17. Nc3 Ne6 18. Bg4 Qc7 19. Bxe6 Bxe6 20. b3 Rf7 21. Nd3 Re8 22. Kh1 Bc8 23. c5 dxc5 24. Nxc5 h6 25. Be3 b6 26. N5a4 Qe7 27. Rfd1 Qh4 28. Qd6 Nf6 29. f3 Bb7 30. Qd2 g5 31. g3 Qh3 32. Qg2 Qxg2+ 33. Kxg2 g4 34. fxg4 c5 35. Rf1 Ref8 36. g5 Ng4 37. Bg1 hxg5 38. Rxf7 Rxf7 39. Nd5 Nf6 40. Nxf6 Bxf6 41. Nc3 Rd7 42. Be3 Rd3 43. Kf2 g4 44. Rc2 Kg7 45. Ke2 Ba6 46. Kf2 Kg6 47. Nd5 Bb7 48. Rd2 Rxd2+ 49. Bxd2 Bxd5 50. exd5 Kf5 51. Ke2 Ke4 52. d6 Kd5 53. d7 Ke6 54. Kd3 Kxd7 55. Ke4 Ke6 56. a4 a6 57. Bc3 b5 58. axb5 axb5 59. Bb2 Bg5 60. Bxe5 Be3 61. Bb2 Bg1 62. Kf4 Bxh2 63. Kxg4 Kd5 64. Kf3 Bxg3 65. Kxg3 Ke4 66. Bf6 Kd3 67. Be7 Kc2 68. Bxc5 1/2-1/2

[Event "Ramos Mejia Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.16"]
[Round "4"]
[White "Mayorga, Nicolas"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "2306"]
[BlackElo "2171"]
[PlyCount "64"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "2"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Nf6 3. c4 Bg7 4. Nc3 d5 5. Bg5 Ne4 6. Bh4 Nxc3 7. bxc3 dxc4 8. e3 b5 9. a4 c6 10. axb5 cxb5 11. Ng5 Bb7 12. Qb1 Qd7 13. Qb4 0-0 14. Nf3 Re8 15. Be2 e5 16. Nxe5 Bxe5 17. dxe5 Bxg2 18. Rg1 Bc6 19. Bg4 Qc7 20. Bg3 a5 21. Qa3 b4 22. Qc1 Qb7 23. cxb4 axb4 24. Rxa8 Qxa8 25. Qxc4 Qa1+ 26. Ke2 Qxg1 27. e6 f6 28. Qd4 Qc1 29. Qa7 Bb5+ 30. Kf3 Qh1+ 31. Kf4 g5+ 32. Kf5 Qd5+ 0-1

[Event "Ramos Mejia Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.15"]
[Round "3"]
[White "Chtcherbine, Andrei"]
[Black "Ginzburg, Maximiliano"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2171"]
[BlackElo "2455"]
[PlyCount "40"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "2"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 dxc4 3. e3 c5 4. Bxc4 Nc6 5. Qb3 e6 6. 0-0 a6 7. a4 Nf6 8. d4 cxd4 9. Rd1 Na5 10. Qa2 Nxc4 11. Qxc4 Bd7 12. Qxd4 Qc7 13. b3 Bc5 14. Qc4 Rc8 15. Bb2 b5 16. axb5 Bxb5 17. Qc2 Qb7 18. Bxf6 gxf6 19. Qb2 Rg8 20. Nh4 Qe4 0-1

[Event "Ramos Mejia Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.15"]
[Round "2"]
[White "Larrea, Manuel"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2276"]
[BlackElo "2171"]
[PlyCount "87"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "2"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 b6 5. e5 Nfd7 6. d4 c5 7. c3 g5 8. Bb5 a6 9. Ba4 b5 10. Bc2 g4 11. Ng1 cxd4 12. cxd4 Nc6 13. Ne2 a5 14. Nf1 Qb6 15. h3 Bb4+ 16. Bd2 Nxd4 17. Bxb4 Nxc2+ 18. Qxc2 axb4 19. hxg4 Nxe5 20. Rxh7 Rg8 21. Ne3 Bb7 22. Qd2 b3 23. a3 b4 24. a4 Nxg4 25. Nd4 Nxe3 26. fxe3 Rc8 27. Qf2 Rc7 28. Nb5 Rd7 29. Qf4 Qc5 30. Rd1 Qc2 31. Nd6+ Kd8 32. Nxf7+ Kc8 33. Nd6+ Rxd6 34. Qxd6 Qxh7 35. Rc1+ Qc2 36. Rxc2+ bxc2 37. Qc5+ Kd7 38. Qxc2 Kd6 39. Qd2 Rg4 40. Qe2 Rc4 41. b3 Rc1+ 42. Kd2 Rc5 43. Qf3 Rc3 44. Qf8+ 1-0

[Event "Ramos Mejia Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.14"]
[Round "1"]
[White "Nedilsky, Diego"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2285"]
[BlackElo "2171"]
[PlyCount "101"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "2"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 g6 4. 0-0 Bg7 5. c4 dxc4 6. Qa4+ c6 7. Qxc4 0-0 8. Nc3 Be6 9. Qa4 Nbd7 10. d4 Nb6 11. Qc2 Nfd5 12. Nxd5 cxd5 13. Bf4 Rc8 14. Qb3 Rc4 15. Rac1 Qc8 16. Qa3 Qd7 17. Qxa7 Nc8 18. Qa3 Bxd4 19. Nxd4 Rxd4 20. Rc7 Qb5 21. Bh6 Re8 22. Qe3 Qb6 23. Rxb7 Qxb7 24. Qxd4 f6 25. Rd1 Rd8 26. e4 Bf7 27. e5 Qa6 28. exf6 exf6 29. Rc1 Ne7 30. g4 Qe6 31. Be3 Ra8 32. a3 Nc6 33. Qb6 Ne5 34. Qxe6 Bxe6 35. Bd4 Nxg4 36. h3 Ne5 37. Re1 Rc8 38. Bxe5 fxe5 39. Rxe5 Rc1+ 40. Kh2 Kf7 41. Bxd5 Bxd5 42. Rxd5 Rc2 43. Rb5 Rxf2+ 44. Kg3 Rc2 45. a4 Ke6 46. a5 Kd6 47. Rb6+ Kc7 48. b4 Rc4 49. h4 Rd4 50. Rb5 h5 51. a6 1-0

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.15"]
[Round "9"]
[White "Chtcherbine, Andrei"]
[Black "Fiori, Hector Dionisio"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2269"]
[BlackElo "2180"]
[PlyCount "121"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. e3 d5 4. b3 c6 5. Bb2 a5 6. cxd5 exd5 7. Be2 Bd6 8. Ne5 0-0 9. 0-0 Qe7 10. f4 Nbd7 11. d4 Ne4 12. Bd3 f6 13. Nf3 Re8 14. Qc2 Nf8 15. Bxe4 Qxe4 16. Qxe4 Rxe4 17. Kf2 Bd7 18. Ba3 Bc7 19. Nc3 Ree8 20. Rac1 Ne6 21. f5 Nf8 22. g4 Rac8 23. Na4 b6 24. h3 h6 25. Bxf8 Kxf8 26. Nh4 c5 27. dxc5 Bxa4 28. bxa4 bxc5 29. Rfd1 d4 30. exd4 cxd4 31. Kf1 Bb6 32. Ng6+ Kf7 33. Rxc8 Rxc8 34. Rb1 Rc6 35. Ke2 Ke8 36. Kd2 Bc5 37. Kd3 Bb4 38. Kxd4 Rc3 39. Re1+ Kd7 40. Nf4 Rf3 41. Re4 Ra3 42. Kd5 Rxa2 43. Nd3 Rd2 44. Rd4 Rh2 45. Nxb4 axb4 46. Rxb4 Rd2+ 47. Kc5 Kc7 48. Rb3 Re2 49. Kb5 Kb7 50. Ka5+ Ka7 51. Rd3 Re5+ 52. Kb4 Re7 53. Kc5 Kb7 54. Kd6 Re4 55. Rc3 Kb8 56. a5 Ra4 57. Ke7 Rxa5 58. Kf8 h5 59. Kxg7 hxg4 60. hxg4 Ra6 61. g5 1-0

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.14"]
[Round "8"]
[White "Montoro, Gustavo Ernesto"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "2111"]
[BlackElo "2269"]
[PlyCount "72"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 e6 5. Nf3 Nxc3 6. bxc3 c5 7. 0-0 Be7 8. d4 0-0 9. Qe2 Nd7 10. Rd1 Nf6 11. Bg5 Qc7 12. Rab1 b6 13. Ne5 Nd5 14. Bxe7 Qxe7 15. Ng6 hxg6 16. Bxd5 Rb8 17. Bc4 Qc7 18. Bd3 Bb7 19. Re1 Rbd8 20. Qg4 cxd4 21. cxd4 Qc3 22. Re3 Qxd4 23. Qh3 e5 24. c3 Qf4 25. g3 Qa4 26. Rb4 Qd1+ 27. Bf1 Ba6 28. Rxe5 Bxf1 29. Qxf1 Qc2 30. Re2 Qxc3 31. Rh4 Rd4 32. f4 Qc5 33. Kh1 Rfd8 34. Qh3 Rd1+ 35. Kg2 Rg1+ 36. Kf3 Rd3+ 0-1

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.13"]
[Round "7"]
[White "Chtcherbine, Andrei"]
[Black "Goiriz, Yahari Damian"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2269"]
[BlackElo "2037"]
[PlyCount "71"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 d5 3. Bb2 f6 4. e3 e5 5. d4 cxd4 6. exd4 e4 7. Nfd2 f5 8. c4 Nf6 9. Nc3 Be6 10. cxd5 Nxd5 11. Bb5+ Nc6 12. 0-0 Bd6 13. Nxd5 Bxd5 14. Qh5+ g6 15. Qh6 Qc7 16. Nc4 Bf4 17. Qh3 0-0 18. Ne3 Bxe3 19. fxe3 a6 20. Bc4 Qd7 21. Rac1 b5 22. Bxd5+ Qxd5 23. Rc5 Qd7 24. Rfc1 Rac8 25. Qh6 Nb4 26. Rxc8 Rxc8 27. Rxc8+ Qxc8 28. d5 Qf8 29. Qf4 Qc5 30. d6 Qd5 31. Bd4 Nc6 32. Bf6 Kf7 33. Bg5 Ke6 34. Qh4 h5 35. Bf4 Ne5 36. Qe7# 1-0

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.11"]
[Round "6"]
[White "Di Pasquale, Luciano"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "A09"]
[BlackElo "2269"]
[PlyCount "76"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 c5 5. Bxc4 cxd4 6. 0-0 Qc7 7. Qxd4 Nc6 8. Qc3 e6 9. b3 Bd7 10. Ba3 Bxa3 11. Nxa3 a6 12. Bd3 e5 13. e4 Bg4 14. Nc2 Bxf3 15. gxf3 Rc8 16. Rfd1 0-0 17. Ne3 Qd7 18. Bb5 Nd4 19. Bxd7 Rxc3 20. f4 Nxd7 21. Nd5 Rc2 22. Kg2 Nc5 23. fxe5 Nde6 24. Ne3 Rb2 25. Nc4 Re2 26. Re1 Rxe4 27. Rxe4 Nxe4 28. Kf3 f5 29. Ke3 Rd8 30. f3 N4c5 31. Nd6 f4+ 32. Kd2 Nd4 33. Kc3 Nxf3 34. Kc4 Ne4 35. Kd5 Nxd6 36. exd6 Ng5 37. Rf1 Nf7 38. Rxf4 Rxd6+ 0-1

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.10"]
[Round "5"]
[White "Chtcherbine, Andrei"]
[Black "Dominguez, Antonio"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2269"]
[PlyCount "115"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. g3 Nf6 4. d3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. Nh4 Nc6 8. f4 e6 9. c3 Bd7 10. Be3 Qb6 11. Rf2 Qc7 12. h3 Rfe8 13. Nd2 b5 14. Nf1 b4 15. d4 bxc3 16. bxc3 cxd4 17. cxd4 d5 18. e5 Ne4 19. Bxe4 dxe4 20. Nd2 f6 21. Nxe4 fxe5 22. fxe5 Rf8 23. Rc2 Qd8 24. Rb1 Ne7 25. Rc5 Nf5 26. Bg5 Qe8 27. Nxf5 gxf5 28. Nd6 Qg6 29. Bf4 Bh6 30. Kh2 Bxf4 31. gxf4 Rab8 32. Rc3 Rxb1 33. Qxb1 Qh5 34. Rg3+ Kh8 35. d5 exd5 36. Qb2 Be6 37. Qd4 Qe2+ 38. Rg2 Qa6 39. Qc3 Qf1 40. Qb4 Rg8 41. Rxg8+ Bxg8 42. Qd4 Be6 43. Nb7 Qe2+ 44. Kg3 Qe1+ 45. Qf2 Qc3+ 46. Kh4 Qc7 47. Nc5 Qe7+ 48. Kg3 Bg8 49. Qd4 Kg7 50. Qb4 Kh6 51. Na6 Qg7+ 52. Kh2 Kh5 53. Qb1 Qg6 54. Nc5 Qf7 55. e6 Qf6 56. Qd1+ Kg6 57. Qg1+ Kh5 58. Qxg8 1-0

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.08"]
[Round "4"]
[White "Costanzo, Hugo Fernando"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "B22"]
[BlackElo "2269"]
[PlyCount "91"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 cxd4 7. cxd4 e6 8. Nc3 Bb4 9. 0-0 Bxc3 10. bxc3 Nge7 11. h3 Bh5 12. Rb1 Qd7 13. Qb3 b6 14. Rd1 Bxf3 15. Bxf3 Na5 16. Qb5 Qxb5 17. Rxb5 Rc8 18. d5 exd5 19. Bxd5 0-0 20. Ba3 Rfe8 21. Re1 Ng6 22. Rxe8+ Rxe8 23. Bb4 Re1+ 24. Kh2 Rb1 25. a4 Rb2 26. Kg3 Ne5 27. Bxa5 Rxb5 28. axb5 bxa5 29. Kf4 Ng6+ 30. Ke3 Kf8 31. c4 Ne7 32. Be4 f5 33. Bc2 Ke8 34. Kd4 Kd7 35. c5 g6 36. Bb3 a6 37. b6 Nc6+ 38. Kd5 Ne7+ 39. Kc4 f4 40. Ba4+ Kc8 41. c6 g5 42. Kd4 Nf5+ 43. Ke5 Ng7 44. Bc2 h6 45. Kd6 Ne8+ 46. Ke7 1-0

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.06"]
[Round "2"]
[White "Amed, Stephanie"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2106"]
[BlackElo "2269"]
[PlyCount "75"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 Nb6 4. Nf3 d5 5. exd6 cxd6 6. Bd3 g6 7. 0-0 Bg7 8. a4 0-0 9. c3 Bd7 10. a5 Nd5 11. Qb3 Bc6 12. c4 Nc7 13. d5 Bd7 14. Nc3 Nba6 15. Be3 Qc8 16. Rfe1 Re8 17. Rac1 Nc5 18. Bxc5 dxc5 19. Ne4 Na6 20. Rcd1 Nb4 21. Bb1 h6 22. Qe3 b6 23. axb6 axb6 24. Nc3 Bf5 25. Bxf5 Qxf5 26. Qd2 g5 27. Nb5 g4 28. Nh4 Qd7 29. Qf4 Nc2 30. Nf5 Kh7 31. Nxg7 Kxg7 32. Re4 Ra2 33. Nc7 Rc8 34. Ne6+ fxe6 35. Rxe6 Qa7 36. Qxg4+ Kf8 37. Qf5+ Ke8 38. Rxh6 1-0

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.04"]
[Round "1"]
[White "Chtcherbine, Andrei"]
[Black "Truviano, Sebastian"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2269"]
[PlyCount "115"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b4 Bg7 4. Bb2 d6 5. e3 0-0 6. Be2 Nbd7 7. 0-0 c6 8. d4 Qc7 9. Nc3 e5 10. dxe5 dxe5 11. Qc2 Re8 12. e4 Nf8 13. Na4 Bg4 14. Ne1 Bxe2 15. Qxe2 Ne6 16. Nd3 Nd4 17. Bxd4 exd4 18. f3 Nd7 19. Qd2 b6 20. c5 b5 21. Nab2 h5 22. a4 Kh7 23. axb5 cxb5 24. Ra6 Nb8 25. Ra5 a6 26. Rfa1 Qb7 27. c6 Qxc6 28. Nc5 Be5 29. Nbd3 Bc7 30. R5a3 Qd6 31. g3 h4 32. g4 f5 33. gxf5 gxf5 34. Qf2 Rg8+ 35. Kh1 h3 36. e5 Qh6 37. Qxd4 Nc6 38. Qd7+ Rg7 39. Qxf5+ Kg8 40. Qe6+ Qxe6 41. Nxe6 Re7 42. Nxc7 Rxc7 43. Rc1 Rcc8 44. Rac3 Ne7 45. Rxc8+ Rxc8 46. Rxc8+ Nxc8 47. Nc5 Ne7 48. Nxa6 Nd5 49. Kg1 Kf7 50. Nc5 Nxb4 51. Kf2 Nc6 52. f4 Kg6 53. Ke3 b4 54. Ke4 Na5 55. f5+ Kf7 56. e6+ Kf6 57. Nd7+ Ke7 58. Kd5 1-0

[Event "Villa Ballester CAVB-ch"]
[Site "Villa Ballester"]
[Date "2005.03.18"]
[Round "9"]
[White "Diaz, Diego Patricio"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "C98"]
[WhiteElo "2074"]
[BlackElo "2225"]
[PlyCount "46"]
[EventDate "2005.03.10"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. a3 Ne8 14. b4 exd4 15. cxd4 Bf6 16. e5 dxe5 17. dxe5 Nxe5 18. Nxe5 Bxe5 19. Qh5 f5 20. Rb1 Nf6 21. Qh4 cxb4 22. axb4 Qxc2 23. Rxe5 Ne4 0-1

[Event "Villa Ballester CAVB-ch"]
[Site "Villa Ballester"]
[Date "2005.03.17"]
[Round "8"]
[White "Chtcherbine, Andrei"]
[Black "Sambuco Salomone, Lucas"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2225"]
[BlackElo "2007"]
[PlyCount "115"]
[EventDate "2005.03.10"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Qe2 dxe4 4. dxe4 b6 5. c3 Bb7 6. Nf3 Nd7 7. Bg5 Be7 8. Bxe7 Qxe7 9. Nbd2 e5 10. Qc4 Nc5 11. b4 Ba6 12. Qd5 Bb7 13. Qxe5 Nxe4 14. Bb5+ Kf8 15. Nxe4 Bxe4 16. 0-0-0 c6 17. Bc4 Bxf3 18. Qxe7+ Kxe7 19. gxf3 Nh6 20. Rhe1+ Kf6 21. Rd6+ Kf5 22. Bd3+ Kf4 23. Be4 Rhd8 24. Rxd8 Rxd8 25. Bxc6 Nf5 26. Re4+ Kg5 27. Rg4+ Kf6 28. b5 Ne7 29. Ra4 Rc8 30. Rxa7 Nxc6 31. bxc6 Rxc6 32. Kc2 Kg6 33. a4 Rf6 34. Ra6 h5 35. c4 Rxf3 36. Rxb6+ f6 37. Rd6 Ra3 38. Rd2 Rxa4 39. Kd3 Kf5 40. c5 Ke5 41. Kc3 Ra1 42. Kc4 Rc1+ 43. Kb5 Rb1+ 44. Ka6 Ke6 45. c6 Rc1 46. Kb7 Rb1+ 47. Kc8 Rc1 48. c7 Ke7 49. Rd7+ Ke8 50. Rxg7 h4 51. Rg4 Rc2 52. Rxh4 Rxf2 53. Re4+ Kf7 54. Rc4 Rxh2 55. Kd7 Rh8 56. c8Q Rxc8 57. Rxc8 f5 58. Kd6 1-0

[Event "Villa Ballester CAVB-ch"]
[Site "Villa Ballester"]
[Date "2005.03.15"]
[Round "6"]
[White "Garcia, Ezequiel Alejandro"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "C62"]
[BlackElo "2225"]
[PlyCount "71"]
[EventDate "2005.03.10"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Nc3 Nc6 4. Bb5 Bd7 5. d4 exd4 6. Nxd4 Be7 7. Be3 Nxd4 8. Bxd4 Bf6 9. Bxd7+ Qxd7 10. Nd5 Bxd4 11. Qxd4 f6 12. 0-0-0 Ne7 13. f4 Nc6 14. Qc3 0-0-0 15. Rhe1 Rhe8 16. Nb4 Nxb4 17. Qxb4 Qc6 18. Rd5 Rd7 19. g3 Rde7 20. Qd4 Qa6 21. a3 Qb6 22. Qd3 Qf2 23. Re2 Qg1+ 24. Kd2 Qh1 25. e5 fxe5 26. fxe5 g6 27. Qd4 dxe5 28. Qc5 e4 29. Rd4 e3+ 30. Kc3 Re6 31. Rc4 Rc6 32. Qxa7 Rxc4+ 33. Kxc4 Qf1 34. Qa8+ Kd7 35. Qa4+ c6 36. Kd3 0-1

[Event "Villa Ballester CAVB-ch"]
[Site "Villa Ballester"]
[Date "2005.03.14"]
[Round "5"]
[White "Chtcherbine, Andrei"]
[Black "Chadwick, Norman William"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2225"]
[BlackElo "2220"]
[PlyCount "70"]
[EventDate "2005.03.10"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nc6 5. e4 d6 6. c3 e5 7. Re1 Nge7 8. d3 0-0 9. Be3 h6 10. Qd2 Kh7 11. d4 b6 12. dxe5 dxe5 13. Na3 Be6 14. Bf1 Na5 15. b3 Qc7 16. Rad1 a6 17. Qd6 Rfc8 18. Nc4 Nxc4 19. Bxc4 Bxc4 20. bxc4 Nc6 21. Qxc7 Rxc7 22. Rd5 Na5 23. Nd2 Re8 24. Kf1 Bf6 25. Ke2 Kg7 26. Kd3 Re6 27. f4 Nc6 28. f5 Re8 29. fxg6 fxg6 30. Rf1 Rf7 31. Ke2 Rd8 32. Rb1 Rb8 33. Rd6 Rc7 34. Bxc5 bxc5 35. Rxc6 Rcb7 1-0

[Event "Villa Ballester CAVB-ch"]
[Site "Villa Ballester"]
[Date "2005.03.13"]
[Round "4"]
[White "Rey Besada, Fernando"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "2202"]
[BlackElo "2225"]
[PlyCount "80"]
[EventDate "2005.03.10"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nb3 d6 7. Be2 Nf6 8. g4 Be6 9. f4 Qb6 10. f5 Bxb3 11. axb3 Qd4 12. Ra4 Qxd1+ 13. Bxd1 Nd7 14. 0-0 Nc5 15. Ra1 Bxc3 16. bxc3 Nxe4 17. Bf3 gxf5 18. Kh1 Rg8 19. gxf5 Nxc3 20. Bb2 Nb5 21. c4 Nc7 22. Rg1 Kd7 23. f6 e5 24. Bg4+ Ne6 25. Rad1 Rg6 26. c5 Rxf6 27. Rxd6+ Ke7 28. Bc1 Rg8 29. Bxe6 Rxg1+ 30. Kxg1 Rxe6 31. Rd3 Nd4 32. Kf2 h6 33. Rh3 Nf5 34. Ke2 Rg6 35. b4 Ke6 36. Rh5 f6 37. Kd3 a6 38. Bd2 Rg7 39. Ke4 Rg4+ 40. Kd3 e4+ 0-1

[Event "Villa Ballester CAVB-ch"]
[Site "Villa Ballester"]
[Date "2005.03.12"]
[Round "3"]
[White "Chtcherbine, Andrei"]
[Black "Sosiuk, Ezequiel"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2225"]
[BlackElo "2106"]
[PlyCount "75"]
[EventDate "2005.03.10"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 g6 6. 0-0 Bg7 7. c3 Bg4 8. h3 Bxf3 9. Bxf3 0-0 10. d3 e6 11. Be3 Qe7 12. d4 cxd4 13. cxd4 d5 14. e5 Nd7 15. Nd2 Nb6 16. Rfc1 Rac8 17. b3 Qa3 18. Nf1 a5 19. Rc2 a4 20. Rb1 Qb4 21. Qd1 a3 22. Rbc1 f6 23. Bg4 Rce8 24. f4 fxe5 25. fxe5 h5 26. Be2 Qe7 27. Bb5 Rf7 28. Bxc6 bxc6 29. Rxc6 Nd7 30. Rc8 Rxc8 31. Rxc8+ Kh7 32. Nh2 Bh6 33. Bxh6 Kxh6 34. Nf3 Rf5 35. h4 Qf7 36. Kg2 Qe7 37. Ng5 Nf8 38. Qc1 1-0

[Event "Villa Ballester CAVB-ch"]
[Site "Villa Ballester"]
[Date "2005.03.11"]
[Round "2"]
[White "Alvarez, Roberto Gabriel"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2133"]
[BlackElo "2225"]
[PlyCount "49"]
[EventDate "2005.03.10"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be2 0-0 9. Rb1 Nc6 10. d5 Bxc3+ 11. Bd2 Bxd2+ 12. Qxd2 Na5 13. h4 Bg4 14. h5 gxh5 15. Ng5 Bxe2 16. Qxe2 Qd6 17. Nxh7 Rfd8 18. Rxh5 f6 19. e5 Qxd5 20. Qg4+ Kf7 21. Ng5+ Kf8 22. Rh8+ Kg7 23. Ne6+ Kf7 24. Nxd8+ Rxd8 25. e6+ 1-0

[Event "Villa Ballester CAVB-ch"]
[Site "Villa Ballester"]
[Date "2005.03.10"]
[Round "1"]
[White "Chtcherbine, Andrei"]
[Black "Perez, Maximiliano"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2225"]
[PlyCount "97"]
[EventDate "2005.03.10"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. d4 d5 8. exd5 Nxd5 9. Bxc6 bxc6 10. dxc5 Bg4 11. h3 Bxf3 12. Qxf3 Rb8 13. Nd2 Qa5 14. Ne4 h6 15. Qg3 e5 16. b4 Qd8 17. Bb2 Kh7 18. c4 Nf4 19. Nd6 f6 20. Bc3 Qc7 21. Kh1 Ne6 22. Rad1 a5 23. a3 Ra8 24. Ra1 Ra7 25. Qe3 axb4 26. axb4 Rfa8 27. Rxa7 Rxa7 28. b5 Ra3 29. b6 Qb8 30. Ra1 Rxa1+ 31. Bxa1 Bf8 32. Ne4 Be7 33. Qd2 Qb7 34. Qa5 Kg7 35. Bc3 Nd8 36. Qa7 Kf7 37. Bb4 Ke6 38. Nc3 Bf8 39. Ne4 f5 40. Nd2 g5 41. Nb3 Qd7 42. Kh2 e4 43. Bc3 Nb7 44. Qb8 Ke7 45. Nd4 Kf7 46. Qc7 Ke8 47. Qe5+ Kd8 48. Ne6+ Ke7 49. Qf6+ 1-0

[Event "Villa Ballester IRT op"]
[Site "Villa Ballester"]
[Date "2005.02.02"]
[Round "9"]
[White "Chtcherbine, Andrei"]
[Black "Granara Barreto, Sebastian A"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2225"]
[BlackElo "2238"]
[PlyCount "77"]
[EventDate "2005.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. e3 d5 4. b3 Be7 5. Bb2 0-0 6. Be2 c5 7. 0-0 Nc6 8. cxd5 Nxd5 9. d3 Bf6 10. Qc1 Bxb2 11. Qxb2 Qe7 12. Nbd2 b6 13. Rac1 Bb7 14. a3 Rad8 15. Rc2 e5 16. Rfc1 Rd6 17. Ne1 f5 18. Bf3 Nf6 19. Bxc6 Bxc6 20. b4 Nd7 21. bxc5 bxc5 22. Nb3 Ba4 23. Qc3 Qe6 24. Rb2 Rb6 25. Nd2 Rxb2 26. Qxb2 Rb8 27. Qc3 Qd5 28. Nef3 Bb5 29. Ne1 h6 30. h3 Rb6 31. Nc4 Rg6 32. Qa5 Bc6 33. f3 Bb7 34. Qc7 e4 35. dxe4 fxe4 36. fxe4 Qxe4 37. Qxd7 Bd5 38. Rc2 Qh4 39. Qxd5+ 1-0

[Event "Villa Ballester IRT op"]
[Site "Villa Ballester"]
[Date "2005.02.01"]
[Round "8"]
[White "Chtcherbine, Andrei"]
[Black "Rey Besada, Fernando"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2225"]
[BlackElo "2202"]
[PlyCount "98"]
[EventDate "2005.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 c5 5. d3 e6 6. Nbd2 Be7 7. a4 d6 8. e4 0-0 9. Nc4 a6 10. Bd2 Nbd7 11. Ne3 Qc7 12. Re1 c4 13. Nxc4 Nxe4 14. dxe4 Qxc4 15. Bc3 Rfd8 16. Re3 Qc7 17. Qe1 Bf6 18. Rd1 Rac8 19. Bxf6 Nxf6 20. Rd2 h6 21. Nd4 Qb8 22. f3 Nd7 23. Bh3 Re8 24. b3 Rcd8 25. c4 Ne5 26. Rde2 Qc7 27. f4 Nc6 28. Nc2 Na5 29. Bg2 b5 30. cxb5 axb5 31. axb5 Qb6 32. Kh1 Qxb5 33. Na3 Qb6 34. b4 Nc6 35. b5 Ne7 36. Rd3 d5 37. e5 d4 38. Qb1 Nf5 39. Nc2 Rc8 40. g4 Nh4 41. Bxb7 Qxb7+ 42. Kg1 Rc4 43. Na3 Rc5 44. Rb3 Rec8 45. Nc2 d3 46. Rxd3 Rxb5 47. Qf1 Rb1 48. Rd1 Rxd1 49. Qxd1 Qf3 0-1

[Event "Villa Ballester IRT op"]
[Site "Villa Ballester"]
[Date "2005.01.30"]
[Round "7"]
[White "Pires, Carlos Martin"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "A49"]
[BlackElo "2225"]
[PlyCount "100"]
[EventDate "2005.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d6 3. d4 g6 4. Bb2 Bg7 5. g3 Nbd7 6. Bg2 0-0 7. 0-0 Re8 8. c4 Rb8 9. Nc3 a6 10. a4 Nf8 11. e4 Bg4 12. h3 Bxf3 13. Qxf3 N6d7 14. Rad1 Ne6 15. Ne2 c5 16. Ba1 cxd4 17. Nxd4 Nxd4 18. Bxd4 Bxd4 19. Rxd4 b5 20. axb5 axb5 21. Qd1 bxc4 22. Rxc4 Qb6 23. Qc2 Qxb3 24. Qxb3 Rxb3 25. Rc7 Nf8 26. Ra1 Ne6 27. Rd7 Kg7 28. Raa7 Kf6 29. h4 Nc5 30. Rdc7 Rb1+ 31. Kh2 Nd3 32. Ra3 Ne5 33. Rc2 Reb8 34. Rac3 R8b2 35. Kh3 h5 36. f3 Rb3 37. g4 hxg4+ 38. fxg4 Nd3 39. Kg3 Ke5 40. Bf3 Ne1 41. Rc1 Nxf3 42. Kxf3 Rxc3+ 43. Rxc3 Rf1+ 44. Kg3 Kxe4 45. Rc7 e6 46. Rc4+ Ke5 47. h5 gxh5 48. gxh5 Rh1 49. Kg4 Rg1+ 50. Kh4 Kf5 0-1

[Event "Villa Ballester IRT op"]
[Site "Villa Ballester"]
[Date "2005.01.29"]
[Round "6"]
[White "Alonso, Arturo"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "B34"]
[BlackElo "2225"]
[PlyCount "34"]
[EventDate "2005.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Qd2 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Nxc6 Qxc6 12. c3 Bf5 13. Qf2 Bxc3+ 14. Bd2 Bxb2 15. Rd1 Rfd8 16. Be2 Rxd2 17. Rxd2 Bc3 0-1

[Event "Villa Ballester IRT op"]
[Site "Villa Ballester"]
[Date "2005.01.28"]
[Round "5"]
[White "Chtcherbine, Andrei"]
[Black "Caramia, Javier"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2225"]
[BlackElo "2187"]
[PlyCount "93"]
[EventDate "2005.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d3 c5 3. g3 d5 4. Nd2 g6 5. Bg2 Bg7 6. Ngf3 Ne7 7. 0-0 Nbc6 8. Re1 b6 9. h4 h6 10. a4 a5 11. Rb1 Ra7 12. b3 dxe4 13. Nxe4 f5 14. Ned2 Nd5 15. Bb2 Bxb2 16. Rxb2 Nc3 17. Qc1 Nd4 18. Nxd4 cxd4 19. Nf3 Qd6 20. Ne5 Rg7 21. Bc6+ Kd8 22. Bg2 g5 23. h5 Re8 24. Qd2 Bb7 25. Nc4 Qc5 26. Bxb7 Rxb7 27. Re5 Qc6 28. b4 axb4 29. Rxb4 f4 30. a5 b5 31. Nb6 Qd6 32. Rexb5 Nxb5 33. Rxb5 fxg3 34. Nc4 Qc6 35. Rxb7 Qxb7 36. fxg3 Qf3 37. Qe1 Qd5 38. Qb4 e5 39. a6 Qc6 40. a7 Kc7 41. Na5 Qd5 42. Nc4 Qc6 43. Nxe5 Qd5 44. Nc4 Qc6 45. Na3 Qb6 46. Nb5+ Kb7 47. Nd6+ 1-0

[Event "Villa Ballester IRT op"]
[Site "Villa Ballester"]
[Date "2005.01.26"]
[Round "4"]
[White "Aguila, Gustavo"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2273"]
[BlackElo "2225"]
[PlyCount "35"]
[EventDate "2005.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. c3 Nf6 5. Qc2 d5 6. Nbd2 dxe4 7. Nxe4 Nbd7 8. Nxf6+ Nxf6 9. Bc4 0-0 10. 0-0 c6 11. Re1 Nd5 12. Bg5 Be6 13. Qe4 h6 14. Qh4 Qc8 15. Bxh6 Bf6 16. Ng5 Re8 17. Bg7 Bxg7 18. Rxe6 1-0

[Event "Villa Ballester IRT op"]
[Site "Villa Ballester"]
[Date "2005.01.25"]
[Round "3"]
[White "Chtcherbine, Andrei"]
[Black "Zuriel, Marisa"]
[Result "0-1"]
[ECO "D41"]
[WhiteElo "2225"]
[BlackElo "2213"]
[PlyCount "50"]
[EventDate "2005.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. e3 Nf6 4. Nc3 d5 5. cxd5 Nxd5 6. Bb5 Nxc3 7. bxc3 Bd7 8. 0-0 e6 9. d4 a6 10. Bd3 Be7 11. e4 cxd4 12. cxd4 0-0 13. e5 Nb4 14. Bb1 Rc8 15. a3 Nd5 16. Qd3 g6 17. Qd2 Re8 18. Qh6 Bf8 19. Qh3 Rxc1 20. Rxc1 Nf4 21. Qg4 Ne2+ 22. Kh1 Nxc1 23. Nd2 Qa5 24. Qd1 Rc8 25. Bc2 Bh6 0-1

[Event "Villa Ballester IRT op"]
[Site "Villa Ballester"]
[Date "2005.01.23"]
[Round "2"]
[White "Alvarez, Roberto Gabriel"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "2133"]
[BlackElo "2225"]
[PlyCount "116"]
[EventDate "2005.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. 0-0 c5 7. dxc5 Qc7 8. b3 Bxc5 9. Bb2 Bd7 10. Ne5 Bc6 11. Nxc6 Nxc6 12. Qf3 Bd6 13. Qh3 h5 14. Nd2 0-0-0 15. Rfd1 Kb8 16. Nf3 Qa5 17. Qh4 Ne5 18. Nxe5 Bxe5 19. Bxe5+ Qxe5 20. Qg3 Qxg3 21. hxg3 Ne4 22. Rac1 g6 23. Bd3 Nf6 24. Kf1 Rc8 25. Ke2 Rhd8 26. e4 Ng4 27. Bb1 Rxc1 28. Rxc1 Rd7 29. Rc3 Ka7 30. Bc2 Kb6 31. f4 e5 32. Bd1 Kb5 33. Rc4 Rxd1 34. a4+ Ka5 35. Rc7 Rd4 36. Rxf7 Rxe4+ 37. Kd2 exf4 38. gxf4 Kb6 39. f5 gxf5 40. Rxf5 Re5 41. Rf3 Nh2 42. Rf6+ Ka5 43. Rg6 Ng4 44. Kc3 Re3+ 45. Kb2 b5 46. axb5 axb5 47. Rg5 Kb4 48. Rxh5 Re2+ 49. Kc1 Rxg2 50. Rh3 Ne5 51. Rh5 Nd3+ 52. Kd1 Nc5 53. Kc1 Nxb3+ 54. Kb1 Nd4 55. Rh3 Ne2 56. Rh4+ Kb3 57. Rh3+ Nc3+ 58. Kc1 Rc2# 0-1

[Event "Villa Ballester IRT op"]
[Site "Villa Ballester"]
[Date "2005.01.22"]
[Round "1"]
[White "Chtcherbine, Andrei"]
[Black "Vives, Gabriel Alejandro"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2225"]
[BlackElo "2064"]
[PlyCount "159"]
[EventDate "2005.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. Re1 d6 6. d4 Nbd7 7. Nc3 c5 8. d5 Rb8 9. a4 b6 10. Nd2 a6 11. Nc4 Qc7 12. Na3 Re8 13. e4 Nf8 14. Bf4 Ng4 15. h3 Ne5 16. Be3 f6 17. f4 Nf7 18. g4 Bd7 19. Bf1 Qc8 20. Qe2 Ra8 21. Qg2 Rb8 22. Rab1 g5 23. f5 Ne5 24. b3 Rd8 25. Nc4 Nf7 26. a5 b5 27. Nb6 Qc7 28. Nd1 Be8 29. c3 Nd7 30. Nxd7 Bxd7 31. b4 Rdc8 32. Rc1 Ne5 33. Nb2 Qd8 34. Nd3 Nxd3 35. Bxd3 c4 36. Bf1 Kf7 37. Be2 Qc7 38. Kf2 Rh8 39. Rh1 Rbg8 40. Rh2 Qb8 41. Rch1 h6 42. Ke1 Qf8 43. Qf2 Qb8 44. Bd4 Qa8 45. h4 Qb8 46. Rh3 Qa8 47. Qh2 Qf8 48. Kd2 Qb8 49. Qg2 Qf8 50. R1h2 Qb8 51. Qg1 Qf8 52. Kc2 Ke8 53. Qf1 Kf7 54. Qh1 Ke8 55. Kd2 Kd8 56. Bb6+ Kc8 57. Ke3 Kb7 58. hxg5 hxg5 59. Rxh8 Rxh8 60. Rxh8 Bxh8 61. Qh7 Qg7 62. Qh5 Qf8 63. Kd4 Be8 64. Qh3 Bg7 65. Qf1 Bd7 66. Bxc4 bxc4 67. Qxc4 Qc8 68. Qxc8+ Kxc8 69. c4 Ba4 70. b5 axb5 71. cxb5 Bxb5 72. Ke3 Bf8 73. Kf3 Kb7 74. Ke3 Ba4 75. Kf3 Bd1+ 76. Kg3 Be2 77. Bd8 Kc8 78. Bb6 Kb7 79. Bd8 Kc8 80. Bb6 1/2-1/2

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.16"]
[Round "9"]
[White "Chtcherbine, Andrei"]
[Black "Liascovich, Lucas"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2225"]
[BlackElo "2410"]
[PlyCount "104"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 d6 6. c3 e5 7. Ne1 Nge7 8. d3 0-0 9. f4 exf4 10. Bxf4 d5 11. Na3 a6 12. Nf3 h6 13. Rf2 Be6 14. Qf1 b5 15. Be3 b4 16. cxb4 cxb4 17. Nc2 d4 18. Bf4 g5 19. Bc1 Ng6 20. b3 Nge5 21. Nxe5 Bxe5 22. Bh3 Qd7 23. Bf5 a5 24. Qh3 Bg7 25. Bb2 Bxf5 26. Qxf5 Qd6 27. Raf1 Rad8 28. a3 Be5 29. Kg2 Qd7 30. axb4 axb4 31. Qxd7 Rxd7 32. Ra1 Rc8 33. Kh3 Kg7 34. Ra4 Rb7 35. Rf5 f6 36. Rf2 h5 37. Kg2 Rcc7 38. Ra6 Ra7 39. Rb6 Rab7 40. Ra6 Rb5 41. Ra4 Kg6 42. h3 Rc8 43. Ra6 Kf7 44. Ra4 Rb6 45. Re2 Ke6 46. Rd2 Kd7 47. Ne1 g4 48. h4 Rb5 49. Nc2 Na5 50. Nxd4 Bxd4 51. Rxa5 Rxa5 52. Bxd4 f5 0-1

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.15"]
[Round "8"]
[White "Della Morte, German"]
[Black "Chtcherbine, Andrei"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "2167"]
[BlackElo "2225"]
[PlyCount "38"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 Bg7 8. e5 Ng8 9. c5 Nh6 10. Bd3 0-0 11. Qh4 Nf5 12. Bxf5 gxf5 13. Bh6 Bxh6 14. Qxh6 Kh8 15. Nd5 Rg8 16. 0-0 b6 17. cxb6 Bb7 18. Rfd1 axb6 19. f3 Ra5 1/2-1/2

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.14"]
[Round "7"]
[White "Chtcherbine, Andrei"]
[Black "Airando, Martin"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2225"]
[BlackElo "2320"]
[PlyCount "55"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. Nf3 d5 2. d3 Nf6 3. Nbd2 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 c5 7. e4 Nc6 8. Re1 b5 9. e5 Nd7 10. Nf1 a5 11. h4 Ba6 12. c3 b4 13. Bf4 Rc8 14. N1h2 a4 15. a3 bxc3 16. bxc3 Na5 17. Bh3 Nb3 18. Ra2 Qa5 19. Rc2 Nb6 20. Bf1 c4 21. d4 Bxa3 22. Ng5 Be7 23. Qh5 h6 24. Ng4 hxg5 25. hxg5 Rfe8 26. f3 g6 27. Qh4 Bf8 28. Nf6+ 1-0

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.12"]
[Round "6"]
[White "Chtcherbine, Andrei"]
[Black "Ponzo, Fabian Alejandro"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2225"]
[BlackElo "2075"]
[PlyCount "133"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. c3 d6 6. Bg2 Nf6 7. Qe2 0-0 8. 0-0 e5 9. Ne1 Ne8 10. f4 Nc7 11. f5 f6 12. g4 g5 13. Nc2 Re8 14. Ne3 Ne7 15. Qc2 Kh8 16. Nd5 Rf8 17. a3 Bd7 18. Be3 Bc6 19. Nxe7 Qxe7 20. c4 Rfb8 21. Nc3 Be8 22. Nd5 Qd8 23. Bf3 Bf8 24. Kg2 b5 25. Rh1 Nxd5 26. exd5 bxc4 27. dxc4 Rb7 28. b3 Rab8 29. Rhb1 a5 30. a4 Ra7 31. h4 h6 32. Rh1 Kg8 33. Bd2 Rab7 34. Ra3 Qe7 35. Be4 Qd8 36. Qc3 Ra8 37. Bc2 Rg7 38. Kf2 Raa7 39. Qh3 Rh7 40. Bd1 Qe7 41. Qg3 Qg7 42. Rg1 Be7 43. Ra1 Bd8 44. Bc2 Qc7 45. Rh1 Qb6 46. Rh3 Be7 47. hxg5 fxg5 48. Rah1 Bf8 49. Qd3 Qd8 50. Qe4 Qf6 51. R1h2 Be7 52. Qh1 Kg7 53. Ke1 Bd8 54. Kd1 Rh8 55. Kc1 Rb7 56. Qe1 Ra7 57. Kb1 Rh7 58. Ka2 Kg8 59. Qh1 Kg7 60. Re2 Kg8 61. Bc3 Rae7 62. Qe1 Ra7 63. Rhe3 Kf8 64. Rxe5 dxe5 65. Bxe5 Qf7 66. Bd6+ Be7 67. f6 1-0

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.11"]
[Round "5"]
[White "Dolezal, Cristian"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "2400"]
[BlackElo "2225"]
[PlyCount "99"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. d5 Nb8 6. Bd3 Be7 7. c4 Bg4 8. Nc3 Na6 9. Be3 Bxf3 10. Qxf3 Bg5 11. 0-0-0 Qf6 12. Bc2 Qxf3 13. gxf3 Bxe3+ 14. fxe3 0-0-0 15. Rhg1 g6 16. a3 Ne7 17. b4 Rhg8 18. Rg3 Kb8 19. Bd3 f6 20. Bf1 Rgf8 21. Rh3 Rf7 22. c5 Ka8 23. Bxa6 bxa6 24. c6 Rb8 25. Kc2 Ng8 26. Rg1 Ne7 27. Kd3 Nc8 28. Rf1 Ne7 29. f4 Rbf8 30. Rhf3 Nc8 31. Na4 exf4 32. exf4 Re7 33. Nc3 f5 34. Re1 fxe4+ 35. Rxe4 Ref7 36. Rfe3 Rxf4 37. Rxf4 Rxf4 38. Re8 Kb8 39. Ne4 Rf5 40. Kd4 Rf4 41. a4 a5 42. bxa5 a6 43. Rh8 Rf7 44. Ng5 Rf4+ 45. Ke3 Rf5 46. Ne4 Rf7 47. Nd2 Rf5 48. Ke4 Re5+ 49. Kd4 Re7 50. Nc4 1-0

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.09"]
[Round "4"]
[White "Chtcherbine, Andrei"]
[Black "Meza, Hugo"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2225"]
[PlyCount "41"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. e3 c5 4. b3 Be7 5. Bb2 0-0 6. Be2 d5 7. 0-0 Nc6 8. cxd5 exd5 9. d4 Bg4 10. Nbd2 b6 11. Rc1 Bd6 12. h3 Bf5 13. dxc5 bxc5 14. Bb5 Nb4 15. a3 Nd3 16. Qc2 c4 17. bxc4 Qc8 18. Nh4 Nxb2 19. Nxf5 Bxa3 20. c5 Qb7 21. Bc6 1-0

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.08"]
[Round "3"]
[White "Valerga, Diego"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "2498"]
[BlackElo "2225"]
[PlyCount "43"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 c6 5. Be2 Bg4 6. Ng5 Bf5 7. e6 Bxe6 8. Nxe6 fxe6 9. Bg4 Nc7 10. 0-0 Nd7 11. c4 Nf6 12. Bh3 Qd7 13. Nc3 Rg8 14. d5 cxd5 15. cxd5 g5 16. dxe6 Qc6 17. Bf5 Nb5 18. Nxb5 Qxb5 19. Bd3 Qd5 20. Qa4+ Kd8 21. Be3 Bh6 22. Bb6+ 1-0

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.07"]
[Round "2"]
[White "Chtcherbine, Andrei"]
[Black "Campagnoni, Diego"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2225"]
[BlackElo "2060"]
[PlyCount "81"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Bb3 0-0 6. 0-0 d6 7. c3 Re8 8. Nbd2 Bf8 9. Re1 g6 10. Nf1 Bg7 11. h3 Be6 12. Ba4 Bd7 13. Bg5 Qc8 14. Qd2 Nd4 15. cxd4 Bxa4 16. d5 c5 17. Ne3 Bd7 18. a4 Qc7 19. Nc4 Rf8 20. b4 b6 21. Reb1 Rfc8 22. Qa2 h6 23. Bd2 Nh5 24. bxc5 dxc5 25. Re1 Re8 26. Rab1 Rab8 27. Bc3 Nf4 28. d6 Qd8 29. Ncxe5 Be6 30. Qd2 g5 31. Nc6 Qxd6 32. Bxg7 Qxc6 33. Ba1 Kh7 34. Qc3 Rg8 35. d4 Qxa4 36. d5 Qa2 37. Rb2 Nxd5 38. exd5 Qxd5 39. Rd2 Qc4 40. Qf6 Qf4 41. Rxe6 1-0

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.05"]
[Round "1"]
[White "Martinoli, Jeremias"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "B34"]
[BlackElo "2225"]
[PlyCount "72"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d5 9. exd5 Nb4 10. f3 Nfxd5 11. Nxd5 Nxd5 12. Bf2 Nf4 13. c3 e5 14. Nb3 Qg5 15. Bg3 Nh5 16. Be1 Nf4 17. Bg3 Bf5 18. Bxf4 Qxf4 19. Qd2 Qh4 20. Qe1 Qg5 21. Qd2 Bh6 22. Qxg5 Bxg5 23. Kf2 Rfd8 24. Rfd1 Bc2 25. Rxd8+ Rxd8 26. Nc5 Rd2 27. b4 b6 28. Ne4 Bxe4 29. fxe4 Rc2 30. c4 Bc1 31. a4 Bb2 32. Rb1 Bd4+ 33. Kf3 Rc3+ 34. Kg4 h5+ 35. Kg5 Kg7 36. a5 Rh3 0-1

[Event "Villa Martelli Pro Am op 11th"]
[Site "Villa Martelli"]
[Date "2004.11.14"]
[Round "9"]
[White "Chtcherbine, Andrei"]
[Black "Malbran, Guillermo"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "2232"]
[BlackElo "2303"]
[PlyCount "158"]
[EventDate "2004.11.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. Qxc3 Nc6 7. Nf3 Qf6 8. Qxf6 gxf6 9. d4 Nb4 10. Bb3 Bd7 11. a3 Na6 12. Bc4 Bc6 13. Ke2 0-0-0 14. Bxa6 bxa6 15. Be3 Rg8 16. Rhg1 Rd5 17. c4 Rf5 18. Nh4 Rh5 19. g3 Be7 20. Nf3 a5 21. h4 Bxf3+ 22. Kxf3 a4 23. c5 Kd7 24. Rgc1 Rb8 25. Rab1 Rb5 26. Rc4 Ra5 27. Bd2 Ra6 28. Ke4 Rd5 29. f4 f5+ 30. Kf3 Kc6 31. Re1 Rd8 32. Bc3 Rb8 33. Rb4 Rxb4 34. Bxb4 h5 35. Ke3 Bf6 36. Kd3 Kb5 37. Rc1 Rc6 38. Rc4 a5 39. Bc3 Ra6 40. Bd2 Ra8 41. Rc1 Rg8 42. Be1 Rb8 43. Rc2 Rd8 44. Bf2 c6 45. Rc3 Ka6 46. Kc4 Rb8 47. Rc2 Rb3 48. Re2 Rf3 49. Be1 Rf1 50. Bc3 Rc1 51. b3 axb3 52. Kxb3 a4+ 53. Kc4 Rb1 54. Bb2 Rg1 55. Re3 Rb1 56. Re2 Rg1 57. Re3 Rb1 58. Bc3 Bd8 59. Bb4 Rc1+ 60. Rc3 Rg1 61. Re3 Ba5 62. Rc3 Rb1 63. Rc2 Rb3 64. Bxa5 Kxa5 65. Rc3 Rb1 66. Rc2 Ra1 67. Rb2 Rxa3 68. Rb8 Ka6 69. Rb6+ Ka7 70. Rxc6 Rxg3 71. Rb6 Rf3 72. Rb4 Rf1 73. c6 Rc1+ 74. Kb5 Ra1 75. Ka5 a3 76. Rb7+ Ka8 77. Rb3 a2 78. Ra3 Kb8 79. Ka4 Kc7 0-1

[Event "Villa Martelli Pro Am op 11th"]
[Site "Villa Martelli"]
[Date "2004.11.13"]
[Round "8"]
[White "De Dovitiis, Alejo"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "C28"]
[WhiteElo "2363"]
[BlackElo "2232"]
[PlyCount "106"]
[EventDate "2004.11.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. d3 Nf6 4. Nc3 Na5 5. Nf3 Nxc4 6. dxc4 Bb4 7. Bg5 h6 8. Bh4 d6 9. Qd3 Bxc3+ 10. Qxc3 g5 11. Bg3 Nxe4 12. Qe3 Nxg3 13. hxg3 f6 14. 0-0-0 Qe7 15. Qe4 Kf7 16. g4 Qd7 17. Nh2 Qc6 18. Rd5 Be6 19. Rhd1 Bxd5 20. cxd5 Qd7 21. Rd3 h5 22. Rh3 f5 23. gxf5 g4 24. Rb3 Kf6 25. Nf1 Qxf5 26. Qe2 b6 27. Ne3 Qg6 28. Rc3 Rh7 29. a4 Rf7 30. Rc4 Rc8 31. g3 Ke7 32. Nd1 Qf5 33. Rc6 Qf3 34. Qc4 Kd8 35. b3 h4 36. gxh4 Qf4+ 37. Kb1 Qxc4 38. Rxc4 Rf4 39. Ne3 Rxc4 40. bxc4 Ke7 41. Nxg4 Rh8 42. Ne3 Rf8 43. Kb2 Rxf2 44. Kc3 Rf3 45. Kd3 Rh3 46. c3 Kf7 47. Kd2 Rxh4 48. Kd3 Rh3 49. Kd2 Rxe3 50. Kxe3 Kf6 51. Ke4 Kg5 52. c5 bxc5 53. a5 a6 0-1

[Event "Villa Martelli Pro Am op 11th"]
[Site "Villa Martelli"]
[Date "2004.11.12"]
[Round "7"]
[White "Chtcherbine, Andrei"]
[Black "Fernandez Arrue, Ruben"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2232"]
[BlackElo "2097"]
[PlyCount "67"]
[EventDate "2004.11.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. Bd3 Bg7 4. Ne2 d5 5. e5 e6 6. Nd2 Ne7 7. Nf3 h6 8. g4 b6 9. c3 Ba6 10. Nf4 Bxd3 11. Qxd3 Nd7 12. a4 c5 13. Bd2 Qc7 14. h4 Qb7 15. b4 cxb4 16. cxb4 a6 17. Ke2 0-0-0 18. b5 a5 19. Qa3 Rhe8 20. Rac1+ Kb8 21. Qd6+ Ka8 22. Rc7 Qb8 23. Rxd7 Qxd6 24. Rxd6 Rxd6 25. exd6 Ng8 26. Ne5 Bxe5 27. dxe5 Kb7 28. g5 Rc8 29. Rc1 hxg5 30. hxg5 Rxc1 31. Bxc1 Kc8 32. Kd3 Kb7 33. Ne2 Kc8 34. Nd4 1-0

[Event "Villa Martelli Pro Am op 11th"]
[Site "Villa Martelli"]
[Date "2004.11.11"]
[Round "6"]
[White "Della Morte, German"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2100"]
[BlackElo "2232"]
[PlyCount "91"]
[EventDate "2004.11.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 c6 6. 0-0 Bg7 7. Re1 0-0 8. a4 dxe5 9. Nxe5 Bf5 10. g4 Be6 11. Nc3 Nxc3 12. bxc3 Bxc4 13. Nxc4 Nd7 14. Ba3 Re8 15. Rb1 Nb6 16. Na5 Rb8 17. Qf3 Qc7 18. Qg3 Qxg3+ 19. hxg3 Nxa4 20. Re3 Nb6 21. Rxe7 Rxe7 22. Bxe7 Nd5 23. Nxc6 Ra8 24. Rxb7 Nxc3 25. Bc5 a5 26. Ne7+ Kh8 27. d5 Ne4 28. Ba3 Be5 29. Nc6 Bd6 30. f3 Bxa3 31. fxe4 Bc5+ 32. Kg2 a4 33. Rb2 a3 34. Ra2 Kg8 35. Ne5 f6 36. Nd3 Bd6 37. c4 Rb8 38. Kf3 Rb3 39. Ke2 Bb4 40. Nxb4 Rxb4 41. Kd3 Rb3+ 42. Kd4 Kf7 43. Kc5 Ke7 44. Kc6 Kd8 45. d6 h6 46. g5 1-0

[Event "Villa Martelli Pro Am op 11th"]
[Site "Villa Martelli"]
[Date "2004.11.10"]
[Round "5"]
[White "Chtcherbine, Andrei"]
[Black "Jungblut, Jose"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2232"]
[BlackElo "2120"]
[PlyCount "139"]
[EventDate "2004.11.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. Qe2 d6 6. 0-0 0-0 7. Bb3 Bg4 8. d3 h6 9. h3 Be6 10. Bc2 Re8 11. Re1 Bb6 12. Nbd2 Qd7 13. Nf1 Rad8 14. Ba4 Qc8 15. Ng3 Kh7 16. Nh4 g6 17. Qf3 Ng8 18. Bc2 Qd7 19. Nf1 Qe7 20. Qg3 Qf8 21. Be3 Qg7 22. Bxb6 axb6 23. Ne3 Nf6 24. Qh2 Nh5 25. g3 Qf6 26. Ba4 Ra8 27. Bb3 Nf4 28. Bxe6 fxe6 29. Ng4 Qe7 30. gxf4 Qxh4 31. fxe5 dxe5 32. Qg3 Qxg3+ 33. fxg3 Kg7 34. Kf2 Rf8+ 35. Ke2 h5 36. Nh2 g5 37. a3 Ne7 38. Nf3 Kf6 39. Rf1 Ng6 40. Rf2 g4 41. hxg4 hxg4 42. Nd2+ Kg5 43. Raf1 Rxf2+ 44. Rxf2 Rh8 45. Nf1 Rf8 46. Rxf8 Nxf8 47. a4 Ng6 48. Ne3 Nf8 49. Nc4 Ng6 50. Na3 Nf4+ 51. gxf4+ exf4 52. Nc2 Kh4 53. Ne1 Kg3 54. d4 f3+ 55. Kf1 Kf4 56. e5 c6 57. Ng2+ Ke4 58. Kf2 c5 59. d5 Kxe5 60. dxe6 Kxe6 61. Ne3 Ke5 62. Nxg4+ Ke4 63. Ne3 Kd3 64. Kxf3 Kd2 65. Ke4 Kc1 66. Nc4 Kc2 67. Nxb6 Kxb2 68. Kd3 Kb3 69. a5 Kb2 70. Kc4 1-0

[Event "Villa Martelli Pro Am op 11th"]
[Site "Villa Martelli"]
[Date "2004.11.09"]
[Round "4"]
[White "Liascovich, Lucas"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2415"]
[BlackElo "2232"]
[PlyCount "51"]
[EventDate "2004.11.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. a4 c5 7. 0-0 Nc6 8. Qe2 cxd4 9. Rd1 Be7 10. exd4 0-0 11. Nc3 Nb4 12. Bg5 Nfd5 13. Bxe7 Nxe7 14. Qe4 Nf5 15. Bb3 Qe7 16. Re1 Nd6 17. Qe2 Qf6 18. Ne5 Rd8 19. Rad1 Rb8 20. Qh5 b5 21. axb5 axb5 22. d5 exd5 23. Nxd5 Nxd5 24. Bxd5 Bb7 25. Bxb7 Nxb7 26. Nd7 1-0

[Event "Villa Martelli Pro Am op 11th"]
[Site "Villa Martelli"]
[Date "2004.11.07"]
[Round "3"]
[White "Chtcherbine, Andrei"]
[Black "Arbulu Rocha, Fernando"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2232"]
[PlyCount "47"]
[EventDate "2004.11.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bd6 5. Bxc6 dxc6 6. d4 Bg4 7. dxe5 Bxe5 8. Qxd8+ Rxd8 9. Nxe5 Bd1 10. Nc3 Bxc2 11. Bg5 h6 12. Bxf6 gxf6 13. Ng4 f5 14. exf5 Bxf5 15. Ne3 Be6 16. Rad1 Rg8 17. Rxd8+ Kxd8 18. Rd1+ Ke7 19. Rd4 b5 20. Rh4 Rg6 21. a3 Kf6 22. f4 a6 23. Ne4+ Kg7 24. f5 1-0

[Event "Villa Martelli Pro Am op 11th"]
[Site "Villa Martelli"]
[Date "2004.11.07"]
[Round "3"]
[White "Chtcherbine, Andrei"]
[Black "Strok, Boris"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2232"]
[BlackElo "2087"]
[PlyCount "91"]
[EventDate "2004.11.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. g3 Nf6 4. d3 g6 5. Bg2 Nbd7 6. 0-0 Bg7 7. Nbd2 0-0 8. Qe2 Qc7 9. c3 e5 10. Ne1 b5 11. Nc2 Rb8 12. Ne3 Nb6 13. c4 a6 14. Kh1 Bd7 15. a3 Qc8 16. Nb1 Bh3 17. f3 Bxg2+ 18. Qxg2 Ne8 19. Nc3 Nc7 20. g4 bxc4 21. dxc4 Ne6 22. Ned5 Kh8 23. Nxb6 Rxb6 24. Rb1 Qb7 25. b4 Qd7 26. b5 axb5 27. cxb5 Nd4 28. a4 f5 29. gxf5 gxf5 30. Rg1 fxe4 31. fxe4 d5 32. Rf1 Rxf1+ 33. Qxf1 dxe4 34. Be3 Qg4 35. Rb2 Rg6 36. b6 Qc8 37. b7 Qb8 38. Qh3 Rc6 39. Qd7 Rf6 40. Qc8+ Rf8 41. Qxb8 Rxb8 42. a5 Nc6 43. a6 Bf8 44. Nxe4 c4 45. a7 Nxa7 46. Bxa7 1-0

[Event "Villa Martelli Pro Am op 11th"]
[Site "Villa Martelli"]
[Date "2004.11.06"]
[Round "2"]
[White "Diconza, Eduardo"]
[Black "Chtcherbine, Andrei"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2086"]
[BlackElo "2232"]
[PlyCount "42"]
[EventDate "2004.11.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 d5 3. d3 Nc6 4. Nf3 f6 5. c3 Be6 6. Nbd2 Qd7 7. e4 Nge7 8. 0-0 Rd8 9. Qe2 d4 10. Ne1 dxc3 11. bxc3 Nc8 12. Nb3 Be7 13. Be3 0-0 14. f4 Nb6 15. f5 Bf7 16. Nc5 Bxc5 17. Bxc5 Rfe8 18. Qc2 Na5 19. Bb4 Nc6 20. Bc5 Na5 21. Bb4 Nc6 1/2-1/2

[Event "Buenos Aires Najdorf-A"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "9"]
[White "Chtcherbine, Andrei"]
[Black "Mazziotti Irigoyen, Gabriel"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2232"]
[BlackElo "2261"]
[PlyCount "20"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 e6 2. d3 c5 3. Nf3 Nc6 4. g3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Nxc6 dxc6 8. Qxd8+ Kxd8 9. Bg2 Ne7 10. 0-0 Kc7 1/2-1/2

[Event "Buenos Aires Najdorf-A"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "8"]
[White "Lujan, Carolina"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "C98"]
[WhiteElo "2325"]
[BlackElo "2232"]
[PlyCount "99"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. Re1 b5 7. Bb3 Be7 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. d5 Rb8 13. Nbd2 Nb7 14. Nf1 Ne8 15. a4 g6 16. axb5 axb5 17. b4 c4 18. Ng3 Nd8 19. Nh2 f6 20. f4 exf4 21. Bxf4 Nf7 22. Nf3 Ng7 23. Ra5 Bd7 24. Nd4 Bd8 25. Qa1 Qc8 26. Ra3 Bb6 27. Kh2 Ne5 28. Rf1 Qb7 29. Qa2 Rbe8 30. Ra6 Bc8 31. Ra8 Bd7 32. Rxe8 Nxe8 33. Bh6 Rf7 34. Be3 Nc7 35. Bd1 Nd3 36. Be2 Ne5 37. Qd2 Qa7 38. Nc2 Bxe3 39. Nxe3 Rf8 40. Bg4 Bxg4 41. Nxg4 Ne8 42. Ne2 Qe7 43. Nh6+ Kh8 44. Nd4 Nc7 45. Qf4 Nd3 46. Qh4 Nxb4 47. cxb4 Qe5+ 48. Qf4 Qxd4 49. Qxd6 Rc8 50. Rxf6 1-0

[Event "Buenos Aires Najdorf-A"]
[Site "Buenos Aires"]
[Date "2004.10.06"]
[Round "7"]
[White "Chtcherbine, Andrei"]
[Black "Della Morte, Pablo"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2232"]
[BlackElo "2350"]
[PlyCount "66"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. Re1 d5 6. d3 Nc6 7. Nbd2 e5 8. e4 dxe4 9. dxe4 b6 10. c3 a5 11. Bf1 Qe7 12. Bc4 Bb7 13. Qe2 h6 14. Nh4 Kh7 15. Nf1 a4 16. f3 Nd8 17. Ng2 Ne6 18. Be3 Ne8 19. g4 Nd6 20. Bd3 c5 21. Ng3 a3 22. b3 Nf4 23. Nxf4 exf4 24. Bxf4 Bxc3 25. e5 Ne8 26. Ne4 Bxe4 27. Bxe4 Rd8 28. Qa6 Bxa1 29. Rxa1 Nf6 30. Qxb6 Nxe4 31. fxe4 Rd4 32. Re1 Rfd8 33. Kg2 Qh4 0-1

[Event "Buenos Aires Najdorf-A"]
[Site "Buenos Aires"]
[Date "2004.10.05"]
[Round "6"]
[White "Flores, Diego"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2480"]
[BlackElo "2232"]
[PlyCount "41"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nf6 3. Bg2 Nc6 4. 0-0 d5 5. d3 Bg4 6. Nbd2 e5 7. e4 dxe4 8. dxe4 Be7 9. h3 Bh5 10. c3 Qd3 11. Qb3 0-0-0 12. Re1 Qd7 13. Nh4 Ne8 14. Nf5 Bg5 15. Nc4 Bxc1 16. Raxc1 f6 17. Qa3 b6 18. b4 b5 19. Na5 Nxa5 20. Qxa5 c4 21. a4 1-0

[Event "Buenos Aires Najdorf-A"]
[Site "Buenos Aires"]
[Date "2004.10.04"]
[Round "4"]
[White "Chtcherbine, Andrei"]
[Black "Fiorito, Fabian"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2232"]
[BlackElo "2432"]
[PlyCount "20"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8. Bxe2 Be7 9. Nc3 c6 10. Ne4 Nxe4 1/2-1/2

[Event "Buenos Aires Najdorf-A"]
[Site "Buenos Aires"]
[Date "2004.10.04"]
[Round "5"]
[White "Granara Barreto, Sebastian A"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2237"]
[BlackElo "2232"]
[PlyCount "125"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nc6 5. c4 Nb6 6. e6 fxe6 7. Ng5 g6 8. Bd3 Nxd4 9. Nxh7 Nf5 10. Nxf8 Kxf8 11. Bg5 Qe8 12. Nd2 e5 13. h4 Nd4 14. Ne4 Bf5 15. Qd2 Kg7 16. Ng3 Bxd3 17. Qxd3 Na4 18. b4 Nb2 19. Qc3 Na4 20. Qd2 Qf7 21. 0-0 Nb6 22. c5 Nc4 23. Qd3 Nf5 24. Nxf5+ gxf5 25. Rac1 d5 26. Qg3 Kh7 27. Rfe1 Rad8 28. Kh2 Rd7 29. Qf3 e4 30. Qg3 e5 31. Qh3 c6 32. Rc3 f4 33. Rxe4 dxe4 34. Rxc4 Rd4 35. Rc2 Rxb4 36. Rd2 Rd4 37. Rb2 Rg8 38. Qg4 Rb8 39. Re2 b6 40. Rb2 b5 41. Rc2 b4 42. Rb2 a5 43. Qe2 Rb5 44. Rc2 a4 45. Qg4 b3 46. axb3 axb3 47. Rb2 Rb8 48. Qe2 Rc4 49. Qd1 Rd4 50. Qe2 Rb5 51. Qg4 Rd7 52. Qe2 Qg6 53. Qg4 Rc7 54. Qd1 Rxc5 55. Rxb3 Rd5 56. Qg4 Rb5 57. Ra3 Rb8 58. Ra5 c5 59. h5 Qd6 60. Qf5+ Kg8 61. Bf6 Rf7 62. Qg6+ Kf8 63. Bg7+ 1-0

[Event "Buenos Aires Najdorf-A"]
[Site "Buenos Aires"]
[Date "2004.10.03"]
[Round "3"]
[White "Valiente, Cristobal"]
[Black "Chtcherbine, Andrei"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2306"]
[BlackElo "2232"]
[PlyCount "21"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. e3 Be7 5. c4 0-0 6. d4 b6 7. Bd3 Bb7 8. 0-0 Nbd7 9. Nc3 Re8 10. Rc1 Nf8 11. Ne5 1/2-1/2

[Event "Buenos Aires Najdorf-A"]
[Site "Buenos Aires"]
[Date "2004.10.02"]
[Round "2"]
[White "Chtcherbine, Andrei"]
[Black "Moreda, Lucas"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2232"]
[BlackElo "2329"]
[PlyCount "127"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 Bg4 5. e3 Nbd7 6. Be2 e6 7. 0-0 Bd6 8. cxd5 cxd5 9. d3 0-0 10. Nbd2 Rc8 11. Rc1 Qa5 12. a3 Rc6 13. Rxc6 bxc6 14. Qa1 c5 15. Rb1 Rb8 16. Bc3 Qa6 17. Kf1 Bh5 18. h3 Bg6 19. Ne1 e5 20. d4 c4 21. dxe5 Bxb1 22. Nxb1 Ne4 23. exd6 Rxb3 24. Bg4 Qxd6 25. Bxd7 Qxd7 26. Nd2 Nxd2+ 27. Bxd2 Qb5 28. a4 Qc5 29. Bc3 Qa3 30. Nc2 Qxa1+ 31. Bxa1 f6 32. Bd4 a6 33. Ke2 Kf7 34. Bc5 Rb1 35. Ba3 h5 36. a5 Ke6 37. Bc5 Rb7 38. Kd2 Kd7 39. Kc1 Rb5 40. Bb4 Rb8 41. Kd2 Ke6 42. Nd4+ Kd7 43. Kc3 g5 44. g3 Re8 45. Bc5 Rb8 46. Bb6 Kd6 47. Nf5+ Ke6 48. Nd4+ Kd7 49. Nc2 Kd6 50. Nb4 Ra8 51. Kd4 c3 52. Bc5+ Ke6 53. Kxc3 h4 54. g4 f5 55. f3 fxg4 56. fxg4 Ke5 57. Kd3 Rc8 58. Nxa6 Ra8 59. Nb4 Rc8 60. Bd4+ Kd6 61. a6 Rc1 62. a7 Rc8 63. Bb6 Re8 64. Na6 1-0

[Event "Buenos Aires Najdorf-A"]
[Site "Buenos Aires"]
[Date "2004.10.01"]
[Round "1"]
[White "Lopez Silva, Hugo Andres"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "B39"]
[WhiteElo "2370"]
[BlackElo "2232"]
[PlyCount "57"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Ne2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Rc1 b6 11. Be2 Bb7 12. Qd2 d6 13. 0-0 0-0 14. b4 f5 15. exf5 gxf5 16. Nd5 Kh8 17. Rfe1 Qe8 18. f4 Qf7 19. Bf3 Rab8 20. Bf2 Rfe8 21. Bd1 Nd8 22. Ba4 Nc6 23. Nc7 Rg8 24. Qd5 e6 25. Nxe6 Nd4 26. Qxd4 Bxg2 27. Nxg7 Rxg7 28. Bg3 Qb7 29. Re6 1-0

[Event "Buenos Aires-chT Intercoop 30th"]
[Site "Buenos Aires"]
[Date "2004.09.25"]
[Round "6"]
[White "Reides, Marcelo"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2346"]
[BlackElo "2210"]
[PlyCount "75"]
[EventDate "2004.08.21"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 cxd4 7. cxd4 e6 8. Nc3 Qd7 9. Be3 Bd6 10. h3 Bxf3 11. Bxf3 Nge7 12. 0-0 0-0 13. d5 exd5 14. Nxd5 Ne5 15. Nxe7+ Qxe7 16. Bd5 Rad8 17. Qb3 b6 18. Rfe1 Qc7 19. Rac1 Qb8 20. Bd4 Ng6 21. Rcd1 Nf4 22. Bf3 Rfe8 23. Be3 Ng6 24. Bd5 Rf8 25. a3 Qc7 26. Rc1 Qb8 27. Red1 Bc7 28. Bg5 Rc8 29. Rc4 Bh2+ 30. Kf1 Rxc4 31. Qxc4 Qe5 32. Be3 Qxb2 33. g3 Qxa3 34. Kg2 Bxg3 35. Kxg3 Kh8 36. Qc7 f5 37. Kh2 f4 38. Bd4 1-0

[Event "Buenos Aires-chT Intercoop 30th"]
[Site "Buenos Aires"]
[Date "2004.09.18"]
[Round "5"]
[White "Chtcherbine, Andrei"]
[Black "Castillo, Santiago"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2210"]
[BlackElo "2086"]
[PlyCount "63"]
[EventDate "2004.08.21"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 g6 4. d4 Bg7 5. dxc5 Qa5+ 6. c3 Qxc5 7. Be3 Qc7 8. Na3 Bxc3+ 9. bxc3 Qxc3+ 10. Nd2 Qxa3 11. Nc4 Qc3+ 12. Bd2 Qd4 13. Bb4 Qxd1+ 14. Rxd1 Nc6 15. Nd6+ Kf8 16. Ba3 Nge7 17. Nxc8 Rxc8 18. Rxd7 b6 19. Ba6 Re8 20. Rc7 Kg7 21. Bb7 Rc8 22. Bxc8 Rxc8 23. Rxc8 Nxc8 24. Kd2 a6 25. Rc1 N8a7 26. Bd6 b5 27. Bc5 b4 28. Bxa7 Nxa7 29. Rc4 b3 30. axb3 Nb5 31. Kd3 e5 32. b4 1-0

[Event "Buenos Aires-chT Intercoop 30th"]
[Site "Buenos Aires"]
[Date "2004.09.11"]
[Round "4"]
[White "Orione, Carlos"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "2135"]
[BlackElo "2210"]
[PlyCount "66"]
[EventDate "2004.08.21"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. f4 Nf6 2. b3 e6 3. Bb2 b6 4. e3 Bb7 5. Nf3 c5 6. Bd3 Nc6 7. 0-0 Be7 8. a3 Qc7 9. Nc3 a6 10. Ne4 Nxe4 11. Bxe4 Bf6 12. Qc1 Nd4 13. exd4 Bxe4 14. Ng5 Bb7 15. dxc5 Qxc5+ 16. Kh1 Bxg5 17. fxg5 Qxg5 18. Rf2 h5 19. Qf1 h4 20. h3 Rh6 21. Re1 Rg6 22. Be5 Rc8 23. c4 Rc5 24. d4 Rxe5 25. Rxe5 Qg3 26. Rh5 Qxh3+ 27. Kg1 Qe3 28. d5 h3 29. Kh2 Qg3+ 30. Kg1 f6 31. Qe2 Ke7 32. Rh8 hxg2 33. Rh2 Qxh2+ 0-1

[Event "Buenos Aires-chT Intercoop 30th"]
[Site "Buenos Aires"]
[Date "2004.09.04"]
[Round "3"]
[White "Chtcherbine, Andrei"]
[Black "Bulcourf, Carlos"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2210"]
[BlackElo "2274"]
[PlyCount "87"]
[EventDate "2004.08.21"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. Nf3 b5 2. e4 Bb7 3. d3 e6 4. g3 Nf6 5. Nbd2 Be7 6. Bg2 c5 7. 0-0 0-0 8. Re1 d6 9. a4 a6 10. b3 Nc6 11. Bb2 Nb4 12. Qb1 d5 13. e5 Nd7 14. c3 Nc6 15. h4 b4 16. c4 Na5 17. Qd1 h6 18. Nh2 Qb6 19. Qg4 Rae8 20. cxd5 exd5 21. e6 Nf6 22. Bxf6 Bxf6 23. exf7+ Kxf7 24. Qd7+ Re7 25. Bxd5+ Bxd5 26. Qxd5+ Ke8 27. Rac1 Qc6 28. Qh5+ Rff7 29. Rxe7+ Bxe7 30. Ng4 Qe6 31. Ne5 g6 32. Nxg6 Qf5 33. Qxf5 Rxf5 34. Re1 Rf7 35. Nc4 Nb7 36. h5 Kd8 37. Nce5 Rh7 38. Nc6+ Kd7 39. Ncxe7 Rf7 40. Nd5 Kd6 41. Ne3 Nd8 42. Nc4+ Kd5 43. Re4 Rf6 44. Ne7# 1-0

[Event "Buenos Aires-chT Intercoop 30th"]
[Site "Buenos Aires"]
[Date "2004.08.28"]
[Round "2"]
[White "Chtcherbine, Andrei"]
[Black "Airando, Martin"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2210"]
[BlackElo "2290"]
[PlyCount "49"]
[EventDate "2004.08.21"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. b3 Bg4 4. Bb2 Nd7 5. d3 Ngf6 6. Nbd2 e6 7. g3 Bd6 8. cxd5 cxd5 9. Bg2 0-0 10. 0-0 Qe7 11. h3 Bxf3 12. Nxf3 Rfc8 13. a3 h6 14. Ra2 Rc7 15. Qa1 Rac8 16. Nd4 a6 17. e4 dxe4 18. dxe4 Nc5 19. e5 Bxe5 20. Nf5 exf5 21. Bxe5 Nxb3 22. Qb2 Nc1 23. Bxc7 Nxa2 24. Be5 Nc1 25. Qxb7 1/2-1/2

[Event "Ricardo Bosco Memorial"]
[Site "Buenos Aires"]
[Date "2004.08.28"]
[Round "9"]
[White "Chtcherbine, Andrei"]
[Black "Liascovich, Lucas"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2202"]
[BlackElo "2405"]
[PlyCount "64"]
[EventDate "2004.08.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 Be7 5. e3 c5 6. cxd5 exd5 7. Bb5+ Nc6 8. 0-0 0-0 9. Bxc6 bxc6 10. d3 Bg4 11. Nbd2 Nd7 12. Qc2 Qb6 13. Ne5 Nxe5 14. Bxe5 f6 15. Bb2 Rab8 16. Rfe1 Rfe8 17. Rac1 Bf5 18. e4 Bg6 19. Nf1 c4 20. exd5 Bxd3 21. Qd2 cxd5 22. bxc4 dxc4 23. Bc3 Bc5 24. Ne3 Qc6 25. Ng4 h5 26. Ne3 Re4 27. f3 Rxe3 28. Rxe3 Re8 29. Rce1 Qe6 30. Kf2 f5 31. f4 Qe4 32. Be5 Rxe5 0-1

[Event "Ricardo Bosco Memorial"]
[Site "Buenos Aires"]
[Date "2004.08.27"]
[Round "8"]
[White "Pedro, Fernando Pablo"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "B75"]
[WhiteElo "2252"]
[BlackElo "2202"]
[PlyCount "88"]
[EventDate "2004.08.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d6 8. f3 Qb6 9. Nf5 Qxb2 10. Nxg7+ Kf8 11. Bd2 Qb4 12. Bb3 Kxg7 13. Nd5 Qc5 14. Be3 Qb5 15. Qd2 Nxd5 16. Bh6+ Kg8 17. Bxd5 Be6 18. Kf2 Bxd5 19. exd5 Ne5 20. Rhe1 Rc8 21. Rab1 Qc5+ 22. Kf1 b6 23. h3 f6 24. Re4 Qxc2 25. Qxc2 Rxc2 26. f4 Rxa2 27. fxe5 dxe5 28. Rc4 Kf7 29. Rc7 Rd8 30. Rd1 Rd6 31. h4 Ra5 32. Be3 Ke8 33. Rc8+ Kd7 34. Rdc1 Rdxd5 35. R1c7+ Ke6 36. Rb7 Ra2 37. Kg1 Rd3 38. Bxb6 axb6 39. Rxb6+ Kf5 40. h5 Rg3 41. hxg6 Rgxg2+ 42. Kh1 hxg6 43. Rc1 Rh2+ 44. Kg1 Rag2+ 0-1

[Event "Ricardo Bosco Memorial"]
[Site "Buenos Aires"]
[Date "2004.08.25"]
[Round "7"]
[White "Chtcherbine, Andrei"]
[Black "Granara Barreto, Sebastian A"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2202"]
[BlackElo "2258"]
[PlyCount "103"]
[EventDate "2004.08.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. c4 d6 4. e3 g6 5. Nf3 Bg7 6. Be2 Nge7 7. d3 0-0 8. Nc3 h6 9. Qd2 d5 10. cxd5 Nxd5 11. 0-0 Be6 12. Rfd1 Nxc3 13. Bxc3 Qe7 14. Qb2 Bd7 15. b4 a6 16. a4 Rfe8 17. Nd2 Rad8 18. b5 axb5 19. axb5 Nd4 20. exd4 exd4 21. Bxd4 Bxd4 22. Qxd4 Qxe2 23. Ne4 Bf5 24. Nf6+ Kh8 25. Qf4 Kg7 26. Nxe8+ Rxe8 27. Qxc7 Re7 28. Qc3+ Qe5 29. Rac1 Qxc3 30. Rxc3 Re5 31. Rb3 Rd5 32. f3 Bd7 33. Rdb1 Bf5 34. g4 Bd7 35. Kf2 Kf6 36. b6 Rd6 37. Rc3 Bc6 38. Rb4 Ke7 39. d4 Kd7 40. Rc5 Bd5 41. Rbb5 Bc6 42. Rb4 Bd5 43. Rb2 Bc6 44. Ke3 Re6+ 45. Re5 Rf6 46. d5 Ba4 47. Rb4 Bd1 48. Rf4 Rxb6 49. Rxf7+ Kd8 50. Kd4 Rb3 51. Re3 Rb5 52. Ra3 1-0

[Event "Ricardo Bosco Memorial"]
[Site "Buenos Aires"]
[Date "2004.08.24"]
[Round "6"]
[White "Diaz Hollemaert, Nahuel Carlos"]
[Black "Chtcherbine, Andrei"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2411"]
[BlackElo "2202"]
[PlyCount "57"]
[EventDate "2004.08.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Bg4 3. Bb2 e6 4. d3 Bxf3 5. gxf3 Qg5 6. e3 e5 7. d4 exd4 8. Qxd4 Nc6 9. Qa4 0-0-0 10. Nd2 d4 11. 0-0-0 dxe3 12. Bh3+ Kb8 13. Ne4 Rxd1+ 14. Kxd1 Qh6 15. Bd7 Nge7 16. fxe3 f5 17. Nd2 Nd5 18. Bxc6 Nxe3+ 19. Ke2 Nxc2 20. Bxb7 Bb4 21. Qd7 Qg5 22. f4 Rd8 23. Qc8+ Rxc8 24. fxg5 Kxb7 25. Bxg7 Re8+ 26. Kd1 Rd8 27. Kxc2 Rxd2+ 28. Kb1 f4 29. Rf1 1/2-1/2

[Event "Villa Ballester de Invierno op 4th"]
[Site "Villa Ballester"]
[Date "2004.08.22"]
[Round "7"]
[White "Chtcherbine, Andrei"]
[Black "Ianovsky, Matias Manuel"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "2202"]
[BlackElo "2110"]
[PlyCount "44"]
[EventDate "2004.08.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 f5 11. Bg5 Bf6 12. Bxf6 Qxf6 13. h3 Nh6 14. dxe5 dxe5 15. Nd5 Qg7 16. Ng5 f4 17. g3 Nd4 18. gxf4 exf4 19. Bf3 c6 20. Nc3 Qe7 21. h4 Rd8 22. Qc1 Nf7 0-1

[Event "Ricardo Bosco Memorial"]
[Site "Buenos Aires"]
[Date "2004.08.22"]
[Round "4"]
[White "Chtcherbine, Andrei"]
[Black "Lemos, Damian"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2202"]
[BlackElo "2230"]
[PlyCount "46"]
[EventDate "2004.08.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. 0-0 b6 8. Re1 Bb7 9. c3 Qc7 10. Nf1 0-0-0 11. exd5 Nxd5 12. Ng5 Bxg5 13. Bxg5 f6 14. Bc1 e5 15. a4 Kb8 16. Qc2 Qd7 17. Ne3 Nxe3 18. Rxe3 Rc8 19. Re1 Rhd8 20. Be3 Nd4 21. Bxd4 exd4 22. c4 Re8 23. Bxb7 Qxb7 1/2-1/2

[Event "Ricardo Bosco Memorial"]
[Site "Buenos Aires"]
[Date "2004.08.22"]
[Round "5"]
[White "Hungaski, Robert Andrew"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "2243"]
[BlackElo "2202"]
[PlyCount "61"]
[EventDate "2004.08.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. 0-0 Nf6 6. Nc3 exd4 7. Nxd4 Be7 8. Bxc6 bxc6 9. b3 0-0 10. Bb2 Qb8 11. Qf3 Qb7 12. h3 Rae8 13. Rad1 Bd8 14. Nde2 Re5 15. Ng3 Rfe8 16. Qd3 Ra5 17. f4 Bc8 18. Kh1 Nd7 19. Qf3 Nf8 20. a3 Rc5 21. Rd2 a5 22. Na4 Rb5 23. Nh5 Rxh5 24. Qxh5 Rxe4 25. Nc5 Qb5 26. c4 Qxc5 27. Qxc5 dxc5 28. Rxd8 Bf5 29. g4 Re2 30. gxf5 Rxb2 31. Re1 1-0

[Event "Ricardo Bosco Memorial"]
[Site "Buenos Aires"]
[Date "2004.08.21"]
[Round "3"]
[White "Flores, Diego"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2450"]
[BlackElo "2202"]
[PlyCount "79"]
[EventDate "2004.08.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. d4 a6 6. 0-0 c5 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. b3 0-0 10. Bb2 Nbd7 11. Nc3 Nb6 12. Be2 Bd7 13. Ne5 Rfc8 14. Bf3 Rc7 15. Nxd7 Nbxd7 16. Ne4 Nxe4 17. Bxe4 f5 18. Bf3 Kf7 19. Rac1 Rac8 20. b4 Be7 21. Bxb7 Rxc1 22. Rxc1 Rxc1+ 23. Bxc1 Bxb4 24. Bxa6 e5 25. Bb2 Kf6 26. Bb5 Nf8 27. f4 Ng6 28. Be8 Bc5 29. Bxg6 Kxg6 30. Bxe5 Bxe3+ 31. Kf1 Kh5 32. Ke2 Bg1 33. h3 g5 34. fxg5 Kxg5 35. Bc7 Kf6 36. a4 Ke6 37. a5 Kd7 38. Bb6 Bh2 39. a6 Kc6 40. a7 1-0

[Event "Villa Ballester de Invierno op 4th"]
[Site "Villa Ballester"]
[Date "2004.08.21"]
[Round "6"]
[White "Ojeda, Hernan"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "C87"]
[WhiteElo "2225"]
[BlackElo "2202"]
[PlyCount "77"]
[EventDate "2004.08.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Nf6 5. Re1 Be7 6. c3 0-0 7. d4 exd4 8. cxd4 Bg4 9. Nc3 a6 10. Ba4 b5 11. Bc2 b4 12. Ne2 Qc8 13. Qd3 Rd8 14. Bg5 Bh5 15. Nf4 Bg6 16. Nxg6 hxg6 17. Qc4 Qb7 18. e5 d5 19. Qe2 Nh7 20. Bxe7 Nxe7 21. e6 f6 22. Nh4 Nf8 23. Qg4 f5 24. Bxf5 gxf5 25. Nxf5 Nfg6 26. Re3 Rf8 27. Nxe7+ Nxe7 28. Rg3 g6 29. Qh4 c6 30. Rh3 Kg7 31. Qh7+ Kf6 32. Re1 Rab8 33. Qh4+ Kg7 34. Qh6+ Kf6 35. Qf4+ Kg7 36. Qh6+ Kf6 37. Qf4+ Kg7 38. Qe5+ Rf6 39. g4 1-0

[Event "Ricardo Bosco Memorial"]
[Site "Buenos Aires"]
[Date "2004.08.20"]
[Round "2"]
[White "Chtcherbine, Andrei"]
[Black "Labollita, Martin"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2202"]
[BlackElo "2452"]
[PlyCount "66"]
[EventDate "2004.08.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Qf3 Nxd4 7. Qxd5 e5 8. f4 Nc6 9. fxe5 Be6 10. Qe4 Bc5 11. Nf3 Nge7 12. b4 Bb6 13. Na3 0-0-0 14. Nb5 Qd7 15. Nfd4 Nxd4 16. cxd4 Nf5 17. Bg5 f6 18. exf6 Nxd4 19. Nxd4 Qxd4 20. Rc1+ Kb8 21. Qxd4 Rxd4 22. fxg7 Re8 23. Kd2 Rg4 24. h4 Rxg2+ 25. Be2 Bg4 26. Rce1 Rgxe2+ 27. Rxe2 Rxe2+ 28. Kc3 Re8 29. Rf1 Be6 30. Rf8 Rc8+ 31. Kd3 Kc7 32. Ke4 Bxa2 33. Ke5 Kd7 0-1

[Event "Villa Ballester de Invierno op 4th"]
[Site "Villa Ballester"]
[Date "2004.08.20"]
[Round "5"]
[White "Chtcherbine, Andrei"]
[Black "Scarella, Enrique Alejandro"]
[Result "1/2-1/2"]
[ECO "E95"]
[WhiteElo "2202"]
[BlackElo "2348"]
[PlyCount "20"]
[EventDate "2004.08.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nbd7 8. Re1 Re8 9. Bf1 c6 10. a3 exd4 1/2-1/2

[Event "Ricardo Bosco Memorial"]
[Site "Buenos Aires"]
[Date "2004.08.19"]
[Round "1"]
[White "Vazquez, Maximiliano"]
[Black "Chtcherbine, Andrei"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2087"]
[BlackElo "2202"]
[PlyCount "70"]
[EventDate "2004.08.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. a4 c5 7. 0-0 Nc6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. Nbd2 Ke7 11. Nb3 Ba7 12. Bd2 Rd8 13. Na5 Nxa5 14. Bb4+ Ke8 15. Rxd8+ Kxd8 16. Bxa5+ Ke8 17. Rd1 Bd7 18. Bb3 Ne4 19. Ne5 Nc5 20. Bb4 Bxa4 21. Bxa4+ Nxa4 22. Rd7 Bc5 23. Bxc5 Nxc5 24. Rc7 Rd8 25. Kf1 Nd7 26. Nc4 b6 27. Ke2 Kf8 28. f4 f6 29. b4 h5 30. Rb7 b5 31. Na5 Nb8 32. Nb3 Re8 33. Nc5 Kg8 34. Kf3 Kh7 35. h3 f5 1/2-1/2

[Event "Villa Ballester de Invierno op 4th"]
[Site "Villa Ballester"]
[Date "2004.08.18"]
[Round "4"]
[White "Mazziotti Irigoyen, Gabriel"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "2253"]
[BlackElo "2202"]
[PlyCount "56"]
[EventDate "2004.08.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 e6 4. Bxc4 a6 5. a4 Nf6 6. Nf3 c5 7. 0-0 Nc6 8. Nc3 cxd4 9. exd4 Be7 10. Bf4 0-0 11. h3 Qb6 12. Qd2 Rd8 13. Rad1 Nb4 14. Ne5 Bd7 15. Rfe1 Be8 16. b3 Nbd5 17. a5 Qa7 18. Bxd5 Nxd5 19. Nxd5 Rxd5 20. Nc4 Bc5 21. Qc2 Bxd4 22. Rxd4 Qxd4 23. Nb6 Qxf4 24. Nxa8 Bc6 25. b4 Rg5 26. Rd1 Rxg2+ 27. Kf1 Qg5 28. Qd2 Bb5+ 0-1

[Event "Villa Ballester de Invierno op 4th"]
[Site "Villa Ballester"]
[Date "2004.08.16"]
[Round "3"]
[White "Chtcherbine, Andrei"]
[Black "Diaz, Diego Patricio"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2202"]
[BlackElo "2077"]
[PlyCount "94"]
[EventDate "2004.08.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. e3 d5 4. b3 Be7 5. Bb2 0-0 6. Be2 c6 7. 0-0 Nbd7 8. d3 Bd6 9. cxd5 exd5 10. Nbd2 Qe7 11. a3 Re8 12. Ra2 b6 13. Qa1 Bb7 14. Re1 Rad8 15. Nf1 Ne5 16. Nd4 g6 17. Ng3 Neg4 18. Bxg4 Nxg4 19. Nf3 a5 20. h3 Ne5 21. Nxe5 Bxe5 22. Bxe5 Qxe5 23. Qxe5 Rxe5 24. d4 Re6 25. Ne2 Ra8 26. Rb2 Bc8 27. Rc1 Bd7 28. Nf4 Rd6 29. Nd3 f6 30. Kf1 Bf5 31. Ke2 Bxd3+ 32. Kxd3 b5 33. a4 b4 34. f3 Ra6 35. e4 f5 36. e5 Re6 37. f4 h5 38. g4 hxg4 39. hxg4 Ra7 40. Rg2 fxg4 41. Rh1 Rh7 42. Rxh7 Kxh7 43. Rxg4 Re8 44. Ke3 Rc8 45. Rg3 Rf8 46. Rg1 Kh6 47. Rc1 Rc8 1-0

[Event "Villa Ballester de Invierno op 4th"]
[Site "Villa Ballester"]
[Date "2004.08.15"]
[Round "2"]
[White "Vives, Gabriel Alejandro"]
[Black "Chtcherbine, Andrei"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2047"]
[BlackElo "2202"]
[PlyCount "47"]
[EventDate "2004.08.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Qf6 6. Be3 Qxd4 7. Bxd4 Ne7 8. Bc4 Nc6 9. Bc3 Bb4 10. 0-0 0-0 11. a3 Be7 12. Nd2 d6 13. Nf3 Bg4 14. Nd4 Bd7 15. Rfe1 Rfe8 16. Rad1 Bf6 17. Nb5 Bxc3 18. Nxc3 Ne5 19. Bd5 Bc6 20. Rd4 Rac8 21. Kf1 Ng6 22. Bxc6 bxc6 23. Ra4 Ra8 24. Ra6 1/2-1/2

[Event "Vicente Lopez IRT op"]
[Site "Vicente Lopez"]
[Date "2004.07.18"]
[Round "10"]
[White "Chtcherbine, Andrei"]
[Black "Mendez, Pablo"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2202"]
[PlyCount "113"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Nf6 6. Bg2 Be7 7. 0-0 0-0 8. Re1 b5 9. e5 Nd7 10. Nf1 a5 11. h4 Nd4 12. Nxd4 cxd4 13. Qg4 g6 14. Bh6 Re8 15. Qxd4 f6 16. exf6 Bxf6 17. Qe3 Bxb2 18. Bxd5 Ra6 19. Rab1 Bc3 20. Re2 Ne5 21. Bg2 Ng4 22. Qg5 Nxh6 23. Qxh6 b4 24. Ne3 Qd7 25. h5 Qf7 26. hxg6 hxg6 27. Be4 e5 28. Kg2 Bb7 29. Rh1 Bxe4+ 30. dxe4 Qg7 31. Qg5 Qf6 32. Qxf6 Rxf6 33. Nd5 Rc6 34. g4 Bd4 35. f3 Rd6 36. Kg3 Rxd5 37. exd5 Rd8 38. Reh2 Kf7 39. g5 Rxd5 40. Re2 Rc5 41. Rd1 Rc3 42. Rd3 Rxd3 43. cxd3 a4 44. f4 a3 45. Rc2 b3 46. axb3 Bb2 47. Rc7+ Ke6 48. Ra7 exf4+ 49. Kxf4 Bc1+ 50. Ke4 Kd6 51. d4 Kc6 52. Ra4 Kb5 53. Kd5 Bxg5 54. Rxa3 Kb4 55. Ra6 Kxb3 56. Rxg6 Bd8 57. Kc6 1-0

[Event "Vicente Lopez IRT op"]
[Site "Vicente Lopez"]
[Date "2004.07.18"]
[Round "9"]
[White "Zuriel, Marisa"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "2234"]
[BlackElo "2202"]
[PlyCount "74"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 Bd7 9. 0-0 0-0 10. Qd2 Nxd4 11. Bxd4 Bc6 12. f3 a5 13. b3 Nd7 14. Be3 Nc5 15. Rab1 f5 16. exf5 Rxf5 17. a3 Ne6 18. Rbc1 Re5 19. Kh1 g5 20. Nd5 Kh8 21. f4 gxf4 22. Nxf4 Nxf4 23. Bxf4 Re6 24. Bd3 Qg8 25. Rce1 Rf8 26. Rxe6 Qxe6 27. Qxa5 Qh3 28. Qd2 Rxf4 29. Rxf4 Be5 30. Bf5 Qh6 31. Qa5 Qxf4 32. Qd8+ Kg7 33. Qxe7+ Kg8 34. Qd8+ Kf7 35. Qc7+ Kf6 36. Qd8+ Kxf5 37. Qf8+ Ke4 0-1

[Event "Vicente Lopez IRT op"]
[Site "Vicente Lopez"]
[Date "2004.07.16"]
[Round "8"]
[White "Chtcherbine, Andrei"]
[Black "Miserendino, Alfredo"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2202"]
[BlackElo "2190"]
[PlyCount "156"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. c3 Nc6 6. Bf4 Bg4 7. Qb3 Qd7 8. Ne2 Bxe2 9. Bxe2 e6 10. 0-0 Be7 11. a4 0-0 12. Nd2 h6 13. a5 Rfc8 14. Ra4 Bd6 15. Bg3 Bxg3 16. hxg3 Rc7 17. Re1 Rac8 18. Bb5 Qe7 19. Qa2 Ng4 20. Bxc6 bxc6 21. b4 Qd6 22. Nb3 h5 23. Qe2 Re7 24. f3 Nf6 25. Qe5 Qxe5 26. Rxe5 g6 27. Nc5 Nd7 28. Nxd7 Rxd7 29. g4 hxg4 30. fxg4 Kg7 31. Ra2 Rh8 32. Rf2 Rdd8 33. Rf4 Rh4 34. Kf2 Rdh8 35. Kg3 Rh1 36. g5 Rc1 37. Re3 Rh7 38. Kg4 Rc2 39. g3 Kg8 40. Rf1 Kg7 41. Rb1 Rhh2 42. b5 cxb5 43. Rxb5 Rb2 44. Rc5 Rb7 45. Rf3 Rhb2 46. a6 Rd7 47. Rc6 Ra2 48. Rf1 Rb2 49. Rh1 Rb8 50. Ra1 Kf8 51. Ra4 Ke7 52. Rb4 Rxb4 53. cxb4 e5 54. dxe5 d4 55. Kf3 d3 56. Rd6 Rc7 57. Rxd3 Rc4 58. Rb3 Ke6 59. b5 Kxe5 60. b6 axb6 61. Rb5+ Ke6 62. Rxb6+ Ke7 63. Rb7+ Ke6 64. a7 Ra4 65. Ke3 Kf5 66. Rxf7+ Kxg5 67. Kd3 Ra1 68. Kc4 Kg4 69. Rg7 g5 70. Kb5 Kf3 71. Kb6 g4 72. Rg5 Rxa7 73. Kxa7 Kxg3 74. Kb6 Kf3 75. Kc5 g3 76. Kd4 g2 77. Kd3 Kf2 78. Rf5+ Kg3 1/2-1/2

[Event "Vicente Lopez IRT op"]
[Site "Vicente Lopez"]
[Date "2004.07.15"]
[Round "7"]
[White "Della Morte, German"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "2101"]
[BlackElo "2202"]
[PlyCount "74"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 Bd7 9. f4 0-0 10. 0-0 Rc8 11. Rc1 a6 12. Qd2 Nxd4 13. Bxd4 Bc6 14. Bf3 Ne8 15. b4 b5 16. cxb5 axb5 17. a4 bxa4 18. b5 Bd7 19. Be2 Qa5 20. Rc2 Bxd4+ 21. Qxd4 Ng7 22. Ra1 Ne6 23. Qe3 Nxf4 24. Bd1 a3 25. g3 Ne6 26. b6 Bc6 27. Nb1 Nc5 28. Nxa3 Qxb6 29. Rb1 Qd8 30. e5 Ba8 31. Bg4 Rb8 32. Rd1 Rb3 33. Rc3 Rxc3 34. Qxc3 Qb6 35. Qd4 Qc6 36. Kf2 Qg2+ 37. Ke3 Qxh2 0-1

[Event "Vicente Lopez IRT op"]
[Site "Vicente Lopez"]
[Date "2004.07.14"]
[Round "6"]
[White "Chtcherbine, Andrei"]
[Black "Diaz, Sergio"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2202"]
[BlackElo "2145"]
[PlyCount "80"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 Nf6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 e6 6. Bg2 b6 7. 0-0 Bb7 8. Re1 Be7 9. c3 dxe4 10. dxe4 0-0 11. e5 Nd7 12. Qe2 Qc7 13. Nf1 Rfd8 14. h4 Nf8 15. h5 h6 16. N1h2 Nh7 17. Bf4 Bf8 18. Ng4 Qe7 19. Nd2 Rd7 20. Ne4 Nd8 21. Bxh6 f5 22. exf6 gxf6 23. Bxf8 Qxf8 24. Nd2 e5 25. Bxb7 Nxb7 26. Nc4 Rad8 27. Rad1 Ng5 28. Rxd7 Rxd7 29. Rd1 Rg7 30. Nh6+ Kh8 31. Nf5 Rg8 32. Rd7 Qa8 33. Nh4 Nd8 34. Ng6+ Rxg6 35. hxg6 Nf3+ 36. Kf1 Ne6 37. Qd3 Ned4 38. cxd4 cxd4 39. Rd8+ Qxd8 40. Qxf3 Qg8 1-0

[Event "Vicente Lopez IRT op"]
[Site "Vicente Lopez"]
[Date "2004.07.13"]
[Round "5"]
[White "Fresneda, Federico"]
[Black "Chtcherbine, Andrei"]
[Result "1/2-1/2"]
[ECO "C98"]
[WhiteElo "2025"]
[BlackElo "2202"]
[PlyCount "91"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[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. b3 g6 15. Nf1 Nh5 16. Bh6 Ng7 17. Ng3 f6 18. Bd2 Nf7 19. Nh2 Bd7 20. Ng4 Kh8 21. Qe2 a5 22. a4 bxa4 23. bxa4 Rab8 24. Ne3 Rb7 25. Reb1 Rfb8 26. Qf1 Bd8 27. Nc4 Kg8 28. Na3 Rxb1 29. Rxb1 Rxb1 30. Qxb1 Qb6 31. Qxb6 Bxb6 32. Nc4 Bc7 33. Nb2 Kf8 34. Nc4 Ke7 35. Kf1 Bc8 36. Bd3 f5 37. f3 Kf6 38. Ne2 h5 39. Nc1 Bd7 40. Nb2 Nd8 41. Bb5 Bxb5+ 42. axb5 Nb7 43. c4 f4 44. Nb3 Ke7 45. Na4 Kd7 46. b6 1/2-1/2

[Event "Vicente Lopez IRT op"]
[Site "Vicente Lopez"]
[Date "2004.07.12"]
[Round "4"]
[White "Chtcherbine, Andrei"]
[Black "Lallee, Cristian"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "2202"]
[BlackElo "2130"]
[PlyCount "82"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 e5 7. 0-0 Nc6 8. Be3 h6 9. h3 exd4 10. Nxd4 Re8 11. Nxc6 bxc6 12. Qc2 Bd7 13. Rad1 Qe7 14. c5 Rad8 15. Qc1 Nxe4 16. Nxe4 Qxe4 17. Bf3 Qh4 18. cxd6 cxd6 19. Rxd6 Be5 20. Rxd7 Rxd7 21. Bxc6 Rc7 22. Bxe8 Rxc1 23. Rxc1 Qe7 24. Ba4 Bxb2 25. Rc8+ Kg7 26. Bb3 Be5 27. Rc4 a5 28. Bb6 Bc3 29. Be3 Be5 30. Rc5 Bc7 31. Rc1 Qe5 32. g3 Bd6 33. Kh2 h5 34. Rd1 Qe7 35. Bd4+ Kh7 36. Bc3 h4 37. Re1 Qg5 38. Kg2 hxg3 39. h4 Qf4 40. f3 f6 41. Re6 Qxh4 0-1

[Event "Vicente Lopez IRT op"]
[Site "Vicente Lopez"]
[Date "2004.07.11"]
[Round "3"]
[White "Rey Besada, Fernando"]
[Black "Chtcherbine, Andrei"]
[Result "1/2-1/2"]
[ECO "B75"]
[WhiteElo "2169"]
[BlackElo "2202"]
[PlyCount "41"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 d6 8. f3 Qb6 9. Nf5 Qxb2 10. Nxg7+ Kf8 11. Nd5 Nxd5 12. Bxd5 Kxg7 13. 0-0 Qc3 14. Qc1 h6 15. Rb1 Qa5 16. Qb2+ f6 17. f4 Qc7 18. f5 g5 19. Rfd1 b6 20. c4 Bb7 21. Rbc1 1/2-1/2

[Event "Vicente Lopez IRT op"]
[Site "Vicente Lopez"]
[Date "2004.07.10"]
[Round "2"]
[White "Chtcherbine, Andrei"]
[Black "Fernandez Arrue, Ruben"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2202"]
[BlackElo "2109"]
[PlyCount "103"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Bg4 6. Be2 Nf6 7. 0-0 e6 8. h3 Bh5 9. Bf4 Be7 10. Nd2 Bg6 11. Nc4 Qf5 12. Bh2 Qxc2 13. Qxc2 Bxc2 14. Na5 b6 15. Bxb8 bxa5 16. Bc7 Kd7 17. Bxa5 Rab8 18. b3 Ba3 19. Rae1 Bb4 20. Bxb4 Rxb4 21. Rc1 Bg6 22. Rfd1 Nd5 23. Na4 Kd6 24. Bf3 Rd8 25. g3 f6 26. Rc5 Be8 27. Ra5 Rd7 28. Nc5 Re7 29. Ne4+ Kc7 30. Rxa7+ Kb6 31. Rxe7 Nxe7 32. Nd6 Bg6 33. Nc4+ Kc7 34. Bg2 Nd5 35. Bxd5 exd5 36. Nb2 Kd6 37. Na4 Rb7 38. Nc5 Ra7 39. a4 Re7 40. Kf1 Bf5 41. g4 Bc8 42. Re1 h5 43. Rxe7 Kxe7 44. f3 g5 45. gxh5 Bxh3+ 46. Kf2 Kd6 47. a5 Kc7 48. h6 Bf5 49. Ne6+ Kb8 50. Nf8 Ka7 51. h7 Bxh7 52. Nxh7 1-0

[Event "Vicente Lopez IRT op"]
[Site "Vicente Lopez"]
[Date "2004.07.09"]
[Round "1"]
[White "Strok, Boris"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "C62"]
[WhiteElo "2080"]
[BlackElo "2202"]
[PlyCount "82"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. 0-0 Nf6 7. Nc3 Nxd4 8. Bxd7+ Qxd7 9. Qxd4 Be7 10. h3 0-0 11. Be3 Rfe8 12. Rad1 Bf8 13. Bg5 Re6 14. Bxf6 Rxf6 15. f4 Re6 16. f5 Ree8 17. Nd5 c6 18. Ne3 Qc7 19. Rfe1 Rad8 20. Kh1 d5 21. exd5 Qg3 22. Qd2 Qf4 23. Qd3 Bc5 24. Ng4 Rxe1+ 25. Rxe1 Rxd5 26. g3 Qb8 27. Qf3 h5 28. Nf2 h4 29. gxh4 Rd2 30. Re2 Qd8 31. Kg2 Rxe2 32. Qxe2 Qd5+ 33. Qe4 Qd2 34. Qf3 Qxc2 35. Kg3 Qxb2 36. Ne4 Be7 37. h5 Qe5+ 38. Kg4 a5 39. h6 gxh6 40. f6 Bd6 41. Nxd6 Qg5# 0-1

[Event "FANEBA-ch"]
[Site "Villa Ballester"]
[Date "2004.05.29"]
[Round "3"]
[White "Chtcherbine, Andrei"]
[Black "Sosiuk, Ezequiel"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2210"]
[PlyCount "95"]
[EventDate "2004.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 Bf5 5. d3 e6 6. Nbd2 Bc5 7. h3 h6 8. Rc1 Nbd7 9. e3 Qe7 10. Be2 0-0 11. 0-0 Rfd8 12. Rc2 a5 13. cxd5 exd5 14. Nd4 Bg6 15. N2f3 a4 16. Qc1 axb3 17. axb3 Ra7 18. Nh4 Rda8 19. Nxg6 fxg6 20. Re1 Ba3 21. Bxa3 Rxa3 22. Rb2 Nc5 23. Bf1 Na6 24. Nc2 Ra5 25. b4 Rb5 26. Qd2 c5 27. Reb1 cxb4 28. d4 Ne4 29. Qe1 Rb6 30. Bxa6 bxa6 31. Nxb4 Qe6 32. Nd3 Rab8 33. Rxb6 Rxb6 34. Rxb6 Qxb6 35. f3 Nd6 36. Qb4 Qc6 37. Qb8+ Kh7 38. Nc5 Nc4 39. Kf2 a5 40. Qa7 Qc8 41. e4 Qf8 42. Ne6 Qf6 43. exd5 h5 44. Qc7 Na3 45. Qxa5 Nc2 46. Qc3 Qh4+ 47. g3 Qxh3 48. Ng5+ 1-0

[Event "FANEBA-ch"]
[Site "Villa Ballester"]
[Date "2004.05.28"]
[Round "2"]
[White "Chtcherbine, Andrei"]
[Black "Alvarez Castillo, Hector Adrian"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2210"]
[BlackElo "2210"]
[PlyCount "75"]
[EventDate "2004.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. g3 c5 4. Bg2 Nc6 5. d3 Nf6 6. Na3 e5 7. Nc2 Bd6 8. 0-0 0-0 9. a3 Re8 10. Rb1 a5 11. b3 h6 12. e4 dxe3 13. Bxe3 Bf5 14. Nfe1 Qd7 15. b4 axb4 16. axb4 cxb4 17. c5 Bf8 18. Nxb4 Rad8 19. Nec2 Ng4 20. Nd5 Be6 21. Nc3 Nxe3 22. Nxe3 Bxc5 23. Ned5 Nd4 24. Rxb7 Qc8 25. Rc7 Qa6 26. Rxc5 Qa3 27. Rc4 Rc8 28. Qa4 Qxa4 29. Rxa4 Rc5 30. Rfa1 Kh7 31. Ra5 Rcc8 32. Rb1 Red8 33. Kf1 Bf5 34. Be4 g6 35. Bxf5 Nxf5 36. Rb7 Nd6 37. Re7 Kg8 38. Rxe5 1-0

[Event "FANEBA-ch"]
[Site "Villa Ballester"]
[Date "2004.05.22"]
[Round "1"]
[White "Lanza, Diego"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "C97"]
[WhiteElo "2079"]
[BlackElo "2210"]
[PlyCount "126"]
[EventDate "2004.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. Nbd2 0-0 12. h3 g6 13. d5 Nh5 14. Nf1 Bd7 15. a4 Rfc8 16. axb5 axb5 17. Ne3 Nb7 18. Rb1 c4 19. Ng4 Bf8 20. Bg5 Bg7 21. Qd2 f6 22. Be3 Nd8 23. Nh4 Nf7 24. Nh2 Nf4 25. Nf1 Qd8 26. Ng3 f5 27. Nf3 Nxh3+ 28. gxh3 f4 29. Kg2 Bh6 30. b3 fxe3 31. fxe3 Ra2 32. bxc4 bxc4 33. Rb4 Rb8 34. Reb1 Rxb4 35. Rxb4 Qc8 36. Ng1 Qa6 37. Qc1 Kg7 38. Nf1 Qa7 39. Qb1 Ra1 40. Qb2 Qa2 41. Bb1 Qa3 42. Nd2 Qxb2 43. Rxb2 Bxe3 44. Nxc4 Bxg1 45. Kxg1 Bxh3 46. Kh2 Bf1 47. Nd2 Ba6 48. Kg3 Ra3 49. Rb3 Rxb3 50. Nxb3 Kf6 51. Na5 Nd8 52. Bc2 Nb7 53. Nb3 Bc4 54. Nd2 Ba2 55. Bb3 Bxb3 56. Nxb3 Kg5 57. c4 h5 58. Nd2 Nc5 59. Nf3+ Kf6 60. Nd2 g5 61. Kf3 g4+ 62. Ke3 Kg5 63. Nf1 h4 0-1

[Event "Villa Ballester CAVB 2nd"]
[Site "Villa Ballester"]
[Date "2004.05.02"]
[Round "9"]
[White "Chtcherbine, Andrei"]
[Black "Benedetto, Abel"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2210"]
[BlackElo "2179"]
[PlyCount "45"]
[EventDate "2004.04.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qb6 6. Nc2 a6 7. e4 d6 8. Be2 e6 9. 0-0 Be7 10. b4 0-0 11. Be3 Qc7 12. Qb1 Ne5 13. Qb3 Bd7 14. a4 Rac8 15. Na3 Neg4 16. Bf4 Ne5 17. a5 d5 18. exd5 Nf3+ 19. Bxf3 Qxf4 20. Ne2 Qe5 21. Ng3 exd5 22. Rae1 Qd6 23. c5 1-0

[Event "Villa Ballester CAVB 2nd"]
[Site "Villa Ballester"]
[Date "2004.05.01"]
[Round "7"]
[White "Chtcherbine, Andrei"]
[Black "Alvarez, Roberto Gabriel"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "2210"]
[BlackElo "2083"]
[PlyCount "102"]
[EventDate "2004.04.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 c5 7. 0-0 Nc6 8. d5 Na5 9. Ne1 e5 10. f4 exf4 11. Bxf4 Ne8 12. Qd2 b6 13. Bg5 f6 14. Bh4 Qe7 15. Nf3 Ba6 16. b3 Nb7 17. a4 Na5 18. Bd1 Rf7 19. Bc2 Qf8 20. Rf2 Bh6 21. Qd3 Rd8 22. Raf1 Rdd7 23. Ne2 Bc8 24. Bg3 Nb7 25. Nf4 Rde7 26. Qc3 Nc7 27. e5 dxe5 28. Nxg6 hxg6 29. Bxg6 Nd6 30. Nxe5 fxe5 31. Bxe5 Rxf2 32. Rxf2 Be3 33. Qxe3 Qg7 34. Bxg7 Rxe3 35. Bh6 Re1+ 36. Rf1 Rxf1+ 37. Kxf1 Bf5 38. Bf4 Nce8 39. Bxf5 Nxf5 40. Bb8 Nf6 41. Bxa7 Nd7 42. Ke2 Nd4+ 43. Kd3 Nxb3 44. Ke4 Kf7 45. h4 Na5 46. Kd3 Ne5+ 47. Kc3 Naxc4 48. h5 Ne3 49. d6 Nd7 50. h6 Nf5 51. a5 bxa5 1/2-1/2

[Event "Villa Ballester CAVB 2nd"]
[Site "Villa Ballester"]
[Date "2004.05.01"]
[Round "8"]
[White "Velazquez, Gustavo"]
[Black "Chtcherbine, Andrei"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2122"]
[BlackElo "2210"]
[PlyCount "30"]
[EventDate "2004.04.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. c4 g6 3. Nc3 Bg7 4. g3 Nc6 5. Bg2 d6 6. Nge2 h5 7. h3 Nf6 8. Rb1 Bd7 9. a3 Qc8 10. d3 Rb8 11. Be3 b6 12. Qd2 Kf8 13. Nd5 Ne5 14. Bg5 Nxd5 15. exd5 Bf5 0-1

[Event "Villa Ballester CAVB 2nd"]
[Site "Villa Ballester"]
[Date "2004.04.29"]
[Round "6"]
[White "Chadwick, Norman William"]
[Black "Chtcherbine, Andrei"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "2211"]
[BlackElo "2210"]
[PlyCount "31"]
[EventDate "2004.04.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nb3 d6 8. Be2 a5 9. a4 Be6 10. f4 Bxb3 11. cxb3 Nd7 12. 0-0 0-0 13. Rf2 Nc5 14. Bf3 Ne6 15. Rd2 Bd4 16. Rxd4 1-0

