[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.15"]
[Round "9"]
[White "Schwindt, Juan Pablo"]
[Black "Alonso, Arturo"]
[Result "0-1"]
[ECO "B25"]
[BlackElo "1902"]
[PlyCount "116"]
[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. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 e6 7. 0-0 Nge7 8. f4 0-0 9. Be3 f5 10. d4 b6 11. Qd2 Qc7 12. Rad1 Bb7 13. dxc5 dxc5 14. Qd7 Qxd7 15. Rxd7 Rab8 16. e5 Rfd8 17. Rfd1 Kf8 18. Rxd8+ Rxd8 19. Rxd8+ Nxd8 20. Nb5 Bxg2 21. Kxg2 Ndc6 22. c4 Ke8 23. a3 Nc8 24. Kf3 Kd7 25. h3 Na5 26. g4 Nxc4 27. Bc1 a6 28. Nbc3 Na7 29. b3 Na5 30. b4 cxb4 31. axb4 Nc4 32. Nd4 b5 33. Ke2 Bf8 34. Na2 Nc6 35. Nxc6 Kxc6 36. Kd3 fxg4 37. hxg4 h5 38. g5 h4 39. Ke4 h3 40. Kf3 Kd5 41. Kg3 Kd4 42. Kxh3 Kd3 43. f5 exf5 44. e6 Be7 45. Kg3 Kd4 46. Bf4 Nd6 47. Kf3 Ne4 48. Ke2 Nxg5 49. Nc1 Nxe6 50. Be3+ Kc4 51. Nd3 Nd4+ 52. Bxd4 Kxd4 53. Nf4 g5 54. Ne6+ Kc4 55. Nc7 Bxb4 56. Nxa6 Bd6 57. Kf3 g4+ 58. Kg2 b4 0-1

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.14"]
[Round "8"]
[White "Alonso, Arturo"]
[Black "Driz, Ivan"]
[Result "0-1"]
[ECO "C08"]
[WhiteElo "1902"]
[BlackElo "1843"]
[PlyCount "80"]
[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 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Qe2+ Qe7 7. Qxe7+ Bxe7 8. dxc5 Bxc5 9. Ngf3 Bf5 10. Ne5 Nge7 11. Nb3 Bd6 12. Bf4 Bxe5 13. Bxe5 f6 14. Bd6 0-0-0 15. Bxe7 Rhe8 16. 0-0 Rxe7 17. c3 Kc7 18. Rfe1 Rde8 19. Rxe7+ Rxe7 20. h3 a6 21. Bf1 b5 22. Rc1 Kb6 23. Rd1 Rd7 24. Nd4 Nxd4 25. Rxd4 Bb1 26. a4 Ba2 27. axb5 axb5 28. f3 Bc4 29. Bxc4 bxc4 30. Kf2 Kb5 31. Rd2 Ka4 32. Ke3 Kb3 33. Kd4 Re7 34. Rf2 Re5 35. f4 Re4+ 36. Kxd5 Re3 37. Kd4 Re1 38. Kc5 Re4 39. Kd5 Re3 40. Rd2 Rd3+ 0-1

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.13"]
[Round "7"]
[White "Castresana, Agustin"]
[Black "Alonso, Arturo"]
[Result "1/2-1/2"]
[ECO "A85"]
[BlackElo "1902"]
[PlyCount "58"]
[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 f5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 d6 6. e3 0-0 7. Be2 Bd7 8. 0-0 Nc6 9. Qc2 Qe8 10. h3 h6 11. Rad1 Rc8 12. Bd3 Nb4 13. Qe2 Nxd3 14. Qxd3 Qh5 15. e4 g5 16. Bh2 g4 17. Nd2 gxh3 18. Qxh3 Qxh3 19. gxh3 fxe4 20. Ndxe4 Nxe4 21. Nxe4 e5 22. dxe5 Bxh3 23. exd6 cxd6 24. Nxd6 Bxd6 25. Bxd6 Bxf1 26. Bxf8 Kxf8 27. Kxf1 Rxc4 28. Rd7 Rb4 29. b3 Rb6 1/2-1/2

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.11"]
[Round "6"]
[White "Alonso, Arturo"]
[Black "Ojeda, Hernan"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1902"]
[BlackElo "2226"]
[PlyCount "50"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Nge2 0-0 6. g3 c6 7. a4 e5 8. dxe5 dxe5 9. Qxd8 Rxd8 10. Bg2 Na6 11. 0-0 Ng4 12. Rfd1 Rxd1+ 13. Rxd1 Nxe3 14. Rd8+ Bf8 15. fxe3 Nc7 16. Nc1 Kg7 17. Rd2 f6 18. N3a2 Be6 19. Bf1 Ne8 20. b3 Bc5 21. Kf2 Nd6 22. Nc3 Rd8 23. Rd1 Bb4 24. N3a2 Nxe4+ 25. Ke2 Bg4# 0-1

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.10"]
[Round "5"]
[White "Olmos, Yanina"]
[Black "Alonso, Arturo"]
[Result "0-1"]
[ECO "B33"]
[BlackElo "1902"]
[PlyCount "198"]
[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 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 e5 6. Nf3 Nf6 7. h3 Be6 8. Bb5 h6 9. Be3 Be7 10. Qe2 0-0 11. g4 Nh7 12. Bc4 Rc8 13. Bd5 b6 14. Qd2 Ng5 15. Nxg5 Bxg5 16. Bxg5 Qxg5 17. Qxg5 hxg5 18. Bxc6 Rxc6 19. 0-0-0 Rfc8 20. Rd2 a6 21. Rhd1 Rd8 22. Nd5 Kf8 23. f3 Bxd5 24. Rxd5 Ke7 25. Rh1 Rh8 26. Rd2 Rh4 27. Rd3 g6 28. Kd2 Rc8 29. Ra3 a5 30. Rb3 Rb8 31. Rb5 Kd7 32. a4 Kc6 33. c3 Rbh8 34. Ke3 Rxh3 35. Rd1 Rd8 36. Rdd5 Rh1 37. b4 axb4 38. Rxb4 Ra8 39. Rdb5 Ra6 40. Rc4+ Kd7 41. Rcb4 Rc1 42. Kd2 Ra1 43. Rxb6 R6xa4 44. Rb7+ Ke6 45. Rb1 R4a2+ 46. R1b2 Rxb2+ 47. Rxb2 Rf1 48. Ke3 Re1+ 49. Kd2 Ra1 50. Rb8 Ra2+ 51. Ke3 Rc2 52. Kd3 Rc1 53. c4 Ra1 54. Re8+ Kd7 55. Rf8 Ra3+ 56. Ke2 Ke7 57. Rc8 Ra2+ 58. Kd3 Ra3+ 59. Ke2 Kd7 60. Rf8 Ke6 61. Re8+ Kf6 62. Rd8 Ke7 63. Rc8 Ra7 64. Kd3 Kd7 65. Rf8 Kc6 66. Rc8+ Rc7 67. Rb8 Rb7 68. Rc8+ Kb6 69. Rg8 Rd7 70. Rb8+ Rb7 71. Rd8 Kc6 72. Rc8+ Kd7 73. Rf8 Ke6 74. Re8+ Re7 75. Rg8 Kd7 76. Rg7 Kd8 77. Rg8+ Re8 78. Rg7 Ke7 79. Rh7 Ra8 80. Rh3 Ra3+ 81. Kd2 Kd7 82. Kc2 Kc6 83. Kd2 Kc5 84. Ke2 Kxc4 85. Rh7 Ra7 86. Rh8 Kd4 87. Rd8 Ra2+ 88. Kd1 Ke3 89. Rxd6 Kxf3 90. Rf6+ Kxg4 91. Rxf7 Ra4 92. Rg7 Rd4+ 93. Kc2 Rxe4 94. Rxg6 Rf4 95. Kd2 Rf5 96. Ke3 Rf4 97. Re6 Kf5 98. Re8 e4 99. Rf8+ Kg4 0-1

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.08"]
[Round "4"]
[White "Alonso, Arturo"]
[Black "Dolezal, Cristian"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1902"]
[BlackElo "2402"]
[PlyCount "70"]
[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 Nc6 2. Nf3 f5 3. exf5 d5 4. d4 Bxf5 5. Bb5 e6 6. Bf4 Bd6 7. Ne5 Nge7 8. Qd2 0-0 9. Nxc6 bxc6 10. Bxd6 cxd6 11. Be2 Qe8 12. Bf3 Qg6 13. Na3 Rab8 14. Qc3 Be4 15. 0-0-0 Bxf3 16. gxf3 Qf6 17. Qe3 Nf5 18. Qd2 c5 19. c3 Nh4 20. dxc5 dxc5 21. Qe3 d4 22. cxd4 Nxf3 23. Nc2 Rfd8 24. Rd3 Nxd4 25. Nxd4 cxd4 26. Qd2 e5 27. Re1 Rb5 28. Qe2 Rc5+ 29. Kb1 Rdc8 30. Red1 Qc6 31. Qe1 Rc2 32. Rb3 e4 33. Qg1 d3 34. a3 Qd5 35. Rb4 d2 0-1

[Event "Villa Ballester IRT op"]
[Site "Villa Ballester"]
[Date "2005.02.02"]
[Round "9"]
[White "Alonso, Arturo"]
[Black "Vidmar, Rafael Lucio"]
[Result "1-0"]
[ECO "C60"]
[BlackElo "1909"]
[PlyCount "109"]
[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 e5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nge7 6. d3 0-0 7. Re1 d5 8. exd5 Qxd5 9. Bc4 Qc5 10. Nbd2 Rd8 11. Ne4 Qb6 12. b4 Nd5 13. Bxd5 Rxd5 14. Be3 Qa6 15. c4 Rd8 16. b5 Qa3 17. Bc5 Qxd3 18. Qxd3 Rxd3 19. bxc6 f5 20. Neg5 h6 21. cxb7 Bxb7 22. Rab1 Ba6 23. Ne6 e4 24. Nh4 Bc3 25. Rec1 Bxc4 26. Nf4 Bxa2 27. Nxd3 Bxb1 28. Nf4 Bd2 29. Rxb1 Bxf4 30. Nxg6 Bd2 31. Ne7+ Kf7 32. Nxf5 Kg6 33. Ng3 a5 34. Nxe4 Bf4 35. Ba3 Be5 36. g3 Kf5 37. Nd2 Bc3 38. Nb3 Ke4 39. Nc5+ Kd5 40. Rc1 Bb4 41. Bxb4 axb4 42. Nd3 b3 43. Rxc7 Kd4 44. Rb7 Kc3 45. Ne5 b2 46. Ng4 Ra6 47. f4 Ra1+ 48. Kf2 b1Q 49. Rxb1 Rxb1 50. Nxh6 Kd4 51. Kf3 Rb5 52. Kg4 Ke4 53. h4 Rb6 54. Nf7 Rg6+ 55. Ng5+ 1-0

[Event "Villa Ballester IRT op"]
[Site "Villa Ballester"]
[Date "2005.02.01"]
[Round "8"]
[White "Alonso, Arturo"]
[Black "Vives, Gabriel Alejandro"]
[Result "1/2-1/2"]
[ECO "B15"]
[BlackElo "2064"]
[PlyCount "173"]
[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 c6 2. d4 d5 3. Nc3 g6 4. Nf3 Bg7 5. Be2 Bg4 6. Be3 Nf6 7. exd5 Nxd5 8. Nxd5 cxd5 9. 0-0 0-0 10. Qd2 Nc6 11. c3 Qb6 12. h3 Bf5 13. Ne1 Rac8 14. Nd3 Bxd3 15. Bxd3 Na5 16. Rab1 Nc4 17. Bxc4 Rxc4 18. Bh6 Qf6 19. Bxg7 Kxg7 20. Qe2 a6 21. Rfe1 e6 22. g3 b5 23. a3 Rfc8 24. Qd2 a5 25. Re3 Qf5 26. Qd1 b4 27. axb4 axb4 28. g4 Qg5 29. Qe1 Qf4 30. Rg3 bxc3 31. bxc3 Qc7 32. Rb3 Ra8 33. Rf3 Ra2 34. Qb1 Ra7 35. Kg2 Rca4 36. Qd3 Qc4 37. Qxc4 Rxc4 38. Kf1 Rca4 39. Kg2 Ra1 40. Rf4 Rc1 41. h4 h6 42. Kh2 g5 43. hxg5 hxg5 44. Rf3 Raa1 45. Rg3 Rh1+ 46. Kg2 Rad1 47. Ra3 Kg6 48. Rb3 Rdg1+ 49. Kf3 Rb1 50. Ra3 Ra1 51. Rb3 Rhb1 52. Rxb1 Rxb1 53. Kg2 Rc1 54. Re3 Rc2 55. Kg3 Kf6 56. Rf3+ Ke7 57. Re3 f6 58. f4 gxf4+ 59. Kxf4 Rc1 60. Rf3 Rg1 61. Rf2 Kf7 62. Rb2 Kg6 63. Rb6 Rf1+ 64. Kg3 Re1 65. Kf4 Re4+ 66. Kf3 Kg5 67. Rd6 Re1 68. Kf2 Re4 69. Kf3 Rf4+ 70. Ke3 Re4+ 71. Kf3 f5 72. gxf5 Kxf5 73. Rc6 Rh4 74. Ke3 Rh3+ 75. Kf2 e5 76. dxe5 Kxe5 77. Rc5 Ke4 78. Rc8 Rh2+ 79. Kg3 Rc2 80. Kg4 Kd3 81. Rd8 Kc4 82. Rc8+ Kb3 83. Rd8 Rd2 84. Rc8 Rd3 85. Rc5 d4 86. cxd4 Rxd4+ 87. Kg5 1/2-1/2

[Event "Villa Ballester IRT op"]
[Site "Villa Ballester"]
[Date "2005.01.30"]
[Round "7"]
[White "Caramia, Javier"]
[Black "Alonso, Arturo"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2187"]
[PlyCount "65"]
[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 f5 2. d3 d6 3. e4 e5 4. Nc3 Nf6 5. Bg5 Be7 6. d4 Nxe4 7. Bxe7 Qxe7 8. Nd5 Qd8 9. dxe5 c6 10. Ne3 Qb6 11. Qd4 Qxd4 12. Nxd4 f4 13. Nc4 d5 14. Bd3 Nc5 15. Nd6+ Ke7 16. Nxc8+ Rxc8 17. Bxh7 Nbd7 18. Bf5 Rg8 19. b4 Na6 20. Bxd7 Kxd7 21. 0-0 Nxb4 22. Rab1 c5 23. a3 Na6 24. Ne2 b6 25. Nxf4 Kc6 26. Ng6 Rae8 27. f4 Nc7 28. f5 Rgf8 29. Nxf8 Rxf8 30. f6 gxf6 31. Rxf6+ Rxf6 32. exf6 Kd6 33. Re1 1-0

[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 "Aguila, Gustavo"]
[Black "Alonso, Arturo"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2273"]
[PlyCount "49"]
[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 f5 2. b3 e6 3. Bb2 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 d5 7. d3 Nbd7 8. Nbd2 c5 9. c4 d4 10. b4 e5 11. bxc5 Bxc5 12. Nb3 Bb6 13. Qc2 Qc7 14. a4 Nc5 15. a5 Nxb3 16. Qxb3 Bxa5 17. c5+ Kh8 18. Nxe5 Qxe5 19. Rxa5 Be6 20. Qb4 Rfd8 21. c6 Nd5 22. cxb7 Rab8 23. Qxd4 Qc7 24. Bxd5 Rxb7 25. Qxg7+ 1-0

[Event "Villa Ballester IRT op"]
[Site "Villa Ballester"]
[Date "2005.01.25"]
[Round "3"]
[White "Rey Besada, Fernando"]
[Black "Alonso, Arturo"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2202"]
[PlyCount "47"]
[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 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 gxf6 11. Bd3 f5 12. 0-0 Be6 13. c4 bxc4 14. Nxc4 f4 15. Qa4 Bd7 16. Ncb6 Rb8 17. Nxd7 Qxd7 18. Rfc1 Nb4 19. Nc7+ Kd8 20. Qa5 Nxd3 21. Nxa6+ Ke8 22. Nxb8 Bd8 23. Qa6 Nc5 24. Rxc5 1-0

[Event "Villa Ballester IRT op"]
[Site "Villa Ballester"]
[Date "2005.01.23"]
[Round "2"]
[White "Alonso, Arturo"]
[Black "Pires, Carlos Martin"]
[Result "1-0"]
[ECO "B72"]
[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. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nb3 Nf6 7. Be2 0-0 8. Be3 d6 9. f3 a6 10. Qd2 b5 11. a3 Bb7 12. 0-0-0 Rc8 13. Bh6 Ne5 14. h4 Nc4 15. Bxc4 Rxc4 16. g4 Qc7 17. h5 Rc8 18. Bxg7 Kxg7 19. hxg6 fxg6 20. Rh2 d5 21. exd5 Rxc3 22. bxc3 Bxd5 23. g5 Nh5 24. Qd4+ Kf8 25. Rxh5 gxh5 26. Qxd5 Qxc3 27. Qd3 Qe5 28. Qd2 Qf5 29. f4 Qe6 30. Qd3 Kg7 31. Qd4+ Kg6 32. Qd3+ Kg7 33. Qd4+ Kg6 34. Qe5 Qxb3 35. f5+ Kf7 36. g6+ hxg6 37. fxg6+ Kg8 38. Rd8+ Rxd8 39. cxb3 1-0

[Event "Villa Ballester IRT op"]
[Site "Villa Ballester"]
[Date "2005.01.22"]
[Round "1"]
[White "Alonso, Arturo"]
[Black "Zuriel, Marisa"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "2213"]
[PlyCount "114"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nb3 Be7 8. Bd2 0-0 9. 0-0 b5 10. a3 Bb7 11. f4 Nbd7 12. Qf3 Rc8 13. Rac1 Re8 14. f5 Nc5 15. Nxc5 dxc5 16. Rcd1 c4 17. Be2 Qb6+ 18. Be3 Bc5 19. Bxc5 Qxc5+ 20. Kh1 Rcd8 21. Rfe1 Qc6 22. Nd5 Nxd5 23. exd5 Rxd5 24. Rxd5 Qxd5 25. Qxd5 Bxd5 26. Bf3 Bxf3 27. gxf3 Kf8 28. b3 cxb3 29. cxb3 Rc8 30. Re3 Rc2 31. a4 bxa4 32. bxa4 Rc5 33. Re4 Ke7 34. Rb4 Ra5 35. Kg2 Kf6 36. Rg4 h5 37. Rh4 Kg5 38. Kg3 Rd5 39. Rb4 Kxf5 40. Rb7 Ke6 41. Rb4 g5 42. Rb8 Kf5 43. Rb6 Ra5 44. Rb4 h4+ 45. Kh3 f6 46. Kg2 Ke6 47. Rb6+ Kf7 48. Rb7+ Kg6 49. Rb4 Kf5 50. Rc4 Rd5 51. Rc6 a5 52. Ra6 Rc5 53. Kf2 Rc2+ 54. Kg1 Ra2 55. Rxa5 Kf4 56. Ra6 f5 57. h3 Kg3 0-1

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.15"]
[Round "8"]
[White "Maucci, Luis Marcelo"]
[Black "Alonso, Arturo"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2033"]
[PlyCount "95"]
[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 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Nxe7 Nxe7 11. Bd3 Be6 12. Qe2 Nd7 13. 0-0 h6 14. Be3 0-0 15. c4 b4 16. Nc2 a5 17. f4 f6 18. f5 Bf7 19. Qg4 Kh8 20. Rf3 Bg8 21. Rh3 Bh7 22. Rf1 Ng8 23. Rff3 Rf7 24. Rfg3 Nc5 25. Qd1 Qc7 26. Rh4 Rc8 27. b3 Rb8 28. Bd2 Qd7 29. Be2 Qc6 30. Bf3 Na6 31. Ne3 Qb6 32. Kh1 Nc7 33. Bh5 Re7 34. Qg4 Rf8 35. Qe2 Qd4 36. Be1 Ra8 37. Nd1 Qc5 38. Bf2 Qc6 39. Nb2 Na6 40. Na4 Nc5 41. Nxc5 dxc5 42. Rd3 Qc8 43. Rd5 Rc7 44. Rh3 Ne7 45. Rd1 Qf8 46. Rhd3 Nc6 47. Bg4 Nd4 48. Bxd4 1/2-1/2

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.14"]
[Round "7"]
[White "Sambuco Salomone, Lucas"]
[Black "Alonso, Arturo"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2007"]
[PlyCount "51"]
[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 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Bg5 e5 7. Ndb5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bxb5 axb5 12. Nxb5 Ra4 13. b4 Nxb4 14. Ndc7+ Kd7 15. c3 Nc2+ 16. Qxc2 Rxe4+ 17. Kf1 Ke7 18. Nd5+ Kd7 19. Nbc7 Bb7 20. f3 Bxd5 21. Nxd5 Rh4 22. Rb1 Ke6 23. g3 Rc4 24. Ne3 Rc5 25. Qxf5+ Ke7 26. Rb7+ 1-0

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.12"]
[Round "6"]
[White "Alonso, Arturo"]
[Black "Jungblut, Jose"]
[Result "1-0"]
[ECO "C67"]
[BlackElo "2120"]
[PlyCount "105"]
[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 Nf6 4. 0-0 Nxe4 5. Re1 Nd6 6. Bxc6 dxc6 7. Nxe5 Be7 8. Nf3 0-0 9. h3 Bf6 10. d3 Bf5 11. Nbd2 Qd7 12. Nf1 Rfe8 13. Rxe8+ Rxe8 14. d4 Ne4 15. c3 Rd8 16. Qb3 Qc8 17. Bf4 Be6 18. Qc2 Nd6 19. Ng3 Bd5 20. Nd2 Qe6 21. b3 c5 22. dxc5 Nb5 23. Nde4 Bxe4 24. Nxe4 Qf5 25. Nxf6+ Qxf6 26. Bd2 Re8 27. Re1 Rxe1+ 28. Bxe1 Qe5 29. Qd2 h6 30. Qe3 Qxe3 31. fxe3 c6 32. Kf2 Kf8 33. Ke2 Ke7 34. a4 Nc7 35. Kd3 Ke6 36. e4 Ne8 37. b4 Nf6 38. Kd4 Nd7 39. Bg3 f5 40. exf5+ Kxf5 41. Bd6 h5 42. c4 g5 43. g3 a6 44. b5 Nf6 45. Bc7 Ne8 46. Be5 Nf6 47. Bxf6 Kxf6 48. Ke4 Ke6 49. h4 gxh4 50. gxh4 a5 51. b6 Kf6 52. Kf4 Ke6 53. Kg5 1-0

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.11"]
[Round "5"]
[White "Escobar, Victor F"]
[Black "Alonso, Arturo"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "144"]
[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. Nc3 Nc6 3. Nf3 e6 4. d3 d6 5. g3 Nge7 6. Bg2 g6 7. 0-0 Bg7 8. Ne2 0-0 9. c3 b5 10. d4 c4 11. Bg5 h6 12. Be3 Bb7 13. Qd2 Kh7 14. h3 Qc7 15. Nh2 f5 16. Nf4 Qc8 17. d5 exd5 18. exd5 Nd8 19. Nf3 Ng8 20. Nd4 Re8 21. Rfe1 Be5 22. Nxb5 a6 23. Na3 a5 24. Nb5 Qd7 25. Nd4 Bxf4 26. Bxf4 Nf7 27. Ne6 Nd8 28. Rad1 Rb8 29. Nc5 Rxe1+ 30. Rxe1 Qc7 31. Nxb7 Nxb7 32. Re6 Rd8 33. Be3 Rd7 34. Bd4 Re7 35. Rxe7+ Qxe7 36. Qe3 Qxe3 37. Bxe3 Ne7 38. f4 Kg7 39. Kf2 Kf6 40. Bd4+ Kf7 41. Ke3 g5 42. a4 g4 43. h4 h5 44. Kd2 Ke8 45. Bb6 Kd7 46. Kc2 Nc8 47. Bd4 Nc5 48. Bxc5 dxc5 49. Bf1 Nb6 50. Bg2 Kd6 51. b3 Nxd5 52. Bxd5 Kxd5 53. b4 cxb4 54. cxb4 axb4 55. Kd2 Kc5 56. Kc2 Kb6 57. Kb2 Ka5 58. Kc2 Kxa4 59. Kb2 c3+ 60. Kc2 Ka3 61. Kd3 b3 62. Kxc3 Ka2 63. Kd4 b2 64. Ke5 b1Q 65. Kf6 Qg1 66. Kg5 Qxg3 67. Kxf5 Qxh4 68. Ke4 g3 69. Kf3 Qg4+ 70. Kg2 Qxf4 71. Kh3 Qg4+ 72. Kg2 h4 0-1

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.09"]
[Round "4"]
[White "Alonso, Arturo"]
[Black "Mendez, Pablo"]
[Result "0-1"]
[ECO "C05"]
[BlackElo "2085"]
[PlyCount "86"]
[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 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Be2 Qb6 8. Nb3 cxd4 9. cxd4 a5 10. Rb1 a4 11. Na1 f6 12. exf6 Nxf6 13. 0-0 Bd6 14. Nc2 0-0 15. Re1 Bd7 16. Bf1 Qc7 17. h3 e5 18. dxe5 Nxe5 19. Nxe5 Bxe5 20. Nb4 Bc6 21. Be3 Bd6 22. Nxc6 bxc6 23. Qc2 c5 24. Rbc1 Rfc8 25. Bd3 Rab8 26. Re2 Rb4 27. a3 Rb3 28. Bf5 Rcb8 29. Rb1 c4 30. Qc1 Be5 31. Bd2 Rxb2 32. Be6+ Kh8 33. Rxb2 Bxb2 34. Qc2 Bxa3 35. Qxa4 Bd6 36. Bf5 d4 37. Re1 g6 38. Be6 c3 39. Bg5 Qe7 40. Qxd4 Qxe6 41. Bxf6+ Kg8 42. Qxc3 Qf7 43. Bd4 Bb4 0-1

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.08"]
[Round "3"]
[White "Aberbach Peltzman, Angel Sergio"]
[Black "Alonso, Arturo"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2092"]
[PlyCount "110"]
[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 d6 3. Nc3 c5 4. g3 Nc6 5. Bg2 g6 6. b3 Bg7 7. Bb2 0-0 8. 0-0 Bd7 9. d4 cxd4 10. Nxd4 Nxd4 11. Qxd4 Bc6 12. Nd5 Ne8 13. Qd2 Bxb2 14. Qxb2 Nc7 15. Rfd1 Nxd5 16. Bxd5 Bxd5 17. Rxd5 Qc8 18. Rad1 b6 19. e4 Qb7 20. e5 dxe5 21. Qxe5 e6 22. Rd7 Qc8 23. Qf6 Qc6 24. h4 Qe4 25. Re7 Qf5 26. Qxf5 exf5 27. Rdd7 a5 28. Rb7 Rae8 29. Rxe8 Rxe8 30. Rxb6 Re1+ 31. Kg2 Ra1 32. a4 Rc1 33. Kf3 Rc3+ 34. Ke2 Kg7 35. Rb5 f6 36. c5 g5 37. hxg5 fxg5 38. c6 Rxc6 39. Rxf5 Re6+ 40. Kd3 Kg6 41. Rxa5 h5 42. f4 gxf4 43. gxf4 Rf6 44. Rg5+ Kh6 45. Ke4 h4 46. Kf3 h3 47. Rg3 h2 48. Rh3+ Kg6 49. Rxh2 Rb6 50. Rb2 Rb4 51. Ke3 Kf5 52. a5 Kg4 53. a6 Rb6 54. Ra2 Rxb3+ 55. Kd4 Rb8 1-0

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.07"]
[Round "2"]
[White "Alonso, Arturo"]
[Black "Zagni, Eduardo"]
[Result "1/2-1/2"]
[ECO "C97"]
[PlyCount "193"]
[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 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 Bd7 13. Nf1 Rac8 14. d5 Nc4 15. b3 Nb6 16. Qe2 a5 17. Ne3 a4 18. Bb2 axb3 19. axb3 Ra8 20. Rec1 Rxa1 21. Rxa1 Ra8 22. Rxa8+ Nxa8 23. Qf1 Qa5 24. Qa1 Qxa1+ 25. Bxa1 Nb6 26. Nd2 Kf8 27. f3 Nh5 28. Kf1 Bg5 29. Kf2 Bh4+ 30. Ke2 Nf4+ 31. Kd1 Bg5 32. Ndf1 Ke8 33. h4 Bf6 34. g3 Nh5 35. Ke2 Kd8 36. Kf2 Be7 37. Nd2 Kc7 38. Bb2 g5 39. hxg5 Bxg5 40. Ndf1 Nf6 41. Bd3 h5 42. Bc1 h4 43. g4 Bf4 44. Bd2 Nh7 45. Ng2 Bxd2 46. Nxd2 h3 47. Ne1 Nc8 48. Kg3 Ng5 49. Bf1 Ne7 50. Bxh3 Ng6 51. Bf1 Nf4 52. Nd3 Ngh3 53. Nxf4 Nxf4 54. Nb1 b4 55. cxb4 cxb4 56. Nd2 Be8 57. Bc4 Kb6 58. Nf1 Kc5 59. Ne3 Bd7 60. Nc2 Ng6 61. Kf2 Nf4 62. Kg3 Be8 63. Ne3 Bd7 64. Nc2 Be8 65. Kh4 f6 66. Kg3 Bd7 67. Kf2 Nh3+ 68. Ke2 Nf4+ 69. Ke3 Ng2+ 70. Kd2 Nf4 71. Bf1 Be8 72. Ke3 Bd7 73. Ne1 Be8 74. Nd3+ Nxd3 75. Bxd3 Kb6 76. f4 Kc7 77. fxe5 dxe5 78. Ba6 Kd6 79. Kd3 Bd7 80. Kc4 Bxg4 81. Kxb4 f5 82. Bd3 f4 83. Ka5 Kc7 84. Kb5 Kd6 85. Kb6 Bd1 86. b4 f3 87. Bf1 Be2 88. Bh3 f2 89. b5 f1Q 90. Bxf1 Bxf1 91. Ka5 Kc7 92. b6+ Kb7 93. d6 Bh3 94. Kb5 Be6 95. Kc5 Bd7 96. Kd5 Kxb6 97. Kxe5 1/2-1/2

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "6.41"]
[White "Alonso, Arturo"]
[Black "Tannous, Franco"]
[Result "1-0"]
[ECO "B51"]
[PlyCount "95"]
[EventDate "2004.10.07"]
[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 c5 2. Nf3 Nc6 3. c3 d6 4. Bb5 Bd7 5. d3 Nf6 6. 0-0 g6 7. h3 Bg7 8. Be3 a6 9. Ba4 0-0 10. Nbd2 Qc7 11. a3 b5 12. Bc2 Be6 13. Ng5 Qd7 14. d4 d5 15. dxc5 dxe4 16. Ndxe4 Qxd1 17. Raxd1 Nxe4 18. Bxe4 Rac8 19. Nxe6 fxe6 20. Rd7 Bf6 21. Bxc6 Rxc6 22. Rfd1 Kf7 23. R1d3 Re8 24. b4 Rb8 25. Bd2 h5 26. Rf3 e5 27. Bg5 Ke8 28. Bxf6 Kxd7 29. Bxe5 Rbc8 30. Re3 Re6 31. Kf1 Kc6 32. Bd4 Rxe3 33. Bxe3 Kd5 34. Ke2 Kc4 35. Bd4 Kb3 36. Ke3 Kxa3 37. Ke4 Ka4 38. Ke5 a5 39. bxa5 Kxa5 40. Ke6 Ka6 41. Kxe7 Kb7 42. Kf6 Rc6+ 43. Kg5 Kc7 44. f4 Kd7 45. f5 gxf5 46. Kxf5 Rh6 47. Kg5 Re6 48. Kxh5 1-0

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "7.35"]
[White "Miranda, Rafael"]
[Black "Alonso, Arturo"]
[Result "0-1"]
[ECO "D58"]
[PlyCount "84"]
[EventDate "2004.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 b6 6. Rc1 h6 7. Bh4 0-0 8. cxd5 Nxd5 9. Bxe7 Nxe7 10. Bd3 Bb7 11. Nf3 Nd7 12. 0-0 c5 13. Be2 Nf5 14. d5 exd5 15. Nxd5 Ne7 16. Nxe7+ Qxe7 17. Qc2 Rfd8 18. Rcd1 Ne5 19. Nxe5 Qxe5 20. Bd3 Rab8 21. Rd2 Rd6 22. Rfd1 Rbd8 23. Bh7+ Kh8 24. Rxd6 Rxd6 25. Rxd6 Qxd6 26. Bd3 Qd5 27. e4 Qxa2 28. h3 Qe6 29. f3 Qf6 30. Kh1 Qd4 31. b3 a6 32. Bc4 Qd7 33. Qe2 b5 34. Bd3 Bc8 35. e5 Qd5 36. Bc2 Be6 37. Kh2 Qd4 38. Kh1 Kg8 39. Be4 Bxb3 40. f4 Qd1+ 41. Qxd1 Bxd1 42. Kg1 Kf8 0-1

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "5.34"]
[White "Otero, Fernando"]
[Black "Alonso, Arturo"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "48"]
[EventDate "2004.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Bd3 Nf6 6. Nbd2 Nbd7 7. Ne5 Nxe5 8. dxe5 Nd7 9. Nf3 Be7 10. c3 c5 11. Qe2 c4 12. Bc2 a6 13. b3 b5 14. b4 a5 15. Rb1 axb4 16. cxb4 Rxa2 17. Nd4 Qb6 18. Qg4 g6 19. Qd1 0-0 20. h4 Rfa8 21. h5 g5 22. Bg3 h6 23. f4 Kh8 24. f5 R8a3 1-0

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "4.23"]
[White "Alonso, Arturo"]
[Black "Rivetti, Sofia"]
[Result "0-1"]
[ECO "C90"]
[PlyCount "47"]
[EventDate "2004.10.07"]
[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 d6 6. Re1 b5 7. Bb3 Be7 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. h3 cxd4 12. cxd4 Bb7 13. Bd2 exd4 14. Nxd4 0-0 15. Nf5 Nc4 16. Bc3 Ne5 17. Bb4 Rfd8 18. Bc3 Bf8 19. Nd2 Rac8 20. Rc1 Qb6 21. a3 g6 22. Ng3 Bh6 23. Ngf1 a5 24. Nh2 0-1

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "2.25"]
[White "Alonso, Arturo"]
[Black "Rossi, Rodrigo"]
[Result "1-0"]
[ECO "C78"]
[PlyCount "41"]
[EventDate "2004.10.07"]
[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 Bc5 6. Re1 d6 7. c3 0-0 8. h3 h6 9. d4 exd4 10. cxd4 Bb4 11. Nc3 Re8 12. e5 dxe5 13. Nxe5 Bxc3 14. bxc3 Bd7 15. Qf3 Nxe5 16. dxe5 Bxa4 17. Bxh6 gxh6 18. exf6 Rxe1+ 19. Rxe1 Bc6 20. Qg4+ Kh8 21. Qg7# 1-0

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "3.1"]
[White "Blit, Jacques"]
[Black "Alonso, Arturo"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2275"]
[PlyCount "41"]
[EventDate "2004.10.07"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e5 7. Ndb5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 f5 11. exf5 Bxf5 12. c3 Bg7 13. Nc2 Be6 14. Nce3 0-0 15. Bd3 f5 16. Qh5 e4 17. Bc2 Ne5 18. 0-0 Nd7 19. Nf4 Qf6 20. Nxe6 Qxe6 21. Bb3 1-0

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "1.32"]
[White "Orsatti, Felicitas"]
[Black "Alonso, Arturo"]
[Result "0-1"]
[ECO "D53"]
[PlyCount "58"]
[EventDate "2004.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. cxd5 Nxd5 6. Bxe7 Nxe7 7. e3 0-0 8. Bd3 b6 9. Nge2 Bb7 10. 0-0 Nd7 11. Rc1 c5 12. Bb1 Ba6 13. Qc2 Nf6 14. dxc5 bxc5 15. Rfe1 Rc8 16. Ne4 Nxe4 17. Qxe4 Ng6 18. Nf4 Re8 19. Nxg6 hxg6 20. Red1 Qb6 21. Qe5 Red8 22. h3 c4 23. Qc3 Qb7 24. Rxd8+ Rxd8 25. b3 cxb3 26. axb3 Qb6 27. b4 Rc8 28. Qxc8+ Bxc8 29. Rxc8+ Kh7 0-1

[Event "ARG-ch U12"]
[Site "Villa Carlos Paz"]
[Date "2004.09.04"]
[Round "8"]
[White "Alonso, Arturo"]
[Black "Lozeco, Polo"]
[Result "1-0"]
[ECO "B33"]
[BlackElo "1863"]
[PlyCount "59"]
[EventDate "2004.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[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 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 Bg7 11. Bd3 0-0 12. 0-0 Be6 13. Qh5 Ne7 14. Nxe7+ Qxe7 15. c3 Kh8 16. f4 Rg8 17. f5 Bd7 18. c4 bxc4 19. Bxc4 Rgf8 20. Rf3 Bc6 21. Rh3 h6 22. Re1 Qb7 23. b3 Bxe4 24. Ree3 Bxg2 25. Rhg3 Bc6 26. Rh3 Bg2 27. Rh4 Qb6 28. Nc2 Bc6 29. Kf1 Kh7 30. Rg3 1-0

[Event "ARG-ch U12"]
[Site "Villa Carlos Paz"]
[Date "2004.09.03"]
[Round "6"]
[White "Alonso, Arturo"]
[Black "Saavedra, Ramiro"]
[Result "1/2-1/2"]
[ECO "B22"]
[BlackElo "1873"]
[PlyCount "87"]
[EventDate "2004.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[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. c3 d5 4. exd5 Qxd5 5. d4 cxd4 6. Nxd4 a6 7. Nd2 Nf6 8. N2f3 Nc6 9. Nxc6 Qxd1+ 10. Kxd1 bxc6 11. Be2 Bd6 12. h3 Bb7 13. Be3 Nd5 14. Bd4 f6 15. c4 Nf4 16. Bf1 e5 17. Be3 Ne6 18. Kc2 c5 19. Rg1 Ke7 20. Nd2 a5 21. g3 f5 22. Nb3 a4 23. Nc1 Nd4+ 24. Kd1 h6 25. f4 e4 26. Bg2 Ba6 27. b3 axb3 28. axb3 Rhb8 29. Bxd4 cxd4 30. Rf1 Bc5 31. g4 g6 32. gxf5 gxf5 33. Ra5 Rg8 34. Bxe4 fxe4 35. Rxc5 e3 36. Re5+ Kf6 37. Rh5 Kg6 38. Rd5 Rgd8 39. f5+ Kf6 40. Rxd8 Rxd8 41. Rf4 d3 42. Rf3 e2+ 43. Nxe2 dxe2+ 44. Kxe2 1/2-1/2

[Event "ARG-ch U12"]
[Site "Villa Carlos Paz"]
[Date "2004.09.03"]
[Round "5"]
[White "Petruzzella, Lucas"]
[Black "Alonso, Arturo"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "66"]
[EventDate "2004.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 b6 7. Bd3 Bb7 8. Nge2 0-0 9. 0-0 h6 10. Bh4 Nbd7 11. Rc1 c5 12. Bb1 Rc8 13. Qd3 c4 14. Qd2 Bd6 15. Rce1 Ne4 16. Nxe4 Bxh2+ 17. Kxh2 Qxh4+ 18. Kg1 dxe4 19. g3 Qe7 20. Nc3 Nf6 21. Qc2 Rfe8 22. Rd1 Qe6 23. Ne2 g5 24. Kg2 Qg4 25. Ng1 Qh5 26. Rfe1 Ng4 27. Nh3 f5 28. Rh1 Nxe3+ 29. fxe3 Qf3+ 30. Kh2 Qxe3 31. a3 Re7 32. Ba2 b5 33. Rhe1 Qf3 1-0

[Event "ARG-ch U12"]
[Site "Villa Carlos Paz"]
[Date "2004.09.02"]
[Round "4"]
[White "Alonso, Arturo"]
[Black "Wuest, Andres"]
[Result "1-0"]
[ECO "C80"]
[PlyCount "109"]
[EventDate "2004.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[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 Nxe4 6. Re1 b5 7. Rxe4 f5 8. Re1 e4 9. Bb3 Be7 10. d3 exf3 11. Qxf3 d5 12. Qxd5 Qxd5 13. Bxd5 Bb7 14. Nc3 b4 15. Bxc6+ Bxc6 16. Bg5 bxc3 17. Rxe7+ Kf8 18. bxc3 Rc8 19. Re6 Bd5 20. Rxa6 h6 21. Be3 Ra8 22. Rxa8+ Bxa8 23. Rb1 Ke7 24. Bd4 Rg8 25. Re1+ Kd7 26. Rb1 g5 27. Kf1 Re8 28. Bc5 Re6 29. f3 Ra6 30. a3 Kc6 31. d4 Kd5 32. Re1 Re6 33. Rxe6 Kxe6 34. Ke2 g4 35. fxg4 Bxg2 36. gxf5+ Kxf5 37. h4 Be4 38. Kd2 Ke6 39. c4 Bb7 40. c3 Ba8 41. a4 Bb7 42. Ba3 Ba6 43. Kd3 Kf5 44. d5 Ke5 45. Bf8 h5 46. Bg7+ Kd6 47. Kd4 Ke7 48. c5 Kd7 49. c6+ Ke7 50. Kc5 Bc8 51. Be5 Kd8 52. Kb5 Bf5 53. a5 Kc8 54. a6 Kb8 55. Bxc7+ 1-0

[Event "ARG-ch U12"]
[Site "Villa Carlos Paz"]
[Date "2004.09.01"]
[Round "1"]
[White "Mayorga, Nicolas"]
[Black "Alonso, Arturo"]
[Result "1-0"]
[ECO "B85"]
[WhiteElo "2104"]
[PlyCount "81"]
[EventDate "2004.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Nc6 7. Be2 Qc7 8. 0-0 Be7 9. f4 a6 10. a4 0-0 11. Nb3 b6 12. g4 h6 13. Bf3 Bb7 14. Bg2 Rfd8 15. g5 hxg5 16. fxg5 Nh7 17. g6 Nf6 18. Bh3 Ne5 19. gxf7+ Kxf7 20. Qh5+ Ng6 21. Nd4 Bc8 22. Nxe6 Bxe6 23. Bxe6+ Kxe6 24. Qxg6 Kd7 25. Qf5+ Kc6 26. Nd5 Nxd5 27. Qxd5+ Kd7 28. Rf7 Rac8 29. Raf1 Qc6 30. Bxb6 Qxd5 31. exd5 Re8 32. c3 Rc4 33. Rxg7 Rxa4 34. Re1 Rc4 35. Bd4 Kd8 36. Rexe7 Rxe7 37. Bf6 Rce4 38. Rxe7 Rxe7 39. Kf2 Ke8 40. Bxe7 Kxe7 41. Ke3 1-0

[Event "Najdorf U14 op"]
[Site "Buenos Aires"]
[Date "2003.10.04"]
[Round "6.6"]
[White "Alonso, Arturo"]
[Black "Goldwaser, Christian"]
[Result "0-1"]
[ECO "C05"]
[PlyCount "80"]
[EventDate "2003.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Be2 Qb6 8. Qb3 Qc7 9. 0-0 Be7 10. Re1 g5 11. h3 h5 12. Qd1 cxd4 13. cxd4 g4 14. hxg4 hxg4 15. Nh2 Nxd4 16. Rb1 g3 17. fxg3 Nc2 18. Ndf3 Nxe1 19. Qxe1 Nc5 20. Be3 Qd8 21. Rd1 Bd7 22. Nd2 Rc8 23. Qf2 Qc7 24. Rf1 Qxe5 25. Qxf7+ Kd8 26. Qf2 Rf8 27. Bf3 Ne4 28. Qe2 Qxg3 29. Bxa7 Bc5+ 30. Bxc5 Nxc5 31. Re1 Rh8 32. Ng4 Qh4 33. Rd1 Na4 34. Qf2 Qxf2+ 35. Nxf2 Rc2 36. Nd3 Nxb2 37. Nxb2 Rxb2 38. a3 Ba4 39. Rb1 Rxd2 40. Rxb7 Re8 0-1

[Event "Najdorf U14 op"]
[Site "Buenos Aires"]
[Date "2003.10.04"]
[Round "4.11"]
[White "Alonso, Arturo"]
[Black "Rubin, Uriel"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "71"]
[EventDate "2003.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nc6 4. d4 d5 5. e5 Be7 6. Be2 b6 7. 0-0 Bb7 8. Be3 cxd4 9. cxd4 Qc7 10. Nbd2 Nh6 11. Bxh6 gxh6 12. Rc1 Kd7 13. Nb3 f6 14. Qc2 Rac8 15. exf6 Bxf6 16. Qd2 Qd8 17. Qxh6 Rg8 18. Rfe1 Qe7 19. Bd3 Nb4 20. Rxc8 Kxc8 21. Qxh7 Rg7 22. Qh8+ Kc7 23. Rc1+ Bc6 24. Qa8 Kd6 25. Qb8+ Kd7 26. Qxa7+ Ke8 27. Qxe7+ Kxe7 28. Bb1 Kd6 29. a3 Na6 30. Bd3 Nb8 31. Na1 e5 32. dxe5+ Bxe5 33. Nxe5 Kxe5 34. Nc2 d4 35. Re1+ Kd6 36. g3 1-0

[Event "Najdorf U14 op"]
[Site "Buenos Aires"]
[Date "2003.10.04"]
[Round "7.11"]
[White "Della Morte, German"]
[Black "Alonso, Arturo"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2069"]
[PlyCount "72"]
[EventDate "2003.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 gxf6 11. c3 f5 12. Bd3 Be6 13. Nc2 Rb8 14. Qh5 f4 15. b4 a5 16. a4 bxa4 17. Rxa4 axb4 18. cxb4 Bd7 19. Ra6 Rb7 20. Bc4 0-0 21. g3 Kh8 22. gxf4 exf4 23. Nxf4 Nxb4 24. Nxb4 Rxb4 25. Bd3 Bb5 26. Bxb5 Rb1+ 27. Ke2 Rxh1 28. Bd3 Qe8 29. e5 f5 30. exd6 Bxd6+ 31. Qxe8 Rxe8+ 32. Kf3 Bxf4 33. Kxf4 Rxh2 34. f3 Rf8 35. Ra5 h6 36. Kg3 Rh5 1/2-1/2

[Event "Najdorf U14 op"]
[Site "Buenos Aires"]
[Date "2003.10.04"]
[Round "5.7"]
[White "Sanchez, Dario"]
[Black "Alonso, Arturo"]
[Result "1/2-1/2"]
[ECO "E00"]
[PlyCount "62"]
[EventDate "2003.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. a3 a5 5. Bf4 c6 6. Nf3 Nbd7 7. e3 Be7 8. Bd3 0-0 9. Qc2 h6 10. h3 b6 11. Ne2 Ba6 12. Rc1 Rc8 13. 0-0 Ne8 14. Qd2 Ndf6 15. Rc2 Bd6 16. Ne5 Nh5 17. Bh2 Bxe5 18. Bxe5 Nd6 19. Rfc1 Nxc4 20. Bxc4 dxc4 21. b3 b5 22. bxc4 bxc4 23. g4 Nf6 24. Bxf6 Qxf6 25. e4 Kh7 26. Nc3 e5 27. d5 Qd6 28. a4 Rfd8 29. h4 Qd7 30. f3 Kg6 31. Kh2 Rg8 1/2-1/2

[Event "Najdorf U14 op"]
[Site "Buenos Aires"]
[Date "2003.10.03"]
[Round "2.13"]
[White "Alonso, Arturo"]
[Black "Uelf, Maximiliano"]
[Result "1-0"]
[ECO "C63"]
[PlyCount "49"]
[EventDate "2003.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Bxc6 dxc6 5. exf5 Bxf5 6. Nc3 Bd6 7. 0-0 Qf6 8. d4 e4 9. Re1 Ne7 10. Nxe4 Bxe4 11. Rxe4 0-0-0 12. Bg5 Qg6 13. Qe2 Rd7 14. Bxe7 Re8 15. Ne5 Bxe5 16. Rxe5 Rxd4 17. Rd1 Rxd1+ 18. Qxd1 Qf7 19. Bg5 Rf8 20. Qe1 h6 21. Bh4 Kb8 22. Re7 Qg6 23. Bg3 Rc8 24. Qe5 Qg4 25. f3 1-0

[Event "Najdorf U14 op"]
[Site "Buenos Aires"]
[Date "2003.10.03"]
[Round "3.3"]
[White "Cuevas, Alex"]
[Black "Alonso, Arturo"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "75"]
[EventDate "2003.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 Bxc3+ 8. bxc3 0-0 9. 0-0 d6 10. Bg5 Bg4 11. Bxf6 Bxd1 12. Bxd8 Bxc2 13. Bxc2 Rfxd8 14. Rfd1 Rac8 15. Rd3 Kf8 16. Rad1 Ke7 17. a3 b5 18. g3 a5 19. Bb1 a4 20. Nd2 Na5 21. Ba2 Rc7 22. Nf1 Nc4 23. Bxc4 Rxc4 24. f3 g6 25. Ne3 Rc5 26. f4 f6 27. Kf2 Rc6 28. Ke2 Rdc8 29. Rb1 Rc5 30. Rd2 Kf7 31. Nd5 Ke6 32. f5+ gxf5 33. exf5+ Kf7 34. Rb4 Rh8 35. c4 Rxc4 36. Rxc4 bxc4 37. Rb2 Rf8 38. Rb7+ 1-0

[Event "Najdorf U14 op"]
[Site "Buenos Aires"]
[Date "2003.10.03"]
[Round "1.32"]
[White "Soage, Franco"]
[Black "Alonso, Arturo"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "78"]
[EventDate "2003.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc6 bxc6 7. Be2 Bb4 8. Be3 Nxe4 9. 0-0 Bxc3 10. bxc3 Nxc3 11. Qd3 Nxe2+ 12. Qxe2 0-0 13. Qc4 d5 14. Qa4 Qd6 15. Rfd1 Bf5 16. c4 d4 17. Rd2 Qc5 18. Bg5 h6 19. Bh4 Rab8 20. Re1 Rb4 21. Qa3 Rxc4 22. Qxc5 Rxc5 23. Be7 Rd5 24. Bxf8 Kxf8 25. f3 f6 26. Rc1 Bd7 27. g4 Rb5 28. Kf2 Ke7 29. Ke2 Kd6 30. Kd3 Kd5 31. Rcc2 a6 32. Rb2 c5 33. Rxb5 axb5 34. Rf2 c4+ 35. Kc2 b4 36. Rf1 d3+ 37. Kd2 Kd4 38. Rf2 c3+ 39. Kc1 Ke3 0-1

[Event "ARG-ch sf2 U12"]
[Site "San Francisco"]
[Date "2003.07.20"]
[Round "7"]
[White "Alonso, Arturo"]
[Black "Rubin, Dario"]
[Result "1/2-1/2"]
[ECO "C10"]
[PlyCount "99"]
[EventDate "2003.07.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 b6 7. Bc4 Be7 8. 0-0 0-0 9. Bf4 Bb7 10. Ng5 Nd5 11. Bxd5 Bxd5 12. Nf3 c5 13. Rb1 cxd4 14. Nxd4 e5 15. Bxe5 Nxe5 16. Re1 Nc6 17. b3 Nxd4 18. Qxd4 Bc5 19. Qf4 Qd6 20. Qg5 Be6 21. Rbd1 Qe7 22. Qc1 g6 23. Ne4 Rad8 24. Qa1 Rxd1 25. Rxd1 f5 26. Nc3 Qf6 27. Nb5 Qxa1 28. Rxa1 a6 29. Nc7 Bc8 30. Nd5 Rd8 31. Rd1 Kf7 32. c4 Be6 33. Kf1 Bxd5 34. cxd5 Kf6 35. f4 h6 36. Ke2 g5 37. g3 gxf4 38. gxf4 Kg6 39. Kf3 Kh5 40. a4 Bd6 41. Rc1 Bc5 42. Rd1 Kg6 43. Kg2 h5 44. Kf3 h4 45. Rd2 Re8 46. d6 Kf6 47. d7 Rd8 48. Rd5 Ke6 49. Re5+ Kf6 50. Rd5 1/2-1/2

[Event "ARG-ch sf2 U12"]
[Site "San Francisco"]
[Date "2003.07.19"]
[Round "5"]
[White "Alonso, Arturo"]
[Black "Ramirez, Marysol"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "67"]
[EventDate "2003.07.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. Bd3 Nc6 5. Bc2 b6 6. 0-0 Qc7 7. d3 Bb7 8. Re1 Bd6 9. h3 h6 10. Na3 Ba6 11. Ba4 0-0-0 12. Nb5 Bxb5 13. Bxb5 e5 14. a3 Qb7 15. b4 a6 16. Bc4 b5 17. Bxf7 Rhf8 18. Bb3 Qb6 19. Be3 Rfe8 20. Nh4 g5 21. Ng6 Ne7 22. Nxe7+ Rxe7 23. Rc1 Kb7 24. a4 Rc8 25. axb5 Qxb5 26. bxc5 Bxc5 27. Bd5+ Nxd5 28. Rb1 Nb4 29. Bxc5 Qxc5 30. Rxb4+ Ka7 31. Rc4 Qb6 32. Rxc8 Rf7 33. Qe2 Qb7 34. Qe3+ 1-0

[Event "ARG-ch sf2 U12"]
[Site "San Francisco"]
[Date "2003.07.19"]
[Round "6"]
[White "Luo, Victor"]
[Black "Alonso, Arturo"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "51"]
[EventDate "2003.07.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 f5 11. exf5 Bxf5 12. c3 Bg7 13. Nc2 0-0 14. Nce3 Be6 15. Bd3 Rc8 16. Qh5 h6 17. h4 Ne7 18. Nxe7+ Qxe7 19. g4 Rfe8 20. Rd1 Qb7 21. Rg1 e4 22. Be2 f6 23. g5 Bf7 24. Qg4 fxg5 25. hxg5 hxg5 26. Qxg5 1-0

[Event "ARG-ch sf2 U12"]
[Site "San Francisco"]
[Date "2003.07.18"]
[Round "4"]
[White "Chiappero, Joaquin"]
[Black "Alonso, Arturo"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "42"]
[EventDate "2003.07.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. Bb5 a6 5. Bxc6 bxc6 6. 0-0 d5 7. d3 Be7 8. Bf4 Nf6 9. e5 Nd7 10. Re1 Nb6 11. b3 a5 12. a4 h6 13. h3 d4 14. Ne2 Nd5 15. Qd2 Rb8 16. Rab1 Ba6 17. c4 dxc3 18. Nxc3 Nxc3 19. Qxc3 Qxd3 20. Qc1 Qd8 21. Rd1 Qc7 0-1

[Event "ARG-ch sf2 U12"]
[Site "San Francisco"]
[Date "2003.07.18"]
[Round "3"]
[White "Ramela, Lucas"]
[Black "Alonso, Arturo"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "37"]
[EventDate "2003.07.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 f5 11. Bd3 Bg7 12. 0-0 Be6 13. Qh5 0-0 14. exf5 e4 15. Bxe4 Bxd5 16. Bxd5 Bxb2 17. Rab1 Bxa3 18. Rb3 Bc5 19. Rh3 1-0

[Event "ARG-ch sf2 U12"]
[Site "San Francisco"]
[Date "2003.07.17"]
[Round "2"]
[White "Alonso, Arturo"]
[Black "Barovero, Gonzalo"]
[Result "0-1"]
[ECO "C05"]
[PlyCount "118"]
[EventDate "2003.07.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Bb5 Qb6 8. Bxc6 bxc6 9. 0-0 cxd4 10. cxd4 c5 11. dxc5 Bxc5 12. Nb3 Bb4 13. a3 Be7 14. Nbd4 0-0 15. b4 Ba6 16. Re1 Rac8 17. Be3 Qc7 18. Rc1 Qb7 19. Nb3 Rxc1 20. Qxc1 Rc8 21. Qd2 Nb6 22. Na5 Qb8 23. Rc1 Rxc1+ 24. Qxc1 Nc4 25. Nc6 Qc7 26. Nxa7 Qb7 27. Qc3 Nxe3 28. Qxe3 Bd8 29. b5 Bxb5 30. Nxb5 Qxb5 31. h3 Bb6 32. Qc3 h6 33. Qb4 Qxb4 34. axb4 Kf8 35. Kf1 Ke8 36. Ke2 Kd7 37. Ne1 Kc6 38. Nc2 Kb5 39. f4 Kc4 40. g3 Kc3 41. Ne1 Kxb4 42. Kd3 Bf2 43. Nc2+ Kb3 44. Nd4+ Bxd4 45. Kxd4 Kc2 46. g4 Kd2 47. f5 Ke2 48. fxe6 fxe6 49. Kc5 Kf3 50. Kd6 d4 51. Kxe6 d3 52. Kf7 d2 53. e6 d1Q 54. e7 Qd7 55. Kf8 Qd6 56. Kf7 Qxe7+ 57. Kxe7 Kg3 58. Kf7 g5 59. Kg6 Kxh3 0-1

[Event "ARG-ch sf2 U12"]
[Site "San Francisco"]
[Date "2003.07.17"]
[Round "1"]
[White "Garbagnatti, Fernando"]
[Black "Alonso, Arturo"]
[Result "0-1"]
[ECO "D58"]
[PlyCount "55"]
[EventDate "2003.07.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 0-0 7. Nf3 b6 8. Bd3 Bb7 9. cxd5 exd5 10. Ne5 Nbd7 11. Bxf6 Bxf6 12. Nf3 Be7 13. Qb3 Nf6 14. Ne5 Qe8 15. Qc2 c5 16. Bf5 Qd8 17. 0-0 a6 18. a4 Bd6 19. f4 Qe7 20. Rf3 Bc8 21. Rh3 cxd4 22. exd4 Ne4 23. Bxe4 Bxh3 24. Bh7+ Kh8 25. gxh3 Bxe5 26. fxe5 g6 27. Bxg6 fxg6 28. Qxg6 0-1

[Event "ARG-ch sf U14"]
[Site "Tandil"]
[Date "2003.05.04"]
[Round "7"]
[White "Alonso, Arturo"]
[Black "Cortes, Martin Gustavo"]
[Result "0-1"]
[ECO "C05"]
[PlyCount "42"]
[EventDate "2003.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 094 Extra"]
[Source "ChessBase"]
[SourceDate "2003.07.09"]
[SourceVersion "2"]
[SourceVersionDate "2003.07.09"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Bb5 Qb6 8. Bxc6 bxc6 9. Qc2 Ba6 10. b3 cxd4 11. cxd4 c5 12. Bb2 Rc8 13. Rc1 Be7 14. Qd1 0-0 15. Ba1 cxd4 16. Bxd4 Nc5 17. Rc3 Qb4 18. Bxc5 Bxc5 19. Qa1 Qxc3 20. Qxc3 Bxf2+ 21. Kxf2 Rxc3 0-1

[Event "ARG-ch sf U14"]
[Site "Tandil"]
[Date "2003.05.03"]
[Round "6"]
[White "Alonso, Arturo"]
[Black "Blit, Jacques"]
[Result "0-1"]
[ECO "C04"]
[PlyCount "52"]
[EventDate "2003.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 094 Extra"]
[Source "ChessBase"]
[SourceDate "2003.07.09"]
[SourceVersion "2"]
[SourceVersionDate "2003.07.09"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Bb5 a6 7. Bxc6 bxc6 8. 0-0 c5 9. c3 f6 10. exf6 Qxf6 11. Qa4 cxd4 12. Qc6 Ra7 13. Nxd4 Bd6 14. N2f3 0-0 15. Qa4 Ra8 16. Qc2 h6 17. c4 c5 18. Nb3 d4 19. Nbd2 Bb7 20. b3 Ne5 21. Nxe5 Qxe5 22. g3 Qh5 23. Qd1 Qh3 24. f3 Bxg3 25. hxg3 Qxg3+ 26. Kh1 Rf4 0-1

[Event "ARG-ch sf U14"]
[Site "Tandil"]
[Date "2003.05.03"]
[Round "4"]
[White "Alonso, Arturo"]
[Black "Catelli, Hernan"]
[Result "1/2-1/2"]
[ECO "C09"]
[PlyCount "146"]
[EventDate "2003.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 094 Extra"]
[Source "ChessBase"]
[SourceDate "2003.07.09"]
[SourceVersion "2"]
[SourceVersionDate "2003.07.09"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. dxc5 Bxc5 6. Ngf3 Nc6 7. Nb3 Bb6 8. c3 Nge7 9. Bd3 h6 10. 0-0 0-0 11. Bf4 Bg4 12. h3 Bh5 13. Re1 Re8 14. Nbd2 Bc7 15. Bxc7 Qxc7 16. Nf1 Rad8 17. Ng3 Bg6 18. Bxg6 Nxg6 19. Qd2 Nge5 20. Nxe5 Nxe5 21. Qd4 b6 22. Nf5 f6 23. Re3 Qd7 24. Ng3 Nc4 25. Rxe8+ Rxe8 26. b3 Ne5 27. Rd1 Rd8 28. Qd2 Nc6 29. Ne2 a6 30. Nd4 Ne5 31. f4 Nf7 32. Nc2 Qc6 33. Nb4 Qc5+ 34. Qd4 a5 35. Qxc5 bxc5 36. Nxd5 Re8 37. Rd2 Re1+ 38. Kf2 Rc1 39. c4 a4 40. Ke3 Kf8 41. Ke4 Nd6+ 42. Kd3 axb3 43. axb3 Nf5 44. Nb6 Ke7 45. Na4 Kd6 46. Ke4+ Nd4 47. Nxc5 Kxc5 48. Rxd4 Re1+ 49. Kd3 Rd1+ 50. Kc3 Rc1+ 51. Kb2 Rf1 52. Rd5+ Kc6 53. Kc3 Rxf4 54. g3 Rf3+ 55. Rd3 Rf1 56. Kb4 Re1 57. g4 Rf1 58. Rg3 Rf4 59. h4 g5 60. hxg5 hxg5 61. Rg1 f5 62. gxf5 Rxf5 63. Rg3 Kd6 64. Kc3 Kc6 65. b4 Kd6 66. Kb3 Kc6 67. Ka4 Kb6 68. c5+ Kc6 69. Ka5 Rf8 70. Ka4 Rg8 71. Kb3 g4 72. Kc4 Rg5 73. b5+ Kc7 1/2-1/2

[Event "ARG-ch sf U14"]
[Site "Tandil"]
[Date "2003.05.03"]
[Round "5"]
[White "Bartis, Fernando"]
[Black "Alonso, Arturo"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "86"]
[EventDate "2003.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 094 Extra"]
[Source "ChessBase"]
[SourceDate "2003.07.09"]
[SourceVersion "2"]
[SourceVersionDate "2003.07.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 d6 4. c3 Nf6 5. Qc2 g6 6. d4 cxd4 7. cxd4 Bg7 8. Be3 0-0 9. 0-0 Bg4 10. Be2 Rc8 11. Nc3 Nd7 12. Rad1 Nb6 13. Rfe1 Qc7 14. a3 Nd8 15. Rd2 Bd7 16. Rc1 Na4 17. Nxa4 Qxc2 18. Rcxc2 Rxc2 19. Rxc2 Bxa4 20. Rc7 Re8 21. Bg5 Kf8 22. Rc4 Bb5 23. Rc2 Bxe2 24. Rxe2 Ne6 25. d5 Nxg5 26. Nxg5 h6 27. Nf3 Rc8 28. g3 Rc1+ 29. Kg2 Rb1 30. b4 Ra1 31. Rc2 Bf6 32. Rc8+ Kg7 33. Rc7 Rxa3 34. Rxb7 Ra4 35. Ne1 Bc3 36. Nd3 Ra3 37. b5 Kf6 38. f4 Bd4 39. Nb4 Rb3 40. Nc6 Rb2+ 41. Kh3 Bg1 42. e5+ dxe5 43. fxe5+ Kf5 0-1

[Event "ARG-ch sf U14"]
[Site "Tandil"]
[Date "2003.05.02"]
[Round "2"]
[White "Alonso, Arturo"]
[Black "Lemos, Damian"]
[Result "0-1"]
[ECO "C04"]
[PlyCount "94"]
[EventDate "2003.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 094 Extra"]
[Source "ChessBase"]
[SourceDate "2003.07.09"]
[SourceVersion "2"]
[SourceVersionDate "2003.07.09"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Bb5 Ndb8 7. 0-0 b6 8. c3 a5 9. a4 Ba6 10. Bxa6 Nxa6 11. b3 Be7 12. Qc2 Ncb8 13. Bb2 c5 14. Qd3 0-0 15. Ba3 Nc6 16. Qb5 Qd7 17. Rfc1 Rfc8 18. Nf1 Nc7 19. Qd3 Na6 20. Qb5 Qe8 21. Ng3 Nc7 22. Qd3 Qf8 23. Bb2 Nb8 24. Rd1 Nca6 25. Qb5 Qd8 26. Ba3 Nc7 27. Qd3 Nd7 28. Ne1 Nb8 29. Nf3 Qf8 30. Bb2 Qe8 31. Ba3 Ra7 32. Ra2 c4 33. Qc2 Bxa3 34. Rxa3 Qe7 35. Raa1 Nca6 36. bxc4 Rxc4 37. Nd2 Rc8 38. Qb3 Nd7 39. Rdc1 Rac7 40. Ne2 g6 41. Qb5 Nab8 42. Qb3 Nc6 43. Nb1 f6 44. f4 fxe5 45. fxe5 Qg5 46. Rc2 Qe3+ 47. Kh1 Nxd4 0-1

[Event "ARG-ch sf U14"]
[Site "Tandil"]
[Date "2003.05.02"]
[Round "3"]
[White "Friedheim, Diego"]
[Black "Alonso, Arturo"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "50"]
[EventDate "2003.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 094 Extra"]
[Source "ChessBase"]
[SourceDate "2003.07.09"]
[SourceVersion "2"]
[SourceVersionDate "2003.07.09"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 Nc6 6. Bc4 Be7 7. 0-0 d6 8. Qe2 Qc7 9. Rd1 a6 10. Bf4 b5 11. Bxb5 axb5 12. Nxb5 Qb6 13. Bxd6 Ba6 14. Nc7+ Qxc7 15. Qxa6 Rxa6 16. Bxc7 Nf6 17. Nd2 0-0 18. f3 Rc8 19. Bg3 Nb4 20. a3 Nd3 21. b4 Rc2 22. Nb1 Nb2 23. Rd4 Kf8 24. b5 Bc5 25. Bf2 Rxf2 0-1

[Event "ARG-ch sf U14"]
[Site "Tandil"]
[Date "2003.05.01"]
[Round "1"]
[White "Otero, Fernando"]
[Black "Alonso, Arturo"]
[Result "0-1"]
[ECO "E14"]
[PlyCount "84"]
[EventDate "2003.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 094 Extra"]
[Source "ChessBase"]
[SourceDate "2003.07.09"]
[SourceVersion "2"]
[SourceVersionDate "2003.07.09"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Be7 5. Nbd2 0-0 6. 0-0 b6 7. b3 c5 8. Bb2 Nbd7 9. Rc1 Bb7 10. c4 Rc8 11. Re1 Qc7 12. Qe2 Ng4 13. h3 Ngf6 14. Rc2 Qb8 15. Rec1 cxd4 16. exd4 h6 17. Nf1 Rfd8 18. Ng3 Bd6 19. Nf1 Bf4 20. Ne3 Bd6 21. Qe1 a5 22. a3 Qa8 23. Be2 Rc7 24. Ra1 Rdc8 25. b4 dxc4 26. Nxc4 Bf8 27. Qd1 Ba6 28. Ne3 Bxe2 29. Qxe2 Rxc2 30. Nxc2 Qe4 31. Qxe4 Nxe4 32. Nfe1 Nd2 33. bxa5 bxa5 34. a4 Nc4 35. Bc3 Ndb6 36. g3 Nd5 37. Bxa5 Nxa5 38. Rb1 Rc4 39. Ra1 Nc3 40. Nd3 Ne2+ 41. Kf1 Rxc2 42. Nb4 Bxb4 0-1

[Event "Villa Ballester op 53th"]
[Site "Villa Ballester"]
[Date "2003.01.19"]
[Round "9"]
[White "Alonso, Arturo"]
[Black "Caramia, Javier"]
[Result "0-1"]
[ECO "B44"]
[BlackElo "2187"]
[PlyCount "74"]
[EventDate "2003.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Bf4 Qb6 7. Be5 Nf6 8. Nd2 Bc5 9. Qf3 Bxf2+ 10. Kd1 Qe3 11. Qxe3 Bxe3 12. Nc4 Bc5 13. Bd6 Nxe4 14. Bxc5 Nxc5 15. Nd6+ Ke7 16. Nxc8+ Rhxc8 17. Be2 Rab8 18. b3 d5 19. c4 a5 20. cxd5 cxd5 21. Rc1 Ne4 22. Ba6 Rxc1+ 23. Kxc1 Rb6 24. Be2 Nc3 25. Kd2 d4 26. Bc4 e5 27. a4 Rf6 28. Rf1 Rxf1 29. Bxf1 Kd6 30. Bc4 f5 31. Bg8 h6 32. Bh7 f4 33. Kd3 Kc5 34. Bg8 e4+ 35. Kd2 g5 36. h3 Nd5 37. Bh7 Nf6 0-1

[Event "Villa Ballester op 53th"]
[Site "Villa Ballester"]
[Date "2003.01.18"]
[Round "8"]
[White "Romano, Angel"]
[Black "Alonso, Arturo"]
[Result "0-1"]
[ECO "C26"]
[PlyCount "136"]
[EventDate "2003.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 Bc5 6. Qf3 Nd4 7. Qd3 0-0 8. Be3 Ne6 9. 0-0-0 Re8 10. Bxc5 Nxc5 11. Qc4 Ncxe4 12. Bd3 Nxf2 13. Nf3 Nxh1 14. Qh4 h6 15. Rxh1 d6 16. h3 Nd7 17. Qh5 Ne5 18. Rf1 Nxf3 19. Qxf3 Rf8 20. g4 Qf6 21. Qxf6 gxf6 22. Rxf6 Kg7 23. Rf4 Bd7 24. Nd5 c6 25. Nf6 Be6 26. Nh5+ Kg8 27. Rf6 Rfd8 28. Rxh6 Kf8 29. Nf4 Kg7 30. Rxe6 fxe6 31. Nxe6+ Kf6 32. Nxd8 Rxd8 33. h4 Rh8 34. h5 Kg5 35. Be2 Rf8 36. Kd2 Rf4 37. Ke3 Rb4 38. b3 a5 39. c3 Rf4 40. Bf3 d5 41. Kf2 d4 42. c4 d3 43. Ke3 Rf8 44. Bd1 Rd8 45. Ke4 d2 46. Ke3 b5 47. cxb5 cxb5 48. Ke2 Rd7 49. Bc2 Rd4 50. Kd1 Kxg4 51. h6 Rd8 52. a3 Kf3 53. h7 Ke3 54. b4 Rf8 55. Bf5 a4 56. Kc2 Ke2 57. Bg4+ Ke1 58. Kc3 d1Q 59. Bxd1 Kxd1 60. Kd4 Rh8 61. Kc5 Kc2 62. Kxb5 Kb3 63. Kc6 Rxh7 64. b5 Kxa3 65. b6 Kb4 66. Kd5 a3 67. Kd4 a2 68. Kd3 a1Q 0-1

[Event "Villa Ballester op 53th"]
[Site "Villa Ballester"]
[Date "2003.01.17"]
[Round "7"]
[White "Alonso, Arturo"]
[Black "Pissano, Roberto"]
[Result "1/2-1/2"]
[ECO "C10"]
[PlyCount "68"]
[EventDate "2003.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Ngf6 8. Bg5 Be7 9. Ned2 0-0 10. c4 h6 11. Bf4 Bxf3 12. Nxf3 c5 13. Re1 Qb6 14. dxc5 Bxc5 15. Re2 Rad8 16. Qc1 Ng4 17. Bg3 Ndf6 18. Qc2 Nh5 19. Rd1 Nxg3 20. hxg3 Kh8 21. a3 a5 22. Nh2 Bxf2+ 23. Rxf2 Ne3 24. c5 Qc6 25. Qe2 Nxd1 26. Qxd1 Qxc5 27. Qc2 Qd4 28. Bf1 Rc8 29. Qd2 Qb6 30. Qe2 Rc5 31. Kh1 Rfc8 32. Rxf7 Rf5 33. Rxf5 exf5 34. Qd2 Qb3 1/2-1/2

[Event "Villa Ballester op 53th"]
[Site "Villa Ballester"]
[Date "2003.01.15"]
[Round "6"]
[White "Zabala, Adriel"]
[Black "Alonso, Arturo"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "36"]
[EventDate "2003.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 f5 11. Qf3 Nd4 12. Qc3 Ra7 13. Bd3 Bb7 14. 0-0-0 fxe4 15. Bf1 Bxd5 16. Rxd4 Rc7 17. Qe3 exd4 18. Qxd4 Qg5+ 0-1

[Event "Villa Ballester op 53th"]
[Site "Villa Ballester"]
[Date "2003.01.14"]
[Round "5"]
[White "Alonso, Arturo"]
[Black "Sierra, Fabricio"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "88"]
[EventDate "2003.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. Nf3 Bg4 6. Be2 Nc6 7. 0-0 e5 8. d3 0-0-0 9. Ng5 Bxe2 10. Qxe2 Nd4 11. Qd1 h6 12. Ne4 f5 13. Ng3 Qd7 14. Ne2 g5 15. Nxd4 exd4 16. Re1 Bd6 17. Bd2 Qf7 18. Re2 Qh5 19. g3 Qg6 20. Qe1 Rde8 21. Rxe8+ Rxe8 22. Qf1 Kd7 23. Re1 Rxe1 24. Qxe1 Qe6 25. Qxe6+ Kxe6 26. f4 g4 27. Kf2 Kd5 28. Ke2 c5 29. c4+ dxc3 30. Bxc3 Bc7 31. a3 Bb6 32. Ke3 c4+ 33. d4 Bc7 34. Bb4 b5 35. Bf8 h5 36. Bg7 a5 37. Be5 Bb6 38. Bh8 b4 39. axb4 axb4 40. Bg7 Ba5 41. Kd2 b3+ 42. Kd1 c3 43. Kc1 c2 44. Be5 Ke4 0-1

[Event "Villa Ballester op 53th"]
[Site "Villa Ballester"]
[Date "2003.01.12"]
[Round "4"]
[White "Lorenzo, Fernando"]
[Black "Alonso, Arturo"]
[Result "1/2-1/2"]
[ECO "C87"]
[PlyCount "135"]
[EventDate "2003.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Be7 5. c3 Nf6 6. 0-0 b5 7. Bc2 0-0 8. Re1 d6 9. d3 Bg4 10. Nbd2 Na5 11. Nf1 c5 12. Ng3 Re8 13. h3 Be6 14. Be3 Bf8 15. d4 cxd4 16. cxd4 Bd7 17. b3 Rc8 18. Rc1 Nc6 19. Bb1 Na7 20. Qd2 Rxc1 21. Rxc1 Qb8 22. Qa5 exd4 23. Nxd4 Bc8 24. Qc7 Qxc7 25. Rxc7 Re7 26. Rxe7 Bxe7 27. Ndf5 Nc6 28. Nxe7+ Nxe7 29. Bg5 Kf8 30. Bxf6 gxf6 31. Nh5 Ng8 32. Kf1 Ke8 33. Ke2 Ke7 34. Ke3 Nh6 35. f4 f5 36. exf5 Nxf5+ 37. Bxf5 Bxf5 38. Kd4 b4 39. Kc4 Bb1 40. Kxb4 Bxa2 41. Ng3 a5+ 42. Kc3 Bb1 43. Ne2 Be4 44. g4 Bg2 45. Ng1 Ke6 46. Kd4 f5 47. g5 Bd5 48. Kc3 Kf7 49. Ne2 Be4 50. Kd4 Bc2 51. Kc3 Bd1 52. Nd4 Kg6 53. Nc6 a4 54. bxa4 Bxa4 55. Ne7+ Kf7 56. Nxf5 Ke6 57. Ne3 Bd7 58. Kd4 Kf7 59. f5 Bxf5 60. Nxf5 Kg6 61. Nxd6 Kxg5 62. Ne4+ Kh4 63. Nf2 Kg3 64. Ke3 Kg2 65. Kf4 Kxf2 66. h4 Ke2 67. h5 Kd3 68. Kg5 1/2-1/2

[Event "Villa Ballester op 53th"]
[Site "Villa Ballester"]
[Date "2003.01.11"]
[Round "3"]
[White "Alonso, Arturo"]
[Black "Olmos, Sebastian"]
[Result "1-0"]
[ECO "C66"]
[PlyCount "127"]
[EventDate "2003.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Nf6 5. Re1 Bd7 6. c3 a6 7. Ba4 Be7 8. h3 0-0 9. d4 h6 10. Nbd2 b5 11. Bc2 exd4 12. cxd4 Re8 13. Nf1 d5 14. e5 Nh7 15. Qd3 f5 16. a3 Ng5 17. Ne3 Nxf3+ 18. gxf3 Rf8 19. Nxd5 Be6 20. Nxe7+ Qxe7 21. d5 Rad8 22. Bb3 Na7 23. d6 Qf7 24. Bxe6 Qxe6 25. Be3 Nc8 26. Bc5 f4 27. Kh2 Rf5 28. Rad1 cxd6 29. Qd5 Qf7 30. Qxf7+ Kxf7 31. Bxd6 Nxd6 32. Rxd6 Re8 33. e6+ Kf8 34. Rxa6 Rf6 35. Rb6 Ke7 36. Rxb5 Rxe6 37. Rbe5 Kf6 38. Rxe6+ Rxe6 39. Rxe6+ Kxe6 40. b4 Kd6 41. Kg1 g5 42. h4 Kd5 43. hxg5 hxg5 44. Kg2 Kd4 45. b5 Kc5 46. a4 Kb6 47. Kh3 Kc5 48. Kg4 Kd5 49. Kxg5 Ke5 50. a5 Kd6 51. Kxf4 Kc7 52. Ke5 Kd7 53. f4 Kc7 54. f5 Kd7 55. f6 Ke8 56. a6 Kd7 57. a7 Kc7 58. a8Q Kb6 59. Qc8 Kxb5 60. Kd5 Kb4 61. Qc4+ Ka5 62. Qb3 Ka6 63. Kc6 Ka7 64. Qb7# 1-0

[Event "Villa Ballester op 53th"]
[Site "Villa Ballester"]
[Date "2003.01.10"]
[Round "2"]
[White "Pesoa, Martin"]
[Black "Alonso, Arturo"]
[Result "1-0"]
[ECO "C87"]
[PlyCount "55"]
[EventDate "2003.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 d6 7. c3 b5 8. Bc2 Na5 9. d3 c5 10. Nbd2 0-0 11. Nf1 Re8 12. h3 h6 13. Ng3 Be6 14. a4 Nc6 15. d4 Bd7 16. Be3 cxd4 17. cxd4 exd4 18. Nxd4 Nb4 19. Bb1 bxa4 20. Ndf5 Bb5 21. Qd2 Nc6 22. Nxg7 Kxg7 23. Bxh6+ Kh8 24. Bg7+ Kg8 25. Qh6 Nh7 26. e5 f6 27. Bxh7+ Kf7 28. e6# 1-0

[Event "Villa Ballester op 53th"]
[Site "Villa Ballester"]
[Date "2003.01.07"]
[Round "1"]
[White "Alonso, Arturo"]
[Black "De Dovitiis, Alejo"]
[Result "0-1"]
[ECO "C04"]
[BlackElo "2422"]
[PlyCount "68"]
[EventDate "2003.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Be2 f6 7. exf6 Qxf6 8. c3 Bd6 9. 0-0 0-0 10. Re1 e5 11. Qb3 Nb6 12. a4 Na5 13. Qb5 e4 14. Qxa5 exf3 15. Bxf3 c6 16. b3 Nd7 17. Bxd5+ cxd5 18. Qxd5+ Qf7 19. Qxf7+ Rxf7 20. Nc4 Bf8 21. Bd2 Nf6 22. Ne5 Rc7 23. c4 Bf5 24. Rec1 Rd8 25. Nf3 Bg4 26. d5 Ne4 27. Be1 Nc5 28. Rc3 a5 29. Ne5 Bc8 30. Re3 b6 31. Nd3 Nxb3 32. Rb1 Nc5 33. Nxc5 Bxc5 34. Re4 Bf5 0-1

[Event "Magistralito Najdorf U14"]
[Site "Buenos Aires"]
[Date "2002.10.08"]
[Round "6.40"]
[White "Alonso, Arturo"]
[Black "Olmos, Sebastian"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "67"]
[EventDate "2002.10.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 h6 8. Bxf6 Qxf6 9. Nd5 Qh4 10. Ndc7+ Kd7 11. Nxa8 Qxe4+ 12. Qe2 Qb4+ 13. c3 Qa5 14. Qf3 f6 15. Na3 Nd4 16. Qd3 Kd8 17. 0-0-0 Bf5 18. Qg3 Ne6 19. Bd3 e4 20. Bc2 g5 21. Rhe1 Nc5 22. f3 Nd3+ 23. Bxd3 exd3 24. Qf2 b6 25. Qe3 Bg6 26. Qe6 Qf5 27. Qxf5 Bxf5 28. g4 Bg6 29. Re6 Be7 30. Rde1 Re8 31. Kd2 Bf7 32. R6e3 Bg6 33. Nb5 a6 34. Nbc7 1-0

[Event "Magistralito Najdorf U14"]
[Site "Buenos Aires"]
[Date "2002.10.07"]
[Round "4.31"]
[White "Alonso, Arturo"]
[Black "Krysa, Leandro Sergio"]
[Result "0-1"]
[ECO "B45"]
[PlyCount "68"]
[EventDate "2002.10.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. Nd6+ Ke7 8. Nxc8+ Rxc8 9. Bd2 Bxc3 10. Bxc3 Kf8 11. Bd3 e5 12. 0-0 d6 13. Kh1 Ne7 14. Qf3 Ng6 15. Bd2 h6 16. Qg3 Qd7 17. h3 Qa4 18. h4 Nxe4 19. Qg4 Nxf2+ 20. Rxf2 Qxg4 21. Kg1 Nf4 22. Bxf4 exf4 23. Raf1 g5 24. hxg5 hxg5 25. Be2 Qh4 26. Rf3 Qh2+ 27. Kf2 Rxc2 28. Rd1 Rxe2+ 29. Kxe2 Qxg2+ 30. Rf2 Qe4+ 31. Kd2 Qe3+ 32. Kc2 Qxf2+ 33. Rd2 Qc5+ 34. Kb1 Rh1+ 0-1

[Event "Magistralito Najdorf U14"]
[Site "Buenos Aires"]
[Date "2002.10.07"]
[Round "5.39"]
[White "Ibarra, Ramiro"]
[Black "Alonso, Arturo"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "68"]
[EventDate "2002.10.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. h3 d6 6. Nc3 0-0 7. Bg5 h6 8. Bh4 Bb4 9. Qd2 Nd4 10. a3 Nxf3+ 11. gxf3 Bxc3 12. Qxc3 g5 13. Bg3 Nh5 14. 0-0-0 Qf6 15. d4 exd4 16. Rxd4 Nxg3 17. fxg3 c5 18. Rd3 Qxc3 19. Rxc3 Be6 20. Bxe6 fxe6 21. Rd1 Rfd8 22. Rcd3 Rf8 23. Rf1 Rad8 24. c4 h5 25. g4 h4 26. b4 b6 27. b5 Rf4 28. Kc2 Kf7 29. Kc3 Ke7 30. Rb1 e5 31. Kd2 Kd7 32. Ke2 Kc7 33. Ra1 Kb7 34. a4 Rf6 1/2-1/2

[Event "Magistralito Najdorf U14"]
[Site "Buenos Aires"]
[Date "2002.10.07"]
[Round "3.21"]
[White "Maglieri, Nahuel"]
[Black "Alonso, Arturo"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "55"]
[EventDate "2002.10.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 d6 4. Nc3 Nf6 5. Ng5 e6 6. d3 h6 7. Nf3 Be7 8. 0-0 0-0 9. Be3 b6 10. h3 Bb7 11. a3 Re8 12. b4 Qc7 13. Qb1 e5 14. bxc5 bxc5 15. Bb5 Rab8 16. Nd5 Qd7 17. a4 Ba8 18. Qd1 a6 19. Nxe7+ Rxe7 20. Bxa6 Qa7 21. Bb5 Rb6 22. Nh4 Rd7 23. Qf3 Ne8 24. Qg4 Kf8 25. Rfe1 Qa5 26. Qxd7 Rb7 27. Qxc6 Re7 28. Qc8 1-0

[Event "Magistralito Najdorf U14"]
[Site "Buenos Aires"]
[Date "2002.10.06"]
[Round "1.13"]
[White "Alonso, Arturo"]
[Black "Maldonado, Joaquin"]
[Result "0-1"]
[ECO "B70"]
[PlyCount "76"]
[EventDate "2002.10.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bg5 Bg7 7. Bc4 0-0 8. Qd2 Nc6 9. Nb3 Ne5 10. Be2 Bd7 11. f4 Nc6 12. 0-0-0 Rc8 13. e5 Ng4 14. Bh4 Be6 15. exd6 Qxd6 16. Qxd6 exd6 17. Bxg4 Bxg4 18. Rxd6 Nb4 19. a3 Bxc3 20. bxc3 Na2+ 21. Kb2 Nxc3 22. Rd2 Na4+ 23. Kb1 Nb6 24. h3 Be6 25. Rhd1 Nc4 26. Re2 Nxa3+ 27. Kb2 Nb5 28. Red2 Kg7 29. Nd4 Nxd4 30. Rxd4 Rc6 31. Bd8 h5 32. Rd6 Rc8 33. Be7 Rfe8 34. Rd8 Rxe7 35. Rxc8 Bxc8 36. Rd8 Bf5 37. Rd2 Re4 38. Rf2 b5 0-1

[Event "Magistralito Najdorf U14"]
[Site "Buenos Aires"]
[Date "2002.10.06"]
[Round "2.29"]
[White "Juliarena, Agustin"]
[Black "Alonso, Arturo"]
[Result "0-1"]
[ECO "D63"]
[PlyCount "84"]
[EventDate "2002.10.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Nbd7 5. Bg5 Be7 6. e3 0-0 7. Rc1 c5 8. Bd3 h6 9. Bh4 cxd4 10. Nxd4 Ne5 11. cxd5 Nxd3+ 12. Qxd3 Nxd5 13. Bxe7 Nxe7 14. Qe2 b6 15. 0-0 Bb7 16. Rfd1 Nd5 17. Nb3 Nxc3 18. Rxc3 Qg5 19. f3 Rfd8 20. Rxd8+ Qxd8 21. Qd2 Qxd2 22. Nxd2 Rc8 23. Rxc8+ Bxc8 24. Kf2 Kf8 25. e4 Ke7 26. Ke3 e5 27. g3 Ba6 28. b4 Kd6 29. Nb1 Bc4 30. a3 b5 31. Nd2 Ba2 32. h4 g6 33. f4 f6 34. fxe5+ fxe5 35. Nf3 Ke6 36. Ne1 Bb1 37. Nf3 Kf6 38. Nh2 h5 39. g4 Bc2 40. gxh5 gxh5 41. Nf3 Bb3 42. Ne1 Bc4 0-1

[Event "ARG-ch U10 sf"]
[Site "Esperanza"]
[Date "2002.04.06"]
[Round "5"]
[White "Alonso, Arturo"]
[Black "Peretti, Lucas Guillermo"]
[Result "0-1"]
[ECO "A43"]
[PlyCount "137"]
[EventDate "2002.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Bg7 3. d4 c5 4. d5 d6 5. Bb5+ Nd7 6. 0-0 a6 7. Bxd7+ Bxd7 8. Nc3 Nf6 9. Bg5 0-0 10. Qd2 b5 11. Rfe1 b4 12. Nd1 Rb8 13. c3 Ng4 14. h3 Ne5 15. Nxe5 Bxe5 16. Ne3 Bg7 17. Nc4 bxc3 18. bxc3 Bb5 19. Ne3 Qa5 20. Rec1 Rb7 21. a4 Be8 22. Rab1 Rxb1 23. Rxb1 Bxc3 24. Qa2 f6 25. Nc4 Qxa4 26. Qxa4 Bxa4 27. Bh6 Rd8 28. Bd2 Bxd2 29. Nxd2 Bb5 30. f3 Kf7 31. Kf2 e6 32. Ke1 exd5 33. exd5 Re8+ 34. Kd1 Re5 35. Ne4 Rxd5+ 36. Kc1 Rd3 37. Kc2 Rd4 38. Kc3 Ke7 39. Re1 Kf7 40. Re3 Rd5 41. f4 Bc6 42. g4 Rd4 43. Nd2 Rxf4 44. Nc4 Rf3 45. Nxd6+ Kg7 46. Ne8+ Kf7 47. Nd6+ Kg8 48. Rxf3 Bxf3 49. Kc4 Kf8 50. Kxc5 Ke7 51. Nc4 Be2 52. Na5 Ke6 53. Kd4 Bf1 54. h4 Bh3 55. g5 fxg5 56. hxg5 Kf5 57. Ke3 Kxg5 58. Kf2 Kf4 59. Nc4 g5 60. Ne3 g4 61. Nd5+ Ke5 62. Ne7 Ke6 63. Nc6 h5 64. Kg3 Kf6 65. Nd4 a5 66. Nc2 a4 67. Kh4 Ke5 68. Ne3 Ke4 69. Nc4 0-1

[Event "ARG-ch U10 sf"]
[Site "Esperanza"]
[Date "2002.04.06"]
[Round "6"]
[White "Sanchez, Diego"]
[Black "Alonso, Arturo"]
[Result "0-1"]
[ECO "C65"]
[PlyCount "74"]
[EventDate "2002.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. Bg5 Be7 6. Nc3 a6 7. Ba4 b5 8. Bb3 Nd4 9. Nxd4 exd4 10. Nd5 Nxd5 11. Bxd5 Rb8 12. Bxe7 Qxe7 13. Bc6+ Bd7 14. Bxd7+ Qxd7 15. 0-0 0-0 16. Qd2 Qc6 17. b3 a5 18. c4 dxc3 19. Qc2 b4 20. a4 d5 21. Rfe1 dxe4 22. Rxe4 Rfe8 23. Rc4 Qe6 24. Re4 Qh6 25. Qe2 Rxe4 26. Qxe4 Qd2 27. Re1 g6 28. Qe2 Rd8 29. Qxd2 cxd2 30. Rd1 Rxd3 31. Kf1 Rxb3 32. Rxd2 Ra3 33. Rd7 b3 34. Rxc7 b2 35. Rb7 Ra1+ 36. Ke2 b1Q 37. Rxb1 Rxb1 0-1

[Event "ARG-ch U10 sf"]
[Site "Esperanza"]
[Date "2002.04.05"]
[Round "3"]
[White "Alonso, Arturo"]
[Black "Eseverri, Joaquin"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "61"]
[EventDate "2002.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nc3 Nc6 5. Nf3 Nf6 6. Bb5 Bg4 7. Bg5 g6 8. h3 Bd7 9. Qe2 Bg7 10. Ne5 0-0 11. Nxd7 Qxd7 12. 0-0 Qc7 13. Bxf6 Bxf6 14. Nxd5 Qd7 15. Bc4 Nxd4 16. Nxf6+ exf6 17. Qd3 Rfe8 18. Kh1 Nf5 19. Qb3 Re7 20. Rad1 Qc7 21. Rfe1 Rae8 22. Bxf7+ Rxf7 23. Rxe8+ Kg7 24. Rdd8 Ne7 25. Qc3 Qxc3 26. bxc3 Kh6 27. Rd7 f5 28. Rexe7 Rf6 29. f4 g5 30. Rxh7+ Kg6 31. Rdg7# 1-0

[Event "ARG-ch U10 sf"]
[Site "Esperanza"]
[Date "2002.04.05"]
[Round "4"]
[White "Lopez, Tomas"]
[Black "Alonso, Arturo"]
[Result "1-0"]
[ECO "C64"]
[PlyCount "111"]
[EventDate "2002.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Qf6 4. 0-0 Bc5 5. Nc3 Nge7 6. d3 d6 7. Bg5 Qe6 8. Qd2 Bd7 9. Bc4 Qg6 10. Qe2 Nd4 11. Nxd4 Bxd4 12. Bxe7 Bxc3 13. bxc3 Kxe7 14. Qf3 Bg4 15. Qg3 Bh5 16. Qxg6 Bxg6 17. Rab1 Rab8 18. f4 exf4 19. Rxf4 a6 20. Rbf1 Rhf8 21. Bb3 b5 22. c4 bxc4 23. Bxc4 Rb2 24. Bb3 f6 25. Rg4 a5 26. a4 Kd8 27. Ra1 Bf7 28. Bxf7 Rxf7 29. c4 Rb3 30. Rg3 c6 31. d4 Rxg3 32. hxg3 Re7 33. Re1 d5 34. cxd5 cxd5 35. e5 fxe5 36. dxe5 Kd7 37. Kf2 Kc6 38. Kf3 Kc5 39. Kf4 Kb4 40. Rd1 Kxa4 41. Rxd5 Kb4 42. Rd6 a4 43. Ra6 a3 44. e6 Kb3 45. Ke5 a2 46. Kd6 Rb7 47. e7 Rb8 48. Kd7 Rb7+ 49. Ke6 Rb8 50. Kf7 Rb7 51. Kf8 Rb8+ 52. e8Q Rxe8+ 53. Kxe8 Kb2 54. g4 a1Q 55. Rxa1 Kxa1 56. Kf7 1-0

[Event "ARG-ch U10 sf"]
[Site "Esperanza"]
[Date "2002.04.04"]
[Round "1"]
[White "Alonso, Arturo"]
[Black "Menendez, Fernando"]
[Result "1/2-1/2"]
[ECO "C77"]
[PlyCount "58"]
[EventDate "2002.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. Nc3 a6 6. Ba4 b5 7. Bb3 Be6 8. Bxe6 fxe6 9. d4 exd4 10. Nxd4 Nxd4 11. Qxd4 e5 12. Qd3 Be7 13. Nd5 Nxd5 14. Qxd5 Qd7 15. Qxa8+ Bd8 16. 0-0 0-0 17. Qd5+ Kh8 18. f4 c6 19. Qd3 Bf6 20. fxe5 Be7 21. exd6 Rxf1+ 22. Kxf1 Bh4 23. g3 Bd8 24. Qa3 Bb6 25. Qxa6 Qf7+ 26. Bf4 Qc4+ 27. Kg2 Qe2+ 28. Kh3 Qh5+ 29. Kg2 Qe2+ 1/2-1/2

[Event "ARG-ch U10 sf"]
[Site "Esperanza"]
[Date "2002.04.04"]
[Round "2"]
[White "Valussi, Emmanuel"]
[Black "Alonso, Arturo"]
[Result "1/2-1/2"]
[ECO "C77"]
[PlyCount "102"]
[EventDate "2002.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Bb4 6. d3 d5 7. 0-0 d4 8. Ne2 b5 9. Bb3 Bd6 10. Bd2 0-0 11. c3 dxc3 12. Nxc3 Be6 13. Bc2 Bb4 14. a3 Ba5 15. Be3 Qe7 16. d4 exd4 17. Nxd4 Nxd4 18. Qxd4 Rfd8 19. Qc5 Qxc5 20. Bxc5 Rd2 21. Rac1 Rad8 22. Rfd1 Rxd1+ 23. Rxd1 Rxd1+ 24. Nxd1 Bc4 25. b4 Bb6 26. Bxb6 cxb6 27. Ne3 Ba2 28. f3 a5 29. bxa5 bxa5 30. Nd1 b4 31. axb4 axb4 32. Kf2 Nd7 33. Ke2 Kf8 34. Kd2 Ke7 35. Kc1 Nc5 36. Kb2 b3 37. Bb1 Kd6 38. Nc3 Bxb1 39. Nxb1 Ke5 40. Kc3 Kf4 41. Kd2 b2 42. Ke2 h5 43. g3+ Ke5 44. Ke3 g5 45. f4+ gxf4+ 46. gxf4+ Kd6 47. Kd4 Nb3+ 48. Kc3 Nc1 49. Kxb2 Nd3+ 50. Kc3 Nxf4 51. Kd4 Ng2 1/2-1/2

