[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.31"]
[Round "9"]
[White "Gras, Carlos"]
[Black "Di Diego, Osvaldo"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "1994"]
[BlackElo "1885"]
[PlyCount "71"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 f5 5. cxd5 exd5 6. Nf3 Bd6 7. Qa4 Nf6 8. b4 Ne4 9. Nxe4 fxe4 10. Ne5 Qe7 11. Bd2 Bxe5 12. dxe5 Qxe5 13. Rc1 0-0 14. Bc3 Qf5 15. Qc2 Nd7 16. Qb2 Rf7 17. Bd4 Nf8 18. Rg1 Ne6 19. Bc3 Bd7 20. g4 Qg5 21. Be5 h5 22. h4 Qxh4 23. gxh5 d4 24. Bg3 Qxh5 25. Bf4 Nxf4 26. exf4 Be6 27. Qxd4 Bd5 28. Rc3 e3 29. Rxe3 Qf5 30. Bd3 Qh5 31. Bg6 Qh6 32. Bxf7+ Kxf7 33. Qe5 Be6 34. Qc7+ Kg8 35. Qd6 Re8 36. f5 1-0

[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.30"]
[Round "8"]
[White "Di Diego, Osvaldo"]
[Black "Lopez Rebert, Pablo"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1885"]
[BlackElo "2045"]
[PlyCount "41"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d3 e5 5. Nbd2 f5 6. c4 d4 7. Qa4 Bd7 8. Qb3 Nf6 9. 0-0 Bd6 10. Ng5 0-0 11. Nb1 Qe7 12. e4 dxe3 13. fxe3 f4 14. gxf4 exf4 15. exf4 Nd4 16. Qd1 Bg4 17. Nf3 Ne2+ 18. Kh1 Nxf4 19. Bxf4 Bxf4 20. Nc3 Rad8 21. Qc2 0-1

[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.29"]
[Round "7"]
[White "Madeo, Guillermo Oscar"]
[Black "Di Diego, Osvaldo"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1620"]
[BlackElo "1885"]
[PlyCount "57"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 c6 3. c4 e6 4. Nc3 dxc4 5. e4 b5 6. a3 Nf6 7. e5 Nd5 8. Be2 Nxc3 9. bxc3 Be7 10. 0-0 Bb7 11. Be3 Nd7 12. Qc1 h6 13. Nd2 c5 14. Bf3 Qc7 15. Bxb7 Qxb7 16. Nf3 cxd4 17. Bxd4 0-0 18. Qe3 Rfc8 19. Rfe1 Nc5 20. Bxc5 Bxc5 21. Qe4 Qxe4 22. Rxe4 Rd8 23. Nd4 Bxd4 24. cxd4 Rd5 25. Kf1 Rad8 26. Rd1 a5 27. Ke2 b4 28. axb4 axb4 29. Kd2 0-1

[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.28"]
[Round "6"]
[White "Di Diego, Osvaldo"]
[Black "Benedetti, Antonella"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "1885"]
[BlackElo "1995"]
[PlyCount "52"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 d6 5. c4 0-0 6. 0-0 Nc6 7. Nc3 e5 8. e4 Bg4 9. d5 Nd4 10. h3 Nxf3+ 11. Bxf3 Bxh3 12. Re1 Ne8 13. Kh2 Bd7 14. Rh1 f5 15. exf5 gxf5 16. Kg2 Nf6 17. Bg5 Be8 18. Bh5 Bxh5 19. Rxh5 Qe8 20. Rh3 Qg6 21. Qd2 f4 22. Bxf6 Rxf6 23. Re1 Raf8 24. Ne4 Rf5 25. Rd1 f3+ 26. Kh2 Rh5 0-1

[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.27"]
[Round "5"]
[White "Gomez Camacho, Lilen"]
[Black "Di Diego, Osvaldo"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "1542"]
[BlackElo "1885"]
[PlyCount "78"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. c4 e6 4. Qc2 f5 5. g3 Nf6 6. Bg2 Bd6 7. 0-0 Qe7 8. Nbd2 0-0 9. Ne1 Nbd7 10. Ndf3 Ne4 11. Nd3 Kh8 12. Bf4 Bxf4 13. Nxf4 e5 14. dxe5 dxc4 15. Qxc4 Nxe5 16. Qc2 Ng6 17. Nxg6+ hxg6 18. Nh4 Kh7 19. Rad1 g5 20. Nf3 Be6 21. a3 Bd5 22. Nd2 Rae8 23. Nxe4 Bxe4 24. Bxe4 Qxe4 25. Qxe4 Rxe4 26. Rd7 b5 27. e3 f4 28. exf4 gxf4 29. Rxa7 Re2 30. b4 fxg3 31. hxg3 Rf3 32. Rc1 Rfxf2 33. Rxc6 Rg2+ 34. Kf1 Ref2+ 35. Ke1 Ra2 36. Kf1 Rxg3 37. Rb7 Rf3+ 38. Ke1 Rh3 39. Rf7 Rh1+ 0-1

[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.24"]
[Round "3"]
[White "Di Diego, Osvaldo"]
[Black "Farias, Guillermo"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1885"]
[BlackElo "1975"]
[PlyCount "160"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 c5 4. d3 Bg7 5. e4 d6 6. e5 Ng4 7. exd6 Qxd6 8. 0-0 0-0 9. Nc3 Nc6 10. Ne4 Qc7 11. h3 Nge5 12. Nxc5 Nxf3+ 13. Bxf3 Ne5 14. Nb3 Nxf3+ 15. Qxf3 Qxc2 16. Re1 e5 17. Kh2 Bd7 18. Qe2 Qc7 19. Be3 b6 20. d4 Qd6 21. dxe5 Qxe5 22. Bd4 Qf5 23. Qf1 Bb5 24. Qg2 Rad8 25. Bxg7 Kxg7 26. Rad1 Qf6 27. f4 h5 28. Qf2 Bc4 29. Qc2 Be6 30. Qc3 Qxc3 31. bxc3 Rxd1 32. Rxd1 Rc8 33. Rd3 a5 34. Kg2 a4 35. Nc1 b5 36. a3 Kf6 37. h4 Bg4 38. Kf2 Bf5 39. Re3 Rd8 40. Ke1 Bc2 41. Ne2 Rd1+ 42. Kf2 Bd3 43. Nd4 Bc4 44. Re5 Rf1+ 45. Kg2 Rc1 46. Nxb5 Bxb5 47. Rxb5 Rxc3 48. Rb6+ Kg7 49. Rb2 Rxa3 50. Kf2 Ra1 51. Kf3 a3 52. Re2 a2 53. Ke3 Kf6 54. Ke4 Kg7 55. Ke5 Rg1 56. Rxa2 Rxg3 57. Rh2 Re3+ 58. Kd4 Re1 59. Kd3 Kf6 60. Kd2 Re4 61. Rf2 Kf5 62. Rg2 Rxf4 63. Rh2 Re4 64. Kd3 f6 65. Rh1 Re8 66. Rf1+ Ke6 67. Ke4 Ra8 68. Kf4 Ra4+ 69. Kg3 Ke5 70. Re1+ Re4 71. Ra1 Rg4+ 72. Kh3 f5 73. Ra5+ Kd4 74. Ra4+ Kc3 75. Ra3+ Kb2 76. Rf3 f4 77. Rd3 Kc2 78. Ra3 Kd2 79. Ra2+ Kd3 80. Ra3+ Ke4 0-1

[Event "Buenos Aires op CAA"]
[Site "Buenos Aires"]
[Date "2010.05.06"]
[Round "1"]
[White "Quiroga, Facundo"]
[Black "Di Diego, Osvaldo"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2326"]
[BlackElo "1954"]
[PlyCount "80"]
[EventDate "2010.05.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. Rb1 Ba6 9. Ne5 Nf6 10. Qf3 Bxc3 11. bxc3 Qd5 12. Nxc6 Nxc6 13. axb5 Bxb5 14. Qxd5 exd5 15. Rxb5 a4 16. Rb2 Ne4 17. f3 Nxd2 18. Kxd2 f5 19. e4 fxe4 20. fxe4 0-0 21. Ke3 Rfe8 22. e5 a3 23. Ra2 Reb8 24. Be2 Rb3 25. Kd2 Nxd4 26. cxd4 c3+ 27. Kc2 Rb2+ 28. Rxb2 cxb2 29. Bf3 Rc8+ 30. Kb1 Rd8 31. Ka2 Rc8 32. Rf1 g5 33. Bxd5+ Kg7 34. Rf7+ Kh6 35. Be4 g4 36. Kxa3 Rb8 37. Ka2 Rb4 38. Rd7 Kg5 39. g3 h5 40. Rg7+ Kh6 1-0

[Event "Mar del Plata op 39th"]
[Site "Mar del Plata"]
[Date "2008.03.19"]
[Round "6"]
[White "Daneri, Martin"]
[Black "Di Diego, Osvaldo"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2210"]
[BlackElo "2051"]
[PlyCount "89"]
[EventDate "2008.03.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. c3 Nf6 4. Bf4 Bf5 5. e3 e6 6. Nbd2 Qb6 7. Qb3 Nbd7 8. Be2 Be7 9. Ne5 Nxe5 10. Bxe5 0-0 11. 0-0 Qxb3 12. axb3 c5 13. dxc5 Bxc5 14. b4 Bb6 15. Nb3 Rfd8 16. Na5 Bxa5 17. Rxa5 Nd7 18. Bg3 a6 19. Rfa1 Rac8 20. b5 Nc5 21. bxa6 bxa6 22. Bxa6 Nxa6 23. Rxa6 f6 24. Bd6 Bd3 25. Rb6 Ra8 26. Rxa8 Rxa8 27. Ba3 Kf7 28. f3 Rd8 29. Rb7+ Kg6 30. g4 e5 31. Kf2 d4 32. exd4 exd4 33. cxd4 Rxd4 34. Bf8 f5 35. Rxg7+ Kf6 36. g5+ Ke6 37. Rxh7 f4 38. Re7+ Kf5 39. h4 Bc4 40. Re4 Rd2+ 41. Ke1 Rc2 42. Bd6 Ba6 43. Rxf4+ Ke6 44. Rf6+ Kd5 45. Bf4 1-0

[Event "Mar del Plata op 39th"]
[Site "Mar del Plata"]
[Date "2008.03.17"]
[Round "4"]
[White "Saralegui Cassan, Mario"]
[Black "Di Diego, Osvaldo"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2190"]
[BlackElo "2051"]
[PlyCount "75"]
[EventDate "2008.03.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be7 7. Qc2 0-0 8. e3 Ne4 9. Bxe7 Qxe7 10. Bd3 f5 11. 0-0 Nd7 12. Rae1 Kh8 13. Nd2 Nxd2 14. Qxd2 Nf6 15. f3 Bd7 16. Bb1 Rad8 17. Nd1 Qd6 18. Nf2 Bc8 19. Nd3 Nd7 20. b4 b6 21. Rc1 Ba6 22. Rfe1 Bxd3 23. Bxd3 c5 24. bxc5 bxc5 25. dxc5 Nxc5 26. Bf1 Nd7 27. Qd4 a5 28. Bb5 Rc8 29. a4 Nf6 30. Bd3 Qa3 31. Ra1 Qc5 32. Qxc5 Rxc5 33. Bxf5 Rd8 34. e4 g6 35. e5 gxf5 36. exf6 Rcc8 37. Re3 Rd6 38. Rd1 1-0

[Event "LNA Puma Cup"]
[Site "Argentina"]
[Date "2007.08.25"]
[Round "3"]
[White "Di Diego, Osvaldo"]
[Black "Campagnoni, Diego"]
[Result "0-1"]
[ECO "A89"]
[WhiteElo "2051"]
[BlackElo "2076"]
[PlyCount "112"]
[EventDate "2007.08.11"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 120 Extra"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.01"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. d4 0-0 6. Nc3 d6 7. 0-0 Nc6 8. d5 Na5 9. Nd2 c5 10. e4 fxe4 11. Ncxe4 Nxe4 12. Bxe4 Rb8 13. Rb1 Bh3 14. Bg2 Bf5 15. Be4 Bd7 16. a4 a6 17. b3 b5 18. axb5 axb5 19. Qc2 bxc4 20. bxc4 Rxb1 21. Qxb1 Bh3 22. Bg2 Bf5 23. Be4 Qb6 24. Bxf5 gxf5 25. Qd3 Qb4 26. Ba3 Qc3 27. Qxc3 Bxc3 28. Nb1 Bd4 29. Nd2 Bc3 30. Nb1 Bb4 31. Rc1 Rb8 32. Kg2 Kf7 33. f4 Bxa3 34. Nxa3 Rb3 35. Nb5 Nxc4 36. Rxc4 Rxb5 37. Rc2 e6 38. dxe6+ Kxe6 39. h3 Rb4 40. Rc3 c4 41. g4 Rb2+ 42. Kg1 d5 43. Re3+ Kd6 44. gxf5 Kc5 45. f6 Rb6 46. f7 Rf6 47. Re7 Rxf4 48. Kg2 h6 49. Kg3 Rf5 50. h4 c3 51. Kg2 Kc4 52. Rd7 c2 53. Rc7+ Kd3 54. Rc5 Rxf7 55. Rxd5+ Kc4 56. Rd8 Rc7 0-1

[Event "LNA Puma Cup"]
[Site "Argentina"]
[Date "2007.08.18"]
[Round "2"]
[White "Garcia, Ezequiel Alejandro"]
[Black "Di Diego, Osvaldo"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1983"]
[BlackElo "2051"]
[PlyCount "55"]
[EventDate "2007.08.11"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 120 Extra"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Bg4 4. Be2 Nf6 5. Nc3 Qa5 6. 0-0 e6 7. d4 c6 8. Ne5 Bxe2 9. Qxe2 Be7 10. Be3 0-0 11. f4 Nbd7 12. g4 Rad8 13. g5 Nd5 14. Nxd5 Qxd5 15. c4 Qa5 16. Rf3 Nxe5 17. fxe5 c5 18. Rh3 g6 19. Qf2 Kg7 20. d5 exd5 21. e6 fxe6 22. Bf4 Bd6 23. Qh4 Rh8 24. Bxd6 Rxd6 25. Qf4 Qd8 26. Qe5+ Kf7 27. Rf1+ Ke7 28. Qg7+ 1-0

[Event "Mar del Plata op 38th"]
[Site "Mar del Plata"]
[Date "2007.04.01"]
[Round "2"]
[White "Hungaski, Robert Andrew"]
[Black "Di Diego, Osvaldo"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2382"]
[BlackElo "2059"]
[PlyCount "49"]
[EventDate "2007.03.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bd2 c6 7. Bc4 e6 8. Nd5 Qd8 9. Nxf6+ gxf6 10. c3 Bd6 11. Qe2 Nd7 12. 0-0 Nb6 13. Bb3 Qc7 14. Nh4 Bg6 15. g3 0-0-0 16. a4 c5 17. a5 Nd5 18. dxc5 Bxc5 19. Bc4 Ne7 20. b4 Bd6 21. b5 Bc5 22. b6 axb6 23. axb6 Qe5 24. Bb5 Nc6 25. Bxc6 1-0

[Event "Mar del Plata op 37th"]
[Site "Mar del Plata"]
[Date "2006.04.08"]
[Round "1"]
[White "Di Diego, Osvaldo"]
[Black "Hungaski, Robert Andrew"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2057"]
[BlackElo "2400"]
[PlyCount "84"]
[EventDate "2006.04.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Nbd7 5. Nbd2 b6 6. 0-0 Bb7 7. b3 Bd6 8. Bb2 Ne4 9. c4 f5 10. Ne5 0-0 11. Nxd7 Qxd7 12. Nf3 Rad8 13. Ne5 Qe8 14. f4 dxc4 15. Bxc4 Bxe5 16. fxe5 Bd5 17. Bd3 Ng5 18. Qe1 Qh5 19. Qg3 Be4 20. Bc4 Bd5 21. Bd3 Nf7 22. Rae1 Qg5 23. Qxg5 Nxg5 24. Rc1 Rd7 25. h4 Ne4 26. Bxe4 Bxe4 27. Ba3 Ra8 28. Kf2 a5 29. Bb2 g6 30. Rc3 Kg7 31. g3 Kh6 32. Rfc1 Ra7 33. Rg1 Kh5 34. Bc1 Ra8 35. Bd2 c5 36. Rc4 Rad8 37. Bc3 Bd3 38. Ra4 Bb5 39. Ra3 Rc8 40. Bxa5 cxd4 41. Bxb6 Rc2+ 42. Ke1 dxe3 0-1

[Event "American Continental 02nd"]
[Site "Buenos Aires"]
[Date "2003.08.28"]
[Round "10"]
[White "Estay Torreblanca, Oscar"]
[Black "Di Diego, Osvaldo"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2231"]
[BlackElo "2061"]
[PlyCount "72"]
[EventDate "2003.08.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 097"]
[Source "ChessBase"]
[SourceDate "2003.11.11"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.11"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Bc4 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. d4 e6 9. 0-0 Nbd7 10. Bf4 Be7 11. Rfe1 0-0 12. Rad1 Rfe8 13. a3 Nd5 14. Bd2 Qc7 15. Ne4 N7f6 16. Ng3 Rad8 17. Bd3 Bd6 18. c4 Nf4 19. Bb1 Ng6 20. Bg5 Be7 21. h4 Nf8 22. b4 a5 23. Bf4 Bd6 24. Bg5 Be7 25. h5 h6 26. Bf4 Qd7 27. bxa5 Ra8 28. Bd2 Qxd4 29. Ne4 Qb2 30. Nxf6+ Qxf6 31. Qb3 Rab8 32. Bc3 Qh4 33. Be5 Rbd8 34. Rxd8 Rxd8 35. Qc3 Bf6 36. Bxf6 Qxf6 1/2-1/2

[Event "American Continental 02nd"]
[Site "Buenos Aires"]
[Date "2003.08.27"]
[Round "9"]
[White "Di Diego, Osvaldo"]
[Black "Iregui, Victor"]
[Result "1/2-1/2"]
[ECO "A89"]
[WhiteElo "2061"]
[BlackElo "2151"]
[PlyCount "101"]
[EventDate "2003.08.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 097"]
[Source "ChessBase"]
[SourceDate "2003.11.11"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.11"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. 0-0 0-0 6. d4 d6 7. Nc3 Nc6 8. Qc2 e5 9. dxe5 dxe5 10. Rd1 Bd7 11. e4 f4 12. gxf4 Nh5 13. Bh3 Nd4 14. Nxd4 exd4 15. Bxd7 Qxd7 16. Ne2 Qg4+ 17. Kh1 Qf3+ 18. Kg1 Rae8 19. Ng3 Nxg3 20. hxg3 Rxe4 21. Qb3 Qxb3 22. axb3 a6 23. Bd2 Rfe8 24. Kf1 Kf7 25. Re1 c5 26. f3 Rxe1+ 27. Rxe1 Rxe1+ 28. Kxe1 b5 29. Ke2 bxc4 30. bxc4 d3+ 31. Kxd3 Bxb2 32. Kc2 Bf6 33. Kd3 h5 34. Be1 Ke6 35. Ke4 Bd8 36. Bf2 Bb6 37. g4 a5 38. f5+ gxf5+ 39. gxf5+ Kf7 40. Bh4 a4 41. Kd3 Ba5 42. Kc2 Bb4 43. Kb2 Kg7 44. Bg5 Kf7 45. Bh4 Ke8 46. Bg5 Kf7 47. Bh4 a3+ 48. Kb3 a2 49. Kxa2 Bc3 50. Bf2 Bd4 51. Bxd4 1/2-1/2

[Event "American Continental 02nd"]
[Site "Buenos Aires"]
[Date "2003.08.26"]
[Round "8"]
[White "Varela, Daniel"]
[Black "Di Diego, Osvaldo"]
[Result "1-0"]
[ECO "A94"]
[WhiteElo "2164"]
[BlackElo "2061"]
[PlyCount "71"]
[EventDate "2003.08.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 097"]
[Source "ChessBase"]
[SourceDate "2003.11.11"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.11"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 d5 5. 0-0 Bd6 6. b3 0-0 7. c4 c6 8. Ba3 Bxa3 9. Nxa3 Bd7 10. Nc2 Be8 11. Nce1 Nbd7 12. cxd5 cxd5 13. Nd3 Bh5 14. b4 b6 15. Rc1 Rc8 16. Qa4 Rc7 17. Rxc7 Qxc7 18. Rc1 Qb8 19. Qc6 Bf7 20. Nfe5 Rd8 21. f3 g6 22. b5 Nxe5 23. Nxe5 Ne8 24. Qc2 Qb7 25. Nc6 Rd7 26. e3 Nd6 27. Bf1 Kg7 28. Bd3 Nc8 29. Ne5 Rd8 30. Qc7 Qxc7 31. Rxc7 Rf8 32. Nc6 Kf6 33. a4 h5 34. a5 Kg7 35. f4 Kg8 36. Ne7+ 1-0

[Event "American Continental 02nd"]
[Site "Buenos Aires"]
[Date "2003.08.25"]
[Round "7"]
[White "Urchipia, Carlos Daniel"]
[Black "Di Diego, Osvaldo"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2173"]
[BlackElo "2061"]
[PlyCount "101"]
[EventDate "2003.08.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 097"]
[Source "ChessBase"]
[SourceDate "2003.11.11"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.11"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 c5 5. 0-0 e6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 Nc6 9. Qf4 d6 10. Rd1 a6 11. b3 Qc7 12. Ba3 Rd8 13. Rac1 Qb8 14. e4 0-0 15. Bb2 h6 16. Rc2 Ba8 17. Rcd2 b5 18. cxb5 axb5 19. Bf1 b4 20. Na4 e5 21. Qe3 Na7 22. Bd3 Bc6 23. Rc2 Qb7 24. Nd2 Bxa4 25. bxa4 Rc8 26. Rdc1 Nd7 27. Rxc8 Rxc8 28. Rxc8+ Nxc8 29. Nb3 Bg5 30. Qe1 Bd8 31. Bb5 Nc5 32. Nxc5 dxc5 33. Bxe5 Qe7 34. Bf4 Nd6 35. Bc6 Ba5 36. Qe2 c4 37. e5 c3 38. Qa6 Bc7 39. exd6 Bxd6 40. Qa8+ Kh7 41. Be4+ g6 42. Be3 Bc5 43. Qc6 Bxe3 44. fxe3 f5 45. Bd5 Qxe3+ 46. Kg2 Qe2+ 47. Kh3 Qh5+ 48. Kg2 Qe2+ 49. Kg1 Qe1+ 50. Kg2 Qe2+ 51. Kg1 1/2-1/2

[Event "American Continental 02nd"]
[Site "Buenos Aires"]
[Date "2003.08.23"]
[Round "6"]
[White "Di Diego, Osvaldo"]
[Black "Ustariz, Carlos"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2061"]
[BlackElo "2130"]
[PlyCount "80"]
[EventDate "2003.08.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 097"]
[Source "ChessBase"]
[SourceDate "2003.11.11"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.11"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. e3 c5 4. Nbd2 Nc6 5. b3 cxd4 6. exd4 Nf6 7. a3 Bd6 8. Bb2 0-0 9. Bd3 Qc7 10. 0-0 b6 11. Re1 a5 12. Rc1 Ba6 13. c4 dxc4 14. bxc4 Rfd8 15. Bb1 Rac8 16. d5 Ne7 17. Bxf6 gxf6 18. dxe6 Bxa3 19. Rc3 Bb5 20. exf7+ Kxf7 21. Rce3 Bxc4 22. Qc2 Ng6 23. Nxc4 Kf8 24. Rc1 Qxc4 25. g3 Qxc2 26. Rxc2 Rd1+ 27. Kg2 Bc5 28. Re1 Rxe1 29. Nxe1 Rd8 30. Re2 Rd1 31. Bc2 Rd7 32. Nd3 Bd4 33. h4 Ne5 34. Nf4 h6 35. Rd2 Ke7 36. Bb3 Ng4 37. Nd5+ Rxd5 38. Bxd5 Bc5 39. Bc6 Ne5 40. Bb5 Bb4 1-0

[Event "American Continental 02nd"]
[Site "Buenos Aires"]
[Date "2003.08.22"]
[Round "5"]
[White "Di Diego, Osvaldo"]
[Black "Benko, Francisco"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2061"]
[BlackElo "2142"]
[PlyCount "120"]
[EventDate "2003.08.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 097"]
[Source "ChessBase"]
[SourceDate "2003.11.11"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.11"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 e6 4. Bd3 c5 5. b3 Nc6 6. a3 Ne4 7. 0-0 Bd6 8. Bb2 0-0 9. Nbd2 f5 10. Ne5 cxd4 11. exd4 Qb6 12. Ndf3 Qd8 13. Nxc6 bxc6 14. Ne5 Bd7 15. Bxe4 fxe4 16. f3 exf3 17. Rxf3 Bxe5 18. dxe5 Qb6+ 19. Bd4 c5 20. Bf2 Qc7 21. Rxf8+ Rxf8 22. Qe2 Rc8 23. Bh4 Be8 24. Rf1 Bg6 25. Bg3 c4 26. Bf2 a5 27. b4 axb4 28. axb4 Be4 29. Bc5 h6 30. Bd6 Qa7+ 31. Qf2 Qxf2+ 32. Rxf2 Ra8 33. b5 Ra1+ 34. Rf1 Ra2 35. b6 Rb2 36. Bc5 Bxc2 37. Rf2 Rb1+ 38. Rf1 Rb3 39. Rf8+ Kh7 40. Rf7 d4 41. Bxd4 Be4 42. Rc7 Bd5 43. h4 h5 44. Kf2 Kg6 45. g3 Rf3+ 46. Ke2 Rb3 47. Kf2 Kf5 48. b7 Ke4 49. Ba7 Rxb7 50. Rxb7 Bxb7 51. Ke2 c3 52. Kd1 Kf3 53. Bb6 Kxg3 54. Bd8 Be4 55. Ke2 Kf4 56. Bc7 c2 57. Kd2 g5 58. hxg5 h4 59. g6 Bxg6 60. Bb6 Kf3 0-1

[Event "American Continental 02nd"]
[Site "Buenos Aires"]
[Date "2003.08.21"]
[Round "4"]
[White "Santos Neto, Francisco Jose"]
[Black "Di Diego, Osvaldo"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2193"]
[BlackElo "2061"]
[PlyCount "23"]
[EventDate "2003.08.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 097"]
[Source "ChessBase"]
[SourceDate "2003.11.11"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.11"]
[SourceQuality "1"]

1. Nf3 f5 2. e4 fxe4 3. Ng5 Nf6 4. d3 exd3 5. Bxd3 d6 6. Nxh7 Be6 7. Bg6+ Kd7 8. Ng5 Bg8 9. Qf3 c6 10. Nc3 Kc7 11. Bf7 Qd7 12. Ne6+ 1-0

[Event "American Continental 02nd"]
[Site "Buenos Aires"]
[Date "2003.08.19"]
[Round "3"]
[White "Di Diego, Osvaldo"]
[Black "Ferrara, Alexis"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2061"]
[BlackElo "2210"]
[PlyCount "48"]
[EventDate "2003.08.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 097"]
[Source "ChessBase"]
[SourceDate "2003.11.11"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.11"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. d3 Bg7 5. e4 e5 6. c3 Nge7 7. Be3 d6 8. 0-0 0-0 9. d4 cxd4 10. cxd4 Bg4 11. dxe5 dxe5 12. h3 Be6 13. Nc3 Nd4 14. Re1 Nec6 15. Ng5 Bd7 16. Rc1 h6 17. Nf3 Kh7 18. Nd5 Be6 19. Nd2 f5 20. Nc3 f4 21. Bxd4 Nxd4 22. Kh2 fxg3+ 23. fxg3 Rf2 24. Rf1 Rxd2 0-1

[Event "American Continental 02nd"]
[Site "Buenos Aires"]
[Date "2003.08.18"]
[Round "2"]
[White "Lafuente, Pablo"]
[Black "Di Diego, Osvaldo"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2431"]
[BlackElo "2061"]
[PlyCount "79"]
[EventDate "2003.08.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 097"]
[Source "ChessBase"]
[SourceDate "2003.11.11"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.11"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Nh5 10. Re1 f5 11. Ng5 Nf6 12. Bf3 a5 13. bxa5 fxe4 14. Ncxe4 Rxa5 15. Bd2 Ra8 16. Ne6 Bxe6 17. dxe6 Nc6 18. Bc3 Kh8 19. Qb3 Rb8 20. Rab1 Nxe4 21. Bxe4 Nd4 22. Bxd4 exd4 23. Bxg6 Qf6 24. e7 Qxf2+ 25. Kh1 hxg6 26. exf8Q+ Qxf8 27. Qh3+ Kg8 28. Qe6+ Qf7 29. Rxb7 Rxb7 30. Qc8+ Kh7 31. Qxb7 Qxc4 32. Qf3 Qc3 33. Qxc3 dxc3 34. a4 Bd4 35. a5 Kh6 36. a6 d5 37. Rc1 Bb6 38. Rxc3 c5 39. Rb3 Ba7 40. Rb7 1-0

[Event "American Continental 02nd"]
[Site "Buenos Aires"]
[Date "2003.08.17"]
[Round "1"]
[White "Di Diego, Osvaldo"]
[Black "Malbran, Guillermo"]
[Result "1/2-1/2"]
[ECO "A53"]
[WhiteElo "2061"]
[BlackElo "2345"]
[PlyCount "90"]
[EventDate "2003.08.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 097"]
[Source "ChessBase"]
[SourceDate "2003.11.11"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.11"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Bg4 3. Nbd2 Nf6 4. c4 c6 5. Qb3 Qb6 6. e3 Nbd7 7. Bd3 e5 8. Qxb6 axb6 9. dxe5 dxe5 10. Ne4 Nxe4 11. Bxe4 Bb4+ 12. Bd2 Bxd2+ 13. Nxd2 Ke7 14. Bc2 Nc5 15. f3 Be6 16. b3 b5 17. cxb5 cxb5 18. Ke2 Rhc8 19. Rhc1 f5 20. h3 h5 21. e4 f4 22. Bd3 Nxd3 23. Rxc8 Rxc8 24. Kxd3 b4 25. Nc4 b5 26. Nxe5 Kf6 27. Kd4 Rd8+ 28. Kc5 Kxe5 29. Kxb4 Rd2 30. Kxb5 Rxg2 31. a4 Bxb3 32. a5 Be6 33. a6 Rb2+ 34. Kc5 Rb8 35. a7 Rc8+ 36. Kb6 Bxh3 37. a8Q Rxa8 38. Rxa8 Bg2 39. Ra5+ Ke6 40. Rxh5 Bxf3 41. Rg5 Bxe4 42. Rxg7 f3 43. Rg1 Bd3 44. Rg3 Be2 45. Rxf3 Bxf3 1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "2002.03.24"]
[Round "2"]
[White "Roca, Alfredo Cristian"]
[Black "Di Diego, Osvaldo"]
[Result "1-0"]
[ECO "D47"]
[WhiteElo "2379"]
[BlackElo "2153"]
[PlyCount "53"]
[EventDate "2002.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 087 Extra"]
[Source "ChessBase"]
[SourceDate "2002.05.03"]
[SourceVersion "2"]
[SourceVersionDate "2002.08.09"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 b4 9. Ne4 Nxe4 10. Bxe4 Bb7 11. 0-0 Be7 12. Qc2 Rc8 13. Rd1 Nf6 14. Bd3 Qb6 15. Ne5 0-0 16. Nc4 Qc7 17. e4 h6 18. e5 Nd5 19. Qe2 f5 20. exf6 Rxf6 21. Qe4 Bf8 22. Ne5 g5 23. Ng4 Qf7 24. Nxf6+ Nxf6 25. Qe2 c5 26. Be3 Bd5 27. dxc5 1-0

[Event "Club Argentino-Torre Blanca m"]
[Site "Buenos Aires"]
[Date "2001.12.27"]
[Round "1.23"]
[White "Di Diego, Osvaldo"]
[Black "Alvarez Castillo, Hector Adrian"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2153"]
[BlackElo "2215"]
[PlyCount "56"]
[EventDate "2001.12.27"]
[EventType "team-match"]
[EventRounds "1"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 b5 2. a4 b4 3. c4 a5 4. Nf3 Bb7 5. Nbd2 Nf6 6. e3 g6 7. Bd3 Bg7 8. 0-0 0-0 9. e4 d6 10. Qe2 Nc6 11. d5 Nb8 12. e5 dxe5 13. Nxe5 Qd6 14. Ndf3 Nbd7 15. Re1 Rfe8 16. Nxd7 Nxd7 17. Be3 Nc5 18. Rad1 Nxa4 19. Bd4 e5 20. dxe6 Rxe6 21. Be5 Bxe5 22. Nxe5 Rae8 23. Qc2 Rxe5 24. Rxe5 Rxe5 25. f4 Qd4+ 26. Kh1 Qxf4 27. Qxa4 Bxg2+ 28. Kg1 Qe3+ 0-1

[Event "Buenos Aires m"]
[Site "Buenos Aires"]
[Date "2000.12.28"]
[Round "2.29"]
[White "Badano, Aldo"]
[Black "Di Diego, Osvaldo"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "54"]
[EventDate "2000.12.27"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Nd2 Nbd7 4. f4 e6 5. Bd3 Bd6 6. Ngf3 c5 7. c3 b6 8. 0-0 cxd4 9. cxd4 Bb7 10. Ne5 0-0 11. Qf3 Rc8 12. g4 g6 13. Nxd7 Nxd7 14. g5 f6 15. h4 e5 16. Qh3 e4 17. Bxe4 Bb4 18. Qe6+ Kg7 19. Bxd5 Bxd5 20. Qxd5 Rxc1 21. Nf3 Rxa1 22. Rxa1 Qc7 23. Qb3 Bd6 24. gxf6+ Nxf6 25. Ng5 Qd7 26. Ne6+ Kh6 27. Qd5 Nxd5 0-1

[Event "Buenos Aires m"]
[Site "Buenos Aires"]
[Date "2000.12.26"]
[Round "1.26"]
[White "Le Fort, Gaston"]
[Black "Di Diego, Osvaldo"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "91"]
[EventDate "2000.12.27"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 h6 7. Nf4 Bh7 8. Bd3 Bxd3 9. Qxd3 Nd7 10. Be3 Qa5 11. 0-0 Ne7 12. a3 c5 13. b4 cxb4 14. Nb5 Nc6 15. axb4 Qb6 16. c3 Be7 17. h3 0-0 18. Nh5 a5 19. bxa5 Rxa5 20. Rab1 Qa6 21. Rfd1 b6 22. f4 Na7 23. Nxa7 Qxd3 24. Rxd3 Rxa7 25. Rb2 g6 26. Ng3 Bh4 27. Ne2 f5 28. Bf2 Be7 29. Rg3 Bh4 30. Rg2 Bxf2+ 31. Kxf2 fxg4 32. hxg4 g5 33. Ke3 Ra3 34. Rf2 gxf4+ 35. Rxf4 Rxf4 36. Kxf4 Ra1 37. Ng3 Kf7 38. g5 hxg5+ 39. Kxg5 Rc1 40. Rb3 Rg1 41. Kf4 Ra1 42. Ke3 Kg6 43. Rb2 Ra3 44. Kd3 Kg5 45. Rh2 Nf8 46. Rh8 1-0

[Event "Mar del Plata op 30th"]
[Site "Mar del Plata"]
[Date "1999.03.27"]
[Round "1"]
[White "Di Diego, Osvaldo"]
[Black "Needleman, Alejandro"]
[Result "0-1"]
[ECO "A57"]
[BlackElo "2359"]
[PlyCount "60"]
[EventDate "1999.03.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. d5 b5 5. cxb5 a6 6. b6 Qxb6 7. Nc3 Bg7 8. e4 0-0 9. Be2 d6 10. 0-0 a5 11. h3 Nfd7 12. Re1 Ba6 13. Qc2 Bxe2 14. Rxe2 Na6 15. Bf4 Nb4 16. Qd2 Qa6 17. Rd1 c4 18. e5 Nd3 19. exd6 Nxf4 20. Qxf4 exd6 21. Ne4 Ne5 22. Nf6+ Kh8 23. Ng5 h6 24. Nge4 Rab8 25. Ng4 f5 26. Nxh6 fxe4 27. Qh4 Bf6 28. Nf7+ Kg7 29. Ng5 Bxg5 30. Qxg5 c3 0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1998.04.04"]
[Round "1"]
[White "Leskovar, Matias"]
[Black "Di Diego, Osvaldo"]
[Result "1/2-1/2"]
[ECO "B12"]
[PlyCount "36"]
[EventDate "1998.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 063 Extra"]
[Source "ChessBase"]
[SourceDate "1998.04.29"]
[SourceVersion "1"]
[SourceVersionDate "1998.04.29"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. Bb5 e6 6. b4 a5 7. c3 Bd7 8. Bxc6 Bxc6 9. Qd4 Ne7 10. Bg5 axb4 11. cxb4 Nf5 12. Qd2 Qc7 13. Nf3 b6 14. g4 d4 15. gxf5 Bxf3 16. 0-0 Qxe5 17. Qf4 Qxf4 18. Bxf4 bxc5 1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1992.??.??"]
[Round "4"]
[White "Cativelli, Gerardo"]
[Black "Di Diego, Osvaldo"]
[Result "1-0"]
[ECO "B39"]
[WhiteElo "2225"]
[PlyCount "45"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Rc1 d6 11. Be2 0-0 12. 0-0 Kh8 13. Qd2 Bd7 14. b4 a5 15. a3 axb4 16. axb4 Bc6 17. Nd5 Bxd5 18. cxd5 Nc7 19. Bb6 Rc8 20. Qc2 e5 21. Bxc7 Qd7 22. b5 b6 23. Qc6 1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1992.??.??"]
[Round "9"]
[White "Di Diego, Osvaldo"]
[Black "Goldschmidt, Bernardo"]
[Result "1/2-1/2"]
[ECO "D31"]
[BlackElo "2210"]
[PlyCount "77"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 c6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Be2 Bb7 8. 0-0 a6 9. Ne5 Nf6 10. Bf3 Qc7 11. axb5 axb5 12. Nxb5 cxb5 13. Rxa8 Bxa8 14. Bxa8 0-0 15. Bd2 Bxd2 16. Qxd2 Nbd7 17. Nxd7 Rxa8 18. Nxf6+ gxf6 19. g3 Qd6 20. Qc2 Qd5 21. Qe2 Ra2 22. Rd1 f5 23. Rc1 Qa8 24. f3 Ra1 25. Rxa1 Qxa1+ 26. Kg2 Qa2 27. Qd2 Qb3 28. e4 fxe4 29. fxe4 Kf8 30. d5 exd5 31. exd5 Ke8 32. Qd4 Qc2+ 33. Kf3 Qf5+ 34. Ke3 f6 35. Qc5 Qe5+ 36. Kf3 Qf5+ 37. Kg2 Qc2+ 38. Kh3 Qf5+ 39. Kg2 1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1992.??.??"]
[Round "1"]
[White "Di Diego, Osvaldo"]
[Black "Langier, Daniel"]
[Result "0-1"]
[ECO "A99"]
[BlackElo "2300"]
[PlyCount "78"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. Nf3 d6 6. 0-0 0-0 7. b3 Qe8 8. Nc3 a5 9. Qd3 Qg6 10. d5 e5 11. Nh4 Qh5 12. Qf3 e4 13. Qxh5 Nxh5 14. f4 exf3 15. Bxf3 Bxh4 16. Bxh5 Bf6 17. Bd2 Na6 18. Rab1 Bd7 19. a3 Nc5 20. b4 axb4 21. axb4 Ne4 22. Nxe4 fxe4 23. e3 Ra2 24. Rf2 g6 25. Bd1 Bg5 26. Rxf8+ Kxf8 27. Bc1 Bh3 28. Bb2 Bxe3+ 29. Kh1 Bf2 30. Bb3 Ra8 31. Rc1 e3 32. Bd4 Ra3 33. Bc2 Ra2 34. c5 Ke7 35. cxd6+ Kxd6 36. b5 b6 37. Bd1 e2 38. Bb3 Bxd4 39. Bxa2 Bc3 0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1992.??.??"]
[Round "3"]
[White "Di Diego, Osvaldo"]
[Black "Mondaca, Omar"]
[Result "1-0"]
[ECO "E69"]
[PlyCount "81"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. e4 Nbd7 7. Nge2 c6 8. 0-0 e5 9. h3 exd4 10. Nxd4 a5 11. Be3 Re8 12. Qc2 Nc5 13. Rad1 Qe7 14. Rfe1 Bd7 15. Bg5 h6 16. Bf4 Nh5 17. Be3 Rad8 18. Nde2 Bc8 19. Nf4 Nf6 20. Bd4 Qf8 21. Bxc5 dxc5 22. Rxd8 Rxd8 23. e5 Qe7 24. Re2 Nd7 25. e6 Nf8 26. exf7+ Qxf7 27. Be4 g5 28. Ng6 Bxh3 29. Ne7+ Kh8 30. Nf5 Ne6 31. Nxg7 Kxg7 32. Re3 Nd4 33. Qb1 Qxc4 34. Bh1 Bf5 35. Qe1 Rd7 36. Re8 Qf7 37. Qe5+ Kg6 38. Be4 Bxe4 39. Qxe4+ Nf5 40. g4 Kg7 41. gxf5 1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1991.??.??"]
[Round "?"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Di Diego, Osvaldo"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2450"]
[PlyCount "75"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. g3 Nc6 4. Bg2 g6 5. 0-0 Bg7 6. c3 e5 7. d3 Nge7 8. Be3 d6 9. d4 cxd4 10. cxd4 0-0 11. d5 Nb8 12. a4 b6 13. Na3 b5 14. axb5 axb5 15. Qb3 Ba6 16. Nxb5 Nd7 17. Rfc1 Qb8 18. Bf1 f5 19. Rc7 Bxb5 20. Rxa8 Qxc7 21. Rxf8+ Bxf8 22. Qxb5 fxe4 23. Ng5 Nf6 24. Bc4 Nf5 25. Bb6 Qe7 26. Ne6 Qd7 27. Qxd7 Nxd7 28. Bc7 Be7 29. b4 Nd4 30. b5 Nf3+ 31. Kg2 Nd2 32. Ba2 e3 33. fxe3 Ne4 34. b6 Nec5 35. Bc4 Kf7 36. Bb5 Nxe6 37. dxe6+ Kxe6 38. b7 1-0

