[Event "Buenos Aires op"]
[Site "Buenos Aires"]
[Date "1995.??.??"]
[Round "9"]
[White "Beltramini, Jose Maria"]
[Black "Di Tomaso, Osvaldo A"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2250"]
[PlyCount "77"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 a6 5. Bg2 cxd4 6. Nxd4 Nc6 7. 0-0 Be7 8. Nc3 0-0 9. e4 Ne5 10. b3 d6 11. h3 Qc7 12. Be3 Bd7 13. Rc1 Nc6 14. Nd5 exd5 15. cxd5 Qa5 16. dxc6 bxc6 17. Nxc6 Bxc6 18. Rxc6 Qxa2 19. Rc2 Qa5 20. e5 dxe5 21. Bxa8 Rxa8 22. Qe2 h6 23. Rfc1 Qd5 24. Qc4 Rd8 25. Qxd5 Rxd5 26. Rc8+ Kh7 27. R8c7 Ba3 28. Ra1 Bb2 29. Rxa6 Rd1+ 30. Kg2 Nd5 31. Rxf7 e4 32. Bxh6 Kg8 33. Rb7 Bd4 34. Bxg7 Bxg7 35. Rg6 e3 36. Rgxg7+ Kf8 37. fxe3 Nxe3+ 38. Kf3 Nd5 39. Rh7 1-0

[Event "Buenos Aires IVESS op"]
[Site "Buenos Aires"]
[Date "1995.??.??"]
[Round "4"]
[White "Bustos, Cristian"]
[Black "Di Tomaso, Osvaldo A"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2275"]
[BlackElo "2165"]
[PlyCount "69"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Nf6 7. Bd3 b5 8. a3 Bb7 9. 0-0 Nc6 10. Nxc6 Qxc6 11. Qe2 Be7 12. f3 d6 13. Nxb5 0-0 14. Nc3 Rab8 15. Kh1 Nd7 16. Bd4 Rfc8 17. Rfd1 Nc5 18. Qf2 Ba8 19. Qg3 Bf8 20. Bxc5 dxc5 21. e5 c4 22. Be4 Qb6 23. Rab1 Rd8 24. Qf4 Rxd1+ 25. Nxd1 Bxe4 26. Qxe4 Qc7 27. Nc3 g6 28. h4 Qc5 29. Qe2 Qd4 30. g3 Qc5 31. f4 h6 32. Kh2 Qc6 33. h5 Be7 34. hxg6 fxg6 35. Ne4 1/2-1/2

[Event "Buenos Aires op"]
[Site "Buenos Aires"]
[Date "1995.??.??"]
[Round "6"]
[White "Di Tomaso, Osvaldo A"]
[Black "Fama, Ariel"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "115"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 Nf6 5. d3 Be7 6. h3 d5 7. exd5 exd5 8. Nge2 0-0 9. d4 c4 10. 0-0 Be6 11. Nf4 Bb4 12. Nxe6 fxe6 13. Ne2 Qd7 14. c3 Bd6 15. Nf4 Rad8 16. h4 Qf7 17. Bh3 Rde8 18. Be3 b5 19. b4 Ne4 20. Qc2 e5 21. Ne2 Qf3 22. Bg2 Qf5 23. Bxe4 dxe4 24. Kh2 exd4 25. Bxd4 Qg4 26. Kg2 Be7 27. Bc5 Bxc5 28. bxc5 Rf5 29. Nd4 Rxc5 30. Nxc6 Rxc6 31. a4 Rh6 32. Qd1 Qxd1 33. Rfxd1 a6 34. axb5 axb5 35. Ra7 Rg6 36. Rdd7 Rb8 37. Re7 Rg4 38. Rab7 Rxb7 39. Rxb7 e3 40. fxe3 Re4 41. Kf3 Re5 42. e4 h6 43. Kf4 Rc5 44. g4 g6 45. Ke3 Rc8 46. Rxb5 Kf7 47. Kd4 Kf6 48. Rb6+ Kg7 49. Rb7+ Kg8 50. Ke5 Re8+ 51. Kd4 Rf8 52. Ke5 Rf3 53. g5 h5 54. Rc7 Rxc3 55. Kf6 Rf3+ 56. Kxg6 c3 57. Rc8+ Rf8 58. Rxc3 1-0

[Event "Buenos Aires op"]
[Site "Buenos Aires"]
[Date "1995.??.??"]
[Round "2"]
[White "Di Tomaso, Osvaldo A"]
[Black "Rodriguez, Adolfo Ivan"]
[Result "0-1"]
[ECO "B26"]
[BlackElo "2260"]
[PlyCount "70"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 e6 6. d3 Nge7 7. Be3 Nd4 8. 0-0 0-0 9. Qd2 d6 10. Rab1 Rb8 11. a3 b6 12. f4 Bb7 13. b4 f5 14. h3 Qd7 15. g4 Rbc8 16. b5 e5 17. gxf5 gxf5 18. Ng3 Ng6 19. Nxf5 Nxf5 20. exf5 Nh4 21. Nd5 Rxf5 22. c4 Kh8 23. Kh1 Rh5 24. f5 Nxf5 25. Kh2 Rg8 26. Rf3 e4 27. dxe4 Nh4 28. Rg3 Bxd5 29. exd5 Be5 30. Bf4 Rxg3 31. Bxg3 Nf3+ 32. Bxf3 Qxh3+ 33. Kg1 Qxg3+ 34. Qg2 Bd4+ 35. Kf1 Rh1+ 0-1

[Event "Buenos Aires op"]
[Site "Buenos Aires"]
[Date "1995.??.??"]
[Round "4"]
[White "Di Tomaso, Osvaldo A"]
[Black "Schweber, Samuel"]
[Result "1/2-1/2"]
[ECO "A43"]
[BlackElo "2345"]
[PlyCount "116"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. d5 Nf6 4. Nc3 d6 5. dxe6 fxe6 6. Nf3 Nc6 7. e5 dxe5 8. Qxd8+ Kxd8 9. Bg5 a6 10. 0-0-0+ Kc7 11. Bd3 Nd5 12. Bd2 Be7 13. Rhe1 Bf6 14. Be4 Nxc3 15. Bxc3 Bd7 16. Bxc6 Bxc6 17. Bxe5+ Bxe5 18. Nxe5 Rae8 19. f3 Re7 20. Re3 Bb5 21. Rc3 Kb6 22. Rd6+ Kc7 23. Rd2 Kb6 24. b3 Rc8 25. a4 Bc6 26. Nc4+ Kc7 27. a5 Rf8 28. Ne5 Bd5 29. Rxc5+ Kd6 30. Nd3 Rc7 31. Rxc7 Kxc7 32. Nb4 Bc6 33. Re2 Kd6 34. c4 Rf5 35. Nxc6 bxc6 36. b4 h5 37. Kc2 g5 38. Kc3 g4 39. Re3 gxf3 40. Rxf3 Rg5 41. g3 Re5 42. Rd3+ Kc7 43. Kd4 Rg5 44. Rf3 Kd6 45. Ke4 Re5+ 46. Kd3 Re1 47. Re3 Ra1 48. Kd4 Ra2 49. h3 Rh2 50. h4 Rb2 51. Kc3 Rg2 52. Kd4 Rg1 53. Rd3 Rb1 54. Kc3+ Kc7 55. Rd2 Rg1 56. Rd3 Rb1 57. Rd2 Rg1 58. Rd3 Rb1 1/2-1/2

[Event "Buenos Aires op"]
[Site "Buenos Aires"]
[Date "1995.??.??"]
[Round "5"]
[White "Garcia, Raimundo"]
[Black "Di Tomaso, Osvaldo A"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2385"]
[PlyCount "105"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. e3 Bg7 6. Bd3 0-0 7. 0-0 Nbd7 8. Qe2 Re8 9. Rd1 Qc7 10. cxd5 Nxd5 11. Bc4 N7b6 12. Bb3 Bg4 13. h3 Bxf3 14. Qxf3 e6 15. e4 Nxc3 16. bxc3 Rad8 17. Bg5 Rd7 18. a4 a5 19. Rab1 h6 20. Bf4 Qd8 21. Be3 Nc8 22. Bc2 Nd6 23. Qe2 Qh4 24. Kh2 f5 25. g3 Qd8 26. e5 Nf7 27. f4 h5 28. Bb3 Qc7 29. Bc4 Bf8 30. Qb2 Nd8 31. Qb6 Kg7 32. Kg2 Kh7 33. Kf3 Qxb6 34. Rxb6 c5 35. d5 exd5 36. Rxd5 Rxd5 37. Bxd5 g5 38. Bc4 g4+ 39. hxg4 hxg4+ 40. Ke2 Be7 41. Bd3 Rf8 42. Kd2 Kg7 43. Kc2 c4 44. Bxc4 Rh8 45. Bd3 Rh3 46. Bxf5 Rxg3 47. Rg6+ Kf7 48. Bd4 Nc6 49. Rxg4 Nxd4+ 50. cxd4 Ra3 51. d5 Ra2+ 52. Kb1 Rd2 53. Be6+ 1-0

[Event "Buenos Aires op"]
[Site "Buenos Aires"]
[Date "1995.??.??"]
[Round "7"]
[White "Malbran, Guillermo"]
[Black "Di Tomaso, Osvaldo A"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2335"]
[PlyCount "103"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 g6 4. d4 Bg7 5. dxc5 Nf6 6. Nbd2 Qc7 7. Bd3 Qxc5 8. e5 Ng4 9. Ne4 Qc7 10. Nd6+ Kf8 11. Bf4 Nc6 12. Qe2 Kg8 13. h3 Ngxe5 14. Nxe5 Qxd6 15. Nxg6 e5 16. Nxh8 exf4 17. Qe4 Qe6 18. Nxf7 Qxe4+ 19. Bxe4 Kxf7 20. Bxh7 d5 21. 0-0-0 Be6 22. Bc2 d4 23. Bb3 Bxb3 24. axb3 dxc3 25. bxc3 Bxc3 26. Rd7+ Ke6 27. Rxb7 Kd5 28. Rd1+ Kc5 29. Kb1 Be5 30. b4+ Kc4 31. Rc1+ Kd5 32. Rb5+ Kd6 33. Rxc6+ Kxc6 34. Rxe5 Rg8 35. Rf5 Rxg2 36. Rxf4 Kb5 37. Kc2 Rh2 38. h4 Kc6 39. Kd3 Kd5 40. Ke2 Ke5 41. Rc4 Kd5 42. Rg4 Ke5 43. Kf3 Rh3+ 44. Kg2 Rb3 45. h5 Rc3 46. h6 Rc8 47. h7 Rh8 48. Rg7 a6 49. Kf3 Kf6 50. Ra7 Kg6 51. Ke4 Rb8 52. Kd3 1-0

[Event "Buenos Aires OATD op"]
[Site "Buenos Aires"]
[Date "1994.??.??"]
[Round "6"]
[White "Di Tomaso, Osvaldo A"]
[Black "Garcia, Raimundo"]
[Result "0-1"]
[ECO "B26"]
[BlackElo "2395"]
[PlyCount "110"]
[EventDate "1994.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Nge2 Nd4 8. 0-0 b5 9. a3 a5 10. Qd2 b4 11. axb4 axb4 12. Nd1 Nxe2+ 13. Qxe2 Nf6 14. h3 0-0 15. Qd2 Bb7 16. f4 Nd7 17. f5 Qb6 18. Kh2 Ra8 19. Rxa8 Rxa8 20. fxg6 hxg6 21. Bh6 Ne5 22. Bg5 e6 23. Ne3 Ra2 24. b3 Qc7 25. Bf4 Nc6 26. Nc4 e5 27. Be3 Ba6 28. Qd1 Bxc4 29. dxc4 Nd4 30. Rf2 Kh7 31. h4 Qe7 32. h5 Bh6 33. Bxd4 cxd4 34. hxg6+ fxg6 35. Qf3 Kg7 36. Bh3 Be3 37. Re2 Qg5 38. Rg2 Ra8 39. Qg4 Qxg4 40. Bxg4 Rh8+ 41. Bh3 g5 42. g4 Bf4+ 43. Rg3 Ra8 44. Bf1 d3 45. Bxd3 Kf6 46. Kg2 Bxg3 47. Kxg3 Ke7 48. Kf3 Kd7 49. Ke3 Kc6 50. Be2 Kc5 51. Kd3 Rh8 52. Ke3 Rh2 53. Bd1 Rh3+ 54. Bf3 Rh2 55. Bd1 Rg2 0-1

[Event "Buenos Aires CAA op"]
[Site "Buenos Aires"]
[Date "1994.??.??"]
[Round "?"]
[White "Di Tomaso, Osvaldo A"]
[Black "Rivero, Jose Luis"]
[Result "1/2-1/2"]
[ECO "C13"]
[BlackElo "2160"]
[PlyCount "25"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 b6 8. Bb5+ c6 9. Be2 Bb7 10. Qd2 Nd7 11. 0-0-0 Qc7 12. Rhe1 0-0-0 13. Kb1 1/2-1/2

[Event "Buenos Aires CAA op"]
[Site "Buenos Aires"]
[Date "1993.08.??"]
[Round "5"]
[White "Ortiz de Guinea, Hector"]
[Black "Di Tomaso, Osvaldo A"]
[Result "1/2-1/2"]
[ECO "B43"]
[BlackElo "2130"]
[PlyCount "87"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 b5 7. Bf3 Bb7 8. 0-0 Nc6 9. Nxc6 Bxc6 10. Re1 Rc8 11. Nd5 Bxd5 12. exd5 Qxc2 13. Qxc2 Rxc2 14. dxe6 fxe6 15. Be4 Bb4 16. Re3 Rc7 17. a3 Bd6 18. Rh3 Nf6 19. Bg6+ Ke7 20. Bg5 h6 21. Rd1 Rhc8 22. Bd2 Rf8 23. Rd3 Nd5 24. f3 Bc5+ 25. Kf1 Nf4 26. Bxf4 Rxf4 27. Rc3 Rc4 28. Rdc1 Bd4 29. Rxc4 bxc4 30. b3 d5 31. bxc4 dxc4 32. Bd3 c3 33. Bxa6 Ra7 34. Bd3 Rxa3 35. Ke2 Ra2+ 36. Bc2 Bf6 37. Kd3 Bg5 38. Re1 Ra3 39. Re4 Kd6 40. Ra4 Rxa4 41. Bxa4 Bd2 42. h4 Kc5 43. Kc2 Kd4 44. h5 1/2-1/2

[Event "Buenos Aires CAA op"]
[Site "Buenos Aires"]
[Date "1993.??.??"]
[Round "6"]
[White "Di Tomaso, Osvaldo A"]
[Black "Dilloo, Manuel"]
[Result "1-0"]
[ECO "C14"]
[PlyCount "63"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Nf3 c6 8. Bd3 h6 9. 0-0 b6 10. Ne2 Na6 11. c3 Nc7 12. Nf4 0-0 13. Nh5 g6 14. Nf4 Kg7 15. Re1 Rg8 16. h4 Nf8 17. Qd2 Bd7 18. Nh3 f5 19. exf6+ Qxf6 20. Nf4 Be8 21. Nh3 Nb5 22. Re3 Nd6 23. Rae1 Nf5 24. Bxf5 Qxf5 25. Ne5 Qf6 26. g3 a5 27. Nf4 Kh7 28. Nf3 Bf7 29. Ng5+ Kg7 30. Nd3 Qd8 31. Rf3 Be8 32. Rxf8 1-0

[Event "Buenos Aires CAA op"]
[Site "Buenos Aires"]
[Date "1993.??.??"]
[Round "4"]
[White "Di Tomaso, Osvaldo A"]
[Black "Varela, Gaston"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "131"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. c3 Ngf6 8. Ng3 Be7 9. 0-0 Bxf3 10. Qxf3 c6 11. Re1 0-0 12. Bf4 Nd5 13. Bd2 Re8 14. a3 Nf8 15. c4 Nf6 16. Bc3 Qc7 17. Rad1 Red8 18. h4 b5 19. cxb5 cxb5 20. Bxb5 Nd5 21. h5 Bxa3 22. Rc1 Be7 23. Bd3 Qb6 24. Ne4 Rac8 25. Qg3 Qb8 26. Qxb8 Rxb8 27. Ra1 Bb4 28. Rxa7 Rbc8 29. Ba6 Rc6 30. Bb5 Rb6 31. Bc4 Bxc3 32. bxc3 h6 33. Bxd5 exd5 34. Nc5 Ne6 35. Nxe6 Rxe6 36. Rxe6 fxe6 37. Re7 Rd6 38. Rc7 Kf8 39. Kh2 Ra6 40. Kg3 Ra1 41. Kf4 Re1 42. f3 Re2 43. g4 Re1 44. Rb7 Re2 45. Ra7 Re1 46. Rc7 Re2 47. Kg3 Re1 48. Kf2 Rc1 49. Ke2 Rb1 50. Kf2 Rc1 51. f4 Rc2+ 52. Kf3 Rc1 53. f5 exf5 54. gxf5 Rf1+ 55. Kg4 Rf2 56. Rc5 Ke7 57. Rxd5 Rc2 58. Rc5 Kd6 59. Kf4 Rh2 60. Ra5 Rxh5 61. Ra6+ Kd5 62. Rg6 Kc4 63. Rxg7 Kxc3 64. Ke5 Rh4 65. d5 Kc4 66. d6 1-0

[Event "Buenos Aires CAA op"]
[Site "Buenos Aires"]
[Date "1993.??.??"]
[Round "2"]
[White "Di Tomaso, Osvaldo A"]
[Black "Zaffaroni, Sebastian"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "90"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bc5 4. Bc4 Nc6 5. 0-0 d6 6. h3 Be6 7. Bxe6 fxe6 8. d3 a6 9. a3 0-0 10. b4 Ba7 11. Rb1 Qe8 12. b5 Nd4 13. Nxd4 Bxd4 14. Ne2 axb5 15. Nxd4 exd4 16. f4 e5 17. c3 dxc3 18. Qb3+ Kh8 19. Qxb5 exf4 20. Rxf4 c6 21. Qc4 Qe5 22. d4 Qe7 23. Qxc3 Nxe4 24. Qb4 b5 25. d5 Ra4 26. Qe1 Rxf4 27. Bxf4 Qf6 28. Be3 Nc3 29. Rc1 Nxd5 30. Rxc6 h6 31. Bc5 Qe5 32. Qb1 Re4 33. Rc8+ Kh7 34. Bf2 Nf4 35. Rb8 d5 36. Rxb5 Ne2+ 37. Kh1 Nc3 38. Qd3 Nxb5 39. Qxb5 Rc4 40. Qb1+ Qe4 41. Qb3 Rc1+ 42. Kh2 Qf4+ 43. Bg3 Qf1 44. Be5 Qh1+ 45. Kg3 Qe1+ 0-1

[Event "Buenos Aires op"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "3"]
[White "De Anna, Marcos"]
[Black "Di Tomaso, Osvaldo A"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "115"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 cxd4 4. cxd4 Nf6 5. e5 Nd5 6. Nf3 b6 7. Bd3 Be7 8. Qe2 Nc6 9. a3 Na5 10. Be3 Nxe3 11. Qxe3 Bb7 12. Nbd2 d5 13. b4 Nc6 14. 0-0 0-0 15. Ne1 Qd7 16. Kh1 f6 17. f4 g6 18. Nef3 fxe5 19. Nxe5 Nxe5 20. Qxe5 Bf6 21. Qe3 Rae8 22. Nf3 Bc6 23. Qe2 Re7 24. g3 Qd6 25. Kg2 Rc8 26. Rfe1 Be8 27. Rac1 Rb8 28. Rc3 a5 29. b5 Rbb7 30. Rec1 Bd7 31. Qc2 Kg7 32. h4 Be8 33. Ne5 Rb8 34. Kh3 Rbb7 35. g4 Bxe5 36. fxe5 Qd7 37. g5 Rf7 38. Kg3 Qe7 39. Be2 Qf8 40. Qd2 Rbe7 41. Qe3 Rf5 42. Bd3 Rff7 43. Rc8 Rb7 44. R1c3 Qe7 45. Qc1 Bd7 46. Ra8 Rf8 47. Rxf8 Kxf8 48. Qf1+ Kg8 49. Be2 Be8 50. Qf6 Qd7 51. a4 Bf7 52. Rc6 Rc7 53. Rd6 Qe7 54. Rxb6 Qa3+ 55. Bf3 Rc8 56. Rxe6 Qe3 57. Rc6 Rf8 58. Rc7 1-0

