[Event "Buenos Aires op1"]
[Site "Buenos Aires"]
[Date "1993.??.??"]
[Round "5"]
[White "Oppezzo, Santiago"]
[Black "Bronstein, Luis Marcos"]
[Result "0-1"]
[ECO "A33"]
[BlackElo "2425"]
[PlyCount "134"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 Nc6 6. g3 Qb6 7. Nc2 Ne5 8. b3 Nfg4 9. e3 Qc6 10. e4 Bc5 11. Ne3 Nxe3 12. Bxe3 Bxe3 13. fxe3 Qc5 14. Kf2 d6 15. Qd4 Bd7 16. Rd1 Bc6 17. Be2 Rd8 18. Rd2 a5 19. Rhd1 Rd7 20. a4 0-0 21. Bf3 Qb4 22. Rb2 f5 23. Kg2 Nxf3 24. Kxf3 fxe4+ 25. Kg2 Rdf7 26. Nxe4 Qc5 27. Kg1 Qxd4 28. Rxd4 Rf1+ 29. Kg2 e5 30. Rd5 Bxd5 31. cxd5 Rd1 32. Nxd6 Rxd5 33. Nc4 b5 34. axb5 Rxb5 35. Ra2 Rxb3 36. Rxa5 Rc3 37. Nxe5 Rxe3 38. h4 h6 39. Ng6 Rb8 40. h5 Rb2+ 41. Kh3 Rbb3 42. Ra8+ Kf7 43. Ra7+ Kf6 44. Ra6+ Kf7 45. Ra7+ Ke8 46. Ra8+ Kd7 47. Nf8+ Ke7 48. Ng6+ Kd6 49. Ra6+ Kc5 50. Nf4 Rxg3+ 51. Kh4 Rge3 52. Kg4 Rg3+ 53. Kf5 Rg5+ 54. Ke4 Rb4+ 55. Kf3 Rf5 56. Ra5+ Rb5 57. Rxb5+ Kxb5 58. Ke4 Rg5 59. Kd4 Kc6 60. Ke4 Kd6 61. Kd4 Ke7 62. Ke4 Rg4 63. Kf5 Rxf4+ 64. Kxf4 Kf6 65. Kg4 Ke5 66. Kh4 Kf4 67. Kh3 Kg5 0-1

[Event "Buenos Aires op1"]
[Site "Buenos Aires"]
[Date "1993.??.??"]
[Round "3"]
[White "Oppezzo, Santiago"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "D35"]
[BlackElo "2380"]
[PlyCount "88"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Nc3 c6 6. Bg5 h6 7. Bh4 Bf5 8. e3 Qb6 9. Qb3 Nbd7 10. Be2 Bd6 11. 0-0 0-0 12. Bg3 Bxg3 13. hxg3 Qxb3 14. axb3 Rfe8 15. Rfc1 a6 16. Bd1 g5 17. Bc2 Bxc2 18. Rxc2 Kg7 19. Kf1 Ng4 20. Kg1 f5 21. Re1 Ndf6 22. Rce2 Re7 23. Nd2 Rae8 24. Nf1 h5 25. f3 Nh6 26. Kf2 Nf7 27. Nd2 Nd6 28. Na4 Nd7 29. b4 Nb5 30. Nb3 Kg6 31. Nc3 Nd6 32. Nc1 Rf7 33. Nd3 Ne4+ 34. fxe4 fxe4+ 35. Nf4+ gxf4 36. gxf4 Nf6 37. Kg1 Kf5 38. Nd1 Rg8 39. Nf2 Rfg7 40. Nh3 Rg3 41. Kh2 h4 42. Ng5 Ng4+ 43. Kg1 Rxe3 44. Rxe3 Nxe3 0-1

[Event "Buenos Aires op1"]
[Site "Buenos Aires"]
[Date "1993.??.??"]
[Round "7"]
[White "Oppezzo, Santiago"]
[Black "Moccero, Eduardo"]
[Result "1/2-1/2"]
[ECO "D34"]
[PlyCount "60"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 c5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. h3 Re8 10. Be3 cxd4 11. Nxd4 h6 12. Rc1 Be6 13. Qd2 Qd7 14. Kh2 Bb4 15. a3 Bxc3 16. Qxc3 Rac8 17. Qd3 Ne5 18. Qb5 Nc4 19. Rc3 Ne4 20. Bxe4 Nxe3 21. Rxe3 dxe4 22. Rxe4 Bxh3 23. Rxe8+ Rxe8 24. Qxd7 Bxd7 25. Rc1 Rc8 26. Rxc8+ Bxc8 27. Kg2 Bd7 28. Kf3 Kf8 29. Ke4 Ke7 30. e3 g6 1/2-1/2

[Event "Buenos Aires Konex"]
[Site "Buenos Aires"]
[Date "1991.??.??"]
[Round "3"]
[White "Oppezzo, Santiago"]
[Black "Schweber, Samuel"]
[Result "0-1"]
[ECO "A55"]
[BlackElo "2375"]
[PlyCount "62"]
[EventDate "1991.03.??"]
[EventType "swiss"]
[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. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. e4 c6 6. Be2 Be7 7. 0-0 0-0 8. Qc2 a6 9. h3 b5 10. Be3 Bb7 11. Rfd1 Qc7 12. Rac1 Rac8 13. Qb3 b4 14. Na4 c5 15. d5 Nxe4 16. Qc2 Nef6 17. Nh4 g6 18. Bh6 Rfe8 19. Nf3 Bf8 20. Qd2 Bg7 21. g4 Kh8 22. Kh2 Qd8 23. Rg1 Qe7 24. Rce1 Bxh6 25. Qxh6 Ng8 26. Qd2 e4 27. Bd3 Qf6 28. Rxe4 Rxe4 29. Bxe4 Re8 30. Qe3 Ne5 31. b3 Nxf3+ 0-1

