[Event "Montevideo Noches de Misterio op"]
[Site "Montevideo"]
[Date "2018.05.23"]
[Round "6"]
[White "Quepfer, Wilson"]
[Black "Oppa, Guaymiran"]
[Result "1/2-1/2"]
[ECO "E00"]
[BlackElo "1593"]
[PlyCount "62"]
[EventDate "2018.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "URU"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. e3 Nf6 4. a3 dxc4 5. Bxc4 c6 6. Nc3 b5 7. Bd3 Bb7 8. Nf3 h6 9. b4 a5 10. Rb1 axb4 11. axb4 Be7 12. 0-0 0-0 13. Ne5 Nbd7 14. Ng4 Nxg4 15. Qxg4 Nf6 16. Qf3 Nd5 17. Nxd5 exd5 18. Rd1 Bd6 19. e4 dxe4 20. Bxe4 Ra2 21. Bxc6 Bxh2+ 22. Kf1 Bxc6 23. Qxc6 Qh4 24. Rb2 Rxb2 25. Bxb2 Bf4 26. g3 Qg4 27. Re1 Qh3+ 28. Kg1 Bxg3 29. fxg3 Qxg3+ 30. Kf1 Qf4+ 31. Kg1 Qg3+ 1/2-1/2

[Event "Montevideo Noches de Misterio op"]
[Site "Montevideo"]
[Date "2018.05.16"]
[Round "5"]
[White "Avedisian, Alexander"]
[Black "Oppa, Guaymiran"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1936"]
[BlackElo "1593"]
[PlyCount "49"]
[EventDate "2018.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "URU"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 c5 3. Bg2 Nf6 4. 0-0 e6 5. d3 Be7 6. Nbd2 Nc6 7. e4 dxe4 8. dxe4 0-0 9. e5 Nd5 10. c3 Qc7 11. Re1 Rd8 12. Qc2 Rb8 13. a4 Na5 14. Qe4 c4 15. Qg4 Nb3 16. Nxb3 cxb3 17. Bh3 Bf8 18. Nd4 Bd7 19. a5 Kh8 20. Bg5 f6 21. exf6 gxf6 22. Bh4 Bg7 23. Nxb3 Rg8 24. Qd4 f5 25. Qxa7 1-0

[Event "Montevideo Noches de Misterio op"]
[Site "Montevideo"]
[Date "2018.05.09"]
[Round "4"]
[White "Oppa, Guaymiran"]
[Black "Decia, Joaquin"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1593"]
[BlackElo "1346"]
[PlyCount "83"]
[EventDate "2018.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "URU"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 d6 5. 0-0 Nf6 6. d4 exd4 7. cxd4 Bb4 8. a3 Ba5 9. h3 Bd7 10. Bg5 h6 11. Bh4 Qe7 12. b4 Bb6 13. Nc3 0-0 14. Nd5 Qd8 15. Nxf6+ gxf6 16. a4 a6 17. Bxc6 Bxc6 18. d5 Bd7 19. Nd4 Kh7 20. Qd3 Bxd4 21. Qxd4 Qc8 22. Qxf6 Rg8 23. Kh2 Qe8 24. Rfe1 Rg6 25. Qf3 Qe5+ 26. Bg3 Qg7 27. Rac1 c6 28. b5 axb5 29. axb5 c5 30. e5 dxe5 31. Bxe5 f6 32. Bd6 Be8 33. Rxc5 Bf7 34. Rc7 Rg8 35. Rxf7 Qxf7 36. Re7 R8g7 37. Rxf7 Rxf7 38. b6 Rfg7 39. Bf8 Rg8 40. Be7 R8g7 41. d6 Rg5 42. d7 1-0

[Event "Montevideo Noches de Misterio op"]
[Site "Montevideo"]
[Date "2018.05.02"]
[Round "3"]
[White "Martinez Fernandez, Fernando"]
[Black "Oppa, Guaymiran"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1910"]
[BlackElo "1593"]
[PlyCount "125"]
[EventDate "2018.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "URU"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 d5 2. g3 Nf6 3. Bg2 e6 4. Nf3 h6 5. 0-0 Be7 6. c4 dxc4 7. Qa4+ c6 8. Qxc4 0-0 9. Nc3 Nd5 10. e4 Nb6 11. Qe2 N8d7 12. Be3 Nf6 13. Rfd1 Bb4 14. Ne5 Nfd7 15. Nxd7 Bxd7 16. a4 Ba5 17. f4 Qe7 18. Rdc1 Rfe8 19. b3 Qb4 20. Rab1 Qe7 21. Na2 Nc8 22. b4 Bb6 23. a5 Bd8 24. e5 a6 25. Rc2 Na7 26. Nc3 Qf8 27. Na4 Nb5 28. Qd3 Rb8 29. Nc5 Bc8 30. Rbc1 Be7 31. h3 Nc7 32. Kh2 Nd5 33. Bxd5 exd5 34. f5 Bxc5 35. bxc5 Qe7 36. Bf4 Ra8 37. Rg2 Qd7 38. g4 Qd8 39. Qd2 Qh4 40. Qf2 Qxf2 41. Rxf2 Kh7 42. Kg3 g6 43. fxg6+ Kxg6 44. Be3 Re6 45. Rcf1 Re7 46. Rf6+ Kg7 47. Bxh6+ Kg8 48. Bg5 Bd7 49. Rh6 Re6 50. Bf6 Rxf6 51. Rfxf6 Re8 52. Rh5 Be6 53. Rg5+ Kf8 54. h4 Ke7 55. h5 Rh8 56. h6 Kf8 57. Rh5 Rh7 58. g5 Ke7 59. Rh1 Kd7 60. Rb1 Kc7 61. Kh4 Kc8 62. Kh5 Rh8 63. Rxe6 1-0

[Event "Montevideo Noches de Misterio op"]
[Site "Montevideo"]
[Date "2018.04.25"]
[Round "2"]
[White "Oppa, Guaymiran"]
[Black "Rodriguez Farias, Eduardo"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1593"]
[BlackElo "1886"]
[PlyCount "90"]
[EventDate "2018.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "URU"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd3 d5 8. Bg5 Qa5 9. Bxf6 Bxc3+ 10. bxc3 Qxc3+ 11. Nd2 gxf6 12. exd5 Rg8 13. 0-0 Bg4 14. Ne4 Bxd1 15. Nxc3 Bf3 16. g3 h5 17. Ne4 Bxe4 18. Bxe4 Nd7 19. c4 Rc8 20. Rfc1 Rg4 21. Bd3 Rd4 22. Be2 h4 23. Rab1 hxg3 24. hxg3 b6 25. Bf1 f5 26. Bh3 Rdxc4 27. Rxc4 Rxc4 28. Bxf5 b5 29. Re1 Ra4 30. Rc1 Nb6 31. Rc5 Rc4 32. Rxc4 Nxc4 33. Bc8 a5 34. Bb7 Ke7 35. Kf1 Kd6 36. Ba6 Na3 37. Bb7 Nb1 38. Bc6 b4 39. Ke1 Nc3 40. Be8 f6 41. Kd2 Nxa2 42. Kc2 Nc3 43. Kb3 Kxd5 44. Bf7+ Kc5 45. Be8 Ne4 0-1

[Event "Montevideo Noches de Misterio op"]
[Site "Montevideo"]
[Date "2018.04.18"]
[Round "1"]
[White "Pagani, Pablo"]
[Black "Oppa, Guaymiran"]
[Result "0-1"]
[ECO "B45"]
[BlackElo "1593"]
[PlyCount "56"]
[EventDate "2018.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "URU"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 Nc6 3. Nf3 d6 4. Nc3 Nf6 5. d4 cxd4 6. Nxd4 e6 7. Nxc6 bxc6 8. 0-0 Be7 9. e5 dxe5 10. Qxd8+ Bxd8 11. Bg5 0-0 12. Rad1 Nd5 13. Nxd5 exd5 14. Bxd8 Rxd8 15. Bb3 a5 16. c4 a4 17. Bc2 d4 18. Be4 Bd7 19. Rfe1 f5 20. Bb1 Re8 21. a3 c5 22. g3 e4 23. Kg2 Rab8 24. Re2 Bc6 25. Kh3 Re6 26. g4 f4 27. f3 Rb3 28. Kg2 exf3+ 0-1

[Event "URU-ch sf"]
[Site "Montevideo"]
[Date "2014.03.04"]
[Round "9"]
[White "De San Vicente, Sabrina"]
[Black "Oppa, Guaymiran"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1692"]
[PlyCount "61"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 Be7 6. e3 c6 7. Bd3 Nbd7 8. Qc2 h6 9. Bh4 0-0 10. Nf3 Ne8 11. Bxe7 Qxe7 12. 0-0 Nd6 13. Rab1 f5 14. b4 Ne4 15. Na4 Kh8 16. Nc5 b6 17. Nxd7 Bxd7 18. Ne5 Rf6 19. Rfc1 Be8 20. Bxe4 fxe4 21. Qb3 Rd8 22. Rc3 h5 23. Rbc1 Qd6 24. a3 g5 25. Qc2 Rc8 26. h3 Qe7 27. Qd1 Kg7 28. R1c2 Qd6 29. Kh1 Rc7 30. Kg1 Qe7 31. Qc1 1/2-1/2

[Event "URU-ch sf"]
[Site "Montevideo"]
[Date "2014.03.04"]
[Round "8"]
[White "Oppa, Guaymiran"]
[Black "Silva Dalla Rizza, Martin"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "61"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Bb4+ 8. Nc3 Nge7 9. a3 Bxc3+ 10. bxc3 0-0 11. 0-0 Bd7 12. a4 a6 13. Ba3 Rac8 14. Qd2 Rfe8 15. Bc5 Qc7 16. Rfb1 Na5 17. Bb6 Nc4 18. Bxc4 Qxc4 19. Bc5 a5 20. Rxb7 Rcd8 21. Qc2 Nc8 22. h3 Qa6 23. Rab1 Qc6 24. Ng5 g6 25. Qd2 Qxa4 26. Qf4 Rf8 27. Qh4 h5 28. g4 Kg7 29. gxh5 Rh8 30. Nxf7 Kxf7 31. Qf6+ 1-0

[Event "URU-ch sf"]
[Site "Montevideo"]
[Date "2014.03.03"]
[Round "7"]
[White "Milan, Julio"]
[Black "Oppa, Guaymiran"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1689"]
[PlyCount "104"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nc3 a6 6. Nxd4 cxd4 7. Ne2 b5 8. Bb3 Bc5 9. d3 d6 10. a3 Ne7 11. Bg5 Qc7 12. 0-0 0-0 13. Qd2 Ng6 14. Ba2 Bb7 15. Nf4 Nxf4 16. Bxf4 Qd7 17. Qe2 e5 18. Bg3 d5 19. exd5 Bxd5 20. Qxe5 Bxa2 21. Qxc5 Rfc8 22. Qd6 Qxd6 23. Bxd6 Be6 24. Rac1 Rc6 25. Be5 Rd8 26. Rfe1 f6 27. Bg3 Kf7 28. f3 Rdc8 29. Re2 Bb3 30. Rce1 Rxc2 31. Re7+ Kg6 32. Rd7 Rxb2 33. Rxd4 Rcc2 34. Rg4+ Kf7 35. Bd6 Be6 36. Rg3 h5 37. h4 Rd2 38. Rc1 Bf5 39. Re1 Re2 40. Rc1 Rbc2 41. Rd1 Be6 42. d4 Bd5 43. Kf1 Bc4 44. Kg1 Bd5 45. Kf1 Ra2 46. Kg1 a5 47. Bc5 Rab2 48. Rc1 b4 49. axb4 axb4 50. Ra1 b3 51. Ra7+ Ke6 52. Re7+ Kf5 1-0

[Event "URU-ch sf"]
[Site "Montevideo"]
[Date "2014.03.03"]
[Round "6"]
[White "Oppa, Guaymiran"]
[Black "Fernandez Rodriguez, Antonio"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "1858"]
[PlyCount "102"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Be2 Nh6 7. Na3 cxd4 8. cxd4 Bxa3 9. bxa3 Nf5 10. 0-0 Ncxd4 11. Nxd4 Nxd4 12. Be3 Nxe2+ 13. Qxe2 Qc7 14. Rac1 Qxe5 15. Qb5+ Bd7 16. Qxb7 Qb8 17. Qxb8+ Rxb8 18. Bxa7 Ra8 19. Bc5 Bb5 20. Rfe1 Kd7 21. f4 Bc4 22. Kf2 Rab8 23. Rc2 Bd3 24. Rd2 Bf5 25. Rd4 Rb2+ 26. Re2 Rxe2+ 27. Kxe2 Rc8 28. Bb4 Rc2+ 29. Rd2 Rc4 30. Ke3 Re4+ 31. Kf3 h5 32. h3 Rc4 33. g4 Be4+ 34. Kg3 hxg4 35. hxg4 Ke8 36. Rh2 f6 37. Rh8+ Kf7 38. Rf8+ Kg6 39. Re8 Rc6 40. a4 d4 41. Rd8 d3 42. a5 Rc2 43. a3 Rg2+ 44. Kh3 Rf2 45. a6 Rf3+ 46. Kh2 Rxf4 47. a7 Rxg4 48. Rxd3 Rh4+ 49. Kg3 Rh8 50. Rd7 f5 51. Bd6 Rc8 0-1

[Event "URU-ch sf"]
[Site "Montevideo"]
[Date "2014.03.02"]
[Round "5"]
[White "Aguilar, Carla"]
[Black "Oppa, Guaymiran"]
[Result "0-1"]
[ECO "B28"]
[PlyCount "76"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nf3 Nf6 4. Nc3 e6 5. d4 cxd4 6. Nxd4 a6 7. Bd3 d6 8. 0-0 Nxd4 9. Be3 e5 10. Nd5 Be7 11. f4 Ng4 12. Qd2 Nxe3 13. Qxe3 0-0 14. Nxe7+ Qxe7 15. f5 Qf6 16. Rf2 Bd7 17. b4 b6 18. Rc1 Rfc8 19. g4 h6 20. Rc3 a5 21. b5 Bxb5 22. Rg2 Qh4 23. Qg3 Qxg3 24. Rxg3 f6 25. h4 Bc6 26. Kg2 Rc7 27. Kh2 Kf7 28. Re3 Rac8 29. Kg3 Ke7 30. h5 Bb7 31. Re1 d5 32. Re3 dxe4 33. Bf1 b5 34. c5 Rxc5 35. Rxc5 Rxc5 36. Kh4 b4 37. Re1 Nf3+ 38. Kg3 Nxe1 0-1

[Event "URU-ch sf"]
[Site "Montevideo"]
[Date "2014.03.02"]
[Round "4"]
[White "Oppa, Guaymiran"]
[Black "Costa, Anaclara"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "1663"]
[PlyCount "72"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Bd3 Bd7 7. 0-0 cxd4 8. cxd4 Nxd4 9. Nxd4 Qxd4 10. Bb5 Qxd1 11. Bxd7+ Kxd7 12. Rxd1 Bc5 13. Nc3 Ne7 14. Na4 b6 15. a3 Nf5 16. b4 Bd4 17. Bb2 Bxb2 18. Nxb2 Rhc8 19. Rac1 Ne7 20. Nc4 Ng6 21. g3 Ke7 22. Nd6 Rxc1 23. Rxc1 Nxe5 24. Rc8 Rxc8 25. Nxc8+ Kd7 26. Nxa7 Nc4 27. Nb5 e5 28. Kf1 d4 29. Ke2 Kc6 30. a4 f6 31. f4 Nb2 32. Na7+ Kb7 33. fxe5 fxe5 34. Nb5 Nxa4 35. Nd6+ Kc6 36. Ne8 Kb5 0-1

[Event "URU-ch sf"]
[Site "Montevideo"]
[Date "2014.03.01"]
[Round "2"]
[White "Garcia, Axel"]
[Black "Oppa, Guaymiran"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "1785"]
[PlyCount "81"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 a6 5. Bg2 e6 6. d4 cxd4 7. Nxd4 Be7 8. e4 0-0 9. 0-0 Qb6 10. Be3 Qxb2 11. Na4 Qa3 12. Nb6 Rb8 13. Nxc6 bxc6 14. e5 Bc5 15. Bxc5 Qxc5 16. Nxc8 Rfxc8 17. exf6 gxf6 18. Qg4+ Qg5 19. Qxg5+ fxg5 20. c5 Rb5 21. Rfc1 Rcb8 22. Bf1 Ra5 23. Rc2 Kf8 24. Rd1 Ke7 25. Rd3 Rbb5 26. Rdc3 Rb4 27. Rb3 Rxa2 28. Rxa2 Rxb3 29. Rxa6 Rc3 30. Ra5 h5 31. Be2 g4 32. Kg2 f5 33. h4 e5 34. f3 gxf3+ 35. Bxf3 Rc2+ 36. Kf1 f4 37. gxf4 exf4 38. Ra4 Rxc5 39. Rxf4 Re5 40. Kg2 c5 41. Re4 1/2-1/2

[Event "URU-ch sf"]
[Site "Montevideo"]
[Date "2014.03.01"]
[Round "3"]
[White "Oppa, Guaymiran"]
[Black "Solari, Pablo"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "1757"]
[PlyCount "146"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Be2 cxd4 7. cxd4 Bb4+ 8. Nc3 Nge7 9. a3 Bxc3+ 10. bxc3 Na5 11. Bd3 Bd7 12. 0-0 Rc8 13. Rb1 Qc7 14. Bd2 a6 15. a4 Nc4 16. Bxc4 Qxc4 17. Rxb7 Bxa4 18. Qb1 Bb5 19. Re1 Qc6 20. Rxe7+ Kxe7 21. Qb4+ Kd7 22. Ng5 Ke8 23. Nf3 h6 24. h3 Rc7 25. Kh2 Kd7 26. Qa3 Rb7 27. Rb1 f5 28. exf6 gxf6 29. Bf4 Rb6 30. Be5 Rh7 31. Bxf6 Kc7 32. Qf8 Qe8 33. Be5+ Kb7 34. Qa3 Qc8 35. Qa5 Qc4 36. Rb4 Qc6 37. Bg3 Ka7 38. Ne5 Qb7 39. Qa3 Bc4 40. Rxb6 Qxb6 41. Qf8 Bb5 42. Qg8 Rc7 43. Qh8 a5 44. Qxh6 Rxc3 45. Qg7+ Ka6 46. Qe7 Rc7 47. Qf6 a4 48. Qd8 Ra7 49. Qc8+ Rb7 50. Qa8+ Qa7 51. Qd8 Qxd4 52. Qd6+ Qb6 53. Qf8 Bc4 54. Qa8+ Qa7 55. Qc8 Bb5 56. Qxe6+ Qb6 57. Qxd5 a3 58. Nd3 Ka7 59. Qb3 Bxd3 60. Qxd3 Qb2 61. Qe3+ Ka6 62. Be5 Qb4 63. Qd3+ Rb5 64. Bd6 Qb3 65. Qxb3 Rxb3 66. Bxa3 Rxa3 67. h4 Kb6 68. f3 Kc6 69. Kg3 Kd6 70. Kg4 Ke6 71. f4 Kf6 72. h5 Ra2 73. g3 Rh2 0-1

[Event "URU-ch sf"]
[Site "Montevideo"]
[Date "2014.02.28"]
[Round "1"]
[White "Cucchi, Nicolas"]
[Black "Oppa, Guaymiran"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1998"]
[PlyCount "107"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Qc2 Nbd7 8. Bd3 h6 9. Bh4 a6 10. Nf3 0-0 11. 0-0 c5 12. dxc5 Nxc5 13. Bf5 Bxf5 14. Qxf5 Nce4 15. Bxf6 Nxf6 16. Rfd1 g6 17. Qe5 Rc8 18. Nxd5 Nxd5 19. Rxd5 Qc7 20. Rad1 Qxe5 21. Nxe5 Bf6 22. Nd7 Bxb2 23. Nxf8 Kxf8 24. Rd8+ Rxd8 25. Rxd8+ Ke7 26. Rb8 b5 27. Rb6 a5 28. Rxb5 Bc3 29. Rb3 Bb4 30. a3 Bd6 31. Rb7+ Kf8 32. Ra7 Bxa3 33. Rxa5 Bb4 34. Rb5 Bc3 35. Rb7 g5 36. Kf1 Kg7 37. Ke2 Kg6 38. Kd3 Be1 39. Rb1 Ba5 40. Ra1 Bc7 41. Rc1 Bb8 42. h3 h5 43. g4 hxg4 44. hxg4 Be5 45. Ke4 Bb2 46. Rc2 Ba1 47. f4 gxf4 48. exf4 Bh8 49. Rc6+ f6 50. f5+ Kg5 51. Rc8 Bg7 52. Rg8 Kh6 53. Kd5 Kh7 54. Rxg7+ 1-0

[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1985.??.??"]
[Round "?"]
[White "Falco, Gerardo"]
[Black "Oppa, Guaymiran"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "66"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bg4 4. e3 e6 5. c3 c6 6. Nbd2 Bd6 7. Bxd6 Qxd6 8. Qb3 b6 9. h3 Bh5 10. Ne5 Nfd7 11. f4 0-0 12. g4 Bg6 13. Nxg6 fxg6 14. Nf3 a5 15. a4 Qc7 16. Be2 Nf6 17. Ne5 Nbd7 18. c4 Nxe5 19. dxe5 Ne4 20. Bf3 Nc5 21. Qc2 Rac8 22. 0-0 Qd8 23. Kg2 d4 24. Rfd1 d3 25. Qc3 Qe7 26. b4 axb4 27. Qxb4 Qh4 28. Qxb6 Rb8 29. Qa5 Rb2+ 30. Rd2 Nb3 31. Rxb2 Nxa5 32. Rab1 Nxc4 33. Rb8 Nxe3+ 0-1

[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1985.??.??"]
[Round "?"]
[White "Garrido, Federico"]
[Black "Oppa, Guaymiran"]
[Result "0-1"]
[ECO "D44"]
[PlyCount "74"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 dxc4 6. a4 Bb4 7. Bxf6 Qxf6 8. e3 b5 9. Be2 Bb7 10. 0-0 Bxc3 11. bxc3 0-0 12. Ne5 Qe7 13. Qb1 Nd7 14. axb5 Nxe5 15. dxe5 c5 16. Bxc4 Qg5 17. g3 Qxe5 18. Bd3 g6 19. c4 Rfd8 20. Rd1 Bf3 21. Rc1 Rd6 22. Bf1 Rd2 23. Bg2 Bxg2 24. Kxg2 Qxe3 25. Rf1 Qd4 26. Ra2 Rd8 27. Rxd2 Qxd2 28. Qa1 Rd7 29. Qa4 Qd4 30. Ra1 h5 31. Qa6 h4 32. Qc8+ Kg7 33. Re1 h3+ 34. Kxh3 Qxf2 35. Qxd7 Qxe1 36. Qxa7 Qf1+ 37. Kh4 Qxc4+ 0-1

[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1985.??.??"]
[Round "?"]
[White "Oppa, Guaymiran"]
[Black "Bademian Orchanian, Jose"]
[Result "0-1"]
[ECO "C89"]
[BlackElo "2200"]
[PlyCount "46"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Re4 g5 16. Qf3 Bf5 17. Re1 Rae8 18. Bd2 Nf4 19. Na3 g4 20. Qh1 Ne2+ 21. Rxe2 Rxe2 22. Be3 Re8 23. Bc2 R8xe3 0-1

[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1985.??.??"]
[Round "?"]
[White "Oppa, Guaymiran"]
[Black "Jardim, Emmanuel"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "57"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 Bf5 6. Be2 e6 7. Nf3 Be7 8. 0-0 0-0 9. Nc3 d5 10. c5 N6d7 11. Bd3 Bxd3 12. Qxd3 f5 13. exf6 Bxf6 14. a3 c6 15. Bd2 Na6 16. Rae1 Nc7 17. b4 b5 18. Nd1 g6 19. Nf2 Qe8 20. Ng4 Bg7 21. Ng5 h6 22. Nf3 Kh7 23. Nh4 Qf7 24. Qh3 Bxd4+ 25. Kh1 Bg7 26. Nf3 Qf5 27. Bc3 Bxc3 28. Ng5+ Kg8 29. Nxh6+ 1-0

[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1985.??.??"]
[Round "?"]
[White "Oppa, Guaymiran"]
[Black "Riverol, Jose"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "94"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Nc3 Nf6 5. Nxe5 d5 6. Bb3 Bd6 7. d4 c6 8. 0-0 0-0 9. Bg5 Nbd7 10. f4 h6 11. Bh4 Qc7 12. Qd2 b6 13. a3 Nh7 14. Kh1 Ndf6 15. Rae1 Bf5 16. Ba2 a5 17. a4 Ne4 18. Nxe4 Bxe4 19. c3 b5 20. axb5 cxb5 21. Rxe4 dxe4 22. Bd5 Ra6 23. Bxe4 Be7 24. Bxe7 Qxe7 25. Bxh7+ Kxh7 26. Qd3+ Kg8 27. Qxb5 Qd6 28. h3 a4 29. Ra1 a3 30. bxa3 Rxa3 31. Rxa3 Qxa3 32. Qd3 Qc1+ 33. Kh2 Qxf4+ 34. Qg3 Qxg3+ 35. Kxg3 Rc8 36. d5 Rxc3+ 37. Kf4 Kf8 38. Nc6 Ke8 39. Ke5 Kd7 40. Nb8+ Kc7 41. Na6+ Kb7 42. Kd4 Rc2 43. Nc5+ Kc7 44. g3 Rd2+ 45. Ke5 h5 46. Ne4 Re2 47. Kd4 f6 0-1

[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1985.??.??"]
[Round "?"]
[White "Oppa, Guaymiran"]
[Black "Torres, Luis J"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "168"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 c6 5. 0-0 Nd7 6. c3 Qc7 7. a4 e5 8. h3 Ngf6 9. Qc2 0-0 10. Be3 Rd8 11. Nbd2 Nf8 12. Rfd1 Ne6 13. Bf1 Nh5 14. dxe5 dxe5 15. Nc4 b6 16. Rxd8+ Nxd8 17. Qd2 Nb7 18. Rd1 Be6 19. Qc2 f6 20. Qc1 Bf8 21. b4 c5 22. b5 Ng7 23. Bh6 Be7 24. Be3 Ne8 25. Qb1 Kg7 26. Bc1 Ned6 27. Nfd2 Rd8 28. Qc2 Rd7 29. Ne3 Qd8 30. c4 Bf8 31. Bb2 Kh8 32. Nb1 Bg7 33. Nc3 Ne8 34. Rxd7 Qxd7 35. Ned5 Nc7 36. Qd1 Bxd5 37. Nxd5 Nxd5 38. Qxd5 Qxd5 39. exd5 Nd6 40. f3 Kg8 41. Kf2 Kf7 42. Bc3 Bh6 43. a5 e4 44. a6 Bf4 45. g3 Be5 46. Bd2 Bd4+ 47. Be3 Bxe3+ 48. Kxe3 exf3 49. Kxf3 f5 50. g4 Kf6 51. gxf5 Kxf5 52. Ke3 Kg5 53. Kf3 Kf5 54. Ke3 h6 55. Bd3+ Ke5 56. Bf1 Nf5+ 57. Kf3 Nd6 58. Ke3 Kf5 59. Bd3+ Ke5 60. Bf1 Ne8 61. Be2 Nd6 62. Bd3 Kf6 63. Kf4 Nf7 64. h4 Nd6 65. Be2 Nf5 66. h5 g5+ 67. Ke4 Nd6+ 68. Kf3 Ke5 69. Kg4 Ke4 70. Kg3 Ke3 71. Bf1 Nf7 72. Kg4 Nd6 73. Kg3 Ne8 74. Kg4 Kf2 75. Kf5 Kxf1 76. Ke6 g4 77. Ke7 g3 78. Kxe8 g2 79. d6 g1Q 80. d7 Qg8+ 81. Ke7 Qg5+ 82. Ke8 Qxh5+ 83. Ke7 Qe5+ 84. Kd8 Qb8+ 0-1

[Event "Montevideo Team"]
[Site "Montevideo"]
[Date "1967.??.??"]
[Round "1.7"]
[White "Surek, Mauricio"]
[Black "Oppa, Guaymiran"]
[Result "0-1"]
[ECO "D45"]
[PlyCount "58"]
[EventDate "1967.??.??"]
[EventType "team"]
[EventRounds "4"]
[EventCountry "URU"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Be2 dxc4 7. a4 Bb4 8. Bxc4 Qa5 9. Bd2 Nd5 10. Ne4 Bxd2+ 11. Nfxd2 0-0 12. 0-0 Qc7 13. a5 Re8 14. Qe2 e5 15. dxe5 Nxe5 16. Bxd5 cxd5 17. Rfc1 Qe7 18. Nc3 Be6 19. Nb5 Rec8 20. e4 dxe4 21. Qxe4 Qg5 22. f4 Nf3+ 23. Nxf3 Qxb5 24. Ng5 Bf5 25. Qe7 Bg6 26. Qe5 Qb4 27. h3 Re8 28. Qd5 Rad8 29. Qc4 Rd1+ 0-1

