[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.18"]
[Round "13"]
[White "Erozbek, Akdogan"]
[Black "Olivera, Alfredo"]
[Result "1/2-1/2"]
[ECO "D55"]
[PlyCount "52"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Turkey"]
[BlackTeam "Uruguay"]
[WhiteTeamCountry "TUR"]
[BlackTeamCountry "URU"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 0-0 6. Nf3 Ne4 7. Bxe7 Qxe7 8. Nxe4 dxe4 9. Nd2 e5 10. d5 f5 11. Qc2 a5 12. Be2 Nd7 13. 0-0 Ra6 14. f3 exf3 15. Rxf3 e4 16. Rg3 Nc5 17. Nb3 Bd7 18. Nd4 f4 19. exf4 Rxf4 20. Qd2 Qe5 21. Qe3 Raf6 22. Rf1 Rxf1+ 23. Bxf1 h6 24. b3 b6 25. Rf3 Qd6 26. Rxf6 Qxf6 1/2-1/2

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.16"]
[Round "12"]
[White "Olivera, Alfredo"]
[Black "Ben Rehouma, Hachemi"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "103"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Uruguay"]
[BlackTeam "Tunisia"]
[WhiteTeamCountry "URU"]
[BlackTeamCountry "TUN"]

1. d4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 d5 6. Bg2 c6 7. 0-0 Bf5 8. Nbd2 Qc8 9. Re1 Re8 10. c4 a5 11. Rc1 Qd8 12. Nh4 Bc8 13. f4 a4 14. b4 a3 15. Bc3 dxc4 16. Nxc4 Nd5 17. e3 Nxc3 18. Rxc3 Be6 19. Qc2 Na6 20. Rb1 Nc7 21. Rxa3 Nd5 22. Rxa8 Qxa8 23. a4 b5 24. Bxd5 Bxd5 25. Nb6 Qb7 26. a5 e5 27. fxe5 f6 28. Nxd5 cxd5 29. Rc1 fxe5 30. dxe5 Bxe5 31. Qc6 Qf7 32. Nf3 Bb8 33. Ng5 Qe7 34. Qxd5+ Kg7 35. Rf1 Qxe3+ 36. Kg2 Kh6 37. Rf7 Qe2+ 38. Rf2 Qe3 39. Rf7 Qe2+ 40. Rf2 Qe3 41. Qxb5 Ba7 42. Rf4 Qe2+ 43. Qxe2 Rxe2+ 44. Kf3 Rxh2 45. Rh4+ Rxh4 46. gxh4 Kh5 47. b5 Bc5 48. Ne4 Bd4 49. Kg3 h6 50. a6 g5 51. hxg5 hxg5 52. Nf6+ 1-0

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.15"]
[Round "11"]
[White "Balinas, Rosendo Carrean"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "C05"]
[PlyCount "65"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Philippines"]
[BlackTeam "Uruguay"]
[WhiteTeamCountry "PHI"]
[BlackTeamCountry "URU"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Bb4+ 9. Kf2 f6 10. a3 Ba5 11. Bd3 fxe5 12. fxe5 0-0 13. Ne2 Bb6 14. Kg3 Ne7 15. h3 h6 16. Rf1 Bc7 17. Nf4 Nb6 18. Kh2 Bd7 19. Qc2 Rc8 20. Qb1 g5 21. Nh5 Be8 22. Ng3 Nc6 23. Be3 Nc4 24. Bxc4 dxc4 25. Nxg5 Qe7 26. Rxf8+ Kxf8 27. Nh7+ Kg7 28. Nf6 Kh8 29. Qe4 Qg7 30. Qh4 Nxe5 31. dxe5 Bxe5 32. Ng4 Bxg3+ 33. Qxg3 1-0

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.14"]
[Round "10"]
[White "Olivera, Alfredo"]
[Black "Feller, Joseph"]
[Result "1-0"]
[ECO "E74"]
[PlyCount "75"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Uruguay"]
[BlackTeam "Luxembourg"]
[WhiteTeamCountry "URU"]
[BlackTeamCountry "LUX"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 Nbd7 7. Qd2 c5 8. d5 a6 9. f4 Nb6 10. a4 Bd7 11. Nf3 Bg4 12. 0-0 Nfd7 13. a5 Nc8 14. h3 Bxf3 15. Bxf3 Bf6 16. Bxf6 exf6 17. Ne2 Ne7 18. Qc3 Qc7 19. Rfd1 Rae8 20. Nc1 Kg7 21. Nd3 Ng8 22. Re1 Re7 23. Re2 Rfe8 24. Rae1 h5 25. Kh1 Nh6 26. g4 hxg4 27. hxg4 Rh8 28. Rh2 Ree8 29. g5 Ng8 30. Rxh8 Kxh8 31. gxf6 Kh7 32. e5 Nh6 33. e6 Nf8 34. e7 Nd7 35. Nf2 b6 36. Kg2 Kg8 37. Rh1 Nf5 38. Ng4 1-0

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.13"]
[Round "9"]
[White "Zichichi, Alvise"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "69"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Italy"]
[BlackTeam "Uruguay"]
[WhiteTeamCountry "ITA"]
[BlackTeamCountry "URU"]

1. e4 c5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Nf6 5. d3 g6 6. f4 Bg7 7. Nf3 Bg4 8. h3 Bd7 9. 0-0 Qc8 10. Kh2 0-0 11. Ne2 b5 12. g4 a5 13. Ng3 a4 14. Rb1 b4 15. g5 Ne8 16. a3 Rb8 17. Be3 bxa3 18. bxa3 Rxb1 19. Qxb1 Nc7 20. f5 Qa6 21. Nd2 Rb8 22. Qd1 Bd4 23. Nc4 Ne5 24. Bxd4 cxd4 25. Nxe5 dxe5 26. Qf3 Be8 27. h4 Rb2 28. Rf2 Qc6 29. Bf1 Rxc2 30. Be2 Nb5 31. h5 Nc3 32. hxg6 hxg6 33. fxg6 Qxg6 34. Nf5 Kf8 35. Qh3 1-0

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.12"]
[Round "8"]
[White "Olivera, Alfredo"]
[Black "Benitez, Francisco Emilio"]
[Result "1-0"]
[ECO "D44"]
[PlyCount "67"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "Uruguay"]
[BlackTeam "Puerto Rico"]
[WhiteTeamCountry "URU"]
[BlackTeamCountry "PUR"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. exf6 Bb7 12. Be2 Qc7 13. h4 0-0-0 14. Qd2 Bb4 15. a3 Ba5 16. Bf3 Nc5 17. 0-0 Nb3 18. Qe3 Rxd4 19. Rad1 Bb6 20. Rxd4 Nxd4 21. Bf4 Qd8 22. Rd1 Rxh4 23. Ne4 Nxf3+ 24. Qxf3 Qxd1+ 25. Qxd1 Rxf4 26. Qe2 Kb8 27. g3 Rf5 28. Qg4 Rd5 29. Qg8+ Bc8 30. Qxf7 Rd4 31. Qg6 Rd1+ 32. Kh2 Rd8 33. f7 Bd4 34. Qg8 1-0

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.11"]
[Round "7"]
[White "Yepez Obando, Olavo"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "A18"]
[PlyCount "53"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Uruguay"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "URU"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. d4 b6 8. Nf3 Bb7 9. Be2 h6 10. 0-0 Bd6 11. Rb1 0-0 12. c5 Be7 13. Qc2 Nc6 14. Qe4 Na5 15. Qg4 Rad8 16. Bf4 Rc8 17. Ne5 Rfd8 18. Rfd1 Bf8 19. Qg3 Bd5 20. Ng4 Qg6 21. Bd3 f5 22. Nxh6+ Kh7 23. Nxf5 exf5 24. Qh3+ Kg8 25. Bxf5 Qf6 26. Be5 Qg5 27. f4 1-0

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.10"]
[Round "6"]
[White "Olivera, Alfredo"]
[Black "Kerr, Brian"]
[Result "1/2-1/2"]
[ECO "C14"]
[PlyCount "40"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Uruguay"]
[BlackTeam "Ireland"]
[WhiteTeamCountry "URU"]
[BlackTeamCountry "IRL"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 Bxg5 7. hxg5 Qxg5 8. Nh3 Qe7 9. Qg4 g6 10. 0-0-0 Nc6 11. f4 Nb6 12. Qg5 h5 13. Qg3 Bd7 14. Ng5 0-0-0 15. Qe1 Rdf8 16. g3 a6 17. Nf3 Na7 18. Kb1 Na4 19. Nxa4 Bxa4 20. Qa5 Bb5 1/2-1/2

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.08"]
[Round "5"]
[White "Ribeiro, Joao Mario"]
[Black "Olivera, Alfredo"]
[Result "1/2-1/2"]
[ECO "C07"]
[PlyCount "26"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Portugal"]
[BlackTeam "Uruguay"]
[WhiteTeamCountry "POR"]
[BlackTeamCountry "URU"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Bb5+ Nc6 5. Ngf3 a6 6. Bxc6+ bxc6 7. 0-0 cxd4 8. Nxd4 c5 9. N4f3 Nf6 10. exd5 exd5 11. c4 d4 12. Ne5 Be7 13. Qf3 Ra7 1/2-1/2

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.07"]
[Round "4"]
[White "Olivera, Alfredo"]
[Black "Zorigt, Damdzinhav"]
[Result "0-1"]
[ECO "D29"]
[PlyCount "38"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Uruguay"]
[BlackTeam "Mongolia"]
[WhiteTeamCountry "URU"]
[BlackTeamCountry "MGL"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. Qe2 b5 8. Bb3 Be7 9. a4 b4 10. Rd1 Nbd7 11. e4 cxd4 12. Nxd4 Bb7 13. e5 Nd5 14. Nf5 0-0 15. Nxe7+ Qxe7 16. Be3 Nxe5 17. Bxd5 Bxd5 18. Bd4 Qg5 19. f4 Nf3+ 0-1

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.06"]
[Round "3"]
[White "Anastasopoulos, Anastasios"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "A05"]
[PlyCount "129"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Greece"]
[BlackTeam "Uruguay"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "URU"]

1. e4 d6 2. d3 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nf6 7. Nbd2 Bg4 8. h3 Bd7 9. a4 Qc8 10. Kh2 0-0 11. Nc4 Ne8 12. c3 f5 13. Rb1 Nf6 14. Qb3 fxe4 15. dxe4 Be6 16. Nfd2 Na5 17. Qa2 Nxc4 18. Nxc4 Nd7 19. Bf4 g5 20. Bxd6 Ne5 21. b3 Nf3+ 22. Bxf3 Rxf3 23. Qe2 Rf7 24. Qh5 Bxc3 25. Ne3 Qc6 26. Nf5 Bxf5 27. exf5 Rxf5 28. Qg4 Qf3 29. Bxe7 Qxg4 30. hxg4 Rd5 31. Rbd1 Bd4 32. Bf6 Re8 33. Kg2 Kf7 34. Bxd4 cxd4 35. Rd3 Rc8 36. Rfd1 Rc3 37. Kf3 Ke6 38. Ke4 b5 39. f4 Rdc5 40. Kxd4 Rc2 41. Ke4 Re2+ 42. Kf3 Rb2 43. Rd6+ Ke7 44. R6d3 bxa4 45. Re1+ Kf7 46. bxa4 Rb7 47. Re4 gxf4 48. gxf4 Rc1 49. g5 a5 50. Re5 h5 51. gxh6 Kg6 52. Rd6+ Kh7 53. Kg4 Rf7 54. Rxa5 Rc3 55. f5 Rf8 56. Ra7+ Kh8 57. Kf4 Rc4+ 58. Kg5 Rg8+ 59. Kf6 Rf8+ 60. Rf7 Ra8 61. a5 Rg4 62. a6 Rg3 63. a7 Ra3 64. Rdd7 Ra6+ 65. Kg5 1-0

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.05"]
[Round "2"]
[White "Olivera, Alfredo"]
[Black "Jimenez Rojas, Hector"]
[Result "1-0"]
[ECO "C84"]
[PlyCount "73"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Uruguay"]
[BlackTeam "Chile"]
[WhiteTeamCountry "URU"]
[BlackTeamCountry "CHI"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. d4 exd4 8. e5 Ne4 9. Bd5 Nc5 10. Nxd4 Bb7 11. Nf5 Ne6 12. Bxe6 dxe6 13. Nxg7+ Kf8 14. Bh6 Qxd1 15. Rxd1 Kg8 16. Nh5 Nxe5 17. Nc3 f6 18. Bg7 Kf7 19. Bxh8 Rxh8 20. f4 Nc4 21. Rd7 Rc8 22. f5 Ne5 23. fxe6+ Kxe6 24. Rd2 Bc5+ 25. Kh1 Bb4 26. Rf1 Rf8 27. Rdf2 Be7 28. Nf4+ Kd6 29. Rd2+ Kc6 30. Ne6 Re8 31. b3 Bc8 32. Nd4+ Kc5 33. Ne4+ Kb6 34. Nxf6 Rd8 35. Nf3 Bxf6 36. Rxd8 Bxd8 37. Nxe5 1-0

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.04"]
[Round "1"]
[White "Olivera, Alfredo"]
[Black "Villarroel, Geber"]
[Result "1-0"]
[ECO "E19"]
[PlyCount "53"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Uruguay"]
[BlackTeam "Venezuela"]
[WhiteTeamCountry "URU"]
[BlackTeamCountry "VEN"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b4 Bf6 11. a4 c5 12. bxc5 bxc5 13. Ba3 Na6 14. e3 d6 15. Rfd1 Rb8 16. Ne1 Qc7 17. Rab1 Rfc8 18. Bxb7 Rxb7 19. Rb5 cxd4 20. exd4 Rxb5 21. axb5 Nb8 22. Qe3 e5 23. dxe5 dxe5 24. c5 Nd7 25. Qb3+ Kh8 26. c6 Nb8 27. Bd6 1-0

[Event "Olympiad-17 Preliminaries A"]
[Site "Havana"]
[Date "1966.11.03"]
[Round "7"]
[White "Roth, Rolf"]
[Black "Olivera, Alfredo"]
[Result "1/2-1/2"]
[ECO "A08"]
[PlyCount "42"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Uruguay"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "URU"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. 0-0 e5 5. d3 Bd6 6. Nbd2 f5 7. e4 fxe4 8. dxe4 d4 9. c3 Nf6 10. Nc4 0-0 11. Qe2 Bg4 12. h3 Bh5 13. a4 Bc7 14. Rd1 h6 15. g4 Bf7 16. b3 Nd7 17. Ba3 Be6 18. b4 cxb4 19. cxb4 Rf7 20. b5 Na5 21. Ncd2 Nf8 1/2-1/2

[Event "Olympiad-17 Preliminaries A"]
[Site "Havana"]
[Date "1966.10.31"]
[Round "6"]
[White "Olivera, Alfredo"]
[Black "Donne, Pol"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "121"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Uruguay"]
[BlackTeam "Monaco"]
[WhiteTeamCountry "URU"]
[BlackTeamCountry "MNC"]

1. e4 d6 2. d4 Nd7 3. Nf3 e5 4. d5 Ngf6 5. Nc3 Be7 6. g3 0-0 7. Bg2 Nc5 8. Nd2 Bg4 9. f3 Bd7 10. Nc4 Ne8 11. Be3 b6 12. b4 Na6 13. Rb1 f5 14. Qd3 Qc8 15. 0-0 Nf6 16. a3 fxe4 17. Nxe4 Bf5 18. Ncd2 c5 19. dxc6 Nc7 20. c4 Ne6 21. f4 Ng4 22. fxe5 dxe5 23. Rbe1 Kh8 24. Rxf5 Rxf5 25. Nd6 Bxd6 26. Qxf5 Nxe3 27. Rxe3 Nd4 28. Qxc8+ Rxc8 29. Ne4 Rxc6 30. Nxd6 Rxd6 31. Rxe5 h6 32. Re7 a6 33. Re8+ Kh7 34. Be4+ g6 35. Re7+ Kh8 36. Kf2 Re6 37. Rxe6 Nxe6 38. Bxg6 Kg7 39. Be4 Kf6 40. Ke3 Ke5 41. Bb7 a5 42. Kd3 Nd4 43. bxa5 bxa5 44. c5 Nb5 45. Ba6 Nc7 46. Bc4 Ne8 47. Bf7 Nc7 48. Kc4 Kf6 49. Bh5 Ke5 50. Bf3 Ne6 51. Kb5 Nd4+ 52. Kb6 Nxf3 53. c6 Nd2 54. Kb7 Nc4 55. c7 Nd6+ 56. Kb8 Ke4 57. c8Q Nxc8 58. Kxc8 Kf3 59. a4 Kg2 60. Kb7 Kxh2 61. Kb6 0-1

[Event "Olympiad-17 Preliminaries A"]
[Site "Havana"]
[Date "1966.10.30"]
[Round "5"]
[White "Tal, Mihail"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "47"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Soviet Union"]
[BlackTeam "Uruguay"]
[WhiteTeamCountry "URS"]
[BlackTeamCountry "URU"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 Bg4 9. h3 Bh5 10. d4 Bxf3 11. Qxf3 exd4 12. Qg3 Kf8 13. Qd3 dxc3 14. Nxc3 Ne5 15. Qe2 c5 16. Be3 b4 17. Nd5 Nxd5 18. Bxd5 Ra7 19. Rad1 g5 20. Qh5 Bf6 21. f4 gxf4 22. Bxf7 Rg8 23. Rf1 Rg6 24. Qxh7 1-0

[Event "Olympiad-17 Preliminaries A"]
[Site "Havana"]
[Date "1966.10.29"]
[Round "4"]
[White "Olivera, Alfredo"]
[Black "Jansson, Borje"]
[Result "0-1"]
[ECO "B34"]
[PlyCount "50"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Uruguay"]
[BlackTeam "Sweden"]
[WhiteTeamCountry "URU"]
[BlackTeamCountry "SWE"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6 bxc6 6. Qd4 f6 7. c4 Bg7 8. Nc3 Nh6 9. c5 Nf7 10. h4 Rb8 11. Bc4 Ne5 12. Be2 f5 13. Qa4 Qc7 14. exf5 gxf5 15. Rh3 0-0 16. Rg3 f4 17. Rg5 d5 18. cxd6 Qxd6 19. Kf1 Rb4 20. Qxa7 f3 21. gxf3 Rxh4 22. Ne4 Qe6 23. Rg3 Qf7 24. Qd4 Kh8 25. Be3 Rh1+ 0-1

[Event "Olympiad-17 Preliminaries A"]
[Site "Havana"]
[Date "1966.10.27"]
[Round "2"]
[White "Olivera, Alfredo"]
[Black "Calvo Minguez, Ricardo"]
[Result "0-1"]
[ECO "E67"]
[PlyCount "46"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Uruguay"]
[BlackTeam "Spain"]
[WhiteTeamCountry "URU"]
[BlackTeamCountry "ESP"]

1. d4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 d6 6. Bg2 Nbd7 7. 0-0 c6 8. c4 a5 9. Nc3 e5 10. Qc2 exd4 11. Nxd4 Nc5 12. Rad1 Qb6 13. Ba3 Re8 14. Nxc6 bxc6 15. Rxd6 Bf5 16. Rxc6 Qxc6 17. Bxc6 Bxc2 18. Bxa8 Rxa8 19. Bxc5 Nd7 20. Na4 Nxc5 21. Nxc5 Rd8 22. Nb7 Rd2 23. e3 Be4 0-1

[Event "Olympiad-17 Preliminaries A"]
[Site "Havana"]
[Date "1966.10.26"]
[Round "1"]
[White "Fung, Yee Wang"]
[Black "Olivera, Alfredo"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "38"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Hong Kong"]
[BlackTeam "Uruguay"]
[WhiteTeamCountry "HKG"]
[BlackTeamCountry "URU"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Nc3 Ne7 6. Be2 c6 7. 0-0 0-0 8. Re1 Qc7 9. h3 Ng6 10. Bd3 Nf4 11. Ne2 Nd7 12. Bxf4 Bxf4 13. Nxf4 Qxf4 14. Qd2 Qxd2 15. Nxd2 Nf6 16. Re7 Bd7 17. Rae1 Rfe8 18. Rxe8+ Rxe8 19. Rxe8+ Nxe8 1/2-1/2

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.08.03"]
[Round "17"]
[White "Olivera, Alfredo"]
[Black "Bolbochan, Julio"]
[Result "0-1"]
[ECO "B95"]
[PlyCount "78"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. g3 b5 8. Bg2 Bb7 9. 0-0 Qc7 10. Bxf6 gxf6 11. Qh5 Qc5 12. e5 Qxd4 13. Bxb7 Ra7 14. Bg2 fxe5 15. a4 b4 16. Rad1 Qb6 17. Ne4 Nd7 18. a5 Qc7 19. f4 d5 20. fxe5 Qxe5 21. Nf6+ Kd8 22. Qxe5 Nxe5 23. Bxd5 Bc5+ 24. Kh1 Ke7 25. Bb3 h6 26. Ne4 Rc7 27. Nxc5 Rxc5 28. Rf4 Rb8 29. Rdd4 Rxa5 30. Rxb4 Ra1+ 31. Kg2 Rxb4 32. Rxb4 a5 33. Rh4 Kd6 34. Ba4 Ra2 35. Bb3 Rxb2 36. Rxh6 Nd7 37. Kg1 Nc5 38. Rf6 a4 39. Rxf7 Nxb3 0-1

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.08.01"]
[Round "16"]
[White "Schweber, Samuel"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "149"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nd7 3. Bg2 e5 4. 0-0 Bd6 5. d3 Ne7 6. e4 dxe4 7. dxe4 Nc5 8. Nc3 0-0 9. Be3 Ng6 10. Nd2 Be6 11. Qe2 c6 12. Rfd1 Qc7 13. Nb3 Nd7 14. Na4 Rfd8 15. f3 Be7 16. Qf2 h5 17. Bf1 h4 18. c4 hxg3 19. hxg3 b6 20. Nc3 Ndf8 21. Rxd8 Rxd8 22. Rd1 Nh7 23. Rxd8+ Qxd8 24. Qd2 Qxd2 25. Nxd2 Bg5 26. Kf2 Kf8 27. a4 Bxe3+ 28. Kxe3 Nf6 29. a5 Ne7 30. axb6 axb6 31. Na4 Nc8 32. b4 Ke7 33. f4 Ng4+ 34. Ke2 f5 35. exf5 Bxf5 36. Bg2 b5 37. cxb5 cxb5 38. Nc3 Na7 39. Nf3 exf4 40. gxf4 Be6 41. Nd4 Bd7 42. Kf3 Nh2+ 43. Kg3 Ng4 44. Ndxb5 Nxb5 45. Nxb5 Ne3 46. Nc3 Kd6 47. Be4 Nc4 48. Kh4 Ke7 49. Kg5 Be8 50. Bd3 Nb6 51. Bc2 Bf7 52. Be4 Kd6 53. Nb5+ Ke7 54. Nd4 Bd5 55. Bd3 Kf8 56. Kf5 Bg8 57. Ke5 Nc4+ 58. Bxc4 Bxc4 59. Nf5 Bd3 60. Nd6 Ke7 61. b5 Kd7 62. Kd5 Kc7 63. Nc4 Be2 64. Kc5 Bd3 65. Nd6 g6 66. b6+ Kb8 67. Kc6 Be2 68. Kd5 Bd3 69. Ne4 Bc2 70. Nc5 Bd1 71. Ke5 Bc2 72. Kd4 Bf5 73. Kd5 Bc2 74. Kc6 Ka8 75. Kc7 1-0

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.31"]
[Round "15"]
[White "Olivera, Alfredo"]
[Black "Keres, Paul"]
[Result "0-1"]
[ECO "C77"]
[PlyCount "66"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 d6 6. d4 exd4 7. Bxc6+ bxc6 8. Nxd4 c5 9. Nde2 Bb7 10. 0-0 Be7 11. Ng3 0-0 12. Nf5 Nd7 13. Qg4 Bf6 14. Bd2 Re8 15. Rae1 Ne5 16. Qg3 Kh8 17. Nd5 Bxd5 18. exd5 Qd7 19. Ne3 Ng6 20. Nc4 Qf5 21. Ne3 Qh5 22. b3 Re4 23. Qf3 Qxf3 24. gxf3 Re5 25. Ba5 Nh4 26. f4 Nf3+ 27. Kh1 Rh5 28. Ng4 Nxe1 29. Nxf6 gxf6 30. Rxe1 Rxd5 31. Bc3 Kg7 32. Rg1+ Kf8 33. Bxf6 Re8 0-1

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.29"]
[Round "14"]
[White "Guimard, Carlos Enrique"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "E69"]
[PlyCount "69"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. g3 d6 6. Bg2 Nbd7 7. 0-0 e5 8. e4 c6 9. h3 exd4 10. Nxd4 Nc5 11. Be3 Re8 12. Qc2 a5 13. Rad1 Qe7 14. Rfe1 a4 15. Bf4 Nfd7 16. Ndb5 cxb5 17. Bxd6 Qf6 18. Nxb5 Na6 19. Ba3 Ne5 20. f4 Nc6 21. e5 Nxe5 22. fxe5 Qg5 23. Nd6 Rxe5 24. Qf2 Rxe1+ 25. Rxe1 Be6 26. Rxe6 fxe6 27. Qf7+ Kh8 28. Kh2 Be5 29. Ne4 Qe3 30. Be7 Rb8 31. Bf6+ Bxf6 32. Qxf6+ Kg8 33. Qxe6+ Kg7 34. Qf6+ Kh6 35. Nd6 1-0

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.28"]
[Round "13"]
[White "Olivera, Alfredo"]
[Black "Filip, Miroslav"]
[Result "1-0"]
[ECO "B41"]
[PlyCount "91"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be2 Be7 8. 0-0 0-0 9. Kh1 d6 10. f4 Nbd7 11. Qe1 Kh8 12. b3 Nc5 13. Bf3 Nd3 14. Qe2 Nxc1 15. Raxc1 Nd7 16. Rfd1 Re8 17. g4 Nf8 18. Qg2 Ng6 19. Nde2 Nh4 20. Qg3 b6 21. g5 Nxf3 22. Qxf3 Bb7 23. Qh5 g6 24. Qh6 f5 25. gxf6 Bxf6 26. Rd3 Rac8 27. Rg1 Rg8 28. Qh3 Qe7 29. Qe3 b5 30. Rgd1 bxc4 31. Rxd6 Rg7 32. Qb6 Qf8 33. bxc4 Ba8 34. Rxe6 Be7 35. Qd4 Qf7 36. Qe5 Bf8 37. Nd5 g5 38. Ng3 Rxc4 39. Rf6 Qg8 40. Nb6 gxf4 41. Nxc4 fxg3 42. Nd6 Rg5 43. Rxf8+ Rxe5 44. Nf7+ Kg7 45. Rxg8+ Kxg8 46. Nxe5 1-0

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.25"]
[Round "12"]
[White "Wexler, Bernardo"]
[Black "Olivera, Alfredo"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "48"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nxc6 bxc6 7. c4 Bb4+ 8. Nd2 Qa5 9. 0-0 Be6 10. cxd5 cxd5 11. Nc4 Qa6 12. Nxe5 Ne7 13. Nd3 Bd6 14. Nf4 Rd8 15. Nxe6 fxe6 16. e4 0-0 17. Qg4 Bc5 18. Bh3 Rf6 19. Bg5 Rg6 20. Qh4 Re8 21. Bg4 h6 22. Be3 Bxe3 23. fxe3 Rg5 24. Bh5 Ng6 1/2-1/2

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.24"]
[Round "11"]
[White "Olivera, Alfredo"]
[Black "Byrne, Robert Eugene"]
[Result "0-1"]
[ECO "C16"]
[PlyCount "72"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 b6 7. Qg4 Ng6 8. h4 h5 9. Qg3 Ba6 10. Ne2 Rh7 11. a4 Qc8 12. Ba3 c5 13. dxc5 bxc5 14. Qe3 Nd7 15. f4 Qc6 16. Qd2 Rh8 17. g3 Ne7 18. Bh3 Nb6 19. Kf2 g6 20. Qe3 Rc8 21. Rhe1 Nc4 22. Qc1 Nf5 23. Ng1 Qb6 24. Bf1 Nh6 25. Bxc4 Ng4+ 26. Kg2 Bxc4 27. Qd2 Qc6 28. Nf3 d4 29. cxd4 Bd5 30. Rf1 cxd4 31. Qb4 Rc7 32. Rad1 Bxf3+ 33. Rxf3 Ne3+ 34. Kh2 Nxd1 35. Rd3 Nf2 36. Qb8+ Rc8 0-1

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.22"]
[Round "10"]
[White "Foguelman, Alberto"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "D55"]
[PlyCount "55"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bg5 0-0 6. e3 Ne4 7. Bxe7 Qxe7 8. Qb3 c6 9. Nxe4 dxe4 10. Nd2 e5 11. d5 f5 12. d6 Qf6 13. c5+ Kh8 14. 0-0-0 Nd7 15. Qa3 b6 16. cxb6 Nxb6 17. f3 exf3 18. gxf3 Be6 19. e4 f4 20. Nb3 Bxb3 21. axb3 Rfd8 22. Kb1 Nc8 23. d7 Nb6 24. Bh3 Qh4 25. Bg4 Rab8 26. Qc5 a5 27. Qxa5 Qe7 28. Rd3 1-0

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.21"]
[Round "9"]
[White "Olivera, Alfredo"]
[Black "Rossetto, Hector"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "118"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. f4 exf4 5. Bxf4 Ng6 6. Bg3 Nf6 7. Nc3 Bb4 8. Qd4 Bxc3+ 9. bxc3 d6 10. Bb5+ Bd7 11. Bd3 0-0 12. Nf3 Nh5 13. Bf2 Bg4 14. h3 Bxf3 15. gxf3 Ne5 16. 0-0-0 Nxf3 17. Qe3 Ne5 18. Be2 Nf6 19. Rdg1 Nfd7 20. h4 Kh8 21. h5 c5 22. Bh4 f6 23. Rg2 Qe7 24. Rhg1 Rg8 25. Qh3 Rae8 26. Qf5 a6 27. c4 Ref8 28. Qe6 Re8 29. Qf5 Qd8 30. Qh3 Qa5 31. Qb3 Qb4 32. Be1 Qxb3 33. axb3 h6 34. Rg3 Re7 35. Ba5 b6 36. Bd2 Rc8 37. Kb2 a5 38. Bf1 Rce8 39. Bh3 Nb8 40. Be6 Na6 41. Bc3 Nc7 42. Bf5 Ra8 43. Bxe5 fxe5 44. Rg6 Ne8 45. Re6 Rxe6 46. dxe6 Kg8 47. Bg6 Kf8 48. e7+ Kxe7 49. Bxe8 Rxe8 50. Rxg7+ Ke6 51. Rg6+ Kd7 52. Rxh6 Rf8 53. Rh7+ Kc6 54. h6 b5 55. Rg7 Rf3 56. Rg8 Rh3 57. Rh8 bxc4 58. bxc4 a4 59. h7 Kb7 1/2-1/2

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.19"]
[Round "8"]
[White "Najdorf, Miguel"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "A99"]
[PlyCount "39"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. c4 d6 7. b3 a5 8. Nc3 Qe8 9. Bb2 Nc6 10. d5 Ne5 11. dxe6 Nxf3+ 12. exf3 Bxe6 13. f4 Qf7 14. Nb5 Bd8 15. Bxb7 Rb8 16. Bg2 Kh8 17. Re1 a4 18. Nd4 Bxc4 19. Nc6 Rb5 20. Nxd8 1-0

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.18"]
[Round "7"]
[White "Olivera, Alfredo"]
[Black "Letelier Martner, Rene"]
[Result "0-1"]
[ECO "E76"]
[PlyCount "100"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 0-0 7. Nf3 e5 8. fxe5 dxe5 9. Bg5 h6 10. Bh4 g5 11. Bg3 Nh5 12. Bxe5 g4 13. Bxg7 Kxg7 14. g3 gxf3 15. Qxf3 Qg5 16. Be2 Nf6 17. h4 Qe5 18. Qf4 Re8 19. Rf1 Bh3 20. Qxe5 Rxe5 21. Rf4 Nbd7 22. 0-0-0 Rae8 23. Bf3 Nf8 24. h5 Bd7 25. Rf1 N6h7 26. Bg2 f6 27. g4 a6 28. a4 b6 29. R1f2 Rb8 30. Bf1 Bc8 31. Bd3 Rb7 32. Nb1 Bd7 33. Nc3 Be8 34. Kc2 Rf7 35. Rf1 a5 36. b3 Ng5 37. Nd1 Nfh7 38. Nf2 Rfe7 39. Re1 Nf7 40. Bf1 Nd6 41. Bg2 Bf7 42. Nd3 Rg5 43. Bf3 Nf8 44. Kd2 Nd7 45. Nf2 Bg8 46. Re2 Re8 47. Re1 Rge5 48. Nd3 R5e7 49. Nf2 Bh7 50. Re2 Ne5 0-1

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.17"]
[Round "6"]
[White "Garcia, Raimundo"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "A09"]
[PlyCount "47"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. 0-0 e5 5. d3 Bd6 6. c4 d4 7. e3 Bg4 8. h3 Bh5 9. exd4 exd4 10. Nbd2 f5 11. Re1+ Nge7 12. g4 fxg4 13. Ng5 0-0 14. hxg4 Bf7 15. Nde4 Bc7 16. f4 Ng6 17. Nxf7 Rxf7 18. Ng5 h6 19. Nxf7 Kxf7 20. Bd5+ Kf8 21. Qf3 Qh4 22. Bd2 Nb4 23. Re6 Nxd5 24. cxd5 1-0

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.15"]
[Round "5"]
[White "Olivera, Alfredo"]
[Black "Pilnik, Hermann"]
[Result "0-1"]
[ECO "E60"]
[PlyCount "50"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. b3 e5 7. dxe5 Ng4 8. Bb2 Nc6 9. 0-0 a5 10. Nc3 Ngxe5 11. Nxe5 Nxe5 12. Qd2 a4 13. Rad1 axb3 14. axb3 Be6 15. Ra1 Rb8 16. f4 Ng4 17. h3 Nf6 18. g4 Bd7 19. Rad1 b5 20. g5 Nh5 21. c5 Be6 22. cxd6 Qxd6 23. Qxd6 cxd6 24. Rxd6 Ng3 25. Ra1 Bxc3 0-1

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.14"]
[Round "4"]
[White "Bielicki, Carlos"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "D37"]
[PlyCount "85"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. e3 Ne4 6. Bd3 f5 7. Qc2 c6 8. 0-0 Nd7 9. Ne2 Bd6 10. Ne1 0-0 11. f3 Ndf6 12. Qb3 Qe8 13. g3 Qh5 14. Nf4 Qh6 15. fxe4 fxe4 16. Be2 g5 17. Nfg2 Qh3 18. Bd2 a5 19. c5 Bc7 20. Rf2 Kg7 21. Nc2 a4 22. Qb4 Rb8 23. Qxa4 Bd7 24. Raf1 h5 25. Ba5 Ra8 26. Bxc7 Rxa4 27. Be5 Rxa2 28. Rxf6 Rxf6 29. Rxf6 Rxb2 30. Rf5+ Kg6 31. Rf6+ Kh7 32. Nge1 Be8 33. Rf8 Bd7 34. Rf7+ Kg8 35. Rxd7 Kf8 36. Rd8+ Kf7 37. Rh8 b5 38. cxb6 Rxb6 39. Rh7+ Kf8 40. Rh8+ Kf7 41. Bxh5+ Ke7 42. Rh7+ Kf8 43. Bf6 1-0

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.11"]
[Round "3"]
[White "Olivera, Alfredo"]
[Black "Rubinetti, Jorge Alberto"]
[Result "0-1"]
[ECO "E74"]
[PlyCount "90"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 a6 8. Qd2 e6 9. dxe6 Bxe6 10. Nf3 Nc6 11. 0-0 Bg4 12. Qf4 Bxf3 13. Bxf3 Nd4 14. Qh4 Ne6 15. Bh6 Bxh6 16. Qxh6 Nd4 17. Qf4 Re8 18. Rad1 Re5 19. Rd2 Qe7 20. Rfd1 b5 21. Ne2 g5 22. Qe3 g4 23. Nxd4 cxd4 24. Qxd4 gxf3 25. gxf3 Rg5+ 26. Kh1 Ne8 27. f4 Rg7 28. Rg1 Rxg1+ 29. Kxg1 bxc4 30. Qxc4 Qe6 31. Rd5 h6 32. f5 Qd7 33. Rd3 Rc8 34. Qxa6 Rc1+ 35. Kg2 Qe7 36. Qa8 Kh7 37. Rg3 Rc4 38. a4 Rxe4 39. a5 Nf6 40. a6 Ra4 41. Qc6 Qd7 42. Qa8 Qxf5 43. Qf8 Qe4+ 44. f3 Qc2+ 45. Kh1 Qd1+ 0-1

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.10"]
[Round "2"]
[White "Petrosian, Tigran V"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "D37"]
[PlyCount "133"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 0-0 6. e3 c5 7. dxc5 Bxc5 8. a3 dxc4 9. Bxc4 Qxd1+ 10. Rxd1 a6 11. Bd3 Nbd7 12. Nd2 b5 13. Nde4 Bb7 14. f3 Nd5 15. Nxd5 Bxd5 16. Ke2 f5 17. Nc3 Bb3 18. Rc1 Be7 19. Nb1 Nc5 20. Nd2 Bd5 21. Be5 Rfd8 22. Bc2 Rac8 23. Rhd1 Nd7 24. Bd4 e5 25. Bc3 g6 26. Bb3 Nc5 27. Bxd5+ Rxd5 28. e4 Rd7 29. Bb4 Rdc7 30. Bxc5 Rxc5 31. Rxc5 Rxc5 32. Nb3 Rc2+ 33. Rd2 Rxd2+ 34. Kxd2 Kf7 35. Kc3 Ke6 36. Nc1 fxe4 37. fxe4 Bc5 38. Nd3 Kd6 39. Kb3 Be3 40. a4 Bd2 41. Kc2 Ba5 42. b3 Bb6 43. Kd2 Bd8 44. Ke2 Ba5 45. Kd1 Bc3 46. Kc1 Ba5 47. Kc2 Bd8 48. axb5 axb5 49. Ne1 Kc5 50. Nf3 Bc7 51. Ng5 Bd6 52. Kc3 Be7 53. Nf3 Bd8 54. h3 Be7 55. Ne1 Bd6 56. g3 Kb6 57. Nf3 Be7 58. Nxe5 Bf6 59. Kd4 Ka5 60. Kd5 Kb4 61. Nc6+ Kxb3 62. e5 Bg5 63. h4 Bc1 64. Nd4+ Ka4 65. Kc6 g5 66. e6 Ba3 67. h5 1-0

[Event "Buenos Aires International"]
[Site "Buenos Aires"]
[Date "1964.07.09"]
[Round "1"]
[White "Olivera, Alfredo"]
[Black "Eliskases, Erich Gottlieb"]
[Result "1/2-1/2"]
[ECO "E24"]
[PlyCount "59"]
[EventDate "1964.07.09"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Nf3 Qa5 7. Bd2 Ne4 8. e3 Nc6 9. Bd3 Nxd2 10. Qxd2 b6 11. d5 Nd8 12. 0-0 exd5 13. cxd5 Ba6 14. Rfd1 Nb7 15. e4 Bxd3 16. Qxd3 Qa4 17. c4 0-0 18. e5 f6 19. Re1 Na5 20. Rac1 fxe5 21. Ng5 g6 22. Rxe5 Qb3 23. Qe4 Qb2 24. Rf1 Qd4 25. Qxd4 cxd4 26. Re7 Nxc4 27. Rxd7 Rad8 28. Rc7 Rxd5 29. Rxc4 Rxg5 30. Rxd4 1/2-1/2

[Event "URU-ch sf1"]
[Site "Uruguay"]
[Date "1961.??.??"]
[Round "?"]
[White "Bachini, Antonio"]
[Black "Olivera, Alfredo"]
[Result "1/2-1/2"]
[ECO "C24"]
[PlyCount "118"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "URU"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 d5 4. exd5 Nxd5 5. Nf3 Nc6 6. 0-0 Nb6 7. Bb3 Bg4 8. Re1 Bd6 9. Nxe5 Nxe5 10. Qxg4 0-0 11. Qh5 Nbd7 12. Bg5 Nf6 13. Bxf6 Qxf6 14. Nc3 Ng6 15. Re3 Nf4 16. Qf3 Qh6 17. h3 Ne6 18. Qg4 Qf4 19. Qxf4 Nxf4 20. Rae1 Ng6 21. g3 Bc5 22. Re4 c6 23. Kg2 Rfd8 24. Ne2 Kf8 25. d4 f5 26. Rf4 Nxf4+ 27. Nxf4 Bd6 28. Ne6+ Ke7 29. Nxd8+ Kxd8 30. Bg8 h6 31. Bh7 f4 32. Bg6 Kd7 33. g4 Rf8 34. Kf3 Rf6 35. Bf5+ Kd8 36. c4 g6 37. Bc2 Bb4 38. Re4 Bd2 39. h4 Bc1 40. b3 Bb2 41. Rxf4 Bxd4 42. Bxg6 Rxf4+ 43. Kxf4 Bxf2 44. g5 hxg5+ 45. hxg5 b5 46. Bd3 bxc4 47. Bxc4 Ke7 48. Kf5 Bd4 49. Ba6 Be3 50. Bb7 c5 51. Ba6 Bd2 52. a4 Kf7 53. g6+ Kg7 54. Ke6 Kxg6 55. Kd6 Be3 56. Kc6 Kf6 57. Bc4 a5 58. Kb6 Bd2 59. Kxc5 Bb4+ 1/2-1/2

[Event "URU-ch sf1"]
[Site "Uruguay"]
[Date "1961.??.??"]
[Round "?"]
[White "Martin, L."]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "C07"]
[PlyCount "93"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "URU"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 7. Nxc6 Bxc6 8. Qe2 Qb6 9. a4 a6 10. Bxc6+ bxc6 11. 0-0 Nf6 12. c3 a5 13. Kh1 Qa6 14. c4 Bb4 15. exd5 cxd5 16. b3 Rc8 17. Bb2 0-0 18. Bxf6 gxf6 19. Rfc1 Bxd2 20. Qxd2 dxc4 21. Rc3 Rc5 22. Rg3+ Rg5 23. Rxg5+ fxg5 24. Qxg5+ Kh8 25. Qf6+ Kg8 26. bxc4 Qxc4 27. h3 Rc8 28. Qg5+ Kf8 29. Qxa5 Qd4 30. Qe1 Rc2 31. a5 Re2 32. Qg1 Qd5 33. a6 Ra2 34. a7 Qa5 35. Rxa2 Qxa2 36. f4 Qa3 37. Qd4 Ke7 38. Kh2 h5 39. Qb6 h4 40. Qc7+ Kf6 41. Qd8+ Kf5 42. Qg5+ Ke4 43. Qe5+ Kd3 44. Qb5+ Kd2 45. Qb6 Ke2 46. Qd4 Kf1 47. Qd1+ 1-0

[Event "URU-ch sf1"]
[Site "Uruguay"]
[Date "1961.??.??"]
[Round "?"]
[White "Olivera, Alfredo"]
[Black "Alvarez, J."]
[Result "1-0"]
[ECO "D05"]
[PlyCount "63"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "URU"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Nbd2 Nbd7 5. Bd3 Bd6 6. 0-0 e5 7. e4 0-0 8. exd5 exd4 9. Ne4 Nxe4 10. Bxe4 f5 11. Bd3 Ne5 12. Nxe5 Bxe5 13. Re1 Qd6 14. h3 Bd7 15. Bc4 f4 16. Qf3 Kh8 17. Bd2 Rae8 18. Re2 Bf5 19. a3 c5 20. dxc6 bxc6 21. Bd3 Bd7 22. Rae1 g6 23. b4 Rf7 24. c3 Rff8 25. cxd4 Bxd4 26. Rxe8 Bxe8 27. Bc4 c5 28. Re6 Qc7 29. Qe4 Bd7 30. Re7 Bf6 31. Bb5 Bxe7 32. Qxe7 1-0

[Event "URU-ch sf1"]
[Site "Uruguay"]
[Date "1961.??.??"]
[Round "?"]
[White "Olivera, Alfredo"]
[Black "Elemberg, Norberto"]
[Result "1-0"]
[ECO "E73"]
[PlyCount "41"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "URU"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 h6 7. Bf4 Nfd7 8. Qd2 Kh7 9. h4 e5 10. dxe5 dxe5 11. Be3 Nf6 12. 0-0-0 Qxd2+ 13. Rxd2 Nc6 14. f4 Ng4 15. Bc5 Rd8 16. Nd5 Be6 17. Nh3 b6 18. Bg1 Rd7 19. h5 Rad8 20. hxg6+ fxg6 21. Ng5+ 1-0

[Event "URU-ch sf1"]
[Site "Uruguay"]
[Date "1961.??.??"]
[Round "?"]
[White "Olivera, Alfredo"]
[Black "Ruggiero, Alvaro"]
[Result "1-0"]
[ECO "E39"]
[PlyCount "71"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "URU"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 c5 7. dxc5 Ne4 8. Qe3 d5 9. cxd6 Nxd6 10. b3 Nc6 11. Bb2 Nf5 12. Qc3 Qg5 13. Nf3 Qh6 14. g4 Nd6 15. g5 Qg6 16. Rg1 Ne4 17. Qc2 Nd6 18. Qc3 Ne8 19. 0-0-0 b5 20. cxb5 Ne7 21. Ne5 Qf5 22. Bh3 Qf4+ 23. e3 Qh4 24. Bg2 Nd5 25. Qd4 Qxd4 26. Rxd4 Nd6 27. Bxd5 exd5 28. Rxd5 Nf5 29. Nd7 Bxd7 30. Rxd7 Rab8 31. Rxa7 Rxb5 32. b4 Nd6 33. h4 Ne4 34. f4 Rc8+ 35. Kd1 Rd5+ 36. Bd4 1-0

[Event "URU-ch sf1"]
[Site "Uruguay"]
[Date "1961.??.??"]
[Round "?"]
[White "Olivera, Alfredo"]
[Black "Trinidad, Vidal"]
[Result "1/2-1/2"]
[ECO "B11"]
[PlyCount "100"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "URU"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Bg4 5. h3 Bh5 6. Ng3 Bxf3 7. Qxf3 Nf6 8. Bc4 e6 9. 0-0 Nbd7 10. d4 Nb6 11. Bb3 Be7 12. c3 0-0 13. Bg5 Nbd7 14. Rfe1 Re8 15. Re2 Nf8 16. Rae1 Ng6 17. Bc2 Qd5 18. Qxd5 cxd5 19. Bd2 Bd6 20. Bg5 a6 21. Bxf6 Bxg3 22. Bxg6 hxg6 23. Be5 Bxe5 24. Rxe5 b5 25. f4 a5 26. a3 Rac8 27. g4 Kf8 28. f5 gxf5 29. gxf5 exf5 30. Kf2 Rcd8 31. Rxf5 Rxe1 32. Kxe1 f6 33. b3 Kf7 34. Kd2 g5 35. Kd3 Ke6 36. Rf2 Rh8 37. Re2+ Kd6 38. Re3 f5 39. Rg3 Rh5 40. c4 bxc4+ 41. bxc4 f4 42. Rf3 dxc4+ 43. Kxc4 Rh8 44. Rb3 Rc8+ 45. Kd3 Re8 46. Rb6+ Kc7 47. Rb5 Re3+ 48. Kc4 Rxh3 49. Rxg5 Rxa3 50. Rf5 a4 1/2-1/2

[Event "URU-ch sf1"]
[Site "Uruguay"]
[Date "1961.??.??"]
[Round "?"]
[White "Silva Nazzari, Roberto"]
[Black "Olivera, Alfredo"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "52"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "URU"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8. Bxe2 Be7 9. Nc3 h6 10. Be3 c6 11. 0-0-0 Nbd7 12. Rhe1 Nb6 13. Nd4 0-0 14. Bf3 Re8 15. g4 Bxg4 16. Bxg4 Nxg4 17. Nf5 Nxe3 18. fxe3 Kh7 19. Rg1 g6 20. Nxe7 Rxe7 21. Ne4 d5 22. Nf6+ Kg7 23. Rdf1 Rxe3 24. Nh5+ Kg8 25. Nf6+ Kg7 26. Nh5+ Kg8 1/2-1/2

[Event "URU-ch sf1"]
[Site "Uruguay"]
[Date "1961.??.??"]
[Round "?"]
[White "Varlotta, Adolfo R"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "53"]
[EventDate "1961.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "URU"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 Bd6 6. Ne2 0-0 7. 0-0 e5 8. Nbc3 e4 9. Bxe4 Nxe4 10. Nxe4 Bxh2+ 11. Kxh2 Qh4+ 12. Kg1 Qxe4 13. Ng3 Qd5 14. Bf4 Nc6 15. c3 Nd8 16. Re1 Ne6 17. Re5 Qd8 18. Be3 f6 19. Rh5 g6 20. Rh1 Qd5 21. c4 Qxc4 22. d5 Rd8 23. Qf3 f5 24. Nxf5 gxf5 25. Qxf5 Qxd5 26. Qxh7+ Kf8 27. Rh5 1-0

[Event "Atlantida"]
[Site "Atlantida"]
[Date "1960.04.16"]
[Round "7"]
[White "Bachini, Antonio"]
[Black "Olivera, Alfredo"]
[Result "1/2-1/2"]
[ECO "E69"]
[PlyCount "132"]
[EventDate "1960.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 Nbd7 7. 0-0 e5 8. e4 c6 9. h3 exd4 10. Nxd4 Ne5 11. b3 Qa5 12. Bb2 a6 13. Nc2 Be6 14. Ne3 b5 15. cxb5 axb5 16. Qxd6 Ne8 17. Qd1 Rd8 18. Ncd5 cxd5 19. exd5 Bc8 20. Bd4 Nd6 21. f4 Nd7 22. a4 Bxd4 23. Qxd4 Qb6 24. Qxb6 Nxb6 25. axb5 Nxb5 26. f5 Rfe8 27. Ng4 Re2 28. Nf6+ Kg7 29. fxg6 hxg6 30. d6 Bf5 31. Nh5+ gxh5 32. Rxf5 Nxd6 33. Rxh5 Ne4 34. Re5 Rd4 35. Rxe4 Rexe4 36. Bxe4 Rxe4 37. Kg2 Re3 38. Rb1 Kg6 39. b4 f5 40. Kf2 Ra3 41. Rd1 Nc4 42. Rd4 Ne5 43. b5 Rf3+ 44. Kg2 Rb3 45. g4 fxg4 46. hxg4 Rxb5 47. Kf2 Rb3 48. Rd5 Nd3+ 49. Kg1 Nf4 50. Ra5 Rb2 51. Kf1 Nd3 52. Ra3 Ne5 53. Ra5 Nc4 54. Rh5 Ne3+ 55. Ke1 Ra2 56. Rc5 Kf6 57. g5+ Kg6 58. Re5 Ng2+ 59. Kd1 Nf4 60. Rc5 Ng2 61. Kc1 Ne3 62. Rc3 Re2 63. Rc5 Rg2 64. Rb5 Kh5 65. g6+ Kxg6 66. Kb1 Nc4 1/2-1/2

[Event "Atlantida"]
[Site "Atlantida"]
[Date "1960.04.15"]
[Round "6"]
[White "Olivera, Alfredo"]
[Black "Souza Mendes, Joao"]
[Result "0-1"]
[ECO "A61"]
[PlyCount "56"]
[EventDate "1960.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Bg7 8. Nc4 0-0 9. Bf4 Ne8 10. a4 a6 11. a5 Qe7 12. Nb6 Nc7 13. Nxa8 Nxa8 14. Qd2 Re8 15. Ra4 Nd7 16. g3 Nc7 17. Bg2 Nb5 18. Bg5 Bxc3 19. bxc3 Qxe2+ 20. Qxe2 Rxe2+ 21. Kxe2 Nxc3+ 22. Kd2 Nxa4 23. Re1 Ne5 24. f4 Nc4+ 25. Kc1 Kg7 26. Bf1 Nxa5 27. Be7 Bf5 28. Bxd6 Nb3+ 0-1

[Event "Atlantida"]
[Site "Atlantida"]
[Date "1960.04.13"]
[Round "5"]
[White "Rossetto, Hector"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "91"]
[EventDate "1960.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 0-0 6. Nf3 Nbd7 7. 0-0 e5 8. Bg5 h6 9. Bh4 g5 10. dxe5 dxe5 11. Bg3 Nh5 12. Bxe5 Bxe5 13. Nxe5 Nxe5 14. Bxh5 Qxd1 15. Rfxd1 Nxc4 16. Be2 Ne5 17. Nd5 c6 18. Ne7+ Kg7 19. Nxc8 Raxc8 20. Rd6 Rfd8 21. Rad1 Rxd6 22. Rxd6 Rc7 23. Rd2 Rd7 24. Rc2 Rd4 25. f3 b6 26. Kf2 c5 27. Ke3 Kg6 28. a3 a5 29. Rd2 Rxd2 30. Kxd2 f5 31. exf5+ Kxf5 32. Ke3 Nf7 33. g3 Nd6 34. a4 h5 35. h4 gxh4 36. gxh4 Ke5 37. f4+ Kf5 38. b3 Ke6 39. Bxh5 Nf5+ 40. Kd3 Nxh4 41. Ke4 Kf6 42. Bg4 Ng6 43. Bd7 Ke7 44. Bf5 Nh4 45. Bh7 Ng2 46. Kf3 1-0

[Event "Atlantida"]
[Site "Atlantida"]
[Date "1960.04.12"]
[Round "4"]
[White "Olivera, Alfredo"]
[Black "Schweber, Samuel"]
[Result "0-1"]
[ECO "A49"]
[PlyCount "82"]
[EventDate "1960.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 a5 7. Bb2 a4 8. c4 Nfd7 9. Nbd2 e5 10. dxe5 dxe5 11. Ne4 Qe7 12. Qc1 a3 13. Bc3 Nc6 14. Bd2 Nd4 15. Nc3 c6 16. Bh6 Nxf3+ 17. Bxf3 f5 18. Bxg7 Kxg7 19. e4 f4 20. Qd2 Nc5 21. Rad1 Bh3 22. Bg2 Bxg2 23. Kxg2 Rad8 24. Qc1 f3+ 25. Kh1 Nd3 26. Qe3 Qd7 27. Rg1 Qd4 28. Qxd4 Rxd4 29. Rgf1 Rfd8 30. Kg1 Nc5 31. Rxd4 exd4 32. Nb1 Nxe4 33. Re1 d3 34. Rxe4 d2 35. Nxd2 Rxd2 36. h4 Rxa2 37. Re7+ Kf6 38. Rxb7 Rb2 39. Ra7 a2 40. Kh2 Rxf2+ 41. Kh3 Rb2 0-1

[Event "Atlantida"]
[Site "Atlantida"]
[Date "1960.04.11"]
[Round "3"]
[White "Olivera, Alfredo"]
[Black "Isain, Pedros Santos"]
[Result "1-0"]
[ECO "E51"]
[PlyCount "51"]
[EventDate "1960.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 d5 6. e3 c5 7. cxd5 exd5 8. Nf3 0-0 9. Bd3 Nc6 10. 0-0 Re8 11. c4 Bg4 12. Bb2 cxd4 13. exd4 Qd6 14. Rc1 dxc4 15. Rxc4 Qd5 16. Rc5 Bxf3 17. gxf3 Qd6 18. Kh1 Rad8 19. Rc4 Qf4 20. d5 Qd6 21. dxc6 Qxd3 22. Qxd3 Rxd3 23. cxb7 Rb3 24. Bxf6 gxf6 25. Rc8 Kf8 26. Re1 1-0

[Event "Atlantida"]
[Site "Atlantida"]
[Date "1960.04.09"]
[Round "2"]
[White "Kaszdan, Ernesto"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "B77"]
[PlyCount "77"]
[EventDate "1960.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Re8 9. 0-0-0 Nc6 10. Bc4 Na5 11. Bb3 Nxb3+ 12. Nxb3 Bd7 13. Bh6 Bh8 14. g4 Be6 15. Kb1 Rc8 16. h4 Nd7 17. h5 Ne5 18. hxg6 fxg6 19. Qg2 Nd7 20. Be3 Bxb3 21. cxb3 Bxc3 22. bxc3 Rxc3 23. Bd4 Rc8 24. Rxh7 e5 25. Qh3 Nf6 26. Rh8+ Kf7 27. Rxe8 Qxe8 28. Be3 Qb5 29. Rxd6 Qe2 30. Rxf6+ Kxf6 31. g5+ Ke7 32. Qxc8 Qd3+ 33. Kb2 Qxe3 34. Qxb7+ Kd8 35. Qd5+ Kc8 36. Qxe5 Qd2+ 37. Ka3 a5 38. Qc5+ Kb7 39. Qd5+ 1-0

[Event "Atlantida"]
[Site "Atlantida"]
[Date "1960.04.08"]
[Round "1"]
[White "Olivera, Alfredo"]
[Black "Rivarola, Benigno"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "103"]
[EventDate "1960.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. h3 0-0 6. e3 a6 7. Be2 Nbd7 8. b4 c6 9. 0-0 Nh5 10. Bg5 f5 11. Na4 b5 12. Nc5 Nxc5 13. bxc5 Qc7 14. Ne1 Nf6 15. Bf4 Qd7 16. Bf3 Ne4 17. Nd3 Nf6 18. Ne5 Qe6 19. a4 Bb7 20. a5 Nd7 21. Nd3 Qf7 22. Be2 Rfe8 23. Ne5 Bxe5 24. Bxe5 Nxe5 25. dxe5 f4 26. Qd4 Rf8 27. Rab1 Rad8 28. Rb4 g5 29. exf4 Qxf4 30. Qc3 d4 31. Qb3+ Kg7 32. Qe6 Rd5 33. Bf3 Rxe5 34. Qd7 Bc8 35. Qxc6 Qd2 36. Qc7 Ref5 37. Rbb1 Qc3 38. Rbe1 Qxc5 39. Rxe7+ Kf6 40. Rxh7 Qxc7 41. Rxc7 Re5 42. Rd1 Rd8 43. Bg4 Bxg4 44. hxg4 Rd6 45. Rd3 Re1+ 46. Kh2 Ra1 47. Rh3 Rxa5 48. Rh6+ Ke5 49. Rc5+ Rd5 50. Rcc6 Rd7 51. Rc5+ Rd5 52. f4+ 1-0

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1959.01.24"]
[Round "5"]
[White "Olivera, Alfredo"]
[Black "Dutra, Ruben"]
[Result "1/2-1/2"]
[ECO "A34"]
[PlyCount "36"]
[EventDate "1959.01.19"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nc7 6. Bc4 Nc6 7. 0-0 e5 8. d3 Be7 9. Nd5 0-0 10. Nxe7+ Qxe7 11. Bd2 Bg4 12. h3 Be6 13. Bg5 f6 14. Be3 Bxc4 15. dxc4 Rfd8 16. Qe2 Ne6 17. Rad1 Rxd1 18. Rxd1 Rd8 1/2-1/2

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1959.01.23"]
[Round "4"]
[White "Munoz Izcua, Jose Gervasio"]
[Black "Olivera, Alfredo"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "84"]
[EventDate "1959.01.19"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Nf3 d6 6. h3 Nc6 7. d5 Nb8 8. Bg5 Nbd7 9. Qc1 Nc5 10. Nd2 a5 11. Rb1 Nfd7 12. Be3 f5 13. f3 e5 14. dxe6 Nxe6 15. exf5 gxf5 16. g4 Nd4 17. Bxd4 Bxd4 18. gxf5 Re8+ 19. Nde4 Nc5 20. Qf4 Bxc3+ 21. bxc3 Qf6 22. Kd2 Nxe4+ 23. fxe4 b6 24. Rg1+ Kh8 25. Bg2 Bb7 26. Rbe1 Re5 27. Bf3 Rae8 28. Kd3 Ba6 29. Bh5 R8e7 30. Bg6 Bxc4+ 31. Kd2 Bxa2 32. Rg3 d5 33. Reg1 Rxe4 34. Bh5 d4 35. Qf2 dxc3+ 36. Kc2 a4 37. Qg2 Bb3+ 38. Kc1 Re1+ 39. Bd1 Qh6+ 40. Rg5 Rg7 41. h4 Rxg1 42. Qxg1 Qd6 0-1

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1959.01.21"]
[Round "3"]
[White "Alvarez del Monte, Jose Luis"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "C15"]
[PlyCount "57"]
[EventDate "1959.01.19"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2 Nf6 5. e5 Bxc3 6. bxc3 Ne4 7. Qg4 0-0 8. Bh6 g6 9. Bxf8 Qxf8 10. Bd3 f5 11. exf6 e5 12. f7+ Kg7 13. Qh4 Qxf7 14. Bxe4 dxe4 15. Qxe4 Nc6 16. Nf3 Bf5 17. Qe3 exd4 18. cxd4 Re8 19. Ne5 Nxe5 20. dxe5 Qc4 21. f4 g5 22. Rf1 Rf8 23. Rf2 gxf4 24. Rxf4 Qc6 25. Kf2 Qxc2+ 26. Kg1 Rd8 27. Rc1 Rd1+ 28. Rxd1 Qxd1+ 29. Rf1 1-0

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1959.01.20"]
[Round "2"]
[White "Olivera, Alfredo"]
[Black "Trinidad, Vidal"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "41"]
[EventDate "1959.01.19"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. e4 Nxc3 5. bxc3 g6 6. h4 Bg7 7. h5 c5 8. Bc4 Nc6 9. Nf3 Qc7 10. d4 cxd4 11. hxg6 fxg6 12. 0-0 Ne5 13. Nxe5 Qxe5 14. Qb3 e6 15. cxd4 Qxe4 16. Ba3 Bd7 17. Rfe1 Qxd4 18. Rad1 Qb6 19. Rxd7 Kxd7 20. Bxe6+ Kd8 21. Qd5+ 1-0

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1959.01.19"]
[Round "1"]
[White "Wexler, Bernardo"]
[Black "Olivera, Alfredo"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "34"]
[EventDate "1959.01.19"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nd7 3. Bg2 e5 4. d3 Bd6 5. e4 d4 6. c3 c5 7. Nbd2 Nb6 8. 0-0 Ne7 9. cxd4 cxd4 10. Nh4 0-0 11. Qh5 g6 12. Qh6 Kh8 13. Ndf3 Ng8 14. Qd2 f6 15. Ne1 Qe7 16. Qe2 Bd7 17. f4 Rac8 1/2-1/2

[Event "Mar del Plata International-21"]
[Site "Mar del Plata"]
[Date "1958.04.01"]
[Round "15"]
[White "Sumar, Julio"]
[Black "Olivera, Alfredo"]
[Result "1/2-1/2"]
[ECO "D69"]
[PlyCount "42"]
[EventDate "1958.03.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Rc1 c6 7. Nf3 0-0 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. 0-0 Nxc3 12. Rxc3 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. f4 Qf6 16. Qc2 Be6 17. Rd1 Bxc4 18. Rxc4 Rad8 19. Rcd4 Rxd4 20. Rxd4 Rd8 21. Rxd8+ Qxd8 1/2-1/2

[Event "Mar del Plata International-21"]
[Site "Mar del Plata"]
[Date "1958.03.29"]
[Round "14"]
[White "Olivera, Alfredo"]
[Black "Rossetto, Hector"]
[Result "0-1"]
[ECO "D25"]
[PlyCount "90"]
[EventDate "1958.03.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 g6 5. Bxc4 Bg7 6. Qb3 0-0 7. Ng5 e6 8. f4 c5 9. dxc5 h6 10. Nf3 Nbd7 11. c6 bxc6 12. 0-0 Rb8 13. Qc2 Qb6 14. Nc3 Nd5 15. Na4 Nxe3 16. Qe2 Qb4 17. Bxe3 Qxa4 18. b3 Qa5 19. Rac1 Nb6 20. Ne5 Bb7 21. Kh1 Nxc4 22. Nxc4 Qa6 23. Qf2 Ra8 24. Bc5 Rfd8 25. Nd6 Rd7 26. Rfd1 Rad8 27. Rd2 Qa5 28. Nxb7 Qxd2 29. Qxd2 Rxd2 30. Nxd8 Rxd8 31. g3 Rd7 32. Rc4 Rd1+ 33. Bg1 c5 34. Kg2 Bd4 35. Bxd4 Rxd4 36. Rxd4 cxd4 37. Kf3 f6 38. Ke4 e5 39. fxe5 fxe5 40. b4 Kf7 41. Kd3 Ke6 42. Kc4 Kd6 43. h3 Kc6 44. g4 g5 45. a4 a6 0-1

[Event "Mar del Plata International-21"]
[Site "Mar del Plata"]
[Date "1958.03.28"]
[Round "13"]
[White "Pilnik, Hermann"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "89"]
[EventDate "1958.03.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. g3 Nc6 5. Bg2 d4 6. a4 e5 7. Ngf3 Bg4 8. Nc4 f6 9. h3 Be6 10. Nh4 g6 11. 0-0 Qd7 12. Kh2 Bh6 13. f4 Bxc4 14. dxc4 0-0-0 15. Bd2 exf4 16. gxf4 Nge7 17. a5 a6 18. Ra3 Qe6 19. Qe2 g5 20. Qh5 gxh4 21. Qxh6 Qxc4 22. Qxf6 Rhg8 23. Rf2 Qxc2 24. Qe6+ Rd7 25. f5 Nd8 26. Qh6 Nec6 27. Qxh4 Qxb2 28. Rg3 Rxg3 29. Qxg3 d3 30. f6 Qe5 31. h4 Nf7 32. Bh3 Qxg3+ 33. Kxg3 Kd8 34. Bxd7 Kxd7 35. Rf5 Nce5 36. Bc3 Ke6 37. Kf2 Nd7 38. Ke3 c4 39. Rf1 b5 40. axb6 Nxb6 41. Ra1 Nc8 42. Rxa6+ Ncd6 43. Ra7 Nc8 44. Rc7 Nfd6 45. f7 1-0

[Event "Mar del Plata International-21"]
[Site "Mar del Plata"]
[Date "1958.03.26"]
[Round "12"]
[White "Olivera, Alfredo"]
[Black "Larsen, Bent"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "74"]
[EventDate "1958.03.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. e5 dxe5 5. Nxe5 Nbd7 6. f4 e6 7. d4 Nxe5 8. fxe5 Nd5 9. Bb5+ Bd7 10. Bxd7+ Qxd7 11. 0-0 Rc8 12. dxc5 Bxc5+ 13. Kh1 0-0 14. Qe2 f5 15. exf6 Rxf6 16. Rxf6 Nxf6 17. Be3 Bxe3 18. Qxe3 Qd1+ 19. Qg1 Qe2 20. Na3 Qxb2 21. Qe1 e5 22. Qc1 Qe2 23. h3 Ne4 24. Qe1 Rxc3 25. Qxe2 Ng3+ 26. Kh2 Nxe2 27. Nb5 Rc2 28. Rd1 Nf4 29. Rd8+ Kf7 30. Rd7+ Kf6 31. Rxb7 Rxg2+ 32. Kh1 Rxa2 33. Nxa7 e4 34. Nc6 e3 35. Rb4 Ra1+ 36. Kh2 Nd3 37. Re4 Ra2+ 0-1

[Event "Mar del Plata International-21"]
[Site "Mar del Plata"]
[Date "1958.03.25"]
[Round "11"]
[White "Eliskases, Erich Gottlieb"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "E74"]
[PlyCount "57"]
[EventDate "1958.03.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 e5 8. g4 Na6 9. h4 Nc7 10. f3 a6 11. a4 b6 12. Qd2 Bd7 13. Nh3 b5 14. Nf2 bxa4 15. Nd3 Qe7 16. h5 Rfb8 17. Nxc5 a3 18. Rxa3 dxc5 19. d6 Qe6 20. dxc7 Rc8 21. Bxf6 Bxf6 22. Nd5 Bg7 23. g5 gxh5 24. Bf1 Kf8 25. Bh3 Qc6 26. Bxd7 Qxd7 27. Rxh5 Rxc7 28. Rxh7 Rd8 29. Qh2 1-0

[Event "Mar del Plata International-21"]
[Site "Mar del Plata"]
[Date "1958.03.23"]
[Round "10"]
[White "Olivera, Alfredo"]
[Black "Behrensen, Jorge"]
[Result "1/2-1/2"]
[ECO "B67"]
[PlyCount "89"]
[EventDate "1958.03.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 h6 10. Bxf6 Qxf6 11. Nxc6 Bxc6 12. g4 g5 13. fxg5 Qxg5 14. Qxg5 hxg5 15. Bg2 Ke7 16. h3 Bg7 17. Rd3 Rac8 18. Kb1 Be5 19. Rf1 Rh6 20. Rf2 Rf6 21. Rxf6 Kxf6 22. b3 Rh8 23. Ne2 Rh6 24. Rf3+ Ke7 25. Rf2 b6 26. c4 Rf6 27. Rxf6 Bxf6 28. Kc2 Be5 29. Kd3 f5 30. Nd4 Bxd4 31. Kxd4 a5 32. gxf5 exf5 33. Bf3 Kf6 34. a3 Bb7 35. b4 axb4 36. axb4 Bc6 37. b5 Bb7 38. Ke3 fxe4 39. Bxe4 Bc8 40. Kd4 Bxh3 41. Kd5 Be6+ 42. Kxd6 Bxc4 43. Kc7 g4 44. Kxb6 Ke5 45. Bg2 1/2-1/2

[Event "Mar del Plata International-21"]
[Site "Mar del Plata"]
[Date "1958.03.22"]
[Round "9"]
[White "Casas, Fernando"]
[Black "Olivera, Alfredo"]
[Result "1/2-1/2"]
[ECO "E45"]
[PlyCount "65"]
[EventDate "1958.03.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. a3 Bxc3+ 7. Nxc3 d5 8. b3 0-0 9. Bd3 c5 10. dxc5 bxc5 11. 0-0 dxc4 12. bxc4 Nbd7 13. f4 Rb8 14. Qc2 Nb6 15. Ne2 Qd7 16. a4 Rfd8 17. Rd1 Bxc4 18. Bxh7+ Nxh7 19. Rxd7 Rxd7 20. a5 Bd3 21. Qb2 Bxe2 22. axb6 Rd1+ 23. Kf2 Bd3 24. Rxa7 Nf6 25. b7 Ne4+ 26. Kf3 f5 27. g3 Kh7 28. Ra8 Rxb7 29. Qxb7 Rf1+ 30. Kg2 Rf2+ 31. Kg1 Rf1+ 32. Kg2 Rf2+ 33. Kg1 1/2-1/2

[Event "Mar del Plata International-21"]
[Site "Mar del Plata"]
[Date "1958.03.20"]
[Round "8"]
[White "Olivera, Alfredo"]
[Black "Lombardy, William James"]
[Result "0-1"]
[ECO "E60"]
[PlyCount "94"]
[EventDate "1958.03.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. 0-0 0-0 6. b3 Nbd7 7. Bb2 e5 8. dxe5 Ng4 9. c4 dxe5 10. Nc3 Re8 11. Ne4 Ngf6 12. Nxf6+ Qxf6 13. Qd2 Qe7 14. Rfe1 a5 15. a4 f6 16. Ba3 Qf7 17. Qd5 Nf8 18. Qxf7+ Kxf7 19. Rad1 Ne6 20. e3 Bf8 21. Bxf8 Kxf8 22. Rd5 Ke7 23. Bh3 c6 24. Rd2 Nc5 25. Bxc8 Rexc8 26. Rb1 Ra6 27. Ne1 Rd8 28. Rxd8 Kxd8 29. Nf3 Kc7 30. Nd2 Ra8 31. Kf1 Rd8 32. Ke2 e4 33. f3 exf3+ 34. Nxf3 Ne4 35. Rc1 Kb6 36. Nd4 Re8 37. Kd3 f5 38. Rc2 Kc5 39. Re2 Kb4 40. Kc2 Re7 41. Kb2 Nf6 42. Re1 Kc5 43. Re2 Ng4 44. Nc2 Kd6 45. Ka2 Ke5 46. b4 Ke4 47. Kb3 Kd3 0-1

[Event "Mar del Plata International-21"]
[Site "Mar del Plata"]
[Date "1958.03.19"]
[Round "7"]
[White "Reinhardt, Enrique Heinrich"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "E14"]
[PlyCount "83"]
[EventDate "1958.03.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 b6 3. d4 e6 4. e3 Bb7 5. Bd3 Ne4 6. 0-0 Be7 7. Ne5 0-0 8. f3 Nf6 9. f4 d6 10. Nf3 Nbd7 11. Nc3 c5 12. b3 Re8 13. Bb2 Bf8 14. Bc2 Rc8 15. e4 cxd4 16. Nxd4 Nc5 17. Qe1 d5 18. cxd5 exd5 19. e5 Nfe4 20. Rd1 Nxc3 21. Bxc3 Ne6 22. Nxe6 fxe6 23. Bd3 a5 24. Bb2 Bc5+ 25. Kh1 Qe7 26. Qg3 g6 27. Qg4 d4 28. Bc4 Bd5 29. Bxd5 exd5 30. Bxd4 Bxd4 31. Rxd4 Qc5 32. Rfd1 Rcd8 33. h4 Kh8 34. Qf3 Rf8 35. g3 Qc8 36. Kg2 Qf5 37. Rxd5 Rc8 38. R1d2 h5 39. Qd3 Qg4 40. Rd6 Rxf4 41. Rxg6 Rd4 42. Rh6+ 1-0

[Event "Mar del Plata International-21"]
[Site "Mar del Plata"]
[Date "1958.03.17"]
[Round "6"]
[White "Olivera, Alfredo"]
[Black "Sanguineti, Raul"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "75"]
[EventDate "1958.03.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. h3 b6 7. Ne5 Bb7 8. Be2 Nfd7 9. Nxd7 Nxd7 10. Bf3 c6 11. 0-0 e5 12. dxe5 Nxe5 13. Be2 Qe7 14. a4 a5 15. Na2 Rfd8 16. c3 Nc4 17. Qc2 Qe6 18. Rfd1 c5 19. Bg4 f5 20. Bf3 Rd7 21. Rd3 g5 22. Bg3 Be5 23. b3 Na3 24. Qc1 Bxg3 25. fxg3 g4 26. hxg4 fxg4 27. Be2 Re7 28. Qxa3 c4 29. Bxg4 Qe4 30. Bf3 Qe5 31. Rd4 Qxe3+ 32. Kh2 Re6 33. Rg4+ Kh8 34. bxc4 Qf2 35. Qc1 Re3 36. Qd1 Rae8 37. Qd4+ R8e5 38. Rg5 1-0

[Event "Mar del Plata International-21"]
[Site "Mar del Plata"]
[Date "1958.03.16"]
[Round "5"]
[White "Olivera, Alfredo"]
[Black "Letelier Martner, Rene"]
[Result "0-1"]
[ECO "A63"]
[PlyCount "90"]
[EventDate "1958.03.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 a6 9. a4 0-0 10. 0-0 Nbd7 11. Bf4 Ne8 12. Qd2 Rb8 13. Bh6 b5 14. Bxg7 Kxg7 15. axb5 axb5 16. Ra7 Qb6 17. Rfa1 Bb7 18. Ne4 Nef6 19. Nfg5 Ra8 20. Rxa8 Rxa8 21. Rxa8 Bxa8 22. Nxf6 Nxf6 23. b3 h6 24. Ne4 Nxe4 25. Bxe4 Qd8 26. Qa2 Bb7 27. Bf3 Qf6 28. Qa7 Bc8 29. Kg2 b4 30. g4 h5 31. h3 hxg4 32. hxg4 Qf4 33. Kh3 Qe5 34. Qa8 Bd7 35. Qb7 Qe7 36. Kg2 Qd8 37. Qa6 Bc8 38. Qc6 Qd7 39. Qxd7 Bxd7 40. g5 Bb5 41. Kf1 f6 42. gxf6+ Kxf6 43. Be4 g5 44. Ke1 Ke5 45. Bg2 Be8 0-1

[Event "Mar del Plata International-21"]
[Site "Mar del Plata"]
[Date "1958.03.15"]
[Round "4"]
[White "Emma, Jaime"]
[Black "Olivera, Alfredo"]
[Result "1/2-1/2"]
[ECO "A13"]
[PlyCount "56"]
[EventDate "1958.03.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 c6 4. b3 Nf6 5. Bb2 Bd6 6. Bg2 Nbd7 7. 0-0 e5 8. cxd5 cxd5 9. d3 0-0 10. Nc3 a6 11. e4 d4 12. Ne2 Re8 13. Rc1 Nc5 14. Nexd4 exd4 15. e5 Bf5 16. exd6 Nxd3 17. Rc2 Nxb2 18. Rxb2 Qxd6 19. Qxd4 Rad8 20. Qxd6 Rxd6 21. Nh4 Be4 22. Rc1 g6 23. Bxe4 Rxe4 24. Rc7 Rd7 25. Rxd7 Nxd7 26. Rc2 Re1+ 27. Kg2 Ra1 28. Rc7 Ne5 1/2-1/2

[Event "Mar del Plata International-21"]
[Site "Mar del Plata"]
[Date "1958.03.13"]
[Round "3"]
[White "Olivera, Alfredo"]
[Black "Pelikan, Jorge"]
[Result "1/2-1/2"]
[ECO "B27"]
[PlyCount "131"]
[EventDate "1958.03.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 b6 3. d4 cxd4 4. Nxd4 Bb7 5. Nc3 g6 6. Bf4 Bg7 7. Ndb5 Na6 8. Be2 Nf6 9. e5 Ne4 10. Nxe4 Bxe4 11. Bf3 Bxf3 12. Qxf3 0-0 13. 0-0 Qc8 14. Nc3 Nc7 15. Rad1 Ne6 16. Bg3 Rb8 17. Qe2 Re8 18. Nd5 Qc6 19. c3 b5 20. f4 Qc4 21. Qf2 Qc5 22. Qxc5 Nxc5 23. Bf2 Ne6 24. a3 Rb7 25. g3 Nd8 26. Bc5 Nc6 27. Rfe1 e6 28. Ne3 f6 29. exf6 Bxf6 30. Ng4 Bg7 31. Bd6 Na5 32. Ne5 Bxe5 33. fxe5 Nc4 34. Re2 Nxd6 35. Rxd6 Rf8 36. Rf2 Rf7 37. Kg2 Rc7 38. Rf4 Kf8 39. Kf3 Ke7 40. Ra6 Rf5 41. Rxf5 gxf5 42. Rd6 Rc5 43. Kf4 h6 44. h3 Kd8 45. g4 fxg4 46. hxg4 a5 47. Rd4 Ke7 48. Ke4 Rc8 49. Ke3 Rg8 50. a4 bxa4 51. Rxa4 Rb8 52. b4 axb4 53. Rxb4 Rc8 54. Kd3 Rc5 55. Re4 Rd5+ 56. Kc2 Kf7 57. c4 Ra5 58. Kb3 Ke7 59. Kb4 Ra1 60. Kc5 Kd8 61. g5 hxg5 62. Rg4 Kc7 63. Rxg5 Re1 64. Rh5 Rg1 65. Kb5 Rg4 66. Kc5 1/2-1/2

[Event "Mar del Plata International-21"]
[Site "Mar del Plata"]
[Date "1958.03.12"]
[Round "2"]
[White "Panno, Oscar"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "A84"]
[PlyCount "53"]
[EventDate "1958.03.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nd7 5. Nf3 f5 6. Qc2 Qf6 7. b3 Bd6 8. Bb2 Ne7 9. Bd3 a6 10. 0-0-0 b5 11. Ne5 Nxe5 12. dxe5 Bxe5 13. f4 Bxc3 14. Bxc3 Qf7 15. Qb2 0-0 16. c5 Ng6 17. h4 h5 18. Qe2 Ne7 19. Rh3 g6 20. Rg3 Kh7 21. Rg5 Kh6 22. Rh1 Bd7 23. g4 fxg4 24. Be5 Nf5 25. Rxg4 hxg4 26. Qxg4 Be8 27. h5 1-0

[Event "Mar del Plata International-21"]
[Site "Mar del Plata"]
[Date "1958.03.11"]
[Round "1"]
[White "Olivera, Alfredo"]
[Black "Foguelman, Alberto"]
[Result "1-0"]
[ECO "D13"]
[PlyCount "139"]
[EventDate "1958.03.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 e6 6. Bf4 Bd6 7. e3 Bxf4 8. exf4 a6 9. Bd3 Nc6 10. 0-0 0-0 11. Rc1 Qd6 12. g3 Rd8 13. Re1 Ne7 14. a3 Bd7 15. Ne5 Be8 16. Qb3 b5 17. Rc2 Nd7 18. Nxd7 Bxd7 19. Ne2 Rac8 20. Rec1 Nc6 21. Qc3 Qb8 22. Qd2 Qb6 23. b4 g6 24. Rc5 Ne7 25. Qe3 Qd6 26. Qe5 Qxe5 27. fxe5 Rxc5 28. Rxc5 Rc8 29. f4 Rc6 30. Kf2 Nc8 31. Rxc6 Bxc6 32. Nc3 Nb6 33. Ke3 Kf8 34. g4 Ke7 35. g5 Nc4+ 36. Bxc4 dxc4 37. Nd1 Bg2 38. Nf2 Kd7 39. Ng4 Bh3 40. Nf6+ Kc6 41. Kd2 Bf5 42. Kc3 Bb1 43. Nxh7 Bf5 44. Nf6 Bd3 45. h4 Be2 46. Ne4 Bd1 47. Nc5 Kb6 48. Ne4 Bf3 49. Nd6 Kc6 50. Nxf7 Be4 51. Nd6 Bd3 52. Ne8 Bb1 53. Nf6 Bf5 54. h5 gxh5 55. Nxh5 Bg6 56. Nf6 Bf5 57. d5+ exd5 58. Kd4 Bg6 59. Nxd5 Kd7 60. Nf6+ Ke6 61. Ne4 Kf5 62. Nc5 Kxf4 63. Nxa6 c3 64. Kxc3 Kxe5 65. Nc7 Kf5 66. Nxb5 Kxg5 67. Kd4 Kf6 68. Kc5 Ke7 69. a4 Kd7 70. a5 1-0

[Event "Mar del Plata International-19"]
[Site "Mar del Plata"]
[Date "1956.04.01"]
[Round "16"]
[White "Bolbochan, Jacobo"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "C17"]
[PlyCount "143"]
[EventDate "1956.03.12"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Ne7 6. Nb5 Bxd2+ 7. Qxd2 0-0 8. c3 cxd4 9. cxd4 Nbc6 10. f4 a6 11. Nd6 f6 12. Nf3 fxe5 13. fxe5 Ng6 14. 0-0-0 b5 15. Kb1 Bd7 16. Bd3 Nf4 17. Bc2 Qa5 18. Rhf1 Qxd2 19. Rxd2 Nb4 20. Rdf2 h6 21. Ne1 Nxc2 22. Kxc2 Ng6 23. Rxf8+ Rxf8 24. Rxf8+ Kxf8 25. g3 Ne7 26. Nd3 Nc6 27. Kc3 Ke7 28. a3 a5 29. b4 a4 30. Nxb5 Nxe5 31. dxe5 Bxb5 32. Ne1 Kd7 33. Nf3 Kc7 34. Nd4 Bd7 35. h4 Kb6 36. Kd3 Kc7 37. Ke3 g6 38. Kf4 Kb6 39. g4 Bc8 40. g5 h5 41. Kf3 Bd7 42. Ke3 Kc7 43. Kd2 Kb6 44. Ne2 Be8 45. Kc2 Ka6 46. Kc3 Kb6 47. Kd4 Bf7 48. Nf4 Kb5 49. Nd3 Bg8 50. Nc5 Bf7 51. Kc3 Bg8 52. Nd3 Bf7 53. Nf4 Kb6 54. Kd3 Ka6 55. Ne2 Be8 56. Ke3 Kb7 57. Kd4 Kb6 58. Nc3 Bc6 59. Nd1 Bb5 60. Ne3 Bc6 61. Kc3 Bd7 62. Nc2 Be8 63. Nd4 Bf7 64. Kc2 Bg8 65. Kd3 Bf7 66. Kc3 Bg8 67. Ne2 Bf7 68. Kd3 Be8 69. Kd4 Bf7 70. Nc3 Be8 71. Nxd5+ exd5 72. Kxd5 1-0

[Event "Mar del Plata International-19"]
[Site "Mar del Plata"]
[Date "1956.03.30"]
[Round "15"]
[White "Olivera, Alfredo"]
[Black "Reinhardt, Enrique Heinrich"]
[Result "0-1"]
[ECO "A47"]
[PlyCount "90"]
[EventDate "1956.03.12"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. c3 e6 6. 0-0 Be7 7. Nbd2 0-0 8. a4 Qc8 9. Re1 d5 10. Ne5 cxd4 11. cxd4 Na6 12. Nf1 Nb4 13. Bg5 h6 14. Rc1 Qd8 15. Bf4 Rc8 16. Qb3 Nc6 17. Red1 Ne4 18. Nxc6 Bxc6 19. Qa2 g5 20. Be5 Qd7 21. f3 Nd6 22. b3 Ne8 23. g4 f6 24. Bg3 Ng7 25. Qb1 Ba3 26. Rc3 Qe7 27. Qc2 Bb7 28. Rxc8 Rxc8 29. Qg6 Ba6 30. e4 dxe4 31. fxe4 Be2 32. Re1 Bxg4 33. Ne3 Bh5 34. Qxh6 Bb2 35. d5 Bd4 36. d6 Qd8 37. Kh1 Bxe3 38. Rxe3 e5 39. d7 Rc6 40. Bf1 Qxd7 41. Bc4+ Rxc4 42. bxc4 Qd2 43. Ra3 Qc1+ 44. Kg2 Qb2+ 45. Kh3 Qe2 0-1

[Event "Mar del Plata International-19"]
[Site "Mar del Plata"]
[Date "1956.03.29"]
[Round "14"]
[White "Sanguineti, Raul"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "51"]
[EventDate "1956.03.12"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 c5 4. Bg2 Nc6 5. cxd5 exd5 6. d4 cxd4 7. Nxd4 Bb4+ 8. Nc3 Qa5 9. 0-0 Bxc3 10. bxc3 Nge7 11. c4 dxc4 12. Nxc6 bxc6 13. Qd6 Qd8 14. Bxc6+ Nxc6 15. Qxc6+ Bd7 16. Qe4+ Be6 17. Ba3 Qd5 18. Qe3 Rd8 19. Rab1 Qd4 20. Qg5 Qf6 21. Qb5+ Bd7 22. Qxc4 Qe6 23. Qc5 f6 24. Rfd1 Kf7 25. Rd6 Qf5 26. Rbd1 1-0

[Event "Mar del Plata International-19"]
[Site "Mar del Plata"]
[Date "1956.03.28"]
[Round "13"]
[White "Olivera, Alfredo"]
[Black "Gondim, Jose"]
[Result "1-0"]
[ECO "D45"]
[PlyCount "65"]
[EventDate "1956.03.12"]
[EventType "tourn"]
[EventRounds "17"]
[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. Nf3 c6 4. e3 Nf6 5. Nbd2 Ne4 6. Nxe4 dxe4 7. Nd2 f5 8. f3 Qg5 9. f4 Qh6 10. Be2 Nd7 11. 0-0 Bd6 12. c5 Bc7 13. Nc4 g5 14. Ne5 g4 15. b4 a6 16. a4 0-0 17. Bb2 Rf6 18. Nxd7 Bxd7 19. d5 Rg6 20. Qd4 Re8 21. d6 Bd8 22. Bc4 Qh4 23. g3 Qh5 24. Bc3 Bf6 25. Qd2 Kf7 26. Bxf6 Rxf6 27. Rfb1 Qg6 28. b5 axb5 29. axb5 h5 30. Ra7 Rb8 31. bxc6 Bxc6 32. Rb6 Rc8 33. Rxc6 1-0

[Event "Mar del Plata International-19"]
[Site "Mar del Plata"]
[Date "1956.03.26"]
[Round "12"]
[White "Behrensen, Jorge"]
[Black "Olivera, Alfredo"]
[Result "1/2-1/2"]
[ECO "D30"]
[PlyCount "113"]
[EventDate "1956.03.12"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 Ne4 5. 0-0 Nd7 6. c4 c6 7. Nc3 f5 8. Ne1 Qh4 9. f4 Bd6 10. Nf3 Qh6 11. Bd2 Nxd2 12. Qxd2 0-0 13. c5 Bc7 14. b4 Nf6 15. Ne5 Ne4 16. Nxe4 fxe4 17. Be2 Bxe5 18. fxe5 Bd7 19. a4 a6 20. Rab1 Rxf1+ 21. Bxf1 Qg5 22. Qe1 Be8 23. h4 Qg6 24. Be2 h5 25. Kh2 Bd7 26. Qd1 Kh7 27. Qg1 Rf8 28. Rf1 Rf5 29. Rf4 Rxf4 30. exf4 Qe8 31. Qd1 Qf7 32. Kg3 Be8 33. Qb3 Qc7 34. Kf2 Qf7 35. Qg3 Qg6 36. Qe3 Qf5 37. Kg3 Bd7 38. Kh2 Be8 39. g3 Qf7 40. Bf1 Qd7 41. Qb3 Qc7 42. Bh3 Bd7 43. Qd1 g6 44. g4 Qd8 45. Kg3 Qg8 46. Bf1 Qf7 47. Be2 Qg8 48. Qb3 Qe8 49. Kf2 hxg4 50. Bxg4 Qf8 51. Qg3 Qh6 52. Ke3 Bc8 53. Qh2 Bd7 54. Kf2 Qf8 55. Kg3 Qe7 56. Qh3 Kh6 57. h5 1/2-1/2

[Event "Mar del Plata International-19"]
[Site "Mar del Plata"]
[Date "1956.03.25"]
[Round "11"]
[White "Olivera, Alfredo"]
[Black "Idigoras Guisasola, Gregorio"]
[Result "0-1"]
[ECO "A96"]
[PlyCount "56"]
[EventDate "1956.03.12"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 e6 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. c4 d6 7. b3 Qe8 8. Bb2 Qh5 9. Nbd2 Nc6 10. e3 Nd8 11. Ne1 Qh6 12. Nd3 Nf7 13. e4 e5 14. dxe5 dxe5 15. Nxe5 Nxe5 16. Bxe5 Ng4 17. Nf3 fxe4 18. Qd5+ Be6 19. Qxe4 Rxf3 20. h3 Nxe5 21. Bxf3 Nxf3+ 22. Qxf3 Qxh3 23. Rfe1 Bc5 24. Qg2 Qf5 25. b4 Bd4 26. Rad1 c5 27. bxc5 Bxc5 28. Re4 Bxf2+ 0-1

[Event "Mar del Plata International-19"]
[Site "Mar del Plata"]
[Date "1956.03.24"]
[Round "10"]
[White "Wexler, Bernardo"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "A08"]
[PlyCount "65"]
[EventDate "1956.03.12"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. 0-0 e5 5. d3 Bd6 6. e4 d4 7. a4 Nge7 8. Nbd2 f6 9. Nc4 Be6 10. Nh4 g5 11. Nf5 Nxf5 12. exf5 Bxc4 13. dxc4 Qc7 14. Bd2 0-0-0 15. a5 h5 16. a6 b6 17. Qf3 Ne7 18. Qe4 h4 19. Ra3 Kd7 20. Rfa1 Rdg8 21. Rb3 hxg3 22. hxg3 Rh6 23. Ra5 Rgh8 24. Qg4 bxa5 25. Rb7 Rb8 26. Rxc7+ Bxc7 27. Bb7 Rhh8 28. Qf3 Kd6 29. c3 Bb6 30. cxd4 cxd4 31. b4 axb4 32. Bxb4+ Kd7 33. c5 1-0

[Event "Mar del Plata International-19"]
[Site "Mar del Plata"]
[Date "1956.03.22"]
[Round "9"]
[White "Olivera, Alfredo"]
[Black "Rossetto, Hector"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "38"]
[EventDate "1956.03.12"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[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 Bxf6 11. c4 b4 12. Nc2 Rb8 13. b3 0-0 14. Nxf6+ Qxf6 15. Be2 Qg6 16. Bf3 Bb7 17. g4 Nd8 18. h4 Ne6 19. Qxd6 Nd4 0-1

[Event "Mar del Plata International-19"]
[Site "Mar del Plata"]
[Date "1956.03.20"]
[Round "7"]
[White "Shocron, Ruben"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "C17"]
[PlyCount "113"]
[EventDate "1956.03.12"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Ne7 6. Nb5 Bxd2+ 7. Qxd2 0-0 8. dxc5 Nd7 9. f4 Nxc5 10. Bd3 f6 11. exf6 Rxf6 12. Ne2 Qb6 13. 0-0-0 Bd7 14. Nbd4 Be8 15. h4 Nxd3+ 16. Qxd3 Bg6 17. Qa3 Nc6 18. Rhe1 Na5 19. g3 Rc8 20. Nc3 Bh5 21. Rd3 Bg4 22. Rd2 Bh5 23. Rd3 Bg6 24. Na4 Qa6 25. Rc3 b6 26. Rxc8+ Qxc8 27. Qc3 Qe8 28. b3 Nb7 29. Qc7 Na5 30. Nc3 Rf7 31. Qe5 Qc8 32. Nxe6 Re7 33. f5 Nc6 34. Nxd5 Rb7 35. Qe4 Bf7 36. Re3 Ne7 37. Qe5 Bxe6 38. fxe6 Qf8 39. Qd6 Nxd5 40. Qxd5 Re7 41. Rf3 Qe8 42. Rf7 Rxf7 43. exf7+ Qxf7 44. Qd8+ Qf8 45. Qxf8+ Kxf8 46. c4 Ke7 47. Kd2 Ke6 48. g4 Ke5 49. Kd3 Kf4 50. b4 Kxg4 51. Ke4 g5 52. hxg5 Kxg5 53. Ke5 Kg6 54. Ke6 h5 55. c5 bxc5 56. bxc5 h4 57. c6 1-0

[Event "Mar del Plata International-19"]
[Site "Mar del Plata"]
[Date "1956.03.18"]
[Round "6"]
[White "Olivera, Alfredo"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "48"]
[EventDate "1956.03.12"]
[EventType "tourn"]
[EventRounds "17"]
[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. Nc3 d5 4. Bf4 Bg7 5. h3 0-0 6. e3 c5 7. dxc5 Nbd7 8. Be2 Nxc5 9. Be5 b6 10. b4 Ncd7 11. Bd4 Bb7 12. Bb5 Rc8 13. 0-0 Bh6 14. g4 Ne4 15. Nxe4 dxe4 16. Ne5 Nxe5 17. Bxe5 f6 18. Bg3 e5 19. Qxd8 Rfxd8 20. Rfd1 Kf8 21. Ba4 Ke7 22. Bb3 Ba6 23. h4 Rxd1+ 24. Rxd1 Be2 0-1

[Event "Mar del Plata International-19"]
[Site "Mar del Plata"]
[Date "1956.03.17"]
[Round "5"]
[White "Bolbochan, Julio"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "D41"]
[PlyCount "45"]
[EventDate "1956.03.12"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 c5 5. cxd5 Nxd5 6. Bg2 cxd4 7. 0-0 Be7 8. Nxd4 0-0 9. Nc3 Nxc3 10. bxc3 a6 11. Rb1 e5 12. Nc2 Bf5 13. Rxb7 Qxd1 14. Rxd1 Bxc2 15. Rxe7 Bxd1 16. Bxa8 Bxe2 17. Bd5 Bb5 18. Ba3 Nd7 19. c4 Ba4 20. Bd6 Nf6 21. Ra7 Nxd5 22. Bxf8 Kxf8 23. cxd5 1-0

[Event "Mar del Plata International-19"]
[Site "Mar del Plata"]
[Date "1956.03.16"]
[Round "4"]
[White "Olivera, Alfredo"]
[Black "Redolfi, Argentino Rodolfo"]
[Result "0-1"]
[ECO "A62"]
[PlyCount "58"]
[EventDate "1956.03.12"]
[EventType "tourn"]
[EventRounds "17"]
[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. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 Na6 10. e4 Bg4 11. h3 Bxf3 12. Bxf3 Qd7 13. Bg2 b5 14. Qe2 Nc7 15. a4 b4 16. Nd1 Rae8 17. Qc2 Qe7 18. f3 Nh5 19. g4 Ng3 20. Rf2 f5 21. Bf4 Be5 22. Bxe5 Qxe5 23. Qb3 Qf6 24. g5 Qe7 25. h4 fxe4 26. fxe4 Nxe4 27. Rxf8+ Qxf8 28. Rc1 Qg7 29. Qe3 Nc3 0-1

[Event "Mar del Plata International-19"]
[Site "Mar del Plata"]
[Date "1956.03.14"]
[Round "3"]
[White "Toth, Vince"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "141"]
[EventDate "1956.03.12"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 a5 7. Bd3 Bd7 8. dxc5 Bxc5 9. 0-0 Nge7 10. Qe2 Ng6 11. a4 Qc7 12. Re1 Ba7 13. Na3 Nce7 14. Nb5 Bxb5 15. Bxb5+ Nc6 16. h4 h6 17. h5 Nf8 18. Bf4 Nd7 19. Rad1 Nc5 20. Nd4 Ne4 21. Qg4 0-0-0 22. f3 Ng5 23. Bh2 Ne7 24. Kh1 Kb8 25. Bg1 g6 26. Bd3 gxh5 27. Qxh5 Bxd4 28. Bxd4 Nc6 29. Bg1 Rdg8 30. f4 Qe7 31. Bf2 Qf8 32. Kg1 Nh7 33. Re3 Rg7 34. Rh3 Qg8 35. g3 Nf8 36. Kf1 Ng6 37. Ke2 Nge7 38. Rdh1 Qd8 39. Qf3 d4 40. Rxh6 Rxh6 41. Rxh6 Qb6 42. Rh8+ Kc7 43. Bb5 Nf5 44. g4 Nfe7 45. g5 Qc5 46. Qe4 Qd5 47. Qxd5 Nxd5 48. cxd4 Nxf4+ 49. Kf3 Ng6 50. Rh5 Nge7 51. Ke4 Nb4 52. Be1 Nf5 53. d5 Nxd5 54. Bxa5+ b6 55. Be1 Kb7 56. Be8 Nc7 57. Bd7 Na6 58. Kf4 Nc5 59. Bb5 Nd4 60. b4 Nxb5 61. bxc5 Nc7 62. cxb6 Kxb6 63. Rh8 Nd5+ 64. Kg4 Ne3+ 65. Kh5 Kc6 66. Bb4 Nc4 67. Be7 Nb6 68. Bf6 Rg6 69. Rf8 Nxa4 70. Rxf7 Rg8 71. g6 1-0

[Event "Mar del Plata International-19"]
[Site "Mar del Plata"]
[Date "1956.03.13"]
[Round "2"]
[White "Olivera, Alfredo"]
[Black "Maderna, Carlos Hugo"]
[Result "1/2-1/2"]
[ECO "A63"]
[PlyCount "59"]
[EventDate "1956.03.12"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 a6 10. a4 Nbd7 11. Nd2 Rb8 12. Nc4 Qe7 13. a5 Ne5 14. Nb6 Nfd7 15. Nxc8 Rfxc8 16. f4 Ng4 17. Bh3 Ndf6 18. e4 h5 19. Re1 b5 20. e5 Re8 21. e6 Qa7 22. Qf3 Qb7 23. Bg2 c4 24. h3 Qa7+ 25. Be3 Nxe3 26. Qxe3 Qxe3+ 27. Rxe3 b4 28. Na4 Nd7 29. Re4 Nc5 30. Rxc4 1/2-1/2

[Event "Mar del Plata International-19"]
[Site "Mar del Plata"]
[Date "1956.03.12"]
[Round "1"]
[White "Pelikan, Jorge"]
[Black "Olivera, Alfredo"]
[Result "1/2-1/2"]
[ECO "A03"]
[PlyCount "126"]
[EventDate "1956.03.12"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. e3 Nc6 4. Bb5 Qb6 5. a4 a6 6. Bxc6+ Qxc6 7. Ne5 Qc7 8. Nc3 Nf6 9. Qf3 e6 10. e4 d4 11. Ne2 b6 12. 0-0 Bb7 13. d3 g6 14. Bd2 Bg7 15. Qh3 0-0 16. Nf3 Rfd8 17. f5 exf5 18. exf5 Re8 19. Ng3 Qd7 20. Ng5 h6 21. N5e4 Bxe4 22. dxe4 g5 23. Rae1 Re5 24. Nh5 Nxh5 25. Qxh5 f6 26. h4 Qe8 27. Qg4 Qe7 28. hxg5 hxg5 29. Qe2 a5 30. Qb5 Qd6 31. Qc4+ Kh8 32. Rf2 Rae8 33. Rfe2 Qc6 34. Qd3 Qxa4 35. b3 Qd7 36. c3 Rd8 37. Qa6 Qd6 38. b4 axb4 39. cxb4 Ree8 40. bxc5 bxc5 41. Qd3 Qe5 42. Rc1 Rb8 43. Be1 Qe7 44. Bg3 Rb6 45. Qc4 Bh6 46. Qxc5 Qxc5 47. Rxc5 g4 48. Rd5 Be3+ 49. Kh2 Rxe4 50. Ra2 Re7 51. Ra8+ Kg7 52. Rdd8 Kh6 53. Rg8 Rg7 54. Bh4 Bf4+ 55. Bg3 Bxg3+ 56. Kxg3 Rxg8 57. Rxg8 Rd6 58. Kxg4 d3 59. Rh8+ Kg7 60. Rh1 d2 61. Rd1 Rd4+ 62. Kf3 Kh6 63. Ke3 Rd5 1/2-1/2

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1956.??.??"]
[Round "?"]
[White "Ader Hausman, Walter"]
[Black "Olivera, Alfredo"]
[Result "0-1"]
[ECO "E14"]
[PlyCount "60"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 Ne4 6. 0-0 Be7 7. Nfd2 f5 8. Bxe4 fxe4 9. Nc3 0-0 10. d5 exd5 11. cxd5 Qe8 12. Ndxe4 Qg6 13. Ng3 Bb4 14. e4 Na6 15. Be3 Nc5 16. f3 Rae8 17. Nce2 Na6 18. a3 Bd6 19. b4 Kh8 20. Qd2 c5 21. dxc6 Bxc6 22. Nd4 Be5 23. Ngf5 Bb7 24. Rae1 d5 25. Bf4 dxe4 26. fxe4 Bxd4+ 27. Qxd4 Rxf5 28. Qd7 Bxe4 29. Rxe4 Rxe4 30. Qd3 Qe8 0-1

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1956.??.??"]
[Round "?"]
[White "Cantero, Ronaldo"]
[Black "Olivera, Alfredo"]
[Result "1/2-1/2"]
[ECO "D45"]
[PlyCount "47"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. Nf3 d5 6. e3 Ne4 7. Bd3 f5 8. 0-0 c6 9. Ne5 Nd7 10. Nxd7 Bxd7 11. f3 Nxc3 12. bxc3 Bd6 13. e4 fxe4 14. fxe4 Rxf1+ 15. Bxf1 Qh4 16. e5 Be7 17. Qf2 Rf8 18. g3 Qh5 19. Be2 Rxf2 20. Bxh5 Rf8 21. cxd5 cxd5 22. Kg2 Rc8 23. Rb1 b6 24. Bd2 1/2-1/2

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1956.??.??"]
[Round "?"]
[White "Najdorf, Miguel"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "43"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nd7 5. cxd5 exd5 6. Bf4 Ngf6 7. e3 Ne4 8. Bd3 Bb4 9. Qc2 f5 10. 0-0 0-0 11. Qb3 Bxc3 12. bxc3 Ndf6 13. c4 h6 14. cxd5 Nxd5 15. Be5 Rf7 16. Bxe4 fxe4 17. Nd2 Bf5 18. f3 Qg5 19. fxe4 Be6 20. Rxf7 Bxf7 21. exd5 Bxd5 22. Nf3 1-0

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1956.??.??"]
[Round "?"]
[White "Olivera, Alfredo"]
[Black "Alvarez del Monte, Jose Luis"]
[Result "0-1"]
[ECO "A40"]
[PlyCount "114"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nc6 2. d5 Nb8 3. c4 Nf6 4. Nc3 d6 5. e4 e5 6. h3 Be7 7. Bd3 c5 8. Nge2 Na6 9. 0-0 0-0 10. f4 exf4 11. Bxf4 Nd7 12. Ng3 f6 13. Nf5 Ne5 14. a3 Nc7 15. Qd2 a6 16. Rf2 Rb8 17. Raf1 Bxf5 18. Bxe5 Bg6 19. Bg3 b5 20. cxb5 axb5 21. Nd1 Qd7 22. Ne3 b4 23. axb4 Rxb4 24. Ra1 Bxe4 25. Nc2 Ra4 26. Rxa4 Qxa4 27. Bxe4 Qxe4 28. Re2 Qxd5 29. Qxd5+ Nxd5 30. Rd2 Nb6 31. Bxd6 Nc4 32. Bxe7 Nxd2 33. Bxf8 Kxf8 34. Kf2 Nb3 35. Ke3 Ke7 36. Ke4 Ke6 37. Ne3 g6 38. Nc4 f5+ 39. Kd3 Kd5 40. Ne3+ Kc6 41. Nc4 Nc1+ 42. Kd2 Na2 43. Ne5+ Kd6 44. Nf7+ Kd5 45. g4 fxg4 46. hxg4 Kc4 47. Nd6+ Kd4 48. g5 Nb4 49. Ne8 Nd3 50. Nf6 Nxb2 51. Nxh7 Nc4+ 52. Kc2 Ne5 53. Nf8 Kc4 54. Ne6 Kd5 55. Nf8 Kd6 56. Kc3 Ke7 57. Nh7 Nd7 0-1

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1956.??.??"]
[Round "?"]
[White "Olivera, Alfredo"]
[Black "Bauza, Lorenzo"]
[Result "1-0"]
[ECO "E21"]
[PlyCount "82"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 c5 5. d5 exd5 6. cxd5 d6 7. a3 Ba5 8. g3 0-0 9. Bg2 b5 10. 0-0 a6 11. Bf4 h6 12. Qc1 Bf5 13. b4 Bb6 14. bxc5 Bxc5 15. h3 Nbd7 16. g4 Bg6 17. Qb2 Nb6 18. Nd2 Re8 19. e3 Rc8 20. Bg3 Nfd7 21. Nce4 Ne5 22. Bxe5 Rxe5 23. Nxc5 Rxc5 24. e4 Re7 25. Rfc1 Rec7 26. Rxc5 Rxc5 27. Nb3 Na4 28. Qd2 Rc3 29. Nd4 Qb6 30. h4 Rc4 31. Nc6 Bxe4 32. Re1 Rc2 33. Qf4 Nc3 34. Bxe4 Ne2+ 35. Rxe2 Rxe2 36. Qf5 g6 37. Qf3 Re1+ 38. Kg2 Qc5 39. Ne7+ Kg7 40. g5 hxg5 41. hxg5 Qd4 1-0

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1956.??.??"]
[Round "?"]
[White "Olivera, Alfredo"]
[Black "Eliskases, Erich Gottlieb"]
[Result "0-1"]
[ECO "B66"]
[PlyCount "100"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Nb3 h6 9. Bf4 b5 10. f3 Be7 11. 0-0-0 Ne5 12. Qf2 Bd7 13. Bxe5 dxe5 14. Nc5 Qb6 15. Nd3 Qxf2 16. Nxf2 Bc6 17. Nd3 Nd7 18. g3 Bd6 19. Bg2 Ke7 20. Rd2 Nb6 21. f4 f6 22. fxe5 fxe5 23. Rf2 Rhf8 24. Rhf1 Rxf2 25. Rxf2 b4 26. Nd1 Bb5 27. Bf1 Nd7 28. Bg2 Bxd3 29. cxd3 Bc5 30. Rc2 Bg1 31. h3 Nc5 32. Bf1 Rf8 33. Be2 b3 34. axb3 Nxb3+ 35. Kb1 Nd4 36. Rd2 g6 37. Nc3 Rf2 38. Rd1 Bh2 39. Rf1 Rg2 40. Bg4 h5 41. Bxe6 Kxe6 42. Rf8 Bxg3 43. Ra8 Kf6 44. Rxa6+ Kg5 45. Nd5 Rg1+ 46. Ka2 Ne2 47. Re6 Nc1+ 48. Ka3 Nxd3 49. b4 Rb1 50. Ka4 Rxb4+ 0-1

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1956.??.??"]
[Round "?"]
[White "Olivera, Alfredo"]
[Black "Isain, Pedros Santos"]
[Result "1/2-1/2"]
[ECO "E19"]
[PlyCount "66"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. 0-0 Be7 6. c4 0-0 7. Nc3 Ne4 8. Qc2 f5 9. Ne5 d5 10. Be3 Nd7 11. Rad1 c6 12. cxd5 cxd5 13. Nxe4 dxe4 14. Nc6 Rc8 15. Nxd8 Rxc2 16. Nxb7 Rb8 17. Rc1 Rxc1 18. Rxc1 Rxb7 19. f3 Nf6 20. fxe4 Nxe4 21. Bxe4 fxe4 22. Bf4 Bf6 23. e3 Kf7 24. Rc7+ Rxc7 25. Bxc7 Ke7 26. Kf2 Kd7 27. Bb8 Kc8 28. Bd6 Kd7 29. Bb8 a6 30. Ke2 Kc6 31. Kd2 Kd5 32. Bc7 Kc6 33. Bb8 Kd5 1/2-1/2

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1956.??.??"]
[Round "?"]
[White "Olivera, Alfredo"]
[Black "Rossetto, Hector"]
[Result "0-1"]
[ECO "E39"]
[PlyCount "68"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 0-0 7. a3 Bxc5 8. b4 Be7 9. Bb2 b6 10. e3 Bb7 11. Be2 Rc8 12. Qb3 a5 13. b5 Nb8 14. 0-0 Qc7 15. Na4 Ng4 16. g3 d6 17. h3 Nf6 18. Nd2 Nbd7 19. Rac1 Ne4 20. Nxe4 Bxe4 21. f3 Bb7 22. f4 Rfd8 23. Qd1 Bf6 24. Bxf6 Nxf6 25. Bf3 Bxf3 26. Qxf3 d5 27. c5 bxc5 28. Rxc5 Qd6 29. Rxc8 Rxc8 30. b6 Qxa3 31. Qd1 Qxe3+ 32. Kh2 Nd7 33. b7 Rc7 34. Qb1 Qa7 0-1

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1956.??.??"]
[Round "?"]
[White "Olivera, Alfredo"]
[Black "Rubio Aguado, Fernando"]
[Result "1-0"]
[ECO "A46"]
[PlyCount "63"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 Nc6 5. 0-0 Qc7 6. c3 Be7 7. e4 d6 8. Na3 a6 9. Qe2 Bd7 10. Bd2 h6 11. Rfc1 e5 12. d5 Na7 13. b4 0-0 14. Nc4 Rfc8 15. bxc5 dxc5 16. Ncxe5 Be8 17. Nc4 b5 18. d6 Qb8 19. Rcb1 Bf8 20. e5 Nd7 21. Qe4 g6 22. Qh4 Kh7 23. Ne3 Bg7 24. Ng4 h5 25. Qxh5+ Kg8 26. Nh6+ Kf8 27. Ng5 Bxe5 28. Bxg6 Bxd6 29. Nf5 Bxh2+ 30. Kh1 Be5 31. Qh6+ Kg8 32. Qh7+ 1-0

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1956.??.??"]
[Round "?"]
[White "Souza Mendes, Joao"]
[Black "Olivera, Alfredo"]
[Result "0-1"]
[ECO "E87"]
[PlyCount "95"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Nh5 8. Qd2 f5 9. Bd3 f4 10. Bf2 Na6 11. g4 Nf6 12. h4 b6 13. Nh3 Nc5 14. Bc2 Ne8 15. g5 Bh8 16. Bg1 Ng7 17. Nf2 Nh5 18. Ng4 Bg7 19. Bh2 Bd7 20. 0-0-0 a5 21. Rdg1 a4 22. Rg2 Qe8 23. Qe2 Ra5 24. Nf2 Qf7 25. Rhg1 Rb8 26. Nd3 Qe8 27. Rd1 Qc8 28. Nb4 Qe8 29. Bg1 Bf8 30. Bf2 Be7 31. Rgg1 Na6 32. Nd3 Nc5 33. Nb4 Na6 34. Nd3 Nc5 35. Qd2 Qc8 36. Nxc5 bxc5 37. Nb5 Raxb5 38. cxb5 Bxb5 39. Qc3 Qa6 40. Rd2 Bd8 41. Rdd1 c6 42. Be1 Ng3 43. Rxg3 fxg3 44. Bxg3 Ba5 45. Qe3 cxd5 46. exd5 Be2 47. Bd3 Bxd3 48. Qxd3 0-1

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1956.??.??"]
[Round "?"]
[White "Zubieta, Magin"]
[Black "Olivera, Alfredo"]
[Result "1/2-1/2"]
[ECO "C19"]
[PlyCount "58"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Ne7 8. Nf3 Nbc6 9. a4 c4 10. Qc1 Bd7 11. Be2 Qd8 12. Qa3 b6 13. h3 0-0 14. 0-0 f6 15. exf6 Rxf6 16. Bg5 Rg6 17. Bh4 Qe8 18. Bxe7 Nxe7 19. Ne5 Rf6 20. a5 bxa5 21. Qxa5 Nc6 22. Qc7 Nxe5 23. dxe5 Rf7 24. Rxa7 Rxa7 25. Qxa7 Ba4 26. Qe3 Bxc2 27. Ra1 Rb7 28. Ra6 Bf5 29. Rd6 h6 1/2-1/2

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1953.??.??"]
[Round "9"]
[White "Gligoric, Svetozar"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "D55"]
[PlyCount "61"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 0-0 6. Nf3 Ne4 7. Bxe7 Qxe7 8. Rc1 Nf6 9. cxd5 exd5 10. Qc2 Nc6 11. Be2 Bg4 12. 0-0 Rad8 13. a3 Rfe8 14. b4 a6 15. Na4 Rd6 16. Nc5 Bc8 17. Rfd1 Ne4 18. Nxe4 dxe4 19. Nd2 Qh4 20. Nf1 Rf6 21. Ng3 Rh6 22. h3 Bxh3 23. gxh3 Qxh3 24. Bc4 Qh2+ 25. Kf1 Rf6 26. Ke1 h5 27. Qe2 h4 28. Nh5 Rf5 29. Nf4 Ne7 30. Qg4 g6 31. Ke2 1-0

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1953.??.??"]
[Round "4"]
[White "Kalkstein, Rodolfo"]
[Black "Olivera, Alfredo"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "73"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. Nxd5 Nxe5 5. Ne3 Nbc6 6. Nf3 Nxf3+ 7. Qxf3 g6 8. Bb5 Bd7 9. c3 Bg7 10. d4 0-0 11. Bd3 e5 12. d5 Ne7 13. 0-0 f5 14. d6 cxd6 15. Qxb7 Bc6 16. Qb4 a5 17. Qa3 a4 18. Nc4 d5 19. Bg5 Ra7 20. Qc5 Rc7 21. Na3 h6 22. Bxe7 Qxe7 23. Qb6 Ba8 24. Qxg6 Rc6 25. Qh5 Rcf6 26. Rfe1 Kh8 27. Kh1 e4 28. Bb5 Rg8 29. Nc2 Qb7 30. Nd4 Bf8 31. Rab1 f4 32. Bxa4 Rfg6 33. Qe5+ Bg7 34. Qxf4 Rxg2 35. Bc6 Qa6 36. Bxa8 Bxd4 37. cxd4 1-0

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1953.??.??"]
[Round "1"]
[White "Olivera, Alfredo"]
[Black "Linskens, Rogelio Carlos"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "45"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nbd2 Nbd7 6. Bd3 Be7 7. b3 0-0 8. Bb2 c5 9. 0-0 b6 10. Qe2 Bb7 11. Rad1 Re8 12. Ne5 Qc7 13. f4 Ne4 14. cxd5 exd5 15. Nxe4 dxe4 16. Bc4 Nxe5 17. fxe5 Rf8 18. d5 Bg5 19. Rf5 Bh6 20. Rdf1 b5 21. d6 Qb6 22. Bxf7+ Kh8 23. g4 1-0

