[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1971.??.??"]
[Round "?"]
[White "Ibarburu, L."]
[Black "Benitez, Otto"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "108"]
[EventDate "1971.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. Be2 Bb4 9. f3 d5 10. 0-0 Bxc3 11. bxc3 0-0 12. Bg5 Qe5 13. Bxf6 Qxf6 14. exd5 exd5 15. Nd4 Bd7 16. Rb1 b6 17. Nxc6 Qxc6 18. Bb5 Qc5+ 19. Qd4 Qxd4+ 20. cxd4 Bxb5 21. Rxb5 Rfd8 22. Re1 Kf8 23. Rb3 Rac8 24. c3 Rc4 25. Kf2 Ra4 26. Re2 Ra5 27. Reb2 Rc8 28. Ke3 Rc4 29. a3 Ke7 30. Kd3 Rca4 31. Ra2 Kd6 32. g3 Kc6 33. Kc2 b5 34. Kb2 Ra6 35. Ra1 Rb6 36. Re1 Rb7 37. Rb4 Ra6 38. Ka2 Rab6 39. Rb2 a5 40. Rbe2 b4 41. cxb4 axb4 42. a4 b3+ 43. Kb2 Ra7 44. Ra1 Rb4 45. a5 Kb5 46. Re8 Rxd4 47. Kc3 Ra4 48. Rb8+ Kxa5 49. Rxa4+ Kxa4 50. Rb4+ Ka5 51. Rxb3 Re7 52. Kd4 Rd7 53. Kc5 Ka4 54. Rb4+ Ka5 1/2-1/2

[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1971.??.??"]
[Round "?"]
[White "Ibarburu, L."]
[Black "Cao, Jorge"]
[Result "1-0"]
[ECO "C15"]
[PlyCount "61"]
[EventDate "1971.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[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. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7. Qxg7 Rg8 8. Qh6 c5 9. Bb2 Nc6 10. 0-0-0 Rg6 11. Qd2 Bd7 12. Ne2 Qa5 13. Nf4 Rg8 14. d5 exd5 15. Nxd5 Nxd5 16. Qxd5 0-0-0 17. Qxe4 Rg4 18. f4 f5 19. Qf3 Ne7 20. Bd3 Qc7 21. Rhe1 Rxf4 22. Qh3 Nc6 23. c4 Nd4 24. Rf1 Be6 25. Qe3 Rxf1 26. Rxf1 Qd7 27. Qe5 Qd6 28. Qf6 Qf8 29. Bxd4 cxd4 30. Qxe6+ Kb8 31. Qe5+ 1-0

[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1971.??.??"]
[Round "?"]
[White "Ibarburu, L."]
[Black "Elemberg, Norberto"]
[Result "0-1"]
[ECO "B15"]
[PlyCount "60"]
[EventDate "1971.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. Nc3 d5 5. e5 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. Bf4 Nd7 9. Bd3 Qb6 10. 0-0-0 a5 11. h4 a4 12. h5 Qa5 13. hxg6 hxg6 14. Rxh8 Bxh8 15. Ne2 c5 16. Rh1 Bg7 17. Bd2 Qc7 18. Rh7 Nxe5 19. dxe5 Qxe5 20. Bc3 d4 21. Bd2 a3 22. b3 Ne7 23. Bf4 Qf6 24. Ng3 Nd5 25. Ne4 Qxf4+ 26. Qxf4 Nxf4 27. Rxg7 Ke7 28. g3 Nd5 29. Bc4 Nb4 30. Kb1 Rh8 0-1

[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1971.??.??"]
[Round "?"]
[White "Ibarburu, L."]
[Black "Olivera, Juan Francisco"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "74"]
[EventDate "1971.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 Bg7 5. Be3 c6 6. Qd2 0-0 7. h4 h5 8. 0-0-0 b5 9. Bh6 a5 10. Bxg7 Kxg7 11. Kb1 Qc7 12. Re1 e5 13. Nge2 b4 14. Nd1 c5 15. d5 Nbd7 16. g4 Rh8 17. Ng3 c4 18. Nxh5+ gxh5 19. gxh5 Rxh5 20. Bxc4 Nb6 21. Reg1+ Kf8 22. Bb5 Bd7 23. Bxd7 Nbxd7 24. Rg5 Ke7 25. Ne3 Rg8 26. Nf5+ Kd8 27. Rhg1 Rhxg5 28. hxg5 Ne8 29. Rc1 Nc5 30. b3 Qb6 31. Ne3 Nb7 32. Nc4 Qc5 33. f4 exf4 34. Qxf4 Qd4 35. Rf1 Rg7 36. Ne3 Qe5 37. Qf2 Qc3 0-1

[Event "Match/Nation URU-URS"]
[Site "Montevideo"]
[Date "1954.??.??"]
[Round "1.4"]
[White "Ibarburu, L."]
[Black "Kotov, Alexander"]
[Result "1/2-1/2"]
[ECO "B92"]
[PlyCount "103"]
[EventDate "1954.04.??"]
[EventType "team"]
[EventRounds "2"]
[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 a6 6. Be2 e5 7. Nb3 Nbd7 8. Be3 Be7 9. 0-0 0-0 10. a4 b6 11. f3 Bb7 12. Bc4 Qc7 13. Qe2 Rfc8 14. Nd2 Nc5 15. Bxc5 Qxc5+ 16. Kh1 Nh5 17. g3 Nf6 18. Bb3 Rd8 19. Rad1 Rac8 20. Nc4 Bf8 21. Ne3 Qa5 22. Rd2 g6 23. Rfd1 Kg7 24. Ncd5 Nxd5 25. Nxd5 Rc5 26. Qe3 Rdc8 27. f4 Bxd5 28. Rxd5 Rxd5 29. Rxd5 Rc5 30. fxe5 Rxd5 31. exd5 Qc5 32. Qxc5 bxc5 33. exd6 Bxd6 34. a5 Bc7 35. Bc4 Bxa5 36. Bxa6 Bc7 37. Kg2 Kf6 38. Bc4 Bd6 39. Kf3 Ke5 40. c3 f5 41. Ba2 g5 42. Bb1 g4+ 43. Kg2 Be7 44. h3 h5 45. hxg4 hxg4 46. Kf2 f4 47. gxf4+ Kxf4 48. Bd3 g3+ 49. Kg2 Ke3 50. b4 cxb4 51. Bb5 Bd6 52. cxb4 1/2-1/2

[Event "Match/Nation URU-URS"]
[Site "Montevideo"]
[Date "1954.??.??"]
[Round "2.4"]
[White "Kotov, Alexander"]
[Black "Ibarburu, L."]
[Result "1-0"]
[ECO "A36"]
[PlyCount "81"]
[EventDate "1954.04.??"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "URU"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e3 Nc6 6. Nge2 d6 7. 0-0 Bd7 8. d4 Qc8 9. Re1 Bh3 10. Bh1 h5 11. Nf4 h4 12. Nxh3 hxg3 13. hxg3 Qxh3 14. Bg2 Qh2+ 15. Kf1 Nd7 16. a3 cxd4 17. exd4 Kf8 18. Be3 Rb8 19. Ne4 Qh5 20. b4 Qxd1 21. Raxd1 Nb6 22. c5 Nc4 23. d5 N6e5 24. Bd4 Nxa3 25. cxd6 exd6 26. Nxd6 Nec4 27. Bxa7 Ra8 28. Nxc4 Rxa7 29. Nxa3 Rxa3 30. d6 Bf6 31. d7 Kg7 32. Re8 Ra8 33. Rxa8 Rxa8 34. Bxb7 Rb8 35. Bc8 Bd8 36. Re1 Rxb4 37. Re8 Rb1+ 38. Kg2 Bb6 39. d8Q Bxd8 40. Rxd8 Rb8 41. Re8 1-0

