[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1971.??.??"]
[Round "?"]
[White "Dienavorian Lacherian, Manuel"]
[Black "Tierra, W."]
[Result "1-0"]
[ECO "E95"]
[PlyCount "121"]
[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. c4 d6 2. d4 Nf6 3. Nc3 g6 4. e4 Bg7 5. Be2 Nbd7 6. Nf3 c6 7. 0-0 0-0 8. Re1 Qc7 9. Bf1 e5 10. d5 h6 11. h3 Kh7 12. Be3 a6 13. Rc1 c5 14. a3 Rb8 15. b4 b6 16. Qa4 Bb7 17. Qd1 Qd8 18. Rb1 Nh5 19. Nd2 Bc8 20. Nb3 Qh4 21. Qg4 Qd8 22. Qf3 Rb7 23. Nc1 cxb4 24. axb4 Rc7 25. Na4 Rb7 26. g4 Nhf6 27. Ne2 Qc7 28. Ng3 a5 29. c5 dxc5 30. bxc5 Nxc5 31. Rec1 Nfd7 32. Qd1 Qd6 33. Nxc5 bxc5 34. Qa4 Rxb1 35. Rxb1 Qc7 36. Ra1 Rg8 37. Qxa5 Qxa5 38. Rxa5 Bf8 39. Bb5 Kg7 40. Bxd7 Bxd7 41. Bxc5 Bxc5 42. Rxc5 Kf6 43. Rc7 Ke7 44. Ra7 Kd6 45. Nf1 Rb8 46. Kg2 Rb4 47. Kf3 h5 48. Ra6+ Ke7 49. Ne3 h4 50. Ra3 Kd6 51. Ra8 Bb5 52. Ra3 Bd7 53. Ra7 Rb3 54. Ra6+ Ke7 55. Ra8 f5 56. exf5 gxf5 57. gxf5 Bxf5 58. Rh8 Bxh3 59. Rxh4 Bf5 60. Rh5 Kf6 61. Rxf5+ 1-0

[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1971.??.??"]
[Round "?"]
[White "Silva Nazzari, Roberto"]
[Black "Tierra, W."]
[Result "1-0"]
[ECO "B45"]
[PlyCount "27"]
[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 Nf6 5. Nc3 e6 6. Ndb5 a6 7. Nd6+ Bxd6 8. Qxd6 Qa5 9. Bd2 Qe5 10. Qxe5 Nxe5 11. f4 Ng6 12. e5 Nh5 13. g3 Ne7 14. g4 1-0

[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1971.??.??"]
[Round "?"]
[White "Tierra, W."]
[Black "Buscio, Jorge"]
[Result "1-0"]
[ECO "C17"]
[PlyCount "67"]
[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. e5 c5 5. Bd2 Ne7 6. Nb5 Bxd2+ 7. Qxd2 0-0 8. f4 cxd4 9. Nxd4 Nbc6 10. Ngf3 Nxd4 11. Nxd4 Bd7 12. Bd3 Nc6 13. Nf3 Qa5 14. c3 b5 15. 0-0 b4 16. Qf2 bxc3 17. Bxh7+ Kxh7 18. Qh4+ Kg8 19. Ng5 Rfb8 20. bxc3 Qxc3 21. Qh7+ Kf8 22. Qh8+ Ke7 23. Qxg7 Be8 24. Rac1 Qe3+ 25. Kh1 Rc8 26. Nxe6 Rcb8 27. Qf6+ Kd7 28. Nc5+ Kc7 29. Qd6+ Kb6 30. Rb1+ Ka5 31. Nb3+ Ka4 32. Qxd5 Rb4 33. Rfc1 Ne7 34. Qa5# 1-0

[Event "URU-ch sf"]
[Site "Uruguay"]
[Date "1971.??.??"]
[Round "?"]
[White "Tierra, W."]
[Black "Cao, Jorge"]
[Result "0-1"]
[ECO "E24"]
[PlyCount "82"]
[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. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 0-0 6. Nf3 c5 7. Bf4 Qa5 8. Bd2 Nc6 9. Qc2 Qc7 10. e4 d6 11. Be2 b6 12. 0-0 Ba6 13. Rfe1 e5 14. Bg5 Ne8 15. Rad1 f6 16. Be3 Na5 17. Qa4 Qc6 18. Qc2 cxd4 19. cxd4 Bxc4 20. Rc1 Bxe2 21. Qxc6 Nxc6 22. Rxe2 Ne7 23. Rec2 g5 24. h3 Kf7 25. dxe5 dxe5 26. Rd1 Ng7 27. Rc7 Ne6 28. Rb7 Rfb8 29. Rdd7 Rxb7 30. Rxb7 Nd8 31. Rc7 Ndc6 32. Rd7 Rd8 33. Rxd8 Nxd8 34. Nd2 Nec6 35. Nc4 Ke7 36. Kh2 Ne6 37. Kg3 Ned4 38. Kg4 Nc2 39. Bc1 b5 40. Ne3 Nxe3+ 41. Bxe3 a5 0-1

