[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.26"]
[Round "1"]
[White "Larsen, Bent"]
[Black "Andersson, Ulf"]
[Result "1-0"]
[ECO "A11"]
[EventDate "1979.11.26"]
[PlyCount "81"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 g6 4. c4 c6 5. b3 Bg7 6. Bb2 O-O 7. O-O b6 8. d4 Bb7 9. Nbd2 Nbd7 10. Qb1 e6 11. Rc1 c5 12. cxd5 Bxd5 13. dxc5 Nxc5 14. Bd4 Qe7 15. Qb2 Rfc8 16. Rc2 Nce4 17. Rac1 Rxc2 18. Rxc2 Nxd2 19. Nxd2 Bxg2 20. Kxg2 Ne8 21. Bxg7 Nxg7 22. Qc3 Ne8 23. Nf3 Rd8 24. Ne5 Rd5 25. b4 a5 26. Ng4 h5 27. Ne3 Rb5 28. bxa5 bxa5 29. Qc6 Rb7 30. Nc4 Rc7 31. Qa4 Qd8 32. f3 Nf6 33. Qxa5 Nd5 34. Kf2 Qb8 35. Rb2 Qf8 36. Nd2 Qg7 37. Qa3 Qd4+ 38. e3 Ra7 39. Rb8+ Kh7 40. Rh8+ Kxh8 41. Qf8+ 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.26"]
[Round "1"]
[White "Lombardy, William James"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "A19"]
[EventDate "1979.11.26"]
[PlyCount "45"]

1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. d4 cxd4 6. Qxd4 Nc6 7. Qe4 d6 8. Nf3 dxe5 9. Nxe5 Bd7 10. Nxd7 Qxd7 11. Bf4 Nf6 12. Qd3 Rd8 13. Qxd7+ Rxd7 14. Rc1 Bd6 15. Bxd6 Rxd6 16. c5 Rd7 17. Bb5 Ke7 18. Bxc6 bxc6 19. Ke2 Rb8 20. b3 Rb4 21. Rhd1 Nd5 22. Na4 e5 23. g3 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.26"]
[Round "1"]
[White "Petrosian, Tigran"]
[Black "Miles, Anthony John"]
[Result "1/2-1/2"]
[ECO "A36"]
[EventDate "1979.11.26"]
[PlyCount "38"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. d3 Nf6 6. Bg5 b6 7. e4 O-O 8. Nge2 Bb7 9. Qd2 a6 10. O-O Rb8 11. h3 Ne8 12. Nd5 Ba8 13. f4 b5 14. cxb5 Rxb5 15. Nec3 Rb8 16. f5 Nf6 17. Rae1 d6 18. b3 Ne5 19. fxg6 fxg6 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.26"]
[Round "1"]
[White "Quinteros, Miguel Angel"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "C95"]
[EventDate "1979.11.26"]
[PlyCount "201"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 c5 16. d5 c4 17. Bg5 Nc5 18. Qd2 Be7 19. Be3 Qc7 20. Nh2 Rab8 21. Rf1 bxa4 22. Bxa4 Nxa4 23. Rxa4 Bc8 24. Qe2 Rb3 25. Rfa1 Qb8 26. Bc1 Nd7 27. Qxc4 Nc5 28. Rb4 Rxb4 29. cxb4 Nd7 30. Be3 Nf6 31. Bd2 h5 32. Nf3 Bd8 33. Ra3 Bb6 34. Be3 Bxe3 35. Rxe3 Qb6 36. Ra3 Bb7 37. Rb3 Rc8 38. Qe2 Kg7 39. b5 Rc1+ 40. Kh2 Bc8 41. Qd2 Rc4 42. Qd3 Qc5 43. b6 Bb7 44. Nd2 Ra4 45. f3 h4 46. Ngf1 Nh5 47. Qc3 Qf2 48. Qe3 Qxe3 49. Nxe3 Kf8 50. Rc3 Rb4 51. Ndc4 Ng3 52. Nc2 Rb5 53. N2a3 Rb4 54. Nc2 Rb5 55. b4 Ne2 56. Ra3 Nd4 57. Nxd4 exd4 58. Rb3 Ke7 59. Kg1 a5 60. Nxa5 Rxb6 61. b5 Bc8 62. Nc6+ Kf6 63. Nxd4 Ke5 64. Nc6+ Kf4 65. Rb4 Ke3 66. Na5 Rb8 67. Nc4+ Kd4 68. Na3+ Kc3 69. Rb1 f5 70. b6 Ba6 71. Nb5+ Bxb5 72. Rxb5 fxe4 73. fxe4 Kd4 74. Rb4+ Kc5 75. Rb1 Kd4 76. Rf1 Kxe4 77. Rf6 Rxb6 78. Rxg6 Kxd5 79. Rg4 Ke5 80. Rxh4 d5 81. Rh8 d4 82. Kf2 Rb2+ 83. Kf3 Rb3+ 84. Kg4 Rb2 85. Re8+ Kd5 86. Kf3 Rb3+ 87. Kf4 Rb2 88. Kf3 Rb3+ 89. Kf4 Rb1 90. Rd8+ Kc4 91. Rc8+ Kd5 92. Rd8+ Kc4 93. g4 Rf1+ 94. Kg5 d3 95. h4 Kc3 96. h5 d2 97. h6 d1=Q 98. Rxd1 Rxd1 99. Kg6 Kd4 100. h7 Rh1 101. Kg7 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.26"]
[Round "1"]
[White "Rubinetti, Jorge Alberto"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "D58"]
[EventDate "1979.11.26"]
[PlyCount "72"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. Be2 Bb7 9. Bxf6 Bxf6 10. cxd5 exd5 11. Qb3 Re8 12. O-O c6 13. Rfd1 Na6 14. Rac1 Nc7 15. Ne1 Ne6 16. Bg4 g6 17. Nd3 h5 18. Bxe6 Rxe6 19. Qc2 a5 20. a3 Ba6 21. b4 axb4 22. axb4 Bc4 23. Nb2 b5 24. Rb1 Re7 25. Nd3 h4 26. h3 Qd6 27. Nc5 Rea7 28. Qb2 Bd8 29. Ra1 Bc7 30. f4 g5 31. Rxa7 Rxa7 32. Ra1 Rxa1+ 33. Qxa1 gxf4 34. e4 f3 35. e5 Qg6 36. Qb2 f6 {Time} 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.26"]
[Round "1"]
[White "Spassky, Boris"]
[Black "Franco Ocampos, Zenon"]
[Result "1-0"]
[ECO "B25"]
[EventDate "1979.11.26"]
[PlyCount "81"]

1. e4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. d3 d6 6. Nh3 e5 7. f4 Nge7 8. O-O exf4 9. Nxf4 O-O 10. Be3 Rb8 11. Qd2 b5 12. a3 a5 13. Rab1 b4 14. Ncd5 Nxd5 15. Nxd5 Be6 16. Nf4 Bd7 17. c3 Ne5 18. Kh1 b3 19. Rbd1 Bb5 20. Qe2 Re8 21. h3 Rb7 22. g4 h6 23. Bg1 Rbe7 24. Bh2 c4 25. d4 Nd3 26. Nxd3 cxd3 27. Qf3 d2 28. Rf2 Rxe4 29. Qxf7+ Kh7 30. Rfxd2 Re1+ 31. Bg1 Qh4 32. c4 R8e7 33. Qd5 Bd7 34. Qxd6 Bxg4 35. Rxe1 Rxe1 36. Qf4 h5 37. Rf2 Rd1 38. Rd2 Re1 39. Kh2 Bh6 40. Qf7+ Bg7 41. Bf2 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.26"]
[Round "1"]
[White "Tempone, Marcelo"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[ECO "A36"]
[EventDate "1979.11.26"]
[PlyCount "69"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. a3 a6 6. Rb1 Rb8 7. b4 cxb4 8. axb4 b5 9. cxb5 axb5 10. e3 Bb7 11. Nf3 Ne5 12. O-O Nxf3+ 13. Bxf3 Nf6 14. Bb2 O-O 15. Bxb7 Rxb7 16. Qe2 Qb8 17. Rfc1 d5 18. Qd3 e6 19. Ne2 Rc8 20. Rxc8+ Qxc8 21. Rc1 Qe8 22. Qc2 h6 23. Be5 Nd7 24. Qc8 Qxc8 25. Rxc8+ Kh7 26. Bxg7 Kxg7 27. Nd4 Ne5 28. Rc5 Nd3 29. Rxb5 Rxb5 30. Nxb5 Nxb4 31. d4 Kf6 32. Kg2 g5 33. g4 Kg6 34. Nd6 f5 35. h3 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.27"]
[Round "2"]
[White "Andersson, Ulf"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[ECO "D27"]
[EventDate "1979.11.26"]
[PlyCount "38"]

1. Nf3 Nf6 2. d4 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a3 cxd4 8. Nxd4 Bd6 9. Nf3 O-O 10. Qe2 Nc6 11. e4 Qc7 12. h3 b5 13. Ba2 Ne5 14. Nc3 Bb7 15. Bg5 Nxf3+ 16. Qxf3 Be5 17. Rac1 Qe7 18. Bb1 Rfc8 19. Bf4 Bxf4 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.27"]
[Round "2"]
[White "Franco Ocampos, Zenon"]
[Black "Tempone, Marcelo"]
[Result "1-0"]
[ECO "C42"]
[EventDate "1979.11.26"]
[PlyCount "99"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8. Bxe2 Nbd7 9. Nc3 h6 10. Bh4 g5 11. Bg3 Nc5 12. O-O-O Bd7 13. Rhe1 O-O-O 14. Bf1 Bg7 15. d4 Ne6 16. Bb5 Rhe8 17. d5 Nc5 18. Rxe8 Rxe8 19. Bxd7+ Nfxd7 20. Nd4 Nb6 21. Ncb5 Kd7 22. Nf5 Bf8 23. f3 Re2 24. Nc3 Re8 25. b3 Kc8 26. h3 a5 27. a4 Nbd7 28. Bf2 Re5 29. g4 Re8 30. Bd4 b6 31. Kd2 Ne5 32. Bxe5 Rxe5 33. Rh1 h5 34. Re1 Rxe1 35. Kxe1 hxg4 36. hxg4 Kd7 37. Ne4 Nxe4 38. fxe4 Be7 39. Nh6 Ke8 40. c3 Bf6 41. Kd2 Be5 42. b4 Ke7 43. bxa5 bxa5 44. Kd3 Bf4 45. Nf5+ Kd7 46. Nd4 Kc8 47. Nc6 Kb7 48. Nxa5+ Kb6 49. Nc6 Kc5 50. Nd8 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.27"]
[Round "2"]
[White "Gheorghiu, Florin"]
[Black "Lombardy, William James"]
[Result "1/2-1/2"]
[ECO "A88"]
[EventDate "1979.11.26"]
[PlyCount "36"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nf3 O-O 6. Nc3 d6 7. d5 c6 8. O-O Qa5 9. a3 Qa6 10. Nd2 cxd5 11. cxd5 Nbd7 12. a4 Ne5 13. Nb5 Qb6 14. Nf3 Nxf3+ 15. Bxf3 Bd7 16. Be3 Qa5 17. Bd2 Qb6 18. Be3 Qa5 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.27"]
[Round "2"]
[White "Ivkov, Borislav"]
[Black "Larsen, Bent"]
[Result "0-1"]
[ECO "A30"]
[EventDate "1979.11.26"]
[PlyCount "70"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. g3 Bb7 5. Bg2 g6 6. b3 Bg7 7. Bb2 O-O 8. O-O Na6 9. d4 cxd4 10. Nxd4 Bxg2 11. Kxg2 Nc5 12. Rc1 Qb8 13. f3 h5 14. Qd2 Kh7 15. b4 Bh6 16. e3 Nb7 17. Qd3 Nd6 18. Nd5 Nxd5 19. cxd5 Qb7 20. Nb3 Rac8 21. b5 Rxc1 22. Rxc1 Rc8 23. a4 Rxc1 24. Bxc1 Qc7 25. Bd2 Nc4 26. f4 Bg7 27. Bc1 Nb2 28. Bxb2 Bxb2 29. Nd2 Qc1 30. Nf3 Kg7 31. h3 Bc3 32. g4 Qb2+ 33. Kg3 h4+ 34. Nxh4 Be1+ 35. Kf3 Bxh4 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.27"]
[Round "2"]
[White "Miles, Anthony John"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "A65"]
[EventDate "1979.11.26"]
[PlyCount "115"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Bd3 O-O 7. Nge2 e6 8. O-O exd5 9. cxd5 a6 10. a4 b6 11. Rb1 Nbd7 12. b4 cxb4 13. Rxb4 Nc5 14. Bc2 Bd7 15. f3 b5 16. axb5 Qa5 17. Rb1 axb5 18. Qe1 b4 19. Nd1 Bb5 20. Nf2 Rfe8 21. Bd1 Nxd5 22. exd5 Qa2 23. Qxb4 Bxe2 24. Bxe2 Rxe2 25. Bf4 Qxd5 26. Rbd1 Qb3 27. Qxb3 Nxb3 28. Rb1 Nd2 29. Rbe1 Rxe1 30. Rxe1 Nc4 31. Rd1 Nb2 32. Rb1 d5 33. Kf1 Nc4 34. Nd3 Bf8 35. Rb8 Rxb8 36. Bxb8 g5 37. Be5 f5 38. Bf6 h6 39. h4 g4 40. fxg4 fxg4 41. Nf4 Ne3+ 42. Kf2 Bc5 43. Ne6 Ba3 44. Kxe3 Kf7 45. Nc7 Kxf6 46. Nxd5+ Ke5 47. Nc3 Bc5+ 48. Kd3 Bf2 49. h5 Kf4 50. Ne2+ Kf5 51. Nc3 Ke5 52. Ne2 Be1 53. Nd4 Bh4 54. Ne2 Bd8 55. Nd4 Bb6 56. Ne2 Kf5 57. Nc3 Ba5 58. Ne2 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.27"]
[Round "2"]
[White "Najdorf, Miguel"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "A12"]
[EventDate "1979.11.26"]
[PlyCount "37"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O h6 5. b3 Bf5 6. Bb2 e6 7. d3 Nbd7 8. Nbd2 Bh7 9. c4 Be7 10. Ne5 Nxe5 11. Bxe5 O-O 12. Nf3 Ba3 13. Qc2 Qe7 14. Bb2 Rfd8 15. Bxa3 Qxa3 16. Qc1 Qe7 17. Qb2 a5 18. a3 Nd7 19. Rfc1 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.27"]
[Round "2"]
[White "Quinteros, Miguel Angel"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1-0"]
[ECO "E01"]
[EventDate "1979.11.26"]
[PlyCount "63"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nf3 d4 8. O-O Nc6 9. e3 Bc5 10. exd4 exd4 11. Nbd2 d3 12. Nb3 Be7 13. Be3 O-O 14. Nbd4 Ng4 15. Qxd3 Bc5 16. Rad1 Nxe3 17. fxe3 Bg4 18. Qe4 Bxf3 19. Qxf3 Qg5 20. Qf4 Qxf4 21. gxf4 Rad8 22. Bxc6 bxc6 23. Kg2 g6 24. Nxc6 Rxd1 25. Rxd1 Bxe3 26. Kf3 Bc5 27. Rd5 Bg1 28. c5 Kg7 29. b4 Bxh2 30. Rg5 Rc8 31. b5 a6 32. b6 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.29"]
[Round "3"]
[White "Larsen, Bent"]
[Black "Quinteros, Miguel Angel"]
[Result "1-0"]
[ECO "E90"]
[EventDate "1979.11.26"]
[PlyCount "147"]

1. c4 Nf6 2. Nc3 g6 3. e4 Bg7 4. d4 d6 5. Nf3 O-O 6. Be3 Nbd7 7. Nd2 c5 8. d5 e6 9. Be2 Ne8 10. O-O e5 11. Qc2 f5 12. exf5 gxf5 13. f4 e4 14. Kh1 Bd4 15. Nd1 Ndf6 16. Nb3 Bxe3 17. Nxe3 Rf7 18. Nd2 h5 19. g3 Ng4 20. Ng2 Rg7 21. Qc3 Qf6 22. Qxf6 Nexf6 23. Rfc1 Bd7 24. Rc3 Kf7 25. Ra3 Rgg8 26. Kg1 Rgb8 27. h3 Nh6 28. Ne3 a6 29. Kf2 b5 30. Ra5 Ke7 31. Rc1 Nf7 32. cxb5 axb5 33. Rxa8 Rxa8 34. a3 Nh8 35. Nb1 Ng6 36. Nc3 Rb8 37. h4 Nh8 38. b4 Nf7 39. Rb1 c4 40. Bf1 Nh6 41. Bh3 Ra8 42. Ra1 Rb8 43. Ne2 Rc8 44. Nd4 Nhg4+ 45. Bxg4 Nxg4+ 46. Nxg4 hxg4 47. Ke3 Kf6 48. Ra2 Rc7 49. Ne2 Rb7 50. Nc3 Ke7 51. Kd4 Kf6 52. Ra1 Kg6 53. Ke3 Kh5 54. Kd2 Kg6 55. Kc2 Kh5 56. Kb2 Kg6 57. Ka2 Kf6 58. Rb1 Ke7 59. a4 Kf6 60. axb5 Bxb5 61. Ka3 Ke7 62. Kb2 Be8 63. Kc2 Kd8 64. Kd2 Kc7 65. Ke3 Kb6 66. Kd4 Bb5 67. Ra1 Rb8 68. Nd1 c3 69. Ne3 c2 70. Nxc2 Rc8 71. Ne3 Bd3 72. h5 Kb5 73. h6 Rc7 74. Rh1 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.29"]
[Round "3"]
[White "Lombardy, William James"]
[Black "Franco Ocampos, Zenon"]
[Result "0-1"]
[ECO "A34"]
[EventDate "1979.11.26"]
[PlyCount "60"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 c5 5. Bg2 Nc7 6. f4 g6 7. b3 Bg7 8. Bb2 O-O 9. Qc1 Nd7 10. Ne4 Bxb2 11. Qxb2 Ne6 12. Rc1 Rb8 13. Nf3 b6 14. Nf2 Bb7 15. Ng4 Nf6 16. Nxf6+ exf6 17. O-O Re8 18. e3 Bxf3 19. Bxf3 f5 20. h3 Qd6 21. Rf2 Rbd8 22. g4 Ng7 23. Kg2 Re6 24. a3 a5 25. Rc4 Qd3 26. Rc3 Qb5 27. b4 axb4 28. axb4 Red6 29. Rc2 cxb4 30. Be2 Qa5 {Time} 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.29"]
[Round "3"]
[White "Panno, Oscar"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1979.11.26"]
[PlyCount "82"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 b6 4. g3 Bb7 5. Bg2 e6 6. O-O Be7 7. Re1 a6 8. e4 d6 9. b3 O-O 10. d4 cxd4 11. Nxd4 Qc7 12. Bb2 Nbd7 13. Rc1 Rfe8 14. Rc2 Rad8 15. Bc1 Bf8 16. g4 h6 17. h4 g6 18. g5 hxg5 19. hxg5 Nh7 20. Be3 Bg7 21. Nde2 Nc5 22. Qd2 Qb8 23. Rd1 Qa8 24. f3 a5 25. Qc1 Qc8 26. Rcd2 Bf8 27. Bh3 Be7 28. Nd5 Bxd5 29. Rxd5 Qc7 30. R5d4 e5 31. Rd5 Ne6 32. Bxe6 fxe6 33. Rb5 Rb8 34. Kf2 Rf8 35. Rh1 Qd8 36. Rg1 Rf7 37. Rg3 Nf8 38. Kg2 Rh7 39. Ng1 Nd7 40. Rh3 Rxh3 41. Nxh3 Kg7 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.29"]
[Round "3"]
[White "Petrosian, Tigran"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "A32"]
[EventDate "1979.11.26"]
[PlyCount "44"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. e3 Nc6 6. Be2 Bb4+ 7. Bd2 Bxd2+ 8. Qxd2 Ne4 9. Qc2 Qa5+ 10. Nd2 Nxd2 11. Qxd2 Qxd2+ 12. Kxd2 Ke7 13. Rhd1 Rd8 14. Kc3 Nxd4 15. Rxd4 b6 16. Bf3 Rb8 17. b3 Bb7 18. Bxb7 Rxb7 19. Rad1 Rc8 20. Kb4 Rc5 21. R1d2 Rbc7 22. h4 h5 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.29"]
[Round "3"]
[White "Rubinetti, Jorge Alberto"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "B22"]
[EventDate "1979.11.26"]
[PlyCount "82"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nc6 6. Be2 cxd4 7. cxd4 Nf6 8. O-O Be7 9. Nc3 Qd6 10. Bg5 O-O 11. Qd2 b6 12. Rfd1 Bb7 13. a3 Na5 14. Qe3 Nd5 15. Bxe7 Qxe7 16. Nxd5 Bxd5 17. b4 Nb7 18. Ne5 Nd6 19. Bf3 Nf5 20. Qf4 Qb7 21. Bxd5 Qxd5 22. Ng4 Rac8 23. Ne3 Nxe3 24. fxe3 Rc2 25. e4 Qc4 26. Qf1 Qb3 27. Rd3 Rc3 28. Rd2 Re3 29. Qf4 f5 30. exf5 Rxf5 31. Qb8+ Rf8 32. Qc7 Qxa3 33. Rdd1 Qxb4 34. Rf1 Qxd4 35. Kh1 Rxf1+ 36. Rxf1 h6 37. Qxa7 Kh7 38. Qb7 Rd3 39. Qc6 Re3 40. h3 Qd3 41. Rf8 b5 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.29"]
[Round "3"]
[White "Spassky, Boris"]
[Black "Andersson, Ulf"]
[Result "1/2-1/2"]
[ECO "E54"]
[EventDate "1979.11.26"]
[PlyCount "71"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 cxd4 9. exd4 b6 10. Bg5 Bb7 11. Rc1 Nbd7 12. Re1 Rc8 13. Bd3 Re8 14. Qe2 h6 15. Bh4 Be7 16. Ba6 Bxa6 17. Qxa6 Bb4 18. Qxa7 g5 19. Bg3 Ra8 20. Qb7 Qc8 21. Qxc8 Rexc8 22. h4 Bxc3 23. bxc3 Nd5 24. hxg5 Nxc3 25. Kh2 hxg5 26. Nxg5 Nf6 27. a3 Rxa3 28. Ne4 Nfxe4 29. Rxe4 Nxe4 30. Rxc8+ Kg7 31. f3 Nxg3 32. Kxg3 b5 33. d5 exd5 34. Rc5 b4 35. Rxd5 Kf6 36. Rb5 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.29"]
[Round "3"]
[White "Tempone, Marcelo"]
[Black "Miles, Anthony John"]
[Result "0-1"]
[ECO "A40"]
[EventDate "1979.11.26"]
[PlyCount "74"]

1. c4 b6 2. d4 e6 3. d5 Nf6 4. g3 Bb4+ 5. Bd2 Qe7 6. Bg2 c6 7. dxc6 dxc6 8. Nc3 O-O 9. Nf3 Ba6 10. Ne5 Rd8 11. Qc2 Bd6 12. Nxc6 Nxc6 13. Bxc6 Rac8 14. Qa4 Rxc6 15. Qxa6 Bc5 16. O-O-O Ng4 17. Ne4 Nxf2 18. Nxf2 Bxf2 19. Bb4 Qg5+ 20. Kb1 Rdc8 21. Qb5 Qg6+ 22. Ka1 Qe4 23. Rhf1 a6 24. Qxa6 Qxe2 25. Bc3 h6 26. Qb7 R8c7 27. Qb8+ Kh7 28. Qf8 f6 29. Qa8 b5 30. a3 b4 31. Bxb4 Bd4 32. Bd2 Ra7 33. Qf8 Rc8 34. Qd6 Rd8 35. Qb4 Rb8 36. Rfe1 Rxb4 37. Rxe2 Rxa3+ 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.30"]
[Round "4"]
[White "Andersson, Ulf"]
[Black "Tempone, Marcelo"]
[Result "1-0"]
[ECO "A16"]
[EventDate "1979.11.26"]
[PlyCount "61"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. dxc3 Qxd1+ 7. Kxd1 c5 8. Be3 b6 9. a4 Nc6 10. Bb5 Bd7 11. Kc2 Bg7 12. Rhd1 a6 13. Bc4 Bg4 14. h3 Bxf3 15. gxf3 O-O 16. f4 Ra7 17. e5 a5 18. Rd2 e6 19. Rad1 Rc8 20. Kb3 Bf8 21. Bb5 Rcc7 22. Bxc6 Rxc6 23. Kc4 Be7 24. Rd7 Rcc7 25. Rxc7 Rxc7 26. Kb5 Rc8 27. Rd7 Kf8 28. Kxb6 Ke8 29. Rb7 Bd8+ 30. Kb5 c4 31. Bc5 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.30"]
[Round "4"]
[White "Franco Ocampos, Zenon"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "B84"]
[EventDate "1979.11.26"]
[PlyCount "41"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Be7 8. f4 d6 9. Be3 O-O 10. Qe1 b5 11. Bf3 Bb7 12. e5 dxe5 13. fxe5 Nfd7 14. Qg3 Bc5 15. Ne4 Bxe4 16. Bxe4 Ra7 17. Nxe6 fxe6 18. Bxh7+ Kxh7 19. Qh3+ Kg6 20. Qg4+ Kh7 21. Qh3+ 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.30"]
[Round "4"]
[White "Ivkov, Borislav"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "E90"]
[EventDate "1979.11.26"]
[PlyCount "31"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 O-O 6. Nf3 d6 7. h3 e6 8. Bd3 exd5 9. exd5 Re8+ 10. Be3 Bh6 11. O-O Bxe3 12. fxe3 Nbd7 13. e4 Rf8 14. Qd2 Ne8 15. Rf2 Qe7 16. Qf4 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.30"]
[Round "4"]
[White "Miles, Anthony John"]
[Black "Lombardy, William James"]
[Result "1/2-1/2"]
[ECO "A52"]
[EventDate "1979.11.26"]
[PlyCount "73"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Be2 Ngxe5 7. Nxe5 Nxe5 8. O-O d6 9. Nc3 a6 10. b3 O-O 11. Bb2 Ba7 12. Qd2 Re8 13. Nd5 c6 14. Nf4 Bg4 15. Rad1 Bxe2 16. Qxe2 Qh4 17. Qh5 Qxh5 18. Nxh5 Rad8 19. a4 f6 20. Ng3 Nf7 21. Rd3 Re6 22. Rfd1 g6 23. h3 f5 24. Ne2 Rde8 25. Kf1 Re4 26. Nf4 Bb8 27. Bd4 Bc7 28. Ne2 R4e6 29. Bc3 Ne5 30. R3d2 Nf7 31. Nf4 Re4 32. g3 R4e7 33. Bf6 Re4 34. Bc3 Ne5 35. Kg2 Nf7 36. h4 R4e7 37. Bf6 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.30"]
[Round "4"]
[White "Najdorf, Miguel"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1979.11.26"]
[PlyCount "49"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d6 8. e4 a6 9. b3 Qc7 10. Bb2 Nc6 11. d4 cxd4 12. Nxd4 Nxd4 13. Qxd4 Rb8 14. Rad1 O-O 15. h3 Rfd8 16. Qe3 Bf8 17. g4 Nd7 18. Rd2 Qc5 19. Qe2 Qc7 20. Red1 Bc6 21. Qe3 b5 22. cxb5 axb5 23. Ne2 Nc5 24. Ng3 b4 25. Bd4 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.30"]
[Round "4"]
[White "Quinteros, Miguel Angel"]
[Black "Petrosian, Tigran"]
[Result "1-0"]
[ECO "E09"]
[EventDate "1979.11.26"]
[PlyCount "97"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. Qc2 b6 8. b3 Ba6 9. Bb2 Nbd7 10. Nbd2 Rc8 11. e4 Nxe4 12. Nxe4 dxe4 13. Qxe4 b5 14. c5 b4 15. Rfd1 Bb5 16. Qe1 Rb8 17. a3 bxa3 18. Rxa3 Rb7 19. Bc1 Nf6 20. Bg5 Nd5 21. Bxe7 Nxe7 22. Ne5 Qc7 23. Be4 Rd8 24. Bxh7+ Kxh7 25. Nxf7 Rd5 26. Qxe6 Qd7 27. Qe4+ Qf5 28. f3 Nc8 29. g4 Qxe4 30. fxe4 Rdd7 31. Ne5 Rd8 32. b4 Kg8 33. Rh3 Re7 34. Ng6 Ree8 35. Rd2 Kf7 36. Ne5+ Rxe5 37. Rf2+ Ke6 38. dxe5 Ne7 39. Rh7 Rg8 40. Rd2 a6 41. Kf2 Kxe5 42. Ke3 Kf6 43. Rd6+ Kf7 44. Rh3 Rb8 45. g5 Bc4 46. g6+ Ke8 47. Rf3 Bb3 48. h4 Bd1 49. Rxd1 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.11.30"]
[Round "4"]
[White "Rubinetti, Jorge Alberto"]
[Black "Larsen, Bent"]
[Result "0-1"]
[ECO "B10"]
[EventDate "1979.11.26"]
[PlyCount "80"]

1. e4 c6 2. d3 d5 3. Nd2 Nd7 4. Ngf3 Qc7 5. Be2 Ngf6 6. c3 e6 7. O-O Bd6 8. Qc2 c5 9. Re1 O-O 10. Nf1 b6 11. Bg5 Bb7 12. N3d2 h6 13. Bh4 Rac8 14. Bg3 Bxg3 15. Nxg3 Rfd8 16. Nf3 a6 17. Bf1 b5 18. Qc1 dxe4 19. dxe4 Ng4 20. a4 c4 21. h3 Nge5 22. Nxe5 Nxe5 23. axb5 axb5 24. Qe3 Nd3 25. Reb1 Qc5 26. Qxc5 Nxc5 27. f3 Rd2 28. Ra5 Bc6 29. Bxc4 Nb7 30. Rxb5 Bxb5 31. Bxb5 Rcd8 32. Be2 Nc5 33. b4 Na4 34. Rc1 Rc8 35. c4 Rb2 36. b5 Rxb5 37. Ra1 Rb4 38. e5 Nb6 39. Ne4 Nxc4 40. Ra7 Nxe5 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.02"]
[Round "5"]
[White "Gheorghiu, Florin"]
[Black "Franco Ocampos, Zenon"]
[Result "1-0"]
[ECO "D85"]
[EventDate "1979.11.26"]
[PlyCount "63"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 O-O 8. Be3 b6 9. Qd2 Bb7 10. Bd3 Nd7 11. Bh6 c5 12. Bxg7 Kxg7 13. O-O e6 14. a4 Rc8 15. Rfe1 Nb8 16. Qb2 Nc6 17. a5 Rb8 18. axb6 axb6 19. Reb1 Bc8 20. d5 exd5 21. exd5 Ne7 22. c4+ Kg8 23. Ra7 Bf5 24. Bxf5 Nxf5 25. Ne5 Nd4 26. Nd7 Qg5 27. Nxf8 Rxf8 28. Qa3 Kg7 29. Qe3 Qf6 30. f4 Kg8 31. Qe5 Qd8 32. Rba1 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.02"]
[Round "5"]
[White "Larsen, Bent"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "C28"]
[EventDate "1979.11.26"]
[PlyCount "111"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Nc6 4. d3 Be7 5. f4 d6 6. Nf3 O-O 7. O-O Na5 8. f5 c6 9. Bb3 b5 10. h3 h6 11. Qe1 Nh7 12. Be3 Kh8 13. Ne2 a6 14. g4 Nxb3 15. axb3 Ng5 16. Nxg5 Bxg5 17. Qc1 d5 18. Ng3 f6 19. Bxg5 fxg5 20. Qe1 Qd6 21. b4 c5 22. bxc5 Qxc5+ 23. Qf2 Qd6 24. exd5 Qxd5 25. Ne4 Bb7 26. Kh2 b4 27. Qb6 a5 28. f6 Qc6 29. fxg7+ Kxg7 30. Qc5 Qxc5 31. Nxc5 Rxf1 32. Rxf1 Bd5 33. Ra1 Ra7 34. Kg1 Kf7 35. Na4 Bc6 36. Nb6 a4 37. Nc4 Ke6 38. Kf2 Rf7+ 39. Ke2 Bf3+ 40. Ke3 Bc6 41. Nd2 Rc7 42. c3 bxc3 43. bxc3 Rb7 44. Nc4 Rf7 45. Na5 Rf3+ 46. Ke2 Ba8 47. Rxa4 Rxh3 48. Nb3 Bf3+ 49. Kf2 Bd1 50. Nc5+ Kd5 51. Ra5 Kc6 52. Ne4 Bxg4 53. Rc5+ Kb6 54. Rxe5 Rxd3 55. Nxg5 hxg5 56. Rxg5 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.02"]
[Round "5"]
[White "Lombardy, William James"]
[Black "Andersson, Ulf"]
[Result "1/2-1/2"]
[ECO "B23"]
[EventDate "1979.11.26"]
[PlyCount "31"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 Nge7 5. d3 d6 6. Be3 a6 7. Qd2 Qc7 8. g3 Bd7 9. Bg2 g6 10. O-O Bg7 11. Qf2 O-O 12. g4 f5 13. h3 Rae8 14. Kh1 b5 15. a3 Nd8 16. gxf5 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.02"]
[Round "5"]
[White "Panno, Oscar"]
[Black "Miles, Anthony John"]
[Result "0-1"]
[ECO "A40"]
[EventDate "1979.11.26"]
[PlyCount "77"]

1. c4 b6 2. Nc3 e6 3. e4 Bb7 4. d4 Bb4 5. f3 f5 6. exf5 Nh6 7. fxe6 Nf5 8. Nge2 dxe6 9. Bf4 O-O 10. Qd2 Qh4+ 11. Ng3 Bd6 12. Bxd6 cxd6 13. Nce2 Nc6 14. O-O-O Ncxd4 15. Nxd4 Nxg3 16. hxg3 Qxh1 17. Nxe6 Rf6 18. Nf4 Qh6 19. Re1 Qg5 20. Bd3 Raf8 21. Kc2 Rh6 22. Qf2 Bc8 23. Be4 Bf5 24. Kb3 Bxe4 25. Rxe4 Qc5 26. Qe2 d5 27. Nxd5 b5 28. Ne7+ Kh8 29. cxb5 Rd6 30. a4 Qc1 31. Qc4 Qb1 32. Rd4 Rxd4 33. Qxd4 Qe1 34. Qd6 Re8 35. Nc6 h6 36. Nd4 Qd1+ 37. Kb4 Qd2+ 38. Kb3 Qa5 39. Qf4 {Time} 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.02"]
[Round "5"]
[White "Petrosian, Tigran"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1-0"]
[ECO "A30"]
[EventDate "1979.11.26"]
[PlyCount "81"]

1. c4 c5 2. b3 b6 3. Bb2 Bb7 4. Nf3 e6 5. Nc3 Nf6 6. e3 Be7 7. d4 cxd4 8. exd4 d6 9. Bd3 O-O 10. O-O Nbd7 11. Ng5 Re8 12. f4 h6 13. Nge4 d5 14. Ng3 g6 15. Kh1 Bf8 16. h3 Rc8 17. Rc1 a6 18. Qd2 h5 19. Nge2 Nb8 20. Nd1 Nc6 21. Ne3 Ne7 22. c5 Nf5 23. b4 Ne4 24. Bxe4 dxe4 25. Nxf5 exf5 26. d5 bxc5 27. bxc5 f6 28. d6 e3 29. Qd4 Re4 30. Qxf6 Qxf6 31. Bxf6 Kf7 32. d7 Kxf6 33. dxc8=Q Bxc8 34. Rfd1 Re8 35. Rd3 a5 36. Rb3 Kf7 37. Rb6 Rd8 38. Rb8 Bg7 39. c6 Re8 40. c7 Ke7 41. Rd1 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.02"]
[Round "5"]
[White "Spassky, Boris"]
[Black "Quinteros, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "A79"]
[EventDate "1979.11.26"]
[PlyCount "47"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6 11. f3 Nc7 12. a4 Nd7 13. Nc4 Ne5 14. Ne3 f5 15. exf5 gxf5 16. f4 Ng6 17. Bd3 Qf6 18. Qc2 Rf8 19. Bd2 Bd7 20. Rae1 Rae8 21. Kh1 a6 22. a5 Nb5 23. Nc4 Nd4 24. Qd1 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.02"]
[Round "5"]
[White "Tempone, Marcelo"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "E49"]
[EventDate "1979.11.26"]
[PlyCount "78"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nge2 d5 7. O-O Nc6 8. a3 dxc4 9. Bxc4 Bxc3 10. bxc3 Qc7 11. Bb2 e5 12. d5 Rd8 13. Ba2 c4 14. Bxc4 Na5 15. Ba2 Nc4 16. Qc2 Nxd5 17. Rad1 Be6 18. Bc1 h6 19. e4 Nf6 20. Rd3 Rxd3 21. Qxd3 Rd8 22. Qc2 Qd6 23. a4 Nd2 24. Re1 Bxa2 25. Qxa2 Nfxe4 26. Ng3 Qc5 27. Nxe4 Nxe4 28. c4 Qa5 29. Qe2 Nc3 30. Qg4 Na2 31. Rf1 Nxc1 32. Rxc1 Qxa4 33. g3 Qc6 34. Qe2 e4 35. Re1 Rd4 36. Qa2 Rxc4 37. Qxa7 Rc1 38. Rxc1 Qxc1+ 39. Kg2 Qc6 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.03"]
[Round "6"]
[White "Andersson, Ulf"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "A88"]
[EventDate "1979.11.26"]
[PlyCount "85"]

1. c4 g6 2. Nc3 Bg7 3. Nf3 d6 4. g3 f5 5. d4 Nf6 6. Bg2 O-O 7. O-O c6 8. d5 Qa5 9. Nd2 Qa6 10. Rb1 cxd5 11. cxd5 Nbd7 12. Re1 b5 13. a3 Qb6 14. Nf3 Nc5 15. Be3 Ng4 16. Bd4 Bd7 17. h3 Bxd4 18. Qxd4 Nf6 19. Qe3 Nce4 20. Qxb6 axb6 21. Nxe4 fxe4 22. Nd4 Ra4 23. e3 Rc8 24. g4 Rc5 25. g5 Nxd5 26. Bxe4 Nc7 27. h4 e5 28. b3 Rxa3 29. Nc2 Ra7 30. Nb4 Kf7 31. Red1 Ke6 32. Rd2 Ra3 33. h5 d5 34. hxg6 hxg6 35. Bxg6 Ra8 36. Bh5 e4 37. Bg4+ Ke7 38. Bxd7 Kxd7 39. Kh2 Ke6 40. Rbd1 Rg8 41. Rg1 Rh8+ 42. Kg2 Rg8 43. f4 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.03"]
[Round "6"]
[White "Ivkov, Borislav"]
[Black "Lombardy, William James"]
[Result "1/2-1/2"]
[ECO "A88"]
[EventDate "1979.11.26"]
[PlyCount "118"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nc3 O-O 6. Nf3 d6 7. O-O c6 8. d5 Qa5 9. Bd2 Qb6 10. Rb1 Kh8 11. Be3 Qa6 12. b3 cxd5 13. cxd5 Nbd7 14. a4 Qa5 15. b4 Qd8 16. a5 Ne5 17. Bd4 Nxf3+ 18. Bxf3 Bd7 19. e4 Rc8 20. e5 Ng8 21. e6 Be8 22. Bxg7+ Kxg7 23. Qd4+ Nf6 24. Rbc1 b6 25. axb6 Qxb6 26. Qxb6 axb6 27. Be2 g5 28. Rfd1 Rc7 29. Rd4 Ne4 30. Rc4 Rxc4 31. Bxc4 Nxc3 32. Rxc3 Ba4 33. Bd3 Kf6 34. Bxf5 Ke5 35. Bxh7 Kxd5 36. Re3 Bb5 37. Kg2 Bc4 38. g4 Kd4 39. Kg3 Ra8 40. Bf5 Ra2 41. Re1 Rb2 42. f3 d5 43. h4 gxh4+ 44. Kxh4 Kc3 45. g5 d4 46. g6 Rg2 47. Kh3 Rg5 48. f4 Rxf5 49. g7 Kd2 50. g8=Q Kxe1 51. Qg1+ Bf1+ 52. Kg3 Rd5 53. Kf3 d3 54. Qf2+ Kd1 55. Qxf1+ Kc2 56. Qa1 Rd6 57. Qa2+ Kc1 58. Qa3+ Kc2 59. Qa4+ Kc1 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.03"]
[Round "6"]
[White "Larsen, Bent"]
[Black "Petrosian, Tigran"]
[Result "1-0"]
[ECO "A12"]
[EventDate "1979.11.26"]
[PlyCount "129"]

1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bg4 5. Bg2 e6 6. O-O Nbd7 7. Bb2 Be7 8. d3 O-O 9. Nbd2 Re8 10. a3 a5 11. Re1 Bf8 12. Ne5 Nxe5 13. Bxe5 Bd6 14. Bxd6 Qxd6 15. d4 Red8 16. c5 Qc7 17. b4 e5 18. Nb3 axb4 19. axb4 e4 20. Qd2 h6 21. Rxa8 Rxa8 22. Ra1 Rxa1+ 23. Nxa1 g5 24. Nc2 Kg7 25. Ne3 Be6 26. f3 Qb8 27. Qb2 Kg8 28. Qa1 Qd8 29. Qa5 Qxa5 30. bxa5 Kf8 31. Kf2 Ke7 32. fxe4 dxe4 33. h3 Kd8 34. Nf1 Kc7 35. e3 Kb8 36. Nd2 Ka7 37. Bf1 Bd5 38. Be2 Be6 39. g4 Bd5 40. Nf1 Be6 41. Ng3 Bd7 42. Bc4 Be6 43. Bf1 Bd7 44. Ke1 Be6 45. Kf2 Kb8 46. Bg2 Bd5 47. Nf5 Ng8 48. Nd6 Nf6 49. Kg3 Ka7 50. Bf1 Be6 51. Kf2 Bd5 52. Be2 Be6 53. Ke1 Nd5 54. Kd2 Nf6 55. Bc4 Kb8 56. Bxe6 fxe6 57. Nf7 Ng8 58. Nd8 Ka7 59. Nxe6 Ka6 60. Nd8 Nf6 61. Nf7 Ng8 62. Kc3 Kxa5 63. Nd6 Nf6 64. Nxb7+ Ka4 65. Nd8 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.03"]
[Round "6"]
[White "Miles, Anthony John"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[ECO "A36"]
[EventDate "1979.11.26"]
[PlyCount "29"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. a3 Rb8 6. Rb1 a6 7. b4 cxb4 8. axb4 b5 9. cxb5 axb5 10. Nh3 e6 11. Bb2 Nf6 12. Ne4 O-O 13. Nxf6+ Bxf6 14. Nf4 Bb7 15. O-O 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.03"]
[Round "6"]
[White "Najdorf, Miguel"]
[Black "Franco Ocampos, Zenon"]
[Result "1-0"]
[ECO "D85"]
[EventDate "1979.11.26"]
[PlyCount "67"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be3 O-O 9. Qd2 Bg4 10. Rc1 cxd4 11. cxd4 Bxf3 12. gxf3 e6 13. Bb5 a6 14. Ba4 b5 15. Bb3 Nd7 16. h4 Nf6 17. Ke2 Rc8 18. Rxc8 Qxc8 19. Qa5 Qb7 20. Rd1 Re8 21. Bf4 Nh5 22. Be3 Bf6 23. d5 Bd8 24. Qc3 exd5 25. Bxd5 Qb8 26. Bb3 Bxh4 27. Qc6 Rf8 28. Rd7 Qe5 29. Bd4 Qb8 30. Bc5 Qc8 31. Bxf7+ Kh8 32. Bd4+ Ng7 33. Bxg7+ Kxg7 34. Be8+ 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.03"]
[Round "6"]
[White "Quinteros, Miguel Angel"]
[Black "Tempone, Marcelo"]
[Result "1-0"]
[ECO "A44"]
[EventDate "1979.11.26"]
[PlyCount "81"]

1. c4 c5 2. Nf3 g6 3. d4 Bg7 4. e4 d6 5. d5 e5 6. Be2 Ne7 7. h4 Bg4 8. Nc3 Nd7 9. Be3 h6 10. Nh2 Bxe2 11. Qxe2 f5 12. exf5 Nxf5 13. Qg4 O-O 14. Nf3 Qe8 15. Ne4 b5 16. b3 bxc4 17. bxc4 Nb6 18. Nfd2 h5 19. Qd1 Qd7 20. Bg5 Rab8 21. O-O Na4 22. Nb3 Nd4 23. Rb1 Nb6 24. Qd3 Rf7 25. Nxd4 exd4 26. a4 Rbf8 27. a5 Nc8 28. Rb3 Ne7 29. Bxe7 Rxe7 30. Ng5 Qf5 31. Qxf5 Rxf5 32. Ne6 Bh6 33. f4 Rff7 34. a6 Rd7 35. g3 Rfe7 36. Rfb1 Kf7 37. Rb7 d3 38. Kf2 Bg7 39. Ke3 Bc3 40. Rxd7 Rxd7 41. Rb7 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.03"]
[Round "6"]
[White "Rubinetti, Jorge Alberto"]
[Black "Spassky, Boris"]
[Result "0-1"]
[ECO "A14"]
[EventDate "1979.11.26"]
[PlyCount "87"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O Nbd7 7. b3 b6 8. cxd5 Nxd5 9. Bb2 Bb7 10. Nbd2 c5 11. Rc1 Rc8 12. dxc5 Nxc5 13. a3 b5 14. Rc2 Qb6 15. Bd4 Qa6 16. b4 Na4 17. Nb3 f6 18. Na5 Ba8 19. Bh3 f5 20. Bg2 Qd6 21. Be5 Qd7 22. Rxc8 Rxc8 23. Qa1 Ndc3 24. Re1 Bd5 25. h4 Bf6 26. Bxf6 gxf6 27. e3 e5 28. Nh2 Kf7 29. Bh3 Ba8 30. Nf1 Qd3 31. e4 Bxe4 32. Re3 Qc2 33. Qe1 Rd8 34. f3 Ba8 35. f4 Be4 36. fxe5 fxe5 37. Nc6 Rd1 38. Nxe5+ Kf6 39. Rxe4 Nxe4 40. Qe3 Kxe5 41. Qf4+ Kd4 42. Bxf5 Nac3 43. Qe3+ Kd5 44. Qc5+ 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.05"]
[Round "7"]
[White "Franco Ocampos, Zenon"]
[Black "Miles, Anthony John"]
[Result "0-1"]
[ECO "B57"]
[EventDate "1979.11.26"]
[PlyCount "72"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. f4 b5 7. Bd3 Bb7 8. a3 Nc6 9. Nb3 d6 10. Be3 Nf6 11. O-O Be7 12. Qf3 O-O 13. Qh3 b4 14. axb4 Nxb4 15. Nd4 Nd7 16. Rf3 Nc5 17. f5 e5 18. Qh5 Nd7 19. Nde2 Nf6 20. Qh3 d5 21. exd5 Nbxd5 22. Nxd5 Bxd5 23. Rg3 e4 24. Nf4 Bc5 25. Bxc5 Qxc5+ 26. Kh1 Kh8 27. Bf1 Bb7 28. Rg5 e3 29. Bd3 Rae8 30. Nh5 e2 31. Bxe2 Ne4 32. Qh4 Nf2+ 33. Kg1 Ng4+ 34. Kh1 Bxg2+ 35. Kxg2 Rxe2+ 36. Kg3 Qf2+ 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.05"]
[Round "7"]
[White "Gheorghiu, Florin"]
[Black "Andersson, Ulf"]
[Result "1/2-1/2"]
[ECO "D35"]
[EventDate "1979.11.26"]
[PlyCount "49"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. cxd5 exd5 6. Bg5 c6 7. e3 Bd6 8. Bd3 Nf8 9. Qc2 Ng6 10. Nh4 O-O 11. Nf5 Bxf5 12. Bxf5 h6 13. Bxf6 Qxf6 14. g3 Rfe8 15. O-O Nf8 16. Rad1 g6 17. Bh3 Nh7 18. Bg2 Qe7 19. e4 dxe4 20. Nxe4 Nf6 21. Rfe1 Kg7 22. Qb3 Nxe4 23. Rxe4 Qc7 24. d5 Rxe4 25. Bxe4 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.05"]
[Round "7"]
[White "Lombardy, William James"]
[Black "Quinteros, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "E76"]
[EventDate "1979.11.26"]
[PlyCount "50"]

1. c4 g6 2. Nc3 Bg7 3. d4 c5 4. d5 Nf6 5. e4 d6 6. Bd3 O-O 7. f4 e6 8. dxe6 fxe6 9. Nf3 Nc6 10. O-O Nd4 11. Ng5 Qe7 12. Bd2 b6 13. Qe1 Bb7 14. Qh4 h6 15. Nh3 Nd5 16. Qxe7 Nxe7 17. Rad1 a6 18. Nf2 Bc6 19. b3 b5 20. Rfe1 b4 21. Ne2 a5 22. e5 Nxe2+ 23. Rxe2 dxe5 24. fxe5 Nf5 25. Be3 Nxe3 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.05"]
[Round "7"]
[White "Panno, Oscar"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "E05"]
[EventDate "1979.11.26"]
[PlyCount "62"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Nc6 9. Qxc4 Qd5 10. Qc3 Rd8 11. e3 Qh5 12. Nbd2 Nd5 13. Qc2 e5 14. Nxe5 Nxe5 15. dxe5 Qxe5 16. Nc4 Qh5 17. Bd2 Be6 18. Rfd1 Rd7 19. e4 Nb4 20. Bxb4 Rxd1+ 21. Rxd1 Bxb4 22. Ne3 Qc5 23. Qxc5 Bxc5 24. Nd5 Bd6 25. Bf1 Kf8 26. Bc4 Bg4 27. Rd3 Rd8 28. Kg2 Be5 29. f3 Be6 30. f4 Bxb2 31. Nxc7 Rxd3 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.05"]
[Round "7"]
[White "Petrosian, Tigran"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "E49"]
[EventDate "1979.11.26"]
[PlyCount "36"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Bb2 Qc7 10. Bd3 b6 11. Qe2 Nc6 12. e4 e5 13. d5 Na5 14. h3 c4 15. Bc2 Nd7 16. Nf3 Nc5 17. O-O Ba6 18. Ne1 Rad8 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.05"]
[Round "7"]
[White "Spassky, Boris"]
[Black "Larsen, Bent"]
[Result "0-1"]
[ECO "B16"]
[EventDate "1979.11.26"]
[PlyCount "78"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Be2 Bf5 7. Nf3 Qc7 8. O-O e6 9. c4 Nd7 10. d5 O-O-O 11. Be3 c5 12. b4 Rg8 13. bxc5 Bxc5 14. Nd4 Bh3 15. g3 Bxf1 16. Bxf1 Ne5 17. Rb1 Ng4 18. Bc1 h5 19. Rb3 h4 20. Ba3 hxg3 21. hxg3 f5 22. Bxc5 Qxc5 23. Rb5 Qd6 24. Qb3 f4 25. Rxb7 fxg3 26. Rxa7 gxf2+ 27. Kg2 Qh2+ 28. Kf3 Qh1+ 29. Kg3 Nf6+ 30. Kxf2 Qh4+ 31. Ke2 Qe4+ 32. Qe3 Qxe3+ 33. Kxe3 Rg3+ 34. Kd2 exd5 35. Nf5 Kb8 36. Rxf7 dxc4+ 37. Kc2 Rf3 38. Ng3 Rf2+ 39. Be2 Rg8 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.05"]
[Round "7"]
[White "Tempone, Marcelo"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1-0"]
[ECO "A81"]
[EventDate "1979.11.26"]
[PlyCount "103"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. Nbd2 d6 7. c3 c6 8. Re1 d5 9. Ne5 Kh8 10. Ndf3 Be6 11. Bf4 Nbd7 12. Qc1 Nxe5 13. Nxe5 Rg8 14. Nd3 Qf8 15. f3 Re8 16. Qd2 Bc8 17. Rf1 Nh5 18. Be5 Bxe5 19. Nxe5 f4 20. g4 Ng7 21. e4 Ne6 22. Rae1 Qf6 23. Qe2 Rgf8 24. Nd3 b6 25. exd5 cxd5 26. Rf2 Nc7 27. Bf1 Ba6 28. Qe5 Qxe5 29. Rxe5 Bxd3 30. Bxd3 e6 31. h4 Rg8 32. Kg2 h6 33. g5 h5 34. Re1 Rd8 35. Kf1 Rg7 36. Ke2 Rd6 37. Kd2 Kh7 38. Rfe2 b5 39. a4 a6 40. Ra1 Rb6 41. axb5 axb5 42. Ra7 b4 43. cxb4 Rxb4 44. Kc3 Rb6 45. Ra5 Ne8 46. b4 Rc7+ 47. Kb3 Rcb7 48. b5 Kg7 49. Kb4 Kf7 50. Rea2 e5 51. dxe5 Ke6 52. Kc5 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.06"]
[Round "8"]
[White "Andersson, Ulf"]
[Black "Franco Ocampos, Zenon"]
[Result "1-0"]
[ECO "A16"]
[EventDate "1979.11.26"]
[PlyCount "83"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. dxc3 Qxd1+ 7. Kxd1 f6 8. Be3 e5 9. Nd2 Be6 10. Bc4 Bxc4 11. Nxc4 Nd7 12. b4 Nb6 13. Na5 O-O-O+ 14. Kc2 Be7 15. a3 f5 16. Bxb6 axb6 17. Nc4 Bf6 18. a4 Bg7 19. Rhe1 Rhe8 20. b5 f4 21. a5 bxa5 22. Rxa5 b6 23. Ra7 Bf6 24. Rea1 Re6 25. R1a6 Rde8 26. Kb3 Bd8 27. Ra8+ Kd7 28. Ra2 Bf6 29. Rd2+ Ke7 30. Ra7 Rc8 31. Rd5 Ke8 32. h3 Ke7 33. Nb2 Ke8 34. Nd3 Bg7 35. c4 Bf6 36. c5 bxc5 37. Nxc5 Re7 38. Ra6 Bh8 39. Kc4 Bg7 40. f3 Rb8 41. Ne6 Bf6 42. Rc6 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.06"]
[Round "8"]
[White "Ivkov, Borislav"]
[Black "Gheorghiu, Florin"]
[Result "1-0"]
[ECO "E90"]
[EventDate "1979.11.26"]
[PlyCount "63"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. h3 e6 8. Bd3 exd5 9. exd5 Re8+ 10. Be3 b5 11. Nxb5 Ne4 12. O-O Bxb2 13. Bxe4 Rxe4 14. Qc2 Rxe3 15. Qxb2 Rxf3 16. Rfe1 Bd7 17. gxf3 Qg5+ 18. Kh1 Na6 19. Nxd6 Bxh3 20. Rg1 Qf4 21. Rg3 Qxd6 22. Rxh3 Re8 23. Kg2 h5 24. Qc3 Nc7 25. Re1 Rd8 26. Rh4 Ne8 27. Rhe4 Qb8 28. Re7 Nd6 29. Qf6 Rf8 30. Qf4 Rd8 31. R1e6 fxe6 32. Qf6 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.06"]
[Round "8"]
[White "Larsen, Bent"]
[Black "Tempone, Marcelo"]
[Result "1-0"]
[ECO "A47"]
[EventDate "1979.11.26"]
[PlyCount "79"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Bg5 O-O 7. c4 d5 8. Bxf6 Bxf6 9. cxd5 Bxd5 10. Nc3 Bb7 11. Qc2 g6 12. Rac1 Nd7 13. Rfd1 Qe7 14. Ne5 Bxg2 15. Nxd7 Qxd7 16. Kxg2 Rac8 17. Ne4 Bg7 18. Qc6 Rfd8 19. e3 Qe7 20. Rc2 Rd7 21. Rdc1 Rcd8 22. Nc3 e5 23. d5 e4 24. Nb5 Rxd5 25. Nxa7 R8d6 26. Nc8 Qf6 27. Qe8+ Bf8 28. Qxe4 Rd2 29. Qf4 Qxf4 30. gxf4 Rd8 31. Na7 Bc5 32. Nc6 Rxc2 33. Rxc2 Rd1 34. a3 Kg7 35. Na7 Rd5 36. Kf3 Kf6 37. Nb5 Rd7 38. b4 Bd6 39. e4 Kg7 40. e5 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.06"]
[Round "8"]
[White "Najdorf, Miguel"]
[Black "Miles, Anthony John"]
[Result "1/2-1/2"]
[ECO "E14"]
[EventDate "1979.11.26"]
[PlyCount "44"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 d5 6. O-O Nbd7 7. b3 Bd6 8. Bb2 O-O 9. Ne5 dxc4 10. Nxc4 Be7 11. Nbd2 c5 12. Nf3 cxd4 13. Nxd4 Nc5 14. Be2 a6 15. b4 Ncd7 16. a3 Rc8 17. Rc1 Rc7 18. f3 Qb8 19. e4 Rfc8 20. Qd2 Ba8 21. Nb3 h6 22. Bd4 b5 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.06"]
[Round "8"]
[White "Petrosian, Tigran"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "D37"]
[EventDate "1979.11.26"]
[PlyCount "38"]

1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Bf4 Nf6 5. e3 O-O 6. Nf3 c5 7. dxc5 Nc6 8. Qc2 Bxc5 9. Rd1 Qa5 10. a3 Be7 11. Nd2 a6 12. Be2 Bd7 13. O-O Rac8 14. Bg5 b5 15. cxb5 axb5 16. Bxb5 Nb4 17. Qb3 Bxb5 18. axb4 Qb6 19. Rfe1 Bd3 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.06"]
[Round "8"]
[White "Quinteros, Miguel Angel"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1979.11.26"]
[PlyCount "55"]

1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Nf3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. e4 d6 10. Rd1 a6 11. Qe3 Qc7 12. b3 Nbd7 13. Bb2 Rfe8 14. Nd4 Bf8 15. Qd2 Rad8 16. Re1 g6 17. Re2 Bg7 18. Rd1 Qb8 19. Nc2 Nc5 20. Ba1 Bc6 21. Qe1 Qa8 22. b4 Ncd7 23. Rxd6 Ne5 24. Rxd8 Rxd8 25. Nd5 exd5 26. exd5 Nxd5 27. Bxe5 Nxb4 28. Bxc6 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.06"]
[Round "8"]
[White "Rubinetti, Jorge Alberto"]
[Black "Lombardy, William James"]
[Result "1-0"]
[ECO "E96"]
[EventDate "1979.11.26"]
[PlyCount "80"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 Nbd7 7. O-O e5 8. Re1 Re8 9. Bf1 c6 10. Rb1 a5 11. d5 Nc5 12. b3 Bd7 13. a3 cxd5 14. cxd5 Qb8 15. a4 Rc8 16. Nd2 Bh6 17. Nc4 Bxc1 18. Qxc1 Qc7 19. Qe3 Kg7 20. f3 Ne8 21. Na3 f5 22. Bb5 fxe4 23. fxe4 Nf6 24. Nc4 Ra6 25. Bxa6 bxa6 26. h3 Rb8 27. Nd2 Rb4 28. Rf1 Be8 29. Rf3 Qe7 30. Rbf1 Nfd7 31. Nd1 Qh4 32. Nf2 Rd4 33. g3 Qe7 34. Ng4 g5 35. Nf6 h6 36. Nxe8+ Qxe8 37. Qf2 Rxd2 38. Rf7+ Kh8 39. Qxd2 Nxe4 40. Qc2 Ndc5 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.08"]
[Round "9"]
[White "Franco Ocampos, Zenon"]
[Black "Ivkov, Borislav"]
[Result "1-0"]
[ECO "C72"]
[EventDate "1979.11.26"]
[PlyCount "119"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. Re1 Be7 7. Bxc6 Bxc6 8. d4 Bf6 9. c4 Ne7 10. Nc3 Ng6 11. Nd5 h6 12. Be3 O-O 13. Rc1 Re8 14. Qd2 Bd7 15. h3 Be6 16. dxe5 Bxe5 17. Nd4 Nh4 18. Nxe6 fxe6 19. Nc3 g5 20. f4 gxf4 21. Bxf4 Kh7 22. Bxe5 dxe5 23. Rcd1 Rg8 24. Qxd8 Raxd8 25. Rxd8 Rxd8 26. Rd1 Rd4 27. b3 Ng6 28. g3 Ne7 29. Kf2 Nc6 30. Ke3 Kg7 31. Rd2 b6 32. Ne2 Rd6 33. Ng1 Nb4 34. a3 Nc6 35. Nf3 Kf6 36. b4 a5 37. b5 Nb8 38. g4 Nd7 39. h4 Kg6 40. Rg2 Kg7 41. g5 Rd1 42. gxh6+ Kxh6 43. Rg5 Ra1 44. Nxe5 Rxa3+ 45. Kf4 Nc5 46. Ng4+ Kh7 47. Ke5 Rf3 48. Nf6+ Kh6 49. Rg8 Rd3 50. Rh8+ Kg7 51. Rh7+ Kf8 52. Rxc7 Rf3 53. h5 Nd3+ 54. Kxe6 Nc5+ 55. Ke5 Nd3+ 56. Kd4 Nf4 57. Ra7 Rh3 58. Nd7+ Ke7 59. Nxb6+ Ke6 60. Nd5 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.08"]
[Round "9"]
[White "Gheorghiu, Florin"]
[Black "Quinteros, Miguel Angel"]
[Result "1-0"]
[ECO "E81"]
[EventDate "1979.11.26"]
[PlyCount "81"]

1. d4 g6 2. c4 Bg7 3. Nc3 Nf6 4. e4 O-O 5. Be3 d6 6. f3 a6 7. Qd2 c6 8. O-O-O b5 9. Bh6 Nbd7 10. Bxg7 Kxg7 11. e5 Ng8 12. f4 bxc4 13. Bxc4 Nb6 14. Bd3 Bg4 15. Re1 dxe5 16. dxe5 Nd5 17. Be4 Qa5 18. Nxd5 Qxd2+ 19. Kxd2 cxd5 20. Bd3 Rfb8 21. b3 a5 22. h3 Bf5 23. Bxf5 gxf5 24. Ne2 a4 25. Nd4 axb3 26. axb3 Ra2+ 27. Kc3 Rc8+ 28. Kd3 e6 29. Re2 Rxe2 30. Kxe2 Ne7 31. Kd2 Ra8 32. Rc1 Ra2+ 33. Rc2 Rxc2+ 34. Kxc2 Kf8 35. Kc3 Ke8 36. Kb4 Kd7 37. Kc5 Ng8 38. b4 f6 39. Nc6 fxe5 40. Nxe5+ Kc7 41. b5 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.08"]
[Round "9"]
[White "Lombardy, William James"]
[Black "Larsen, Bent"]
[Result "1/2-1/2"]
[ECO "B23"]
[EventDate "1979.11.26"]
[PlyCount "142"]

1. e4 c5 2. f4 e6 3. Nf3 d5 4. Nc3 d4 5. Ne2 Be7 6. Ng3 a6 7. Ne5 Nd7 8. Nxd7 Bxd7 9. d3 Qc7 10. Be2 f5 11. O-O Bh4 12. Bf3 O-O-O 13. Nh1 Nh6 14. Bd2 Bc6 15. Nf2 Nf7 16. exf5 exf5 17. Bxc6 Qxc6 18. Qh5 Bxf2+ 19. Rxf2 g6 20. Qf3 Qxf3 21. Rxf3 Rde8 22. Kf1 Nd8 23. Rf2 Nc6 24. Re2 Rxe2 25. Kxe2 Kd7 26. h3 b6 27. Kf3 Re8 28. Re1 Rxe1 29. Bxe1 b5 30. c4 dxc3 31. Bxc3 Ke6 32. Ke3 a5 33. b3 a4 34. bxa4 bxa4 35. a3 Kd5 36. Bf6 Na7 37. Bg7 Nb5 38. Bb2 h5 39. h4 c4 40. Kd2 c3+ 41. Bxc3 Nxa3 42. Be5 Nb5 43. Kc2 Nd4+ 44. Kb2 Nc6 45. Bg7 Nb4 46. Kc3 Na6 47. Kc2 Nc5 48. Bb2 Ne6 49. Be5 a3 50. Kb3 Nc5+ 51. Kc3 a2 52. Kc2 Kc6 53. Bb2 Ne6 54. g3 Nc5 55. Ba1 Kd5 56. Kc3 Na6 57. Kb3 Kc5 58. Bc3 Kd5 59. Ba1 Nc5+ 60. Kc3 Ke6 61. Kc4 Nd7 62. Kb3 Nc5+ 63. Kc4 Na6 64. Be5 Nc7 65. Kb3 Nd5 66. Ba1 Kd6 67. Kxa2 Nb4+ 68. Kb3 Nxd3 69. Kc4 Nf2 70. Bc3 Ne4 71. Be1 Kc6 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.08"]
[Round "9"]
[White "Miles, Anthony John"]
[Black "Andersson, Ulf"]
[Result "1/2-1/2"]
[ECO "A36"]
[EventDate "1979.11.26"]
[PlyCount "46"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 e6 6. Nge2 Nge7 7. d4 cxd4 8. Nxd4 d5 9. cxd5 Nxd5 10. Nxd5 exd5 11. O-O O-O 12. Qb3 Nxd4 13. exd4 Be6 14. Be3 Qd7 15. Rfc1 Rfc8 16. a4 h5 17. h4 Bf8 18. Bf4 Kh7 19. Kh2 Bg7 20. Be3 Bf6 21. Bf1 Rxc1 22. Rxc1 Rc8 23. Rxc8 Qxc8 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.08"]
[Round "9"]
[White "Panno, Oscar"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1-0"]
[ECO "A34"]
[EventDate "1979.11.26"]
[PlyCount "79"]

1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. Qb3 Nd7 7. Nf3 e6 8. O-O Be7 9. d4 cxd4 10. Nxd4 Nc5 11. Qc4 e5 12. Ndb5 Nxb5 13. Qxb5+ Bd7 14. Qc4 Be6 15. Nd5 O-O 16. Rd1 Bd6 17. Be3 Rc8 18. b4 Na4 19. Qb5 Nb2 20. Rdc1 b6 21. Rab1 Bd7 22. Qa6 Rxc1+ 23. Bxc1 Na4 24. Qxa7 b5 25. e4 Be6 26. Bd2 Qb8 27. Qxb8 Rxb8 28. Rc1 Rc8 29. Rxc8+ Bxc8 30. Bf1 Bd7 31. f4 f6 32. Kf2 Kf7 33. f5 Bc6 34. a3 Bb8 35. Bd3 Ba7+ 36. Be3 Bxe3+ 37. Kxe3 Nb2 38. Be2 Na4 39. Kd2 Ke8 40. Bxb5 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.08"]
[Round "9"]
[White "Spassky, Boris"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "B42"]
[EventDate "1979.11.26"]
[PlyCount "39"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 d6 6. c4 g6 7. Nc3 Bg7 8. Be3 Nf6 9. O-O O-O 10. Rc1 b6 11. b4 Bb7 12. f4 e5 13. fxe5 dxe5 14. Nc2 Ng4 15. Qxg4 Qxd3 16. Nd5 Bxd5 17. cxd5 f5 18. exf5 gxf5 19. Qg3 Nd7 20. Ne1 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.08"]
[Round "9"]
[White "Tempone, Marcelo"]
[Black "Petrosian, Tigran"]
[Result "1-0"]
[ECO "A30"]
[EventDate "1979.11.26"]
[PlyCount "125"]

1. Nf3 Nf6 2. c4 e6 3. b3 c5 4. Bb2 Nc6 5. g3 d5 6. cxd5 exd5 7. Bg2 d4 8. O-O Be7 9. Na3 O-O 10. e3 Bg4 11. h3 Bh5 12. Nc2 d3 13. Nce1 Ne8 14. g4 Bg6 15. Ne5 Nxe5 16. Bxe5 Qd7 17. f4 f6 18. Bb2 Rd8 19. Qf3 b5 20. Qc6 Nc7 21. Qb7 Nd5 22. Qxd7 Rxd7 23. f5 Bf7 24. e4 Nb4 25. Nf3 Nc2 26. Rac1 Rd6 27. e5 Ra6 28. e6 Be8 29. a4 bxa4 30. bxa4 Bxa4 31. Bc3 Rd8 32. Rb1 Rb6 33. Ba5 c4 34. Bxb6 axb6 35. Ne1 Na3 36. Rc1 Bb4 37. Nf3 Kf8 38. Rfe1 Ke7 39. Re4 Bb5 40. h4 Bc5+ 41. Kh2 h6 42. Kh3 Ba6 43. g5 h5 44. Rf1 Bb7 45. Ree1 Bd5 46. Ne5 Bxg2+ 47. Kxg2 fxe5 48. Rxe5 Rf8 49. Rd5 Bd6 50. Ra1 b5 51. Kf3 Rb8 52. Ke4 b4 53. Ra5 b3 54. Ra7+ Kf8 55. f6 g6 56. Kd5 Nb5 57. Rh7 Kg8 58. Rg7+ Kh8 59. Re1 Bf8 60. Rd7 c3 61. e7 cxd2 62. exf8=Q+ Rxf8 63. Ree7 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.09"]
[Round "10"]
[White "Ivkov, Borislav"]
[Black "Miles, Anthony John"]
[Result "1/2-1/2"]
[ECO "D25"]
[EventDate "1979.11.26"]
[PlyCount "40"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. h3 Bh5 8. O-O Bd6 9. e4 e5 10. Be2 O-O 11. dxe5 Nxe5 12. Nd4 Bxe2 13. Qxe2 Ng6 14. Ndb5 Bc5 15. Na4 Be7 16. Rd1 Qc8 17. Qc2 Ne8 18. Be3 c5 19. Rd2 Qc6 20. Nac3 a6 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.09"]
[Round "10"]
[White "Larsen, Bent"]
[Black "Panno, Oscar"]
[Result "1-0"]
[ECO "D41"]
[EventDate "1979.11.26"]
[PlyCount "81"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. d4 e6 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Be2 Nd7 12. O-O b6 13. Rfe1 Bb7 14. Bd3 Qe7 15. a4 a6 16. Qe2 Rfc8 17. h3 h6 18. Rac1 Qd8 19. Nd2 Rxc1 20. Rxc1 Rc8 21. Rb1 Nb8 22. Qe3 Bc6 23. Nc4 b5 24. Ne5 f6 25. Nxc6 Nxc6 26. axb5 axb5 27. d5 exd5 28. exd5 Qxd5 29. Rxb5 Qd6 30. Qe4 Ne5 31. Qh7+ Kf7 32. Bc2 Rc7 33. Bb3+ Nc4 34. Rb8 Qe5 35. Qd3 Qe1+ 36. Kh2 Qe5+ 37. g3 Qc5 38. Kg1 Ke7 39. Rg8 Kf7 40. Ra8 Ke7 41. Qd8+ 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.09"]
[Round "10"]
[White "Najdorf, Miguel"]
[Black "Andersson, Ulf"]
[Result "1/2-1/2"]
[ECO "E14"]
[EventDate "1979.11.26"]
[PlyCount "40"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5 6. O-O Be7 7. b3 O-O 8. Bb2 cxd4 9. exd4 d5 10. Qe2 Nbd7 11. Nc3 Re8 12. Rad1 Rc8 13. Ne5 Nf8 14. Kh1 Ng6 15. f4 Nh4 16. Rf2 Nf5 17. Bb1 Bb4 18. Na4 Bf8 19. Nc3 Bb4 20. Na4 Bf8 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.09"]
[Round "10"]
[White "Petrosian, Tigran"]
[Black "Lombardy, William James"]
[Result "1/2-1/2"]
[ECO "E41"]
[EventDate "1979.11.26"]
[PlyCount "85"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. e4 e5 9. d5 Ne7 10. Nd2 Qa5 11. Qc2 Bd7 12. Nf1 h6 13. Ne3 Ng4 14. Nf1 Nf6 15. h3 Ba4 16. Qd2 Rb8 17. Ne3 Nh5 18. g3 Bd7 19. a4 Nf6 20. Ra3 Ng6 21. Kf1 h5 22. Kg2 Kf8 23. Nf5 Bxf5 24. exf5 Ne7 25. Qc2 Qc7 26. Bg5 Nd7 27. a5 f6 28. Be3 Kf7 29. h4 b6 30. axb6 Nxb6 31. Qe2 a5 32. Qf3 a4 33. Qe4 Ra8 34. Rha1 Ra6 35. R3a2 Qa7 36. Bc1 Qc7 37. Bc2 Qd7 38. Bd2 Kf8 39. Be1 g6 40. fxg6 Kg7 41. f3 f5 42. Qe2 Nxg6 43. Bd2 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.09"]
[Round "10"]
[White "Quinteros, Miguel Angel"]
[Black "Franco Ocampos, Zenon"]
[Result "1/2-1/2"]
[ECO "A29"]
[EventDate "1979.11.26"]
[PlyCount "129"]

1. g3 e5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. Bg2 Ne7 6. Nf3 Nbc6 7. b4 a6 8. a3 g6 9. Bb2 Bg7 10. d3 O-O 11. O-O h6 12. Rc1 Be6 13. Na4 b6 14. Qc2 Qd7 15. Rfd1 Rad8 16. e3 Qe8 17. Nc3 f5 18. d4 e4 19. Nd2 Qf7 20. b5 axb5 21. Nxb5 Rd7 22. Bf1 Na5 23. Bc3 Nac6 24. Bb4 Nxb4 25. axb4 Nd5 26. Qb2 g5 27. Re1 Re7 28. Nc3 Nf6 29. b5 Qh5 30. Bg2 Kh8 31. Rc2 Ref7 32. Nf1 f4 33. exf4 gxf4 34. gxf4 Bh3 35. Ng3 Qh4 36. Ncxe4 Bxg2 37. Nxf6 Rxf6 38. Kxg2 Rxf4 39. Rd1 Qg4 40. Rd3 h5 41. Qb3 h4 42. f3 Qg5 43. Rxc7 hxg3 44. hxg3 Rg8 45. g4 Bf8 46. Qe6 Rf6 47. Qe5 Bd6 48. Qxg5 Rxg5 49. Rc8+ Kg7 50. d5 Kf7 51. Rc6 Be7 52. Kg3 Bd6+ 53. Kg2 Be7 54. Kg3 Rg8 55. f4 Bd6 56. Rd4 Bc5 57. Ra4 Re8 58. Ra7+ Re7 59. Rxe7+ Kxe7 60. Kf3 Rf8 61. f5 Rg8 62. Kf4 Bd6+ 63. Kf3 Bc5 64. Kf4 Bd6+ 65. Kf3 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.09"]
[Round "10"]
[White "Rubinetti, Jorge Alberto"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[ECO "A64"]
[EventDate "1979.11.26"]
[PlyCount "128"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Nbd7 10. h3 a6 11. a4 Re8 12. Nd2 Rb8 13. Nc4 Nb6 14. Na3 Bd7 15. a5 Nc8 16. Nc4 Bb5 17. Qb3 Bxc4 18. Qxc4 Nd7 19. Ra3 Ne7 20. Qa2 Nf5 21. e3 Ne5 22. Rd1 Qc7 23. Ra4 Rec8 24. Kh2 h5 25. Nb1 c4 26. e4 Nh6 27. Be3 h4 28. gxh4 Qe7 29. Bg5 f6 30. Be3 f5 31. Bg5 Qf8 32. Nd2 Nhf7 33. Nxc4 Nxg5 34. hxg5 fxe4 35. b3 Qf4+ 36. Kg1 Qxg5 37. Nxe5 Bxe5 38. Rxe4 Rc1 39. Ree1 Rc3 40. Qd2 Qxd2 41. Rxd2 Rxb3 42. Rc2 Ra3 43. Rec1 Rxa5 44. Rc8+ Rxc8 45. Rxc8+ Kf7 46. Rc7+ Kf6 47. Rxb7 Ra1+ 48. Bf1 a5 49. Kg2 a4 50. Ra7 Bd4 51. Ra6 Bc5 52. f4 a3 53. Bc4 Rc1 54. Ra4 Rc3 55. h4 Bd4 56. Ba2 Rc2+ 57. Kf3 Rxa2 58. Rxd4 Ra1 59. Ra4 a2 60. Kg2 Kf5 61. Kh2 Kg4 62. Kg2 Kxh4 63. f5+ Kg5 64. fxg6 Kxg6 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.09"]
[Round "10"]
[White "Spassky, Boris"]
[Black "Tempone, Marcelo"]
[Result "1-0"]
[ECO "C47"]
[EventDate "1979.11.26"]
[PlyCount "101"]

1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bd6 7. Nf3 Nc6 8. O-O O-O 9. Rb1 Rb8 10. d4 Bg4 11. Qd3 Qc8 12. Ng5 Bf5 13. Be4 g6 14. f4 exd4 15. cxd4 Re8 16. Rb5 Bxe4 17. Nxe4 Qe6 18. Nxd6 Qxd6 19. d5 Ne7 20. Ba3 Qd7 21. Bb2 Rf8 22. Re1 c6 23. Qc3 f6 24. dxc6 Nxc6 25. Qb3+ Kg7 26. Rd5 Qf7 27. Rd6 Qxb3 28. axb3 Rbd8 29. Red1 Rxd6 30. Rxd6 h6 31. Kf2 Rf7 32. g4 g5 33. f5 Ne7 34. Re6 Ng8 35. Bd4 a6 36. c3 Rc7 37. Rb6 Kf7 38. Kg3 Ke7 39. h4 gxh4+ 40. Kxh4 Kf7 41. Kg3 Rd7 42. Kf4 Re7 43. Rd6 Kg7 44. c4 Rf7 45. Bc3 Re7 46. Rd8 Rf7 47. Ke4 Ne7 48. Rd6 Nc6 49. Kd5 Ne7+ 50. Ke6 Nc6 51. Rd7 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.11"]
[Round "11"]
[White "Andersson, Ulf"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "D14"]
[EventDate "1979.11.26"]
[PlyCount "63"]

1. c4 c6 2. Nf3 d5 3. d4 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bb5 Nd7 9. Qa4 Qb6 10. Nh4 Be4 11. Rc1 Rc8 12. O-O a6 13. Bxc6 Rxc6 14. Nxe4 dxe4 15. d5 exd5 16. Nf5 g6 17. Nd4 Rxc1 18. Rxc1 Qxb2 19. Rc8+ Ke7 20. Nb3 Qb1+ 21. Rc1 Qd3 22. Qb4+ Kf6 23. Qxb7 Ba3 24. Qxd7 Bxc1 25. Qc6+ Kg7 26. Be5+ Kh6 27. Qxc1 Rc8 28. Qe1 Rc2 29. f3 g5 30. h4 exf3 31. gxf3 Re2 32. hxg5+ 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.11"]
[Round "11"]
[White "Franco Ocampos, Zenon"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1/2-1/2"]
[ECO "B52"]
[EventDate "1979.11.26"]
[PlyCount "154"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 Nf6 7. d4 Nxe4 8. d5 Nd8 9. Re1 f5 10. Nbd2 Nf6 11. Nc4 b5 12. Na5 g6 13. a4 a6 14. Ng5 Bg7 15. Ne6 Nxe6 16. Rxe6 Kf7 17. Re1 Rhe8 18. Nc6 bxa4 19. Bg5 e5 20. Qxa4 Qb7 21. Na5 Qxd5 22. Nc4 Qe6 23. Rad1 Red8 24. b3 e4 25. Bf4 d5 26. Bc7 Rf8 27. Nd6+ Kg8 28. Qc6 d4 29. Qxc5 dxc3 30. Qxc3 Nd5 31. Qc4 Nxc7 32. Qxc7 Qxb3 33. Rb1 Qc3 34. Qd7 Qf6 35. Qc6 Rad8 36. Red1 Qe6 37. Rb7 e3 38. fxe3 Qxe3+ 39. Kh1 Qc3 40. Qd5+ Kh8 41. Nf7+ Rxf7 42. Qxd8+ Rf8 43. Qd6 Qc4 44. Qe7 Rg8 45. Rdb1 h5 46. h3 Qf4 47. Qf7 Qg3 48. Rf1 Qd3 49. Re1 Qc3 50. Rbe7 Kh7 51. R7e6 Qg3 52. Qa7 a5 53. R6e3 Qf4 54. Qxa5 Bd4 55. Rd3 Re8 56. Red1 Be5 57. Qa7+ Kh6 58. Qg1 h4 59. Rf3 Qg5 60. Qe1 Re7 61. Qb4 Bg7 62. Rf4 Bf6 63. Qd2 Kh7 64. Qf2 Rb7 65. Rc4 Kh6 66. Qf3 Re7 67. Rf1 Kg7 68. Rc8 Qd2 69. Qa3 Kh7 70. Rcc1 Qd4 71. Qa6 Kg7 72. Rc6 Ra7 73. Qc8 Ra1 74. Rxa1 Qxa1+ 75. Rc1 Qd4 76. Qc4 Kh6 77. Qf1 Bg5 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.11"]
[Round "11"]
[White "Gheorghiu, Florin"]
[Black "Larsen, Bent"]
[Result "1/2-1/2"]
[ECO "D43"]
[EventDate "1979.11.26"]
[PlyCount "80"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 Nd7 8. Bd3 dxc4 9. Bxc4 Bd6 10. O-O Qe7 11. Rc1 O-O 12. Qe2 e5 13. Ne4 exd4 14. Nxd6 Qxd6 15. Rfd1 Qe7 16. Rxd4 Nf6 17. h3 b5 18. Bb3 c5 19. Rdd1 Rb8 20. e4 Qxe4 21. Qxe4 Nxe4 22. Bd5 Bb7 23. Bxe4 Bxe4 24. Rxc5 Bxf3 25. gxf3 Rb6 26. f4 Re8 27. f5 a6 28. Rd2 Kh7 29. Kg2 Rf6 30. f3 Re1 31. Kf2 Rb1 32. b3 Ra1 33. Kg3 Re1 34. Kf2 Re7 35. Kg3 g6 36. fxg6+ fxg6 37. Rcd5 Ref7 38. R2d3 g5 39. Rd6 Kg7 40. a4 bxa4 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.11"]
[Round "11"]
[White "Lombardy, William James"]
[Black "Spassky, Boris"]
[Result "0-1"]
[ECO "A14"]
[EventDate "1979.11.26"]
[PlyCount "83"]

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 c5 7. Bb2 Nc6 8. e3 Qa5 9. Qe2 Rd8 10. Nc3 Bd7 11. Rfd1 Rac8 12. d3 Be8 13. e4 dxc4 14. bxc4 Nd4 15. Qd2 b6 16. e5 Nd7 17. Re1 b5 18. cxb5 Nb6 19. Qd1 Nxb5 20. Ne4 Na4 21. Bc1 c4 22. d4 Nxd4 23. Nd6 Bxd6 24. exd6 Rxd6 25. Nxd4 Rxd4 26. Qxd4 Qxe1+ 27. Bf1 Qc3 28. Be3 Qxd4 29. Bxd4 a6 30. f4 Bb5 31. Kf2 f6 32. Bh3 Kf7 33. Re1 Rc6 34. Bg2 Rc7 35. Bh3 Bd7 36. Bf1 Bb5 37. Bh3 Rc6 38. Bg2 Rd6 39. Ke3 Nc3 40. Ra1 Ba4 41. Bf3 Nb5 42. Bc5 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.11"]
[Round "11"]
[White "Miles, Anthony John"]
[Black "Quinteros, Miguel Angel"]
[Result "0-1"]
[ECO "B27"]
[EventDate "1979.11.26"]
[PlyCount "63"]

1. d4 g6 2. e4 Bg7 3. Nf3 c5 4. c3 Qa5 5. Be2 cxd4 6. b4 Qb6 7. cxd4 Nc6 8. Nc3 Nxd4 9. Nd5 Nxf3+ 10. Bxf3 Qd4 11. Qc2 Qxa1 12. O-O Kf8 13. Bf4 Qb2 14. Qc7 Bd4 15. Qd8+ Kg7 16. Nc7 g5 17. Bc1 Qxb4 18. Nxa8 Nf6 19. Qc7 Qb5 20. Ba3 Be5 21. Qc1 Bf4 22. Qc2 d6 23. g3 Be5 24. Qd2 h6 25. Nc7 Qa4 26. Qd3 Bd7 27. Rb1 Rc8 28. Rxb7 Qc6 29. Rxa7 Rxc7 30. Ra5 Qc2 31. Qf1 Qc3 32. Rxe5 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.11"]
[Round "11"]
[White "Panno, Oscar"]
[Black "Petrosian, Tigran"]
[Result "0-1"]
[ECO "E17"]
[EventDate "1979.11.26"]
[PlyCount "86"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Re1 d5 8. cxd5 exd5 9. d4 Na6 10. Be3 c6 11. Ne5 Nd7 12. Nd3 Re8 13. Qa4 Bf6 14. Rad1 Nc7 15. Nb4 b5 16. Qc2 Ne6 17. Qc1 a5 18. Nc2 b4 19. Na4 Ba6 20. b3 Bb5 21. Nb2 Qb6 22. Nd3 Nxd4 23. Nf4 Rxe3 24. Nxe3 Ne6 25. Rxd5 cxd5 26. Nexd5 Qa7 27. Nxf6+ Nxf6 28. Nxe6 fxe6 29. Bxa8 Qxa8 30. Qc5 Qd5 31. Qc8+ Kf7 32. Qc7+ Kg6 33. Qxa5 Qd2 34. Kf1 Bc6 35. f3 Nd5 36. Qc5 Ne3+ 37. Kf2 Nc2 38. Rb1 Nd4 39. Qe5 Bxf3 40. Qe3 Qxe2+ 41. Qxe2 Bxe2 42. Ke3 e5 43. Rb2 Kf5 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.11"]
[Round "11"]
[White "Tempone, Marcelo"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "E18"]
[EventDate "1979.11.26"]
[PlyCount "70"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. Nc3 O-O 7. d4 Ne4 8. Bd2 Bf6 9. Rc1 d6 10. d5 Nxd2 11. Qxd2 e5 12. e4 Nd7 13. b4 g6 14. Rfd1 Bg7 15. Ne1 f5 16. Nd3 Nf6 17. f3 Bc8 18. c5 Bd7 19. Kh1 Qe7 20. Rf1 fxe4 21. Nxe4 Bb5 22. Nc3 Bxd3 23. cxd6 Qxd6 24. Qxd3 Qxb4 25. Bh3 Kh8 26. Kg2 Rad8 27. Rb1 Qd6 28. Qc4 Nxd5 29. Nxd5 Qxd5 30. Qxc7 Qxa2+ 31. Kh1 Rd2 32. Ra1 Qb2 33. Rab1 Rxh2+ 34. Kg1 Rc2 35. Qxa7 Qd4+ 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.12"]
[Round "12"]
[White "Larsen, Bent"]
[Black "Franco Ocampos, Zenon"]
[Result "1-0"]
[ECO "A16"]
[EventDate "1979.11.26"]
[PlyCount "45"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. h4 h6 6. e4 Nb6 7. d4 Bg7 8. Be3 Bg4 9. Qd2 Bxf3 10. gxf3 e6 11. O-O-O Nc6 12. Bb5 Qf6 13. Qe2 a6 14. Bxc6+ bxc6 15. h5 g5 16. Rhg1 O-O 17. Rg3 Rad8 18. Rdg1 Kh8 19. f4 gxf4 20. e5 Qf5 21. Rxg7 fxe3 22. Qxe3 Qxh5 23. Qg3 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.12"]
[Round "12"]
[White "Najdorf, Miguel"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "D59"]
[EventDate "1979.11.26"]
[PlyCount "37"]

1. Nf3 e6 2. c4 Nf6 3. Nc3 d5 4. d4 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Rc1 Be6 12. Be2 c5 13. b3 Rc8 14. O-O a5 15. Ne5 Nd7 16. Nxd7 Qxd7 17. a4 Qd6 18. Bb5 cxd4 19. Qxd4 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.12"]
[Round "12"]
[White "Petrosian, Tigran"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[ECO "A43"]
[EventDate "1979.11.26"]
[PlyCount "26"]

1. d4 Nf6 2. Nf3 c5 3. d5 g6 4. d6 Ne4 5. dxe7 Qxe7 6. Nfd2 Nf6 7. Nb3 b6 8. Nc3 Bb7 9. Bf4 a6 10. e3 Qe6 11. Qd2 d5 12. O-O-O Nbd7 13. Be2 Rd8 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.12"]
[Round "12"]
[White "Quinteros, Miguel Angel"]
[Black "Andersson, Ulf"]
[Result "0-1"]
[ECO "E02"]
[EventDate "1979.11.26"]
[PlyCount "96"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 Be7 7. Ngf3 O-O 8. Nxc4 c5 9. O-O a6 10. Qc2 Nd5 11. a3 b5 12. Nce5 Nxe5 13. Nxe5 Qc7 14. e4 Nf6 15. b4 c4 16. Bb2 Bb7 17. f4 Rad8 18. Bc3 Nd7 19. Nxd7 Rxd7 20. Rad1 Qb6 21. g4 Rfd8 22. g5 Qa7 23. Qf2 Bf8 24. h4 a5 25. Qe3 axb4 26. axb4 g6 27. Rd2 Bg7 28. Rfd1 h5 29. gxh6 Bxh6 30. Qg3 Kh7 31. Kh2 Qa8 32. Ra1 Qb8 33. Rf1 f5 34. e5 Bxg2 35. Qxg2 Qa8 36. Ra2 Ra7 37. Rxa7+ Qxa7 38. Qc6 Qd7 39. Qf3 Rh8 40. Ra1 Bf8 41. Qa8 Bc5 42. Qa6 Qe7 43. Kg2 Bxb4 44. Qb6 Kh6 45. Ra7 Qxh4 46. Bxb4 Qg4+ 47. Kf2 Qxf4+ 48. Ke1 Kg5 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.12"]
[Round "12"]
[White "Rubinetti, Jorge Alberto"]
[Black "Miles, Anthony John"]
[Result "0-1"]
[ECO "D25"]
[EventDate "1979.11.26"]
[PlyCount "104"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. O-O Nbd7 7. h3 Bh5 8. b3 c5 9. dxc5 Bxc5 10. Bb2 O-O 11. Nbd2 Qe7 12. a3 a5 13. e4 Nb6 14. Bd3 Rfd8 15. Qb1 Bg6 16. Ne5 Nh5 17. Ndf3 Nf4 18. Nxg6 hxg6 19. Rd1 Nd7 20. Bf1 Nf6 21. b4 axb4 22. axb4 Bxb4 23. Rxa8 Rxa8 24. Be5 g5 25. Nxg5 Ng6 26. Bxf6 gxf6 27. Nf3 Bc5 28. Rd2 b6 29. g3 Ra3 30. Rd3 Ra5 31. Qd1 Qa7 32. Rd8+ Kg7 33. Rd7 Qa8 34. Nd4 Bxd4 35. Rxd4 Ra1 36. Qe2 Qc6 37. h4 b5 38. Rb4 Ne5 39. Kg2 Qc3 40. Rxb5 Re1 41. Rb3 Qa1 42. Qb5 Qd4 43. Be2 Qxe4+ 44. Bf3 Qc2 45. Qb4 Qc1 46. Qf4 Qa1 47. Kh2 Qa2 48. Rc3 Rf1 49. Bg2 Rxf2 50. Qe4 Re2 51. Qb7 Ng4+ 52. Kh3 Nf2+ 0-1

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.12"]
[Round "12"]
[White "Spassky, Boris"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "E57"]
[EventDate "1979.11.26"]
[PlyCount "29"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O cxd4 8. exd4 dxc4 9. Bxc4 b6 10. Re1 Bb7 11. Bd3 Nc6 12. a3 Be7 13. Bc2 Rc8 14. Qd3 g6 15. Bf4 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.12"]
[Round "12"]
[White "Tempone, Marcelo"]
[Black "Lombardy, William James"]
[Result "1/2-1/2"]
[ECO "E60"]
[EventDate "1979.11.26"]
[PlyCount "74"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 O-O 5. Bg2 d6 6. d4 e5 7. dxe5 Nfd7 8. c4 Nc6 9. Nc3 Ncxe5 10. O-O Nxf3+ 11. Bxf3 Re8 12. Qd2 Nc5 13. Rfd1 a5 14. Nd5 c6 15. Bxg7 Kxg7 16. Qd4+ f6 17. Nf4 Kf7 18. Qxd6 Qxd6 19. Rxd6 Ke7 20. Rad1 Ne6 21. Nxe6 Bxe6 22. a4 Red8 23. R6d3 Bf5 24. e4 Be6 25. Kf1 Rxd3 26. Rxd3 Rd8 27. Ke2 Rxd3 28. Kxd3 Kd6 29. Kd4 c5+ 30. Ke3 Bd7 31. Bd1 h6 32. Bc2 Be8 33. h4 g5 34. f4 gxh4 35. gxh4 Bh5 36. Kd2 Bf3 37. Bd3 Ke6 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.14"]
[Round "13"]
[White "Andersson, Ulf"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1-0"]
[ECO "A29"]
[EventDate "1979.11.26"]
[PlyCount "81"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nde7 7. O-O Nf5 8. b4 a6 9. Rb1 f6 10. a3 Be7 11. Bb2 O-O 12. Qb3+ Kh8 13. e3 Nd6 14. d4 exd4 15. exd4 Bg4 16. Na4 Ne4 17. Qd3 f5 18. d5 Bf6 19. Rfd1 Ne7 20. Nc5 Qc8 21. h3 Bh5 22. Ne6 Re8 23. Bxf6 Nxf6 24. Nf4 Bf7 25. Ne5 Bg8 26. d6 Rd8 27. d7 Qb8 28. Qd4 c6 29. Qc5 Ned5 30. Bxd5 Bxd5 31. Nxd5 Qxe5 32. Nxf6 Qxf6 33. Rd6 Qf7 34. Rbd1 h6 35. a4 Kh7 36. a5 Kg8 37. Kh2 Kh7 38. Qe5 Kg8 39. Re6 Kf8 40. Qd6+ Kg8 41. Re7 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.14"]
[Round "13"]
[White "Franco Ocampos, Zenon"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[ECO "C15"]
[EventDate "1979.11.26"]
[PlyCount "31"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. exd5 exd5 7. Nf3 c4 8. g3 Ne7 9. Bg2 O-O 10. O-O f6 11. Re1 Nbc6 12. a4 Bg4 13. h3 Bh5 14. Ba3 Re8 15. Qb1 Rb8 16. Qb5 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.14"]
[Round "13"]
[White "Gheorghiu, Florin"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "D36"]
[EventDate "1979.11.26"]
[PlyCount "50"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Nbd7 8. Qc2 Re8 9. Nf3 c6 10. O-O Nf8 11. Rab1 Be6 12. b4 Rc8 13. Na4 N6d7 14. Bf4 g6 15. Rfc1 Bg4 16. Nd2 b5 17. Nc5 Nxc5 18. dxc5 Ne6 19. Bg3 Ng7 20. h3 Be6 21. Nf3 Bf5 22. Be5 Bf6 23. Bxf6 Qxf6 24. Qc3 Qxc3 25. Rxc3 a5 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.14"]
[Round "13"]
[White "Ivkov, Borislav"]
[Black "Quinteros, Miguel Angel"]
[Result "1-0"]
[ECO "E61"]
[EventDate "1979.11.26"]
[PlyCount "81"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e3 g6 5. d4 Bg7 6. Be2 O-O 7. O-O d6 8. b3 e6 9. Bb2 Qe7 10. Qc2 Bb7 11. Rad1 Nc6 12. Qb1 Rfd8 13. Qa1 Rac8 14. d5 Nb4 15. a3 Na6 16. dxe6 fxe6 17. Nb5 Bxf3 18. Bxf3 Ne8 19. Bxg7 Nxg7 20. Rd2 Nb8 21. Rfd1 Ne8 22. a4 a6 23. Nc3 a5 24. Nd5 Qg7 25. Qxg7+ Kxg7 26. Nf4 Kf7 27. Bg4 e5 28. Bxc8 exf4 29. Bb7 fxe3 30. fxe3 Ke7 31. Bd5 Rd7 32. e4 Nf6 33. Rf2 Rd8 34. Rdf1 Rf8 35. g4 h6 36. h4 Nbd7 37. g5 hxg5 38. hxg5 Nxd5 39. exd5 Rh8 40. Rf7+ Kd8 41. Rg7 1-0

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.14"]
[Round "13"]
[White "Lombardy, William James"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "E39"]
[EventDate "1979.11.26"]
[PlyCount "45"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bg5 Na6 7. a3 Bxc5 8. e3 h6 9. Bh4 b6 10. Nf3 Bb7 11. Be2 Be7 12. Rd1 Nc5 13. O-O Nfe4 14. Bxe7 Qxe7 15. b4 Nxc3 16. Qxc3 Ne4 17. Qb2 d5 18. cxd5 Bxd5 19. Rc1 Rac8 20. Ba6 Bb7 21. Bxb7 Qxb7 22. Rxc8 Rxc8 23. Rc1 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.14"]
[Round "13"]
[White "Miles, Anthony John"]
[Black "Larsen, Bent"]
[Result "1/2-1/2"]
[ECO "A14"]
[EventDate "1979.11.26"]
[PlyCount "110"]

1. c4 e6 2. g3 d5 3. Nf3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. d3 c5 9. e3 Nc6 10. Nc3 dxc4 11. dxc4 Nb4 12. Qb1 Qd3 13. Rd1 Qxb1 14. Raxb1 Rad8 15. Ne1 Bxg2 16. Kxg2 Nd7 17. Nb5 a6 18. Na7 Nb8 19. a3 N4c6 20. Nxc6 Nxc6 21. Kf1 b5 22. Bc3 b4 23. axb4 Rxd1 24. Rxd1 cxb4 25. Ba1 Na5 26. Rb1 f6 27. Ke2 e5 28. Nd3 Kf7 29. Kd2 h5 30. Kc2 h4 31. Bb2 hxg3 32. hxg3 Nb7 33. Rh1 a5 34. f4 exf4 35. gxf4 a4 36. bxa4 Rc8 37. Bd4 Rxc4+ 38. Kb2 Ke6 39. Rh7 Nd6 40. Kb3 Rc8 41. Bc5 Nf5 42. Bxe7 Rc3+ 43. Kxb4 Rxd3 44. Bc5 Nxe3 45. Rxg7 Nd5+ 46. Kb5 Rb3+ 47. Kc6 Nb4+ 48. Bxb4 Rxb4 49. a5 Rxf4 50. a6 Ra4 51. a7 Ke5 52. Rb7 Ra6+ 53. Kc5 Ra1 54. Rc7 Rc1+ 55. Kb6 Ra1 1/2-1/2

[Event "2nd Clarin it"]
[Site "Buenos Aires ARG"]
[Date "1979.12.14"]
[Round "13"]
[White "Panno, Oscar"]
[Black "Tempone, Marcelo"]
[Result "1-0"]
[ECO "A28"]
[EventDate "1979.11.26"]
[PlyCount "79"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 d6 5. d4 Bg4 6. d5 Nb8 7. e4 Nbd7 8. h3 Bxf3 9. Qxf3 g6 10. g4 h5 11. g5 Ng8 12. h4 Bg7 13. Be3 Ne7 14. Qe2 f5 15. f3 O-O 16. O-O-O Nb8 17. Kb1 c5 18. Bh3 Na6 19. Rhf1 f4 20. Bd2 Nc7 21. a3 a6 22. b4 b6 23. Ka2 cxb4 24. axb4 b5 25. cxb5 Nxb5 26. Nxb5 axb5+ 27. Kb3 Qb6 28. Ra1 Rfb8 29. Rfc1 Ra4 30. Rxa4 bxa4+ 31. Ka3 Kh7 32. Be1 Bf8 33. Rc4 Rb7 34. Bf2 Qb5 35. Qd3 Kg7 36. Bf1 Qd7 37. Qc2 Rb8 38. Rc7 Rc8 39. Rxc8 Nxc8 40. Qc6 1-0
