[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.22"]
[Round "1"]
[White "Bielicki, Carlos"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[ECO "A26"]
[EventDate "1962.03.22"]
[PlyCount "82"]

1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 d6 5. Nf3 Nc6 6. d3 h6 7. Bd2 Nge7 8. Qc1 Be6 9. O-O Qd7 10. Re1 g5 11. Bh1 f5 12. Rb1 Ng6 13. Rf1 f4 14. b4 Bh3 15. b5 Nce7 16. Rd1 O-O 17. Ne1 Rab8 18. Ne4 Nf5 19. Nc2 Nd4 20. Nxd4 exd4 21. Bb4 Qf5 22. Be1 Be5 23. f3 g4 24. Bf2 Qf7 25. Qb2 Qg7 26. fxg4 Bxg4 27. Bg2 fxg3 28. Bxg3 Nf4 29. Bxf4 Bxf4 30. Kh1 Rf5 31. Rf1 Qe5 32. Rxf4 Rxf4 33. Qd2 Rbf8 34. Rg1 Kh8 35. a4 b6 36. Qe1 R4f5 37. Ng3 Rf2 38. Qd2 Qe3 39. Qxe3 dxe3 40. Re1 h5 41. h4 Rg8 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.22"]
[Round "1"]
[White "Byrne, Donald"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[ECO "A26"]
[EventDate "1962.03.22"]
[PlyCount "127"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. d3 g6 6. e4 d6 7. Nge2 Bg7 8. O-O O-O 9. Nd5 Nxd5 10. cxd5 Ne7 11. Be3 c6 12. Qd2 cxd5 13. exd5 b6 14. f4 Bb7 15. Qb4 Qd7 16. Nc3 Rac8 17. a4 exf4 18. Bxf4 Bxc3 19. bxc3 Bxd5 20. Qxd6 Rfd8 21. Qe5 Bxg2 22. Kxg2 Qd5+ 23. Rf3 Qxe5 24. Bxe5 Rd5 25. Bf6 Nc6 26. c4 Rd6 27. Bc3 Rcd8 28. Rd1 Nd4 29. Rf2 Nb3 30. d4 Nc5 31. Ra2 Ne4 32. Ba1 Rc6 33. Rc1 Rdc8 34. Rac2 Nd6 35. c5 Ne4 36. Bb2 bxc5 37. dxc5 Rd8 38. Be5 Rd5 39. Bb8 a6 40. Ba7 Rd7 41. Bb6 Kf7 42. Kf1 Ke6 43. a5 h5 44. Ke1 g5 45. Rd1 Rxd1+ 46. Kxd1 Kd5 47. Ke2 Nxc5 48. Rd2+ Kc4 49. Rc2+ Kb5 50. Rb2+ Ka4 51. h4 Ne4 52. hxg5 Nxg5 53. Ke3 Rc4 54. Rf2 Rc3+ 55. Kd4 Rxg3 56. Rxf5 h4 57. Rf1 h3 58. Kd5 Nf3 59. Bc7 Rg5+ 60. Kc6 Nd4+ 61. Kb7 Ne6 62. Ra1+ Kb4 63. Rb1+ Ka4 64. Ra1+ 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.22"]
[Round "1"]
[White "Guimard, Carlos Enrique"]
[Black "Eliskases, Erich"]
[Result "1/2-1/2"]
[ECO "A46"]
[EventDate "1962.03.22"]
[PlyCount "47"]

1. Nf3 Nf6 2. d4 c5 3. dxc5 e6 4. c4 Bxc5 5. Nc3 b6 6. Bg5 Bb7 7. e3 h6 8. Bh4 Be7 9. Be2 O-O 10. O-O d5 11. Qa4 Nbd7 12. Rfd1 Nc5 13. Qc2 Nfe4 14. Nxe4 Nxe4 15. Bd3 Nc5 16. Bh7+ Kh8 17. Bg3 Qe8 18. cxd5 f5 19. b4 Ne4 20. Qc7 Bxd5 21. Bg6 Qxg6 22. Qxe7 Kh7 23. Ne5 Qh5 24. Rdc1 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.22"]
[Round "1"]
[White "Pachman, Ludek"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "A21"]
[EventDate "1962.03.22"]
[PlyCount "49"]

1. c4 e5 2. Nc3 d6 3. e3 g6 4. g3 Bg7 5. Bg2 c6 6. Nge2 h5 7. h3 Be6 8. b3 Ne7 9. d4 d5 10. cxd5 Nxd5 11. Nxd5 Bxd5 12. e4 Be6 13. Be3 Qa5+ 14. Bd2 Qa6 15. d5 cxd5 16. exd5 Bf5 17. O-O O-O 18. Be3 Rd8 19. Qd2 Nd7 20. Rfd1 Rac8 21. Nc3 Nc5 22. b4 Ne6 23. Bf1 Qa3 24. Nb5 Qa4 25. Qe1 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.22"]
[Round "1"]
[White "Parma, Bruno"]
[Black "Panno, Oscar"]
[Result "1-0"]
[ECO "B01"]
[EventDate "1962.03.22"]
[PlyCount "32"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 g6 5. Be2 Bg7 6. O-O O-O 7. c4 Nb6 8. h3 c5 9. d5 e6 10. Bg5 Bf6 11. Qc1 exd5 12. cxd5 Bxg5 13. Nxg5 Qxd5 14. Nc3 Qe5 15. Re1 Nc6 16. Bf3 Qg7 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.22"]
[Round "1"]
[White "Pilnik, Herman"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[ECO "C88"]
[EventDate "1962.03.22"]
[PlyCount "177"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 b4 9. d4 d6 10. h3 Bb7 11. d5 Na5 12. c3 c6 13. dxc6 Bxc6 14. Bc2 b3 15. Bd3 Nd7 16. c4 Nc5 17. Nc3 Rc8 18. Bf1 Qd7 19. Bd2 Bd8 20. Nh2 Bb6 21. Be3 Rfd8 22. Ng4 f6 23. Nd5 Bxd5 24. Qxd5+ Qf7 25. Red1 Nc6 26. a5 Nxa5 27. Bxc5 dxc5 28. Qxf7+ Kxf7 29. Ne3 Rxd1 30. Rxd1 Rd8 31. Nd5 Rd6 32. Ra1 Bd8 33. Ra3 g6 34. g4 Ke6 35. Be2 f5 36. gxf5+ gxf5 37. exf5+ Kxf5 38. Kf1 e4 39. Ke1 Ke5 40. Kd2 Kd4 41. Ne3 Ke5+ 42. Ke1 Rg6 43. Ng4+ Kf4 44. Kf1 Kg5 45. Ne3 Rd6 46. h4+ Kf4 47. Nd5+ Ke5 48. h5 Rd7 49. Ke1 Rg7 50. Kf1 Rf7 51. Ne3 Rd7 52. Ke1 Rb7 53. Ng4+ Kf4 54. Ne3 Kg5 55. Nd5 Rf7 56. Ra1 Rg7 57. Kf1 Rd7 58. Ke1 Kf5 59. Ra3 Ke5 60. Kf1 Rg7 61. Ne3 Rf7 62. Ke1 Nc6 63. Rxa6 Nb4 64. Ng4+ Kf4 65. Ra8 Bh4 66. Kd1 Nd3 67. Bxd3 exd3 68. f3 Re7 69. Rf8+ Kg3 70. Kd2 Re2+ 71. Kxd3 Rxb2 72. Kc3 Rb1 73. Ne5 Bg5 74. Rg8 Kf4 75. Nd7 Be7 76. Rb8 Kxf3 77. Rxb3 Rh1 78. Rb6 Rxh5 79. Rc6 Kf4 80. Kb3 Rh3+ 81. Ka4 h5 82. Nxc5 h4 83. Kb5 Re3 84. Na6 h3 85. Rh6 Kg3 86. Rg6+ Kf2 87. Rh6 Kg2 88. c5 h2 89. c6 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.22"]
[Round "1"]
[White "Rossetto, Hector Decio"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "B95"]
[EventDate "1962.03.22"]
[PlyCount "84"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Bc4 Be7 8. Bb3 Nc6 9. O-O O-O 10. Kh1 Bd7 11. f4 h6 12. Bh4 Nxe4 13. Bxe7 Nxc3 14. Nxc6 Bxc6 15. Qxd6 Qxd6 16. Bxd6 Rfd8 17. Bc5 Rd2 18. Rf2 Ne4 19. Rxd2 Nxd2 20. Rd1 Nxb3 21. axb3 Rc8 22. b4 Kh7 23. Kg1 g5 24. fxg5 hxg5 25. c3 Kg6 26. Kf2 Rh8 27. h3 Rh4 28. Rd4 Rf4+ 29. Rxf4 gxf4 30. g3 fxg3+ 31. Kxg3 Ba4 32. h4 e5 33. Bd6 f6 34. Kf2 Bd1 35. Ke3 Kf5 36. Bf8 Ke6 37. Kd3 f5 38. Kc4 f4 39. Bh6 Kf5 40. Kd3 e4+ 41. Kd4 e3 42. Kd3 Bb3 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.22"]
[Round "1"]
[White "Sanguineti, Raul"]
[Black "Penrose, Jonathan"]
[Result "1/2-1/2"]
[ECO "E61"]
[EventDate "1962.03.22"]
[PlyCount "136"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. e3 Nbd7 7. Nge2 e5 8. b3 Re8 9. Qc2 c6 10. Ba3 exd4 11. Nxd4 Nc5 12. O-O a5 13. h3 Bd7 14. Rad1 Qc8 15. Kh2 h5 16. Rfe1 Qc7 17. f4 b6 18. Bc1 Rad8 19. a3 Ne6 20. Nf3 d5 21. Ne5 Bc8 22. cxd5 cxd5 23. Qb2 Bb7 24. Nb5 Qb8 25. Bd2 Ne4 26. Bxe4 Bxe5 27. Qxe5 Qxe5 28. fxe5 dxe4 29. Nd6 Re7 30. Bc3 Rc7 31. Nb5 Rcd7 32. Rxd7 Rxd7 33. Bd4 Ba6 34. Nd6 Rc7 35. Nxe4 Rc2+ 36. Kg1 Bb7 37. Nf6+ Kf8 38. h4 b5 39. Bb6 a4 40. bxa4 bxa4 41. e4 Rc3 42. Re3 Rb3 43. Kf2 Ba6 44. Ke1 Rb1+ 45. Kd2 Kg7 46. Ba5 Ra1 47. Bb4 Nd4 48. Be7 Ra2+ 49. Kc3 Nc2 50. Rf3 Ne1 51. Ne8+ Kg8 52. Rf6 Rc2+ 53. Kb4 Rc4+ 54. Ka5 Rxe4 55. e6 Bc4 56. Rxg6+ fxg6 57. Nf6+ Kg7 58. Nxe4 Bxe6 59. Bf6+ Kf7 60. Bc3 Nf3 61. Kxa4 Bd5 62. Nf2 g5 63. hxg5 Nxg5 64. Be5 Ke6 65. Bc7 Kf5 66. Kb5 Bf3 67. a4 Ne4 68. Nxe4 Bxe4 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.23"]
[Round "2"]
[White "Eliskases, Erich"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[ECO "E60"]
[EventDate "1962.03.22"]
[PlyCount "33"]

1. c4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 d6 6. d4 Nbd7 7. Bg2 e5 8. dxe5 dxe5 9. O-O e4 10. Ne1 Qe7 11. Nc2 Rd8 12. Nc3 Nc5 13. Qe1 c6 14. Rd1 Bf5 15. Ne3 Qe6 16. Rxd8+ Rxd8 17. Qb1 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.23"]
[Round "2"]
[White "Najdorf, Miguel"]
[Black "Bielicki, Carlos"]
[Result "1/2-1/2"]
[ECO "E55"]
[EventDate "1962.03.22"]
[PlyCount "64"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qb3 Bxc3 10. bxc3 b6 11. Be2 Bb7 12. c4 Qc7 13. Bb2 Rac8 14. Rac1 Rfd8 15. Rfd1 cxd4 16. exd4 Bxf3 17. Qxf3 e5 18. d5 Qd6 19. Qf5 Re8 20. Rc3 Nf8 21. Re3 N6d7 22. Qb1 Nc5 23. h4 Re7 24. h5 Nfd7 25. Qf5 Rce8 26. Rg3 f6 27. Re3 Kh8 28. Bg4 e4 29. Be2 Ne5 30. Bd4 Nf7 31. Qh3 Nh6 32. Re1 Ne6 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.23"]
[Round "2"]
[White "Panno, Oscar"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "E64"]
[EventDate "1962.03.22"]
[PlyCount "81"]

1. d4 Nf6 2. c4 g6 3. g3 c5 4. d5 d6 5. Bg2 Bg7 6. Nc3 a6 7. Nf3 O-O 8. O-O Nbd7 9. a4 Rb8 10. h3 Ne8 11. Bd2 Nc7 12. a5 b5 13. axb6 Nxb6 14. b3 e5 15. Ne1 f5 16. f4 e4 17. e3 Ne8 18. Nc2 h5 19. h4 Rf7 20. Ra2 Nf6 21. Ne2 Nbd7 22. Ba5 Qf8 23. Nc1 Ng4 24. Bh3 Ndf6 25. Qd2 Kh7 26. Re1 Qh8 27. Re2 Ne8 28. Ne1 Rfb7 29. Ra3 Bf6 30. Bf1 Kg8 31. Ng2 Qg7 32. Qc2 Nc7 33. Rd2 Ne8 34. Be2 Nh6 35. Bd1 Nf7 36. Ne2 Nd8 37. Kh2 Bd7 38. Qc1 Ra7 39. Rda2 Bc8 40. Qd2 Nf7 41. Qc2 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.23"]
[Round "2"]
[White "Penrose, Jonathan"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "C09"]
[EventDate "1962.03.22"]
[PlyCount "65"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. O-O Nge7 8. dxc5 Bxc5 9. Nb3 Bb6 10. Be3 Bxe3 11. Bxc6+ bxc6 12. fxe3 O-O 13. Qd2 Qb6 14. Qc3 Rb8 15. Rab1 Ba6 16. Rf2 Qb4 17. Qxb4 Rxb4 18. Nc5 Bc8 19. Ne5 Rb5 20. b4 f6 21. Nf3 Rb6 22. c3 Rd8 23. Nd4 Rd6 24. h3 h6 25. a4 Bd7 26. Re1 Be8 27. e4 Bf7 28. e5 fxe5 29. Rxe5 Ng6 30. Ref5 Be8 31. h4 Rb8 32. h5 Ne7 33. Re5 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.23"]
[Round "2"]
[White "Polugaevsky, Lev"]
[Black "Rossetto, Hector Decio"]
[Result "1-0"]
[ECO "B00"]
[EventDate "1962.03.22"]
[PlyCount "107"]

1. d4 Nc6 2. e4 e5 3. d5 Nce7 4. Bd3 Ng6 5. Be3 Bb4+ 6. Nd2 Ba5 7. c4 Nf6 8. a3 Bxd2+ 9. Bxd2 d6 10. Ne2 Nh5 11. g3 Bg4 12. Qa4+ Qd7 13. Qxd7+ Bxd7 14. f3 O-O 15. O-O a5 16. b4 axb4 17. axb4 Ne7 18. Nc3 g6 19. Be2 Ng7 20. Bg5 Rxa1 21. Rxa1 f6 22. Be3 Rb8 23. c5 Ne8 24. f4 Kg7 25. Nb5 Nc8 26. fxe5 fxe5 27. Bg5 c6 28. Nc3 h6 29. Bd8 dxc5 30. bxc5 Ncd6 31. Ba5 Nf7 32. Bb6 h5 33. Ra7 Kf6 34. Bc4 Ng5 35. Kf2 h4 36. gxh4 Nh3+ 37. Ke3 Nf4 38. dxc6 Bxc6 39. Nd5+ Bxd5 40. exd5 Kf5 41. d6 Nf6 42. Bc7 Rh8 43. Rxb7 Rxh4 44. Bb6 N6d5+ 45. Bxd5 Nxd5+ 46. Kf2 Rf4+ 47. Kg1 Rg4+ 48. Kh1 Rd4 49. d7 Nxb6 50. cxb6 Ke6 51. Kg2 g5 52. Kf3 Ke7 53. Rc7 Kd8 54. Rc8+ 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.23"]
[Round "2"]
[White "Sanguineti, Raul"]
[Black "Pilnik, Herman"]
[Result "1/2-1/2"]
[ECO "E95"]
[EventDate "1962.03.22"]
[PlyCount "72"]

1. c4 e5 2. Nc3 d6 3. Nf3 g6 4. d4 Nd7 5. e4 Bg7 6. Be2 Ngf6 7. O-O O-O 8. Re1 c6 9. Bf1 Ng4 10. h3 exd4 11. Nxd4 Qb6 12. hxg4 Bxd4 13. Qd2 Bg7 14. Qxd6 Ne5 15. c5 Qb4 16. a3 Qb3 17. g5 Bg4 18. Qd2 Rad8 19. Qe3 Nc4 20. Bxc4 Qxc4 21. e5 Bf5 22. f4 Rd3 23. Qf2 Rfd8 24. Be3 Qb3 25. Qe2 Bf8 26. Rad1 Rxd1 27. Rxd1 Rxd1+ 28. Nxd1 h5 29. gxh6 Bxh6 30. Nf2 Bf8 31. Qd2 Be7 32. Kh2 Qc4 33. g4 Be6 34. b4 Qf1 35. Qc1 Qe2 36. Qd2 Qf1 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.23"]
[Round "2"]
[White "Smyslov, Vassily"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "D02"]
[EventDate "1962.03.22"]
[PlyCount "144"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 Be7 4. O-O O-O 5. b3 d5 6. Bb2 b6 7. d4 Bb7 8. Nbd2 c5 9. e3 a5 10. c4 a4 11. bxa4 Bc6 12. cxd5 Bxa4 13. Qb1 Nxd5 14. Rc1 Nc6 15. Ne4 cxd4 16. Nxd4 Qd7 17. Ne2 Bb5 18. N2c3 Bc4 19. Rd1 Qc7 20. Nd2 Ncb4 21. Nxc4 Qxc4 22. Nxd5 Nxd5 23. Rd4 Qb5 24. a4 Qe2 25. Bxd5 exd5 26. Rxd5 Rfc8 27. Bd4 Bc5 28. Qf5 Bxd4 29. Rxd4 Rc5 30. Qe4 Rac8 31. Rad1 Rc1 32. Qd3 Qxd3 33. R4xd3 Kf8 34. Kg2 Rxd1 35. Rxd1 Rc2 36. Rb1 Rc4 37. Rxb6 Rxa4 38. Kf3 Ra2 39. g4 h6 40. h4 Ke7 41. h5 Ra4 42. e4 Ra5 43. Kf4 f6 44. Rb7+ Kf8 45. Rd7 Kg8 46. Rd8+ Kf7 47. Rd7+ Kg8 48. Ke3 Ra3+ 49. Rd3 Ra4 50. f3 Kf7 51. Rc3 Kg8 52. f4 Kf7 53. Kf3 Ra5 54. Ke3 Ra4 55. Rc7+ Kf8 56. Rc5 Kf7 57. g5 Ra3+ 58. Kd4 hxg5 59. fxg5 fxg5 60. Rxg5 Rh3 61. Ke5 Rd3 62. Rf5+ Ke7 63. Kf4 Rh3 64. Ra5 Rh4+ 65. Ke3 Ke6 66. Kd4 Rh1 67. Ra6+ Ke7 68. Kd5 Rxh5+ 69. e5 Rh6 70. Ra7+ Ke8 71. Rxg7 Ra6 72. e6 Ra1 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.23"]
[Round "2"]
[White "Szabo, Laszlo"]
[Black "Guimard, Carlos Enrique"]
[Result "1-0"]
[ECO "A43"]
[EventDate "1962.03.22"]
[PlyCount "51"]

1. d4 e6 2. Nc3 c5 3. d5 Nf6 4. e4 d6 5. Bb5+ Nbd7 6. dxe6 fxe6 7. e5 dxe5 8. Nf3 a6 9. Bc4 Nb6 10. Qxd8+ Kxd8 11. Nxe5 Bd6 12. Nf7+ Ke7 13. Nxd6 Kxd6 14. Bd3 Nbd5 15. Ne4+ Nxe4 16. Bxe4 Bd7 17. c4 Ke5 18. f3 Nf6 19. Bxb7 Ra7 20. f4+ Kd4 21. Bf3 Kxc4 22. Be3 Rc8 23. Kf2 Kb5 24. b4 Kxb4 25. Rhb1+ Kc4 26. Rb3 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.25"]
[Round "3"]
[White "Bielicki, Carlos"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]
[ECO "E69"]
[EventDate "1962.03.22"]
[PlyCount "66"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. Re1 Qb6 10. h3 exd4 11. Nxd4 Re8 12. Rb1 Ng4 13. Nce2 Nge5 14. Qc2 Qb4 15. Rd1 Qxc4 16. Nc3 Nc5 17. Be3 Ne6 18. Nb3 Qa6 19. Bf1 Nc4 20. Bd4 Nxd4 21. Nxd4 Bd7 22. b3 Na3 23. Bxa6 Nxc2 24. Nxc2 bxa6 25. Rxd6 Bxh3 26. Nd1 Rxe4 27. Nce3 Re6 28. Rxe6 Bxe6 29. Rc1 Rc8 30. Rc5 Rc7 31. Ra5 Bc8 32. Nc4 Bd4 33. Nde3 c5 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.25"]
[Round "3"]
[White "Byrne, Donald"]
[Black "Smyslov, Vassily"]
[Result "1-0"]
[ECO "A21"]
[EventDate "1962.03.22"]
[PlyCount "65"]

1. c4 e5 2. Nc3 d6 3. g3 Bg4 4. d4 Nc6 5. d5 Nb8 6. Bg2 Nf6 7. Nf3 Be7 8. h3 Bd7 9. O-O O-O 10. e4 Na6 11. Be3 Ne8 12. Ne1 c5 13. f4 Bf6 14. Nf3 exf4 15. gxf4 Bxc3 16. bxc3 Qa5 17. Qd3 b5 18. cxb5 Qxb5 19. Qd2 Rb8 20. Rfb1 Qxb1+ 21. Rxb1 Rxb1+ 22. Kh2 f6 23. e5 fxe5 24. fxe5 Nac7 25. exd6 Nxd6 26. Bxc5 Nce8 27. Nd4 Rf6 28. Qe2 Rg6 29. Nc6 Bxc6 30. dxc6 Rb5 31. Bd5+ Kh8 32. Bxd6 Nxd6 33. c7 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.25"]
[Round "3"]
[White "Guimard, Carlos Enrique"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "A48"]
[EventDate "1962.03.22"]
[PlyCount "64"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. e4 d6 6. c3 Nbd7 7. Bc4 e5 8. O-O h6 9. Bxf6 Qxf6 10. dxe5 dxe5 11. b4 Qe7 12. Qc2 Nf6 13. Rfe1 Nh5 14. Nf1 Nf4 15. Ne3 c6 16. Rad1 a5 17. b5 Ne6 18. bxc6 bxc6 19. Rb1 Nc5 20. h4 Kh8 21. Rb6 Bd7 22. h5 f5 23. hxg6 fxe4 24. Nd2 Be8 25. Bf7 Bxf7 26. gxf7 Qxf7 27. Nd1 Rad8 28. Rxc6 Nd3 29. Rf1 Qd5 30. Qa4 Nf4 31. Nxe4 Ne2+ 32. Kh2 Rf4 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.25"]
[Round "3"]
[White "Letelier Martner, Rene"]
[Black "Eliskases, Erich"]
[Result "1/2-1/2"]
[ECO "E53"]
[EventDate "1962.03.22"]
[PlyCount "81"]

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. Nf3 Qc7 10. Qc2 b6 11. Bb2 Nbd7 12. Rc1 Bb7 13. Be2 cxd4 14. cxd4 Qxc2 15. Rxc2 Rfc8 16. Bd3 Be4 17. Rxc8+ Rxc8 18. Kd2 b5 19. Rc1 Rxc1 20. Bxc1 Bxd3 21. Kxd3 Nd5 22. Bd2 f6 23. Ba5 Nb8 24. Nd2 Nc6 25. Nb3 Kf7 26. g3 f5 27. f3 Ke7 28. e4 fxe4+ 29. fxe4 Nf6 30. Be1 Nd7 31. Bc3 Kd6 32. Bb4+ Nxb4+ 33. axb4 Nb8 34. Na5 Na6 35. Kc3 Kc7 36. Nb3 Kd6 37. Nc5 Nxc5 38. dxc5+ Kc6 39. Kd4 h5 40. h4 g6 41. Kc3 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.25"]
[Round "3"]
[White "Pachman, Ludek"]
[Black "Szabo, Laszlo"]
[Result "1-0"]
[ECO "A75"]
[EventDate "1962.03.22"]
[PlyCount "117"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 a6 7. a4 g6 8. e4 Bg7 9. Be2 O-O 10. O-O Bg4 11. h3 Bxf3 12. Bxf3 Nbd7 13. Bf4 Ne8 14. Be2 Qe7 15. Qd2 Nc7 16. Rfe1 Rfb8 17. Bf1 Qf8 18. Kh1 b6 19. Bh2 Rb7 20. f4 f6 21. e5 fxe5 22. fxe5 Nxe5 23. Bxe5 Bxe5 24. Rxe5 dxe5 25. d6 Rd8 26. Bc4+ Kh8 27. Ne4 Ne8 28. Rf1 Qg7 29. Be6 b5 30. Qg5 Rbd7 31. Rf7 Rxf7 32. Qxd8 Rf8 33. d7 Nf6 34. Qxf6 Rxf6 35. d8=Q+ Rf8 36. Qd5 bxa4 37. Qxc5 h6 38. Bc4 Rd8 39. Kh2 a5 40. Qxa5 Qe7 41. Qxa4 Kg7 42. Qc6 h5 43. Bd5 h4 44. b4 Qf8 45. Qc7+ Kh6 46. Qxe5 Qf5 47. Qxf5 gxf5 48. Nc3 Rc8 49. Na2 Kg5 50. b5 Rc5 51. Bc6 Rc4 52. Bd7 Rd4 53. Be6 Kf6 54. b6 Rd2 55. b7 Rb2 56. Bd5 Ke5 57. Bf3 Kd4 58. Nc1 Ke3 59. Bd5 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.25"]
[Round "3"]
[White "Parma, Bruno"]
[Black "Sanguineti, Raul"]
[Result "1/2-1/2"]
[ECO "C88"]
[EventDate "1962.03.22"]
[PlyCount "85"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 b4 9. d3 d6 10. a5 Be6 11. Bxe6 fxe6 12. Nbd2 Nd7 13. c3 Bf6 14. Qa4 bxc3 15. bxc3 Na7 16. Qc4 Qe8 17. Qxa6 Nc5 18. Qc4 Qb5 19. d4 exd4 20. cxd4 Qxc4 21. Nxc4 Nb3 22. Rb1 Nxd4 23. Nxd4 Bxd4 24. Be3 Nc6 25. Rb7 Bxe3 26. Nxe3 Rfc8 27. Rc1 Ra7 28. Rxa7 Nxa7 29. f4 Kf7 30. Rb1 Ke8 31. Nc4 Nc6 32. Rb5 Kd7 33. Kf2 Rb8 34. Rxb8 Nxb8 35. Ke3 Kc6 36. Na3 Kc5 37. g4 Nc6 38. a6 Kb6 39. f5 exf5 40. exf5 Kxa6 41. Ke4 Kb7 42. Kd5 Nd8 43. Nc4 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.25"]
[Round "3"]
[White "Pilnik, Herman"]
[Black "Penrose, Jonathan"]
[Result "1/2-1/2"]
[ECO "B43"]
[EventDate "1962.03.22"]
[PlyCount "110"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. O-O Be7 9. h3 O-O 10. g4 Rd8 11. Nde2 d5 12. exd5 Nb4 13. Bf4 e5 14. Bg3 Be6 15. Nd4 Bxd5 16. Nxd5 Nfxd5 17. c3 Nc6 18. Nb5 axb5 19. Bxd5 Qd6 20. Bg2 Qc5 21. Qe2 Bg5 22. Rfd1 Rxd1+ 23. Rxd1 Rxa2 24. h4 Be7 25. Bd5 Ra8 26. Qf3 Rf8 27. b4 Qb6 28. Bb3 Qc7 29. Qd5 Qc8 30. Qd7 g6 31. Qxc8 Rxc8 32. Rd7 Kf8 33. g5 Ke8 34. Rd5 Rd8 35. Rxb5 Rd3 36. Rxb7 Rxc3 37. Ba4 Kd8 38. Bxc6 Rxc6 39. Bxe5 Rc4 40. Bf6 Bxf6 41. gxf6 Rg4+ 42. Kf1 Rxh4 43. b5 Rb4 44. Ke2 h5 45. Rxf7 Rxb5 46. Rg7 Re5+ 47. Kf1 Ke8 48. Rxg6 Kf7 49. Rh6 Ra5 50. Kg2 Rb5 51. Kg3 Rf5 52. f3 Ke6 53. Kf2 Kf7 54. Ke3 Ra5 55. Kf4 Rb5 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.25"]
[Round "3"]
[White "Rossetto, Hector Decio"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "B97"]
[EventDate "1962.03.22"]
[PlyCount "85"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Bxf6 gxf6 11. Be2 Nc6 12. Nb3 Bg7 13. O-O f5 14. exf5 Qb4 15. Nd1 Qxd2 16. Nxd2 Nd4 17. Bd3 Nxf5 18. Bxf5 exf5 19. Nc4 Be6 20. Nde3 O-O-O 21. Rfd1 Kc7 22. Nd5+ Kb8 23. a4 Rhe8 24. a5 Bxd5 25. Rxd5 Re4 26. Rxd6 Bd4+ 27. Kh1 Rde8 28. Ne5 Bxe5 29. fxe5 R4xe5 30. h3 R8e7 31. Rh6 Rxa5 32. Rxh7 Rc5 33. Rf1 Ka7 34. Rh5 Rxc2 35. Rhxf5 Ree2 36. Rg5 Rf2 37. Rxf2 Rxf2 38. Kg1 Rf6 39. h4 b5 40. Rg4 a5 41. h5 Kb6 42. Rh4 Rh6 43. g4 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.26"]
[Round "4"]
[White "Najdorf, Miguel"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[ECO "A37"]
[EventDate "1962.03.22"]
[PlyCount "31"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. d3 e5 6. c4 Nge7 7. Nc3 O-O 8. Rb1 d6 9. a3 b6 10. b4 Bb7 11. e4 Qd7 12. Bd2 f5 13. Nd5 Nxd5 14. exd5 Nd4 15. bxc5 Nxf3+ 16. Bxf3 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.26"]
[Round "4"]
[White "Panno, Oscar"]
[Black "Bielicki, Carlos"]
[Result "1-0"]
[ECO "B42"]
[EventDate "1962.03.22"]
[PlyCount "149"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. O-O Nf6 7. Qe2 d6 8. f4 Nbd7 9. a4 Nc5 10. Kh1 Nxd3 11. cxd3 Be7 12. Nc3 O-O 13. Be3 Kh8 14. a5 Bd7 15. Rfc1 Qd8 16. Qf3 Ne8 17. Nde2 Bc6 18. Bb6 Qd7 19. d4 d5 20. e5 f5 21. Qe3 Rg8 22. Bc5 Nc7 23. b4 Rac8 24. Rab1 Bb5 25. Ng1 h6 26. Nh3 Rce8 27. Rg1 Bxc5 28. bxc5 Qf7 29. Rb2 g6 30. Nd1 Rg7 31. Ndf2 Reg8 32. g4 Bc6 33. Rg3 Nb5 34. Kg1 Na7 35. g5 h5 36. Nd1 Qc7 37. Qd2 Ra8 38. Ra3 Re7 39. Ra1 Nb5 40. Nc3 Ree8 41. Nf2 Nxc3 42. Qxc3 Bb5 43. h4 Rec8 44. Nd1 Qd7 45. Rab1 Rc7 46. Qa3 Rac8 47. Nc3 Bc6 48. Rb6 Qf7 49. Kf2 Kg8 50. Na2 Kh8 51. Nb4 Bd7 52. Rd6 Bb5 53. Na2 Qe8 54. Nc3 Bc6 55. Rb6 Qf7 56. Na2 Qe8 57. Nb4 Bd7 58. Qb3 Qe7 59. Kg3 Qe8 60. Qb1 Kh7 61. Qd3 Kh8 62. Qe2 Bb5 63. Qf3 Bd7 64. Nxd5 exd5 65. Rxg6 Bc6 66. Rf6 Rh7 67. Qd3 Rf7 68. Qxf5 Rxf6 69. Qxf6+ Kg8 70. f5 Qd7 71. Qg6+ Kh8 72. Qxh5+ Kg8 73. Qg6+ Kh8 74. h5 Rf8 75. Qh6+ 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.26"]
[Round "4"]
[White "Penrose, Jonathan"]
[Black "Eliskases, Erich"]
[Result "1/2-1/2"]
[ECO "B39"]
[EventDate "1962.03.22"]
[PlyCount "47"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Rc1 d6 11. g3 Bd7 12. Bg2 Bc6 13. O-O O-O 14. b4 b6 15. Qd2 Re8 16. f4 Nf8 17. Rfd1 Rc8 18. Nd5 Qd7 19. Bd4 Bxd5 20. exd5 Bxd4+ 21. Qxd4 Qa4 22. Qd2 a5 23. bxa5 bxa5 24. Bf1 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.26"]
[Round "4"]
[White "Pilnik, Herman"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "B77"]
[EventDate "1962.03.22"]
[PlyCount "82"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4 O-O 9. Bb3 Nxd4 10. Bxd4 Be6 11. Qd2 Qa5 12. O-O Rfc8 13. Rad1 b5 14. Bxf6 Bxf6 15. Nd5 Qxd2 16. Nxf6+ Kg7 17. Nh5+ gxh5 18. Rxd2 Bxb3 19. axb3 b4 20. Rc1 Rc5 21. c4 bxc3 22. Rxc3 Rb8 23. Rxc5 dxc5 24. Rd3 h4 25. h3 Kf6 26. Rc3 Rb5 27. Kf2 c4 28. bxc4 Rxb2+ 29. Kg1 Rb1+ 30. Kh2 Rb6 31. Ra3 a6 32. Ra5 Rc6 33. Rh5 Kg7 34. Ra5 Rxc4 35. Rxa6 e6 36. Ra5 Kg6 37. Re5 h6 38. Ra5 Rb4 39. Ra8 Kg7 40. Ra2 Rb1 41. Ra4 Re1 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.26"]
[Round "4"]
[White "Polugaevsky, Lev"]
[Black "Guimard, Carlos Enrique"]
[Result "1-0"]
[ECO "A85"]
[EventDate "1962.03.22"]
[PlyCount "75"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Qc2 Qe8 7. Nf3 d6 8. O-O-O Nc6 9. d5 Nb4 10. Qb3 Na6 11. dxe6 Nc5 12. Qc2 Nxe6 13. Bh4 Nc5 14. Nd4 Qh5 15. Bg3 a5 16. Be2 Qg6 17. Bh4 Qh6 18. Bg3 Qg6 19. Bf3 a4 20. h4 a3 21. b3 Nfe4 22. h5 Qf7 23. Nxe4 fxe4 24. Bxe4 Nxe4 25. Qxe4 c5 26. Nb5 Qf6 27. Qc2 Bf5 28. Qc3 Qe6 29. Bh4 Bxh4 30. Rxh4 Rad8 31. Rf4 Qh6 32. g4 Bxg4 33. Rxg4 Rxf2 34. Rdg1 Rd7 35. Nxd6 Rxa2 36. Nf5 Qe6 37. Rxg7+ Kf8 38. Rxd7 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.26"]
[Round "4"]
[White "Sanguineti, Raul"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "A36"]
[EventDate "1962.03.22"]
[PlyCount "66"]

1. c4 Nf6 2. Nc3 g6 3. g3 c5 4. Bg2 Nc6 5. a3 Bg7 6. Rb1 a5 7. e3 d6 8. Nge2 Bf5 9. d3 O-O 10. h3 Rb8 11. O-O Ne8 12. f4 Nc7 13. b3 Bd7 14. Bb2 e5 15. Qd2 b5 16. a4 bxa4 17. bxa4 Nb4 18. Nb5 Be6 19. Nec3 f5 20. e4 Qd7 21. Kh2 exf4 22. gxf4 Rbe8 23. exf5 Bxf5 24. Ne4 Bxb2 25. Rxb2 Re6 26. Qc3 Ne8 27. Re2 h6 28. d4 Nf6 29. Nxf6+ Rfxf6 30. Rd2 Qe7 31. dxc5 dxc5 32. Qg3 Re3 33. Rf3 Rfe6 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.26"]
[Round "4"]
[White "Smyslov, Vassily"]
[Black "Rossetto, Hector Decio"]
[Result "1-0"]
[ECO "D35"]
[EventDate "1962.03.22"]
[PlyCount "81"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. cxd5 exd5 6. Bf4 c6 7. e3 Nbd7 8. h3 Nf8 9. Bd3 Ne6 10. Be5 O-O 11. Qc2 g6 12. O-O-O Ng7 13. g4 Nfe8 14. Rdg1 f5 15. g5 Bd6 16. h4 Nh5 17. Ne2 Neg7 18. Nf4 Bxe5 19. Nxh5 Nxh5 20. Nxe5 Qa5 21. a3 Be6 22. Be2 c5 23. dxc5 Rac8 24. Nd3 f4 25. Qd2 Qxd2+ 26. Kxd2 fxe3+ 27. fxe3 Ng7 28. b4 Bf5 29. Rf1 Rfe8 30. Nf2 b6 31. Ng4 Kh8 32. Nf6 Re5 33. Rc1 bxc5 34. Rxc5 Rxc5 35. bxc5 Ne6 36. c6 d4 37. e4 Bxe4 38. Nxe4 Rxe4 39. Rb1 Re3 40. Rb8+ Kg7 41. Bc4 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.26"]
[Round "4"]
[White "Szabo, Laszlo"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]
[ECO "D02"]
[EventDate "1962.03.22"]
[PlyCount "75"]

1. d4 d5 2. Nf3 c5 3. g3 Nf6 4. Bg2 Nbd7 5. O-O g6 6. c4 dxc4 7. dxc5 Qc7 8. Qa4 Qxc5 9. Be3 Qh5 10. h3 a6 11. Nc3 Nd5 12. Bd4 Nxc3 13. Bxc3 f6 14. Qxc4 Qc5 15. Qb3 Qb6 16. Qa4 e5 17. Rad1 Qb5 18. Qe4 Be7 19. a4 Nc5 20. Qxe5 Qxa4 21. Qe3 Ne6 22. Nd4 Nd8 23. g4 Qc4 24. Nf5 gxf5 25. Bxf6 Be6 26. Bd5 Qc8 27. Bxh8 fxg4 28. Bxe6 Nxe6 29. hxg4 Qc4 30. Qf3 Nf4 31. e3 Ng6 32. Bc3 Rc8 33. Rd4 Qb5 34. Rfd1 Rc7 35. Qe4 Qg5 36. Rd8+ Kf7 37. R8d5 Qh6 38. Rh5 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.28"]
[Round "5"]
[White "Bielicki, Carlos"]
[Black "Smyslov, Vassily"]
[Result "0-1"]
[ECO "D25"]
[EventDate "1962.03.22"]
[PlyCount "80"]

1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 g6 5. Bxc4 Bg7 6. Nc3 O-O 7. h3 Bf5 8. Qe2 Ne4 9. O-O Nd7 10. Rd1 Ndf6 11. Bd2 c6 12. Be1 Nxc3 13. Bxc3 Rc8 14. Rac1 Ne4 15. Be1 Nd6 16. Bb3 Qb6 17. Nd2 c5 18. e4 Bd7 19. e5 Bb5 20. Nc4 Nxc4 21. Bxc4 Bxc4 22. Rxc4 cxd4 23. Rcxd4 Qe6 24. b3 Rc7 25. f4 f6 26. Bg3 fxe5 27. fxe5 Bh6 28. Rd8 Rc8 29. Rxf8+ Rxf8 30. Qc4 Qxc4 31. bxc4 Be3+ 32. Kh2 g5 33. h4 g4 34. Re1 Bc5 35. Re4 h5 36. e6 Rf5 37. Re5 Rxe5 38. Bxe5 Bf2 39. g3 Bc5 40. Kg2 Kh7 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.28"]
[Round "5"]
[White "Byrne, Donald"]
[Black "Pilnik, Herman"]
[Result "1/2-1/2"]
[ECO "A41"]
[EventDate "1962.03.22"]
[PlyCount "247"]

1. c4 e5 2. Nc3 d6 3. g3 g6 4. d4 Nd7 5. Nf3 Bg7 6. Bg5 f6 7. Bc1 Nh6 8. Bg2 Nf7 9. e4 c6 10. O-O O-O 11. d5 c5 12. Qd3 Nb6 13. a3 a5 14. h4 Bd7 15. Rb1 Qc8 16. Be3 f5 17. Nd2 f4 18. gxf4 exf4 19. Bxf4 Ne5 20. Bxe5 Bxe5 21. Ne2 Bg4 22. f3 Bh5 23. Kf2 Qd8 24. Rh1 Qf6 25. Ke1 Na4 26. b3 Nc3 27. Nxc3 Bxc3 28. Ke2 Rf7 29. Rbf1 Raf8 30. Nb1 Be5 31. a4 Kh8 32. Qd2 Qd8 33. Nc3 Rf4 34. Qe3 Bd4 35. Qd3 Rxh4 36. Rxh4 Qxh4 37. Nb5 Be5 38. Kd2 Qg3 39. Qe2 Rf7 40. Qf2 Qf4+ 41. Kc2 b6 42. Kd3 g5 43. Qe3 Qf6 44. Ke2 Re7 45. Kd3 Bf4 46. Qe1 Be8 47. Nc3 Bd7 48. Ne2 Be5 49. Qf2 Rf7 50. Qg1 Qg7 51. Qh1 Rf6 52. Qg1 Rh6 53. Qf2 Rh2 54. Rh1 Rxh1 55. Bxh1 Qf6 56. Bg2 h5 57. Qf1 Kg7 58. Qh1 Kg6 59. Qf1 Bc8 60. Bh3 g4 61. fxg4 hxg4 62. Qxf6+ Kxf6 63. Bg2 Kg5 64. Kd2 Bd7 65. Ke3 Bd4+ 66. Kd2 Be8 67. Kd3 Bg6 68. Kd2 Bf2 69. Kd3 Bd4 70. Bh1 Be5 71. Bg2 Bh2 72. Ke3 Bh5 73. Bh1 Bf7 74. Bg2 Bh5 75. Bh1 Kf6 76. Bg2 Be5 77. Bh1 Be8 78. Bg2 Bd7 79. Bh1 Kg6 80. Bg2 Kh5 81. Kd3 Kh4 82. Kd2 g3 83. Ke1 Bg4 84. Kf1 Bd4 85. Ke1 Be3 86. Nc3 Kg5 87. Ne2 Bf2+ 88. Kf1 Kf6 89. Bh1 Ke5 90. Bg2 Bh5 91. Bh1 Bg4 92. Bg2 Bd7 93. Bf3 Bh3+ 94. Bg2 Bg4 95. Bh1 Bh5 96. Bg2 Bg6 97. Nc3 Bd4 98. Ne2 Bxe4 99. Bxe4 Kxe4 100. Nxg3+ Kd3 101. Nf5 Be5 102. Ne7 Kc3 103. Nc8 Kxb3 104. Nxb6 Bf6 105. Ke2 Bd8 106. Nc8 Kxa4 107. Nxd6 Kb4 108. Ne4 Kxc4 109. d6 Kd4 110. Nf2 Kd5 111. d7 Kc4 112. Ne4 Kd5 113. Ke3 c4 114. Nc3+ Kc5 115. Kd2 Kb4 116. Kc2 a4 117. Ne2 a3 118. Nd4 c3 119. Nc6+ Kc4 120. Ne5+ Kb4 121. Nd3+ Kc4 122. Ne5+ Kb4 123. Nd3+ Ka4 124. Nc5+ 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.28"]
[Round "5"]
[White "Eliskases, Erich"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[ECO "E66"]
[EventDate "1962.03.22"]
[PlyCount "114"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 c5 7. d4 Nc6 8. d5 Na5 9. Nd2 a6 10. Qc2 e5 11. b3 Ne8 12. e4 f5 13. exf5 gxf5 14. Bb2 Rb8 15. Ne2 b5 16. Bc3 Nb7 17. f4 Qe7 18. Rfe1 e4 19. Nf1 b4 20. Bxg7 Qxg7 21. Ne3 Nf6 22. Kh1 h5 23. Ng1 Nd8 24. Bf1 Nf7 25. Rad1 Bd7 26. Rd2 Ra8 27. h4 Ng4 28. Nh3 a5 29. Nf2 Nfh6 30. Nfxg4 Nxg4 31. Nxg4 Qxg4 32. Kh2 a4 33. Be2 Qg6 34. Rb1 Kh7 35. Qd1 Rg8 36. Qg1 axb3 37. axb3 Ra3 38. Qe3 Kh6 39. Kg2 Qf6 40. Kf2 Rga8 41. Rc1 Be8 42. Rb1 Kg7 43. Rc1 Kf8 44. Rb1 Ke7 45. Rc1 Kd8 46. Rb1 Kc7 47. Rc1 Kb6 48. Rb1 Ra1 49. Rxa1 Rxa1 50. Rd1 Ra2 51. Rd2 Ra3 52. Bd1 Ba4 53. Bc2 Qc3 54. Qxc3 bxc3 55. Rd1 Ra2 56. bxa4 Rxc2+ 57. Ke3 Rg2 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.28"]
[Round "5"]
[White "Guimard, Carlos Enrique"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "A38"]
[EventDate "1962.03.22"]
[PlyCount "52"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O Nc6 7. d3 d6 8. Bd2 h6 9. h3 Rb8 10. Nd5 Ne8 11. Bc3 e5 12. Rb1 Nc7 13. Nxc7 Qxc7 14. Ne1 f5 15. Nc2 f4 16. b4 Nd4 17. Nxd4 exd4 18. Bd2 g5 19. Bd5+ Kh8 20. g4 Be5 21. f3 Kg7 22. Kf2 Rh8 23. Rh1 h5 24. bxc5 dxc5 25. Qa4 b6 26. Rbg1 Bd7 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.28"]
[Round "5"]
[White "Letelier Martner, Rene"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "E70"]
[EventDate "1962.03.22"]
[PlyCount "114"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bd3 O-O 6. Nge2 e5 7. d5 c6 8. O-O cxd5 9. cxd5 Nbd7 10. h3 Nc5 11. Bc2 a5 12. Be3 Bd7 13. a3 a4 14. Nc1 Qa5 15. Qd2 Nh5 16. N1e2 f5 17. f3 f4 18. Bf2 g5 19. Rfb1 Nf6 20. b4 axb3 21. Bxb3 h5 22. Kh1 g4 23. Ng1 Rfc8 24. Be1 Bf8 25. Bd1 Qd8 26. a4 Qe8 27. a5 Qg6 28. Be2 Be7 29. Bb5 Bd8 30. Bxd7 Nfxd7 31. Nb5 b6 32. a6 Rxa6 33. Na7 Rxa1 34. Rxa1 Ra8 35. Qc3 Bf6 36. Nb5 Rxa1 37. Qxa1 gxf3 38. gxf3 Nxe4 39. fxe4 Qxe4+ 40. Kh2 Qc2+ 41. Kh1 Qe4+ 42. Kh2 Qc2+ 43. Kh1 f3 44. Qa8+ Nf8 45. Nxf3 Qe2 46. Qa3 Qf1+ 47. Ng1 Qxe1 48. Qf3 Be7 49. Qxh5 Qc1 50. Qe8 Qg5 51. Qc6 Qg6 52. Kh2 Bg5 53. Nxd6 Be3 54. Ne2 Bc5 55. Nb7 Qd3 56. Ng3 Qd2+ 57. Kh1 Qe1+ 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.28"]
[Round "5"]
[White "Pachman, Ludek"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[ECO "A17"]
[EventDate "1962.03.22"]
[PlyCount "39"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. a3 Ba5 6. g3 O-O 7. Bg2 d5 8. O-O Nc6 9. d3 Bxc3 10. Qxc3 d4 11. Qc2 e5 12. Bd2 a5 13. b4 axb4 14. axb4 Rxa1 15. Rxa1 cxb4 16. Rb1 Qe7 17. Qb2 b3 18. Qxb3 e4 19. Ne1 Re8 20. Bb4 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.28"]
[Round "5"]
[White "Parma, Bruno"]
[Black "Penrose, Jonathan"]
[Result "1/2-1/2"]
[ECO "B48"]
[EventDate "1962.03.22"]
[PlyCount "58"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. a3 b5 8. Nxc6 dxc6 9. a4 Bb7 10. Bd3 Nf6 11. O-O Be7 12. f4 b4 13. Nb1 c5 14. Nd2 c4 15. Nxc4 Bxe4 16. Bxe4 Nxe4 17. Qd3 Nc5 18. Qe2 O-O 19. f5 exf5 20. Rxf5 g6 21. Rff1 Rfe8 22. Qf3 Bf8 23. Kh1 Ne4 24. b3 Bg7 25. Rad1 f5 26. Bf4 Qb7 27. Rd3 Rad8 28. Be3 Qe7 29. Bg1 Qh4 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.28"]
[Round "5"]
[White "Rossetto, Hector Decio"]
[Black "Sanguineti, Raul"]
[Result "1-0"]
[ECO "B56"]
[EventDate "1962.03.22"]
[PlyCount "61"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 Bg4 7. f3 Bd7 8. Be3 e6 9. Qd2 a6 10. O-O-O b5 11. g4 h6 12. g5 hxg5 13. Nxc6 Bxc6 14. Bxg5 Qa5 15. Kb1 Be7 16. Rg1 Rc8 17. Bf4 b4 18. Ne2 e5 19. Be3 d5 20. Rxg7 dxe4 21. Ng3 Rd8 22. Qe1 Rxd1+ 23. Qxd1 Bd5 24. b3 exf3 25. Qd2 Be6 26. a4 Qd5 27. Bd3 Ng4 28. Rxg4 f2 29. Bxf2 Rxh2 30. Rg8+ Kd7 31. Qe3 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.29"]
[Round "6"]
[White "Najdorf, Miguel"]
[Black "Eliskases, Erich"]
[Result "1/2-1/2"]
[ECO "E55"]
[EventDate "1962.03.22"]
[PlyCount "40"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O dxc4 8. Bxc4 b6 9. Qe2 Bb7 10. Rd1 cxd4 11. exd4 Nbd7 12. Bd2 Rc8 13. Bd3 Bxc3 14. bxc3 Qc7 15. c4 Rfe8 16. Ne5 Nxe5 17. dxe5 Qc6 18. f3 Nd7 19. Bf4 Nf8 20. Rac1 Ba6 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.29"]
[Round "6"]
[White "Panno, Oscar"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[ECO "A07"]
[EventDate "1962.03.22"]
[PlyCount "47"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. c4 c6 6. Qa4 Nd7 7. cxd5 cxd5 8. Nc3 Ne7 9. d3 O-O 10. Bg5 Nb6 11. Qa3 f6 12. Bd2 Be6 13. Rfc1 Qd7 14. Nb5 Nc6 15. Bb4 Rfc8 16. Bc5 Bf8 17. Bxf8 Rxf8 18. Nd2 Nc8 19. Nb3 b6 20. Rc2 Rd8 21. Rac1 N8e7 22. Nc3 Rac8 23. Qa4 Kg7 24. Nb1 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.29"]
[Round "6"]
[White "Parma, Bruno"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "B77"]
[EventDate "1962.03.22"]
[PlyCount "51"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. Bc4 a5 10. a4 Bd7 11. Bb3 Qc8 12. h4 Nxd4 13. Bxd4 Be6 14. Nd5 Bxd5 15. exd5 h5 16. O-O-O Qd7 17. Qe2 Rfc8 18. Rhe1 Bf8 19. Kb1 Qf5 20. Rg1 Rab8 21. Bb6 Ra8 22. Bd4 Rab8 23. Bb6 Ra8 24. Rge1 Qf4 25. Qf2 Nd7 26. Bd4 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.29"]
[Round "6"]
[White "Penrose, Jonathan"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[ECO "B27"]
[EventDate "1962.03.22"]
[PlyCount "55"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. exd5 Nf6 7. Bb5+ Nbd7 8. Nc3 O-O 9. O-O Nb6 10. Bf4 Nfxd5 11. Be5 Nxc3 12. bxc3 Be6 13. Re1 Rc8 14. Qd2 Bc4 15. Rab1 f6 16. Bg3 Qd5 17. Bxc4 Nxc4 18. Qe2 Rfe8 19. Nd2 Nxd2 20. Qxd2 Rc4 21. Qb2 b6 22. Qa3 Qd7 23. Rb4 Rxb4 24. Qxb4 Bf8 25. Qb3+ e6 26. h4 Kf7 27. Rd1 Rd8 28. a4 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.29"]
[Round "6"]
[White "Pilnik, Herman"]
[Black "Rossetto, Hector Decio"]
[Result "1/2-1/2"]
[ECO "C90"]
[EventDate "1962.03.22"]
[PlyCount "122"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d3 O-O 8. Re1 d6 9. c3 Na5 10. Bc2 c5 11. Nbd2 Re8 12. Nf1 g6 13. Ng3 Qc7 14. h3 Be6 15. Bh6 Bf8 16. Qd2 Kh8 17. Bxf8 Rxf8 18. d4 cxd4 19. cxd4 Rac8 20. Bd3 Nc4 21. Bxc4 bxc4 22. Qc3 Kg8 23. dxe5 dxe5 24. Nxe5 Nd7 25. Nxd7 Qxd7 26. Rad1 Qa4 27. f4 Rfd8 28. Rxd8+ Rxd8 29. f5 Rd3 30. Qe5 Qb4 31. Rf1 Bd7 32. Kh2 Rd2 33. f6 Qxb2 34. Qxb2 Rxb2 35. Rd1 Rb7 36. Rd4 Rc7 37. Ne2 h6 38. Nc3 Be6 39. Rd6 a5 40. Kg3 g5 41. Kf3 Kh7 42. Ke3 Kg6 43. Kd4 Rc8 44. Ra6 Kxf6 45. Rxa5 Kg6 46. a4 g4 47. hxg4 Rd8+ 48. Nd5 Kg5 49. Rc5 Kxg4 50. Rxc4 Kg3 51. Rc2 Ra8 52. Ra2 Ra5 53. Ra3+ Kxg2 54. Nf4+ Kf2 55. Nxe6 fxe6 56. e5 h5 57. Ke4 Kg2 58. Kf4 Kh2 59. Ra2+ Kh3 60. Ra1 Kg2 61. Ra3 Kh2 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.29"]
[Round "6"]
[White "Polugaevsky, Lev"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]
[ECO "D71"]
[EventDate "1962.03.22"]
[PlyCount "67"]

1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. Nf3 g6 5. g3 Bg7 6. Bg2 Nc6 7. O-O Nb6 8. e3 e5 9. dxe5 Qxd1 10. Rxd1 Nxe5 11. Nd4 c5 12. Nb5 O-O 13. h3 Bd7 14. N1c3 Bc6 15. e4 a6 16. Nc7 Rad8 17. N7d5 Bxd5 18. exd5 Nbc4 19. Rb1 b5 20. Ne4 Nd7 21. b3 Na5 22. Bg5 f6 23. Bf4 Nb7 24. Bc7 Rde8 25. Rbc1 Bh6 26. Rc2 f5 27. Nc3 f4 28. gxf4 Bxf4 29. d6 Nd8 30. Nd5 Bg5 31. Nb6 Ne5 32. d7 Re7 33. Bd6 Rxd7 34. Bd5+ 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.29"]
[Round "6"]
[White "Sanguineti, Raul"]
[Black "Bielicki, Carlos"]
[Result "1-0"]
[ECO "E59"]
[EventDate "1962.03.22"]
[PlyCount "79"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Bb5 Rd8 12. Qc2 Na5 13. Qb1 b6 14. e4 Bb7 15. Bd3 Nd7 16. Bg5 Re8 17. Bh4 f6 18. Bg3 Qc8 19. Re1 Ba6 20. Bc2 Bb7 21. Qa2 Kh8 22. Rad1 Nf8 23. Bd3 Ba6 24. Bd6 Bxd3 25. Rxd3 cxd4 26. cxd4 Qc4 27. Qd2 Rac8 28. Bb4 Nb7 29. h4 Nd7 30. h5 a5 31. Bc3 h6 32. Nh4 Nf8 33. Rg3 Rcd8 34. d5 e5 35. Rxg7 Kxg7 36. Nf5+ Kg8 37. Qxh6 Rd7 38. Re3 Nh7 39. Rg3+ Ng5 40. Qxf6 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.29"]
[Round "6"]
[White "Smyslov, Vassily"]
[Black "Guimard, Carlos Enrique"]
[Result "1-0"]
[ECO "C26"]
[EventDate "1962.03.22"]
[PlyCount "63"]

1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Nd7 7. Nf3 Be7 8. O-O O-O 9. Re1 Bf6 10. Bb2 Re8 11. d4 exd4 12. cxd4 Rxe1+ 13. Qxe1 Nb6 14. Ne5 c6 15. a4 Be6 16. a5 Nc4 17. Nxc4 Bxc4 18. Qb4 Bd5 19. Bf1 c5 20. dxc5 Bc6 21. Bg2 Bxg2 22. Kxg2 Qd5+ 23. Kg1 Bxb2 24. Qxb2 Re8 25. Qb5 Re6 26. a6 b6 27. Rb1 h5 28. cxb6 Re1+ 29. Rxe1 Qxb5 30. bxa7 Qc6 31. Rb1 Kh7 32. Rb8 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.30"]
[Round "7"]
[White "Bielicki, Carlos"]
[Black "Pilnik, Herman"]
[Result "0-1"]
[ECO "E93"]
[EventDate "1962.03.22"]
[PlyCount "116"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e4 d6 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5 11. Nd2 Nf4 12. O-O Na6 13. Bg4 Nc5 14. f3 c6 15. Qc2 a4 16. Rfd1 Qa5 17. Nf1 a3 18. Rab1 axb2 19. Rxb2 f5 20. Bxf5 Bxf5 21. exf5 e4 22. Bxf4 gxf4 23. Nxe4 Nxe4 24. fxe4 Bxb2 25. Qxb2 Qa7+ 26. Qf2 Qxf2+ 27. Kxf2 Rxa2+ 28. Kf3 c5 29. Kxf4 Rxg2 30. Ne3 Rf2+ 31. Kg3 Rb2 32. Kf3 Kf7 33. e5 dxe5 34. Ng4 Ke8 35. Ke4 Re2+ 36. Ne3 Rf7 37. Rg1 Rd2 38. Rg8+ Kd7 39. Rg6 Rxh2 40. Rb6 Kc7 41. Rg6 Re2 42. f6 Kd6 43. Rxh6 b5 44. cxb5 c4 45. Kf3 Re1 46. Nxc4+ Kxd5 47. Nd2 Ra1 48. Kg4 Ra4+ 49. Kf3 Rb7 50. Rh8 Rf4+ 51. Ke3 Rxb5 52. Rd8+ Ke6 53. Rd3 Rbb4 54. f7 Kxf7 55. Rd6 Rh4 56. Rd7+ Ke6 57. Rd8 Rh3+ 58. Ke2 Rd4 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.30"]
[Round "7"]
[White "Byrne, Donald"]
[Black "Penrose, Jonathan"]
[Result "1/2-1/2"]
[ECO "A26"]
[EventDate "1962.03.22"]
[PlyCount "85"]

1. c4 g6 2. Nc3 Bg7 3. g3 d6 4. Bg2 e5 5. e4 Ne7 6. Nge2 Nbc6 7. d3 O-O 8. O-O f5 9. Nd5 h6 10. Nxe7+ Qxe7 11. Be3 Kh7 12. Qd2 Be6 13. exf5 Bxf5 14. h3 Rae8 15. Rae1 Qd7 16. Kh2 Be6 17. Nc3 a6 18. f4 exf4 19. Bxf4 Nd4 20. Ne2 Nf5 21. Qc1 d5 22. Nc3 dxc4 23. dxc4 Bxc4 24. Rxe8 Rxe8 25. Rd1 Qf7 26. b3 Be6 27. Ne4 Re7 28. Nc5 c6 29. Nxe6 Qxe6 30. Qc5 Rd7 31. Rf1 Nd4 32. h4 Qe2 33. Qa5 Rf7 34. Kh1 Qb5 35. Qe1 Qe2 36. Qa5 Nf5 37. Qe1 Re7 38. Qxe2 Rxe2 39. a4 Rb2 40. h5 Rxb3 41. hxg6+ Kg8 42. Rd1 Bf6 43. Rd7 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.30"]
[Round "7"]
[White "Eliskases, Erich"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]
[ECO "A20"]
[EventDate "1962.03.22"]
[PlyCount "78"]

1. c4 e5 2. Nf3 Nc6 3. d4 e4 4. d5 exf3 5. dxc6 fxg2 6. cxd7+ Qxd7 7. Qxd7+ Bxd7 8. Bxg2 O-O-O 9. O-O Nf6 10. Nc3 Be6 11. b3 Bb4 12. Na4 Rhe8 13. Be3 b6 14. Rfd1 Bd7 15. Bf3 Ne4 16. a3 Bf8 17. Nb2 f5 18. Nd3 g5 19. Bd4 Ba4 20. Nc1 g4 21. Bxe4 Rxe4 22. e3 c5 23. bxa4 cxd4 24. exd4 Rexd4 25. Rxd4 Rxd4 26. Nb3 Rxc4 27. a5 bxa5 28. Nxa5 Rc3 29. Re1 Bxa3 30. Re8+ Kc7 31. Rh8 Bb4 32. Rxh7+ Kb6 33. Rb7+ Kxa5 34. Rxa7+ Kb6 35. Rf7 Rf3 36. Kg2 Bc5 37. h3 Rxf2+ 38. Kg3 gxh3 39. Kxh3 Bd6 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.30"]
[Round "7"]
[White "Guimard, Carlos Enrique"]
[Black "Sanguineti, Raul"]
[Result "0-1"]
[ECO "E64"]
[EventDate "1962.03.22"]
[PlyCount "70"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. g3 c5 6. d5 d6 7. Bg2 Na6 8. O-O Nc7 9. Ne1 b5 10. cxb5 Rb8 11. a4 a6 12. bxa6 Bxa6 13. Nc2 Nd7 14. Re1 Ne5 15. Na3 Qd7 16. f4 Nc4 17. Nxc4 Bxc4 18. Ra3 Rb4 19. e4 Bd4+ 20. Be3 Bxe3+ 21. Rxe3 Rxb2 22. f5 Rfb8 23. g4 Qd8 24. Ra1 Qf8 25. Qf3 Qh6 26. Qg3 f6 27. g5 fxg5 28. f6 e5 29. dxe6 Nxe6 30. Bf1 Bxf1 31. Rxf1 Nf4 32. f7+ Kf8 33. Ref3 Rg2+ 34. Qxg2 Nxg2 35. Kxg2 g4 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.30"]
[Round "7"]
[White "Letelier Martner, Rene"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "A24"]
[EventDate "1962.03.22"]
[PlyCount "105"]

1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. e3 Nf6 5. Ne2 O-O 6. O-O e5 7. Nbc3 Nbd7 8. b3 Re8 9. Bb2 c6 10. Qc2 Qe7 11. Rad1 h5 12. h3 Nf8 13. d3 N8h7 14. Kh2 Rb8 15. a4 a5 16. Ba3 Bf8 17. Rd2 Qc7 18. Qd1 Ra8 19. e4 h4 20. Ra2 Ng5 21. Bc1 Ne6 22. Be3 Qe7 23. Qd2 Nh5 24. g4 Nhf4 25. Rd1 Bg7 26. d4 exd4 27. Nxd4 Nxd4 28. Bxd4 Be5 29. Bxe5 dxe5 30. Ne2 Ne6 31. Qe3 Qg5 32. Qxg5 Nxg5 33. f4 exf4 34. Nxf4 Kf8 35. Rf2 Ke7 36. Rfd2 Ne6 37. Nxe6 Bxe6 38. Kg1 f6 39. Kf2 Rad8 40. Rxd8 Rxd8 41. Rxd8 Kxd8 42. Ke3 Ke7 43. Kd4 b6 44. e5 c5+ 45. Ke4 Bc8 46. exf6+ Kxf6 47. Kf4 g5+ 48. Ke3 Ke5 49. Bc6 Be6 50. Be4 Bg8 51. Bf5 Bf7 52. Bh7 Be8 53. Be4 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.30"]
[Round "7"]
[White "Pachman, Ludek"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[ECO "D94"]
[EventDate "1962.03.22"]
[PlyCount "40"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Be2 O-O 7. O-O e6 8. b3 Re8 9. Qc2 Nbd7 10. Ba3 b6 11. Rac1 Bb7 12. Rfd1 Qb8 13. Nd2 a6 14. Nf3 dxc4 15. Bxc4 c5 16. Be2 Rc8 17. Qb1 cxd4 18. Nxd4 b5 19. Bb2 Nb6 20. a3 Nbd5 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.30"]
[Round "7"]
[White "Rossetto, Hector Decio"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "A48"]
[EventDate "1962.03.22"]
[PlyCount "110"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. e4 d6 6. Be2 c5 7. c3 h6 8. Bh4 cxd4 9. Nxd4 Nc6 10. O-O d5 11. Nxc6 bxc6 12. Bf3 Rb8 13. exd5 cxd5 14. Nb3 e6 15. Bg3 Rb6 16. Qd2 Ba6 17. Rfe1 Ne8 18. Bf4 Nd6 19. Be3 Nc4 20. Bxb6 Nxd2 21. Bxd8 Nxf3+ 22. gxf3 Rxd8 23. Nc5 Bb5 24. a4 Bc6 25. Kg2 Rb8 26. Re2 d4 27. cxd4 Bxd4 28. Nd3 Rb3 29. Rd2 e5 30. Rc1 Bxa4 31. Nc5 Rb4 32. Nxa4 Rxa4 33. f4 Rb4 34. fxe5 Bxe5 35. Rcc2 Kg7 36. h3 Rb7 37. Re2 Bf6 38. Red2 Rb3 39. Rd7 Rxb2 40. Rxb2 Bxb2 41. Rxa7 Bd4 42. Rd7 Bc5 43. Kf3 g5 44. Rc7 Bd4 45. Rc4 Bb2 46. Ke4 Kg6 47. Rc2 Ba1 48. Rc8 Kh5 49. Rc6 f6 50. Kf3 Be5 51. Rc4 Bb2 52. Rg4 Kg6 53. Rb4 Be5 54. Ke4 Bd6 55. Ra4 Bc7 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.30"]
[Round "7"]
[White "Szabo, Laszlo"]
[Black "Najdorf, Miguel"]
[Result "1-0"]
[ECO "E82"]
[EventDate "1962.03.22"]
[PlyCount "75"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 a6 8. Qd2 c5 9. d5 e6 10. dxe6 Bxe6 11. Bh6 Bxh6 12. Qxh6 Nbd7 13. Nh3 Ne5 14. O-O-O b5 15. Ng5 Qe7 16. Be2 b4 17. Nd5 Bxd5 18. Rxd5 Rfd8 19. Rhd1 Nc6 20. f4 Nd4 21. Bf3 Qf8 22. Qxf8+ Kxf8 23. R5xd4 cxd4 24. e5 dxe5 25. fxe5 Rdc8 26. exf6 Rxc4+ 27. Kd2 Rc5 28. Ne4 Ra5 29. Kd3 Rxa2 30. Rb1 a5 31. Rc1 Rxb2 32. Rc7 Rb3+ 33. Kd2 Rb2+ 34. Kd1 d3 35. Ng5 Kg8 36. Rxf7 Ra6 37. Rg7+ Kf8 38. Nxh7+ 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.31"]
[Round "8"]
[White "Byrne, Donald"]
[Black "Rossetto, Hector Decio"]
[Result "0-1"]
[ECO "D11"]
[EventDate "1962.03.22"]
[PlyCount "70"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 c6 5. b3 e6 6. O-O Nbd7 7. Bb2 Be7 8. Nc3 O-O 9. d4 h6 10. Nd2 Qa5 11. a3 Rfd8 12. b4 Qc7 13. Qb3 Nb6 14. cxd5 cxd5 15. Rac1 Qd7 16. Nf3 Rac8 17. Ne5 Qe8 18. Rfd1 Bd6 19. f4 Rc7 20. a4 a6 21. e3 Rdc8 22. b5 a5 23. h3 h5 24. Kh2 Qe7 25. Bf3 Bb4 26. Bg2 Ne8 27. e4 Bxc3 28. exf5 Bxb2 29. Rxc7 Qxc7 30. Qxb2 exf5 31. Qe2 Nf6 32. Bf3 Nxa4 33. Ra1 Nc3 34. Qd3 Nce4 35. Ra2 Qc1 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.31"]
[Round "8"]
[White "Panno, Oscar"]
[Black "Eliskases, Erich"]
[Result "1/2-1/2"]
[ECO "E55"]
[EventDate "1962.03.22"]
[PlyCount "44"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O dxc4 8. Bxc4 b6 9. Qe2 Bb7 10. Rd1 cxd4 11. exd4 Nbd7 12. d5 exd5 13. Nxd5 Re8 14. Be3 Nxd5 15. Bxd5 Bxd5 16. Rxd5 Qc7 17. Qb5 Nf6 18. Rdd1 Bf8 19. Rac1 Qb7 20. Bd4 Ne4 21. a4 Re6 22. Be3 Rd6 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.31"]
[Round "8"]
[White "Parma, Bruno"]
[Black "Bielicki, Carlos"]
[Result "1-0"]
[ECO "B88"]
[EventDate "1962.03.22"]
[PlyCount "39"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Bb3 Be7 8. Be3 O-O 9. O-O Na5 10. f4 b6 11. e5 Ne8 12. f5 dxe5 13. fxe6 f6 14. Nf5 Nxb3 15. Nd5 Bxe6 16. Nfxe7+ Kh8 17. axb3 Rf7 18. Qf3 f5 19. Bg5 Nf6 20. Rad1 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.31"]
[Round "8"]
[White "Penrose, Jonathan"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "B82"]
[EventDate "1962.03.22"]
[PlyCount "152"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. Bd3 e6 8. a4 b6 9. O-O Bb7 10. Qf3 Nbd7 11. Kh1 Be7 12. Bd2 Nc5 13. b4 Nxd3 14. cxd3 O-O 15. Rac1 Qd7 16. Qf2 Rfc8 17. h3 b5 18. axb5 axb5 19. e5 Nd5 20. f5 Bf8 21. fxe6 fxe6 22. Nxd5 Bxd5 23. Rxc8 Rxc8 24. Nxb5 dxe5 25. Nc3 Bb7 26. Ne4 h6 27. Be1 Qxd3 28. Nc5 Bxc5 29. bxc5 Rxc5 30. Kg1 Qe4 31. Qg3 Rc2 32. Bf2 Bd5 33. Re1 Qf4 34. Qe3 Ra2 35. Re2 Ra1+ 36. Be1 Qd4 37. Kh2 Kh7 38. Bc3 Qxe3 39. Rxe3 Ra2 40. Rg3 Re2 41. h4 Kg8 42. Ba5 Kf7 43. Bb6 Rc2 44. Kh3 Be4 45. Kh2 Bf5 46. Ra3 Rc4 47. Bf2 Kf6 48. Re3 e4 49. Rg3 Bg6 50. Be3 Bh5 51. Kh3 Rc2 52. Bb6 Be2 53. Bd4+ e5 54. Bb6 Ba6 55. Kh2 Bb7 56. Be3 Rc7 57. Kg1 Ba6 58. Kh2 Bd3 59. Bb6 Rf7 60. Be3 Ke6 61. Rg6+ Kd5 62. Kh3 Be2 63. Kh2 Kc4 64. Rg3 Bd3 65. Bb6 Kb3 66. Re3 Rf6 67. Bc5 Rc6 68. Ba7 Ra6 69. Bc5 Kc4 70. Bf8 Kd4 71. Re1 Rg6 72. Kh3 e3 73. g4 e2 74. Bb4 Rf6 75. Kg3 Rf1 76. Ba5 Kc4 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.31"]
[Round "8"]
[White "Pilnik, Herman"]
[Black "Guimard, Carlos Enrique"]
[Result "0-1"]
[ECO "C41"]
[EventDate "1962.03.22"]
[PlyCount "81"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 c6 8. Qe2 Qc7 9. h3 exd4 10. Nxd4 Re8 11. Bf4 Bf8 12. Rfe1 Qb6 13. Qd2 Ne5 14. Bf1 a5 15. Bg5 Bxh3 16. Bxf6 gxf6 17. Re3 Bd7 18. Rg3+ Kh8 19. Nf5 Bxf5 20. exf5 d5 21. Be2 Be7 22. Ra3 Rg8 23. Rb3 Qa7 24. Rh3 Rg7 25. Nd1 Rag8 26. Rh2 Nd7 27. Qf4 Qb8 28. Qh4 Bd6 29. g3 Bc5 30. Kf1 Re8 31. f4 Re4 32. Bf3 Rxa4 33. Rd3 Ne5 34. Qxf6 Nxd3 35. cxd3 Bd4 36. Qh6 f6 37. Re2 Rxg3 38. Re7 Qg8 39. Ke2 Rg7 40. Re6 Qf8 41. Qh5 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.31"]
[Round "8"]
[White "Polugaevsky, Lev"]
[Black "Szabo, Laszlo"]
[Result "1-0"]
[ECO "E83"]
[EventDate "1962.03.22"]
[PlyCount "107"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Bd7 9. Nc1 e5 10. d5 Nd4 11. Nb3 Nxb3 12. axb3 Ne8 13. b4 f5 14. c5 Nf6 15. Bd3 fxe4 16. Nxe4 Nxe4 17. Bxe4 Qh4+ 18. Qf2 Qxf2+ 19. Kxf2 Bf5 20. Ke2 Bxe4 21. fxe4 h5 22. Rhc1 Rf7 23. c6 bxc6 24. Rxc6 Rb8 25. Rc4 Kh7 26. Rxa6 Bh6 27. Ba7 Rb7 28. Bg1 Bg5 29. Ra7 Rb8 30. Rcxc7 Rxc7 31. Rxc7+ Kg8 32. Rc4 Kf7 33. Kd3 Ke8 34. Kc3 Kd7 35. Rc6 Bd8 36. Kc4 Ra8 37. Be3 Ra2 38. Kc3 Ra1 39. b5 Re1 40. Kd3 Rd1+ 41. Ke2 Rb1 42. Rc2 Ra1 43. b6 Ra4 44. Kd3 Rb4 45. Kc3 Rxe4 46. Bf2 Rg4 47. Kb3 Rxg2 48. b7 Bc7 49. Ba7 Rxc2 50. Kxc2 g5 51. b4 g4 52. b5 h4 53. b6 Bb8 54. Bxb8 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.31"]
[Round "8"]
[White "Sanguineti, Raul"]
[Black "Pachman, Ludek"]
[Result "1-0"]
[ECO "B11"]
[EventDate "1962.03.22"]
[PlyCount "81"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Be2 Bg4 7. O-O Nd7 8. Ne1 Bxe2 9. Qxe2 e6 10. d4 Qc7 11. Nd3 Bd6 12. Qh5 Nf8 13. Bh6 Rg8 14. Bxf8 Rxf8 15. Qxh7 O-O-O 16. f4 c5 17. dxc5 Rh8 18. Qe4 Bxc5+ 19. Kh1 f5 20. Qe5 Bd6 21. Qe3 Kb8 22. c3 Qe7 23. Rf3 Rc8 24. Ne5 Bc5 25. Qe2 Ka8 26. Rd1 Rcd8 27. Rxd8+ Rxd8 28. Rd3 Rh8 29. g3 Rd8 30. Nxf7 Rxd3 31. Qxd3 Bb6 32. Ne5 Qc5 33. Qd4 Qb5 34. Qc4 Qe8 35. Kg2 a6 36. a4 Ka7 37. b3 Qe7 38. b4 a5 39. Qb5 axb4 40. cxb4 Bd4 41. Qd7 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.03.31"]
[Round "8"]
[White "Smyslov, Vassily"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]
[ECO "B92"]
[EventDate "1962.03.22"]
[PlyCount "57"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O Be6 9. f4 Qc7 10. Qd3 exf4 11. Bxf4 Nc6 12. Qg3 O-O 13. Rad1 Rad8 14. Kh1 Kh8 15. Nd5 Bxd5 16. exd5 Ne5 17. Nd4 Ng6 18. Nf5 Rfe8 19. Be3 Bf8 20. c4 Rd7 21. Bd3 Ne4 22. Qh3 Kg8 23. Bd4 Nc5 24. Bb1 Rdd8 25. Qh5 Nd7 26. Bxg7 Bxg7 27. Nxg7 Re5 28. Nf5 Nf6 29. Qg5 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.04"]
[Round "9"]
[White "Bielicki, Carlos"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "D80"]
[EventDate "1962.03.22"]
[PlyCount "81"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. Bf4 Nxc3 7. bxc3 O-O 8. e3 c5 9. Be5 Qa5 10. Qd2 cxd4 11. cxd4 Qxd2+ 12. Kxd2 Bxe5 13. Nxe5 Be6 14. Rc1 Nc6 15. Nxc6 bxc6 16. c5 Rab8 17. Bd3 Rb2+ 18. Rc2 Rb4 19. Rhc1 Rfb8 20. Rc3 Ra4 21. Ra1 Bf5 22. Bxf5 gxf5 23. Kc2 Rb5 24. f4 f6 25. a3 e5 26. fxe5 fxe5 27. Rf1 exd4 28. exd4 Rxd4 29. Rxf5 Rg4 30. g3 Kg7 31. Re5 Kf6 32. Re8 Re4 33. Rc8 Ke5 34. Rxc6 Re2+ 35. Kd3 Rbb2 36. Rc1 Rbd2+ 37. Kc3 Ra2 38. Kb3 Rab2+ 39. Kc3 Ra2 40. Kb3 Rab2+ 41. Kc3 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.04"]
[Round "9"]
[White "Eliskases, Erich"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[ECO "A29"]
[EventDate "1962.03.22"]
[PlyCount "61"]

1. c4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 Bb4 5. Bg2 O-O 6. O-O e4 7. Ng5 Bxc3 8. dxc3 Re8 9. Nh3 Ne5 10. b3 d6 11. Bg5 Neg4 12. f3 exf3 13. exf3 Ne3 14. Bxe3 Bxh3 15. Qd2 Bxg2 16. Kxg2 Re6 17. Rae1 Qe7 18. Bf2 Re8 19. Rxe6 fxe6 20. Re1 e5 21. g4 Qf7 22. Bh4 Nd7 23. Qd5 Nc5 24. Qxf7+ Kxf7 25. Bg5 e4 26. Be3 exf3+ 27. Kxf3 Nd3 28. Rf1 Ne5+ 29. Kg3+ Ke6 30. c5 Nd7 31. Bd4 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.04"]
[Round "9"]
[White "Guimard, Carlos Enrique"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "D05"]
[EventDate "1962.03.22"]
[PlyCount "42"]

1. d4 Nf6 2. Nf3 e6 3. Nbd2 d5 4. e3 Bd6 5. Bd3 Nbd7 6. O-O O-O 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nf6 10. Bg5 h6 11. Bxf6 Qxf6 12. c3 Bd7 13. Qe2 Rab8 14. Ne5 Rfd8 15. Nxd7 Rxd7 16. Rad1 c6 17. Bc2 Rbd8 18. Rd3 Qg5 19. Rfd1 Bc7 20. Rh3 g6 21. Rhd3 c5 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.04"]
[Round "9"]
[White "Letelier Martner, Rene"]
[Black "Sanguineti, Raul"]
[Result "0-1"]
[ECO "B97"]
[EventDate "1962.03.22"]
[PlyCount "96"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. f5 Nc6 11. fxe6 fxe6 12. Bc4 Nxd4 13. Qxd4 Be7 14. Rf1 b5 15. Be2 O-O 16. Rb3 Qc5 17. Qxc5 dxc5 18. e5 Nd5 19. Nxd5 Rxf1+ 20. Bxf1 Bxg5 21. Nb6 Rb8 22. Nxc8 Rxc8 23. c4 b4 24. g3 a5 25. a4 Rd8 26. Rd3 Rxd3 27. Bxd3 Be3 28. Ke2 Bd4 29. Bc2 Bxe5 30. Kf3 Kf7 31. h3 Kf6 32. Bd1 Bd6 33. Bc2 h6 34. h4 Ke5 35. Ke3 Be7 36. Bd1 Bf6 37. Bc2 g5 38. h5 g4 39. Bg6 Bg5+ 40. Kd3 Bc1 41. Bh7 Bb2 42. Bg6 Bc3 43. Ke2 b3 44. Kd1 Kd4 45. Bf7 e5 46. Be6 e4 47. Bxg4 Kxc4 48. Be6+ Kb4 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.04"]
[Round "9"]
[White "Najdorf, Miguel"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[ECO "E14"]
[EventDate "1962.03.22"]
[PlyCount "33"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 d5 6. O-O Be7 7. b3 O-O 8. Bb2 Nbd7 9. Qe2 Ne4 10. cxd5 exd5 11. Ba6 Qc8 12. Bxb7 Qxb7 13. Nc3 Nxc3 14. Bxc3 Bd6 15. b4 Nf6 16. b5 Ne4 17. Qb2 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.04"]
[Round "9"]
[White "Pachman, Ludek"]
[Black "Pilnik, Herman"]
[Result "1/2-1/2"]
[ECO "D30"]
[EventDate "1962.03.22"]
[PlyCount "194"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c6 5. Nbd2 Nbd7 6. Bd3 Bd6 7. O-O Qe7 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 Bd7 12. Qe2 O-O-O 13. a3 Be8 14. b4 h6 15. Ne5 Bc7 16. Bb2 Nd7 17. Nd3 Qh4 18. f4 Nf6 19. Rae1 Bb6 20. Nc5 Nd7 21. Be4 Rg8 22. Bc3 g6 23. a4 Qe7 24. a5 Bc7 25. Nxb7 Kxb7 26. Bxc6+ Kc8 27. Qf3 Nf6 28. Bb7+ Kb8 29. Ba6 Bd6 30. c5 Nd5 31. cxd6 Qxd6 32. b5 Bd7 33. Bd2 Bc8 34. Rb1 Bb7 35. Bxb7 Kxb7 36. Rfc1 Rc8 37. Rc6 Rxc6 38. bxc6+ Ka8 39. Rb7 f5 40. Rf7 Qxc6 41. Qd3 g5 42. fxg5 hxg5 43. h3 g4 44. hxg4 Qa4 45. g5 Qd1+ 46. Kf2 Qh5 47. Rd7 Qh4+ 48. Kg1 Rh8 49. g6 Qh1+ 50. Kf2 Qh4+ 51. Ke2 Qg4+ 52. Qf3 Qxd4 53. g7 Qc4+ 54. Kf2 Rg8 55. Rf7 Rxg7 56. Rxg7 Qd4+ 57. Kf1 Qxg7 58. Qa3 Qc7 59. Qa4 Qc8 60. g4 fxg4 61. Qxg4 Kb7 62. Qd4 Qc6 63. Ke2 Ka6 64. Ke1 Nc7 65. Qd3+ Nb5 66. Ke2 Qd6 67. Qc4 Qd7 68. Ke3 Kb7 69. Qe4+ Qc6 70. Qh7+ Nc7 71. Qb1+ Kc8 72. Qe4 Qc5+ 73. Qd4 Qg5+ 74. Ke2 Qh5+ 75. Kf2 Kb7 76. Qb4+ Qb5 77. Qd4 a6 78. Qe4+ Qd5 79. Ke3 Kc6 80. Qc2+ Kd7 81. Qh7+ Kc8 82. Qe4 Nb5 83. Qxd5 exd5 84. Kf4 Na3 85. Ke5 Nc4+ 86. Kxd5 Nxd2 87. Kc6 Nb3 88. Kb6 Kd7 89. Kxa6 Kc6 90. Ka7 Kc7 91. Ka6 Nd4 92. Ka7 Nb5+ 93. Ka6 Nd6 94. Ka7 Nb5+ 95. Ka6 Na3 96. Ka7 Nb5+ 97. Ka6 Kc6 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.04"]
[Round "9"]
[White "Rossetto, Hector Decio"]
[Black "Penrose, Jonathan"]
[Result "1-0"]
[ECO "A48"]
[EventDate "1962.03.22"]
[PlyCount "87"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. e4 d6 6. Be2 h6 7. Bh4 Nbd7 8. c3 Nh5 9. O-O Nf4 10. Bc4 c6 11. a4 g5 12. Nxg5 hxg5 13. Bxg5 Ne6 14. Be3 Nf6 15. Bd3 Nc7 16. h3 e5 17. f4 exf4 18. Bxf4 Ne6 19. Bxd6 Qxd6 20. e5 Qe7 21. exf6 Bxf6 22. Qh5 Rd8 23. Rae1 Rd5 24. Qh6 Bg7 25. Qh7+ Kf8 26. Bg6 Bd7 27. Ne4 Be8 28. h4 Rad8 29. Ng3 c5 30. Nf5 Qf6 31. Rxe6 Rxf5 32. Bxf5 fxe6 33. Bxe6 cxd4 34. cxd4 Rxd4 35. Rxf6+ Bxf6 36. Qf5 Ke7 37. Bc8 Bf7 38. Bxb7 Be6 39. Qc5+ Rd6 40. Qb4 Kd7 41. Bf3 Rb6 42. Qd2+ Ke7 43. Qe3 Rxb2 44. Bg4 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.04"]
[Round "9"]
[White "Szabo, Laszlo"]
[Black "Panno, Oscar"]
[Result "1-0"]
[ECO "E93"]
[EventDate "1962.03.22"]
[PlyCount "82"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. d5 Nbd7 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5 11. Nd2 Nf4 12. O-O Nf6 13. Rc1 h5 14. f3 c5 15. dxc6 bxc6 16. c5 d5 17. exd5 cxd5 18. Re1 Be6 19. Qa4 h4 20. Bxf4 gxf4 21. Bb5 Qc7 22. Nb3 a5 23. Bf1 Nd7 24. Nb5 Qd8 25. Kh1 Nb8 26. c6 Qb6 27. Nd6 Bf6 28. Nc5 Qc7 29. Nb5 Qe7 30. Nd3 Rc8 31. c7 Nd7 32. Rc6 h3 33. Nd6 Rxc7 34. Rxc7 Qxd6 35. Rc6 Qe7 36. Rec1 Kg7 37. Rc7 hxg2+ 38. Bxg2 Rh8 39. R1c6 Qd8 40. Rb7 Qa8 41. Qb5 Rb8 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.05"]
[Round "10"]
[White "Byrne, Donald"]
[Black "Guimard, Carlos Enrique"]
[Result "0-1"]
[ECO "C00"]
[EventDate "1962.03.22"]
[PlyCount "104"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. O-O O-O 8. Re1 b5 9. e5 Nd7 10. h4 Qc7 11. Qe2 Bb7 12. Nf1 Nd4 13. Nxd4 cxd4 14. Bf4 Rfc8 15. Rec1 a5 16. Nh2 b4 17. h5 Ra6 18. Nf3 Qc5 19. Bh3 Rac6 20. g4 Qb6 21. Kg2 a4 22. Rab1 Ba6 23. b3 a3 24. Ne1 Kf8 25. Bg3 Ke8 26. f4 Kd8 27. Bf2 Kc7 28. Rd1 Kb7 29. Rd2 Bc5 30. Nf3 Rf8 31. Re1 Nb8 32. f5 Ka8 33. Qd1 Bc8 34. fxe6 fxe6 35. Qa1 Rc7 36. Bxd4 Nc6 37. Bxc5 Qxc5 38. d4 Qc3 39. Rf2 Rcf7 40. Qxc3 bxc3 41. b4 Nxd4 42. Re3 Nxf3 43. Rexf3 Rxf3 44. Rxf3 Rxf3 45. Kxf3 Ba6 46. Ke3 Bc4 47. g5 Bxa2 48. Kd4 Bc4 49. Kxc3 d4+ 50. Kxc4 a2 51. Bxe6 a1=Q 52. Bf5 d3 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.05"]
[Round "10"]
[White "Panno, Oscar"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "E19"]
[EventDate "1962.03.22"]
[PlyCount "31"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Rd1 Nd7 11. Qc2 Nf6 12. Ne1 Bxg2 13. Nxg2 c6 14. Bf4 d5 15. Rac1 Qd7 16. Ne1 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.05"]
[Round "10"]
[White "Parma, Bruno"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[ECO "B42"]
[EventDate "1962.03.22"]
[PlyCount "24"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 bxc6 7. O-O d5 8. c4 Nf6 9. cxd5 cxd5 10. exd5 Nxd5 11. Be4 Ra7 12. Bxd5 Qxd5 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.05"]
[Round "10"]
[White "Penrose, Jonathan"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]
[ECO "B93"]
[EventDate "1962.03.22"]
[PlyCount "86"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. Bd3 g6 8. O-O Bg7 9. Nf3 Nbd7 10. Qe1 b5 11. a3 Bb7 12. Bd2 O-O 13. Qh4 a5 14. Rae1 b4 15. axb4 axb4 16. Nd1 Ra1 17. Nf2 Rxe1 18. Rxe1 Nc5 19. Bxb4 Ncxe4 20. Bxe4 Bxe4 21. Nxe4 Qb6+ 22. Nf2 Qxb4 23. Nd3 Qc4 24. Qf2 Nd5 25. g3 e6 26. Qe2 Ra8 27. c3 Ra2 28. Qe4 Qa6 29. Kh1 h6 30. Nb4 Nxb4 31. Qxb4 Qd3 32. Qb7 Qc2 33. Qb8+ Kh7 34. Qxd6 Rxb2 35. Rg1 Qxc3 36. Qd1 Qe3 37. Rf1 Ra2 38. Qe1 Qd3 39. Qd1 Qe4 40. Kg1 Ra3 41. Kg2 Rd3 42. Re1 Qd5 43. Qe2 Bc3 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.05"]
[Round "10"]
[White "Pilnik, Herman"]
[Black "Letelier Martner, Rene"]
[Result "0-1"]
[ECO "B27"]
[EventDate "1962.03.22"]
[PlyCount "78"]

1. e4 c5 2. Nf3 g6 3. Nc3 Bg7 4. d4 Nc6 5. d5 Nd4 6. a4 d6 7. h3 e5 8. Nd2 f5 9. Nc4 Nf6 10. exf5 Bxf5 11. Ne3 Bd7 12. Bb5 O-O 13. Bxd7 Qxd7 14. O-O Rae8 15. Nc4 h6 16. f3 e4 17. fxe4 Nxe4 18. Rxf8+ Bxf8 19. Nxe4 Rxe4 20. Be3 Nf5 21. Qd3 Rxc4 22. Qxc4 Nxe3 23. Qd3 Nf5 24. g4 Ne7 25. Qf3 Bg7 26. Rf1 Qe8 27. c3 Be5 28. h4 Kg7 29. b3 Ng8 30. Kg2 h5 31. gxh5 gxh5 32. Kh1 Nh6 33. b4 c4 34. a5 Ng4 35. Qf5 Bf6 36. Qe6 Qg6 37. Rf5 Ne3 38. Rf2 Qb1+ 39. Kh2 Be5+ 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.05"]
[Round "10"]
[White "Rossetto, Hector Decio"]
[Black "Bielicki, Carlos"]
[Result "1/2-1/2"]
[ECO "D36"]
[EventDate "1962.03.22"]
[PlyCount "88"]

1. d4 Nf6 2. Bg5 d5 3. Nf3 Nbd7 4. c4 e6 5. cxd5 exd5 6. e3 Be7 7. Nc3 c6 8. Qc2 Nh5 9. Bxe7 Qxe7 10. Be2 O-O 11. O-O-O Nhf6 12. h3 Re8 13. g4 Ne4 14. Bd3 Ndf6 15. Kb1 Nxc3+ 16. Qxc3 Ne4 17. Qc2 Kh8 18. Ne5 f6 19. Nf3 Rf8 20. Rhg1 Bd7 21. h4 Rac8 22. Bxe4 dxe4 23. Nd2 Rfe8 24. g5 Be6 25. gxf6 gxf6 26. Rc1 Bd5 27. b3 Rg8 28. Qc5 Qxc5 29. dxc5 Rg6 30. Rxg6 hxg6 31. Nc4 Bxc4 32. Rxc4 Re8 33. Rd4 Re7 34. Kc2 Kg7 35. Rd6 f5 36. Kc3 Kh6 37. Kd4 Kg7 38. b4 Kf7 39. a4 a6 40. h5 gxh5 41. Rh6 Kg7 42. Rxh5 Kf6 43. Rh8 Rd7+ 44. Kc4 Rd2 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.05"]
[Round "10"]
[White "Sanguineti, Raul"]
[Black "Eliskases, Erich"]
[Result "1/2-1/2"]
[ECO "B41"]
[EventDate "1962.03.22"]
[PlyCount "87"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Nde2 d5 9. cxd5 exd5 10. exd5 Qxd5 11. O-O Qa5 12. Ne4 Be7 13. Bd2 Qd8 14. Qc2 Bg4 15. Nxf6+ Bxf6 16. Rfe1 Rc8 17. Bc3 Kf8 18. Bf5 Bxf5 19. Qxf5 Bxc3 20. Nxc3 g6 21. Qc5+ Kg7 22. Ne4 Qd4 23. Qxd4+ Nxd4 24. Nd6 Nc2 25. Nxc8 Nxe1 26. Nd6 Nd3 27. b3 b5 28. Rd1 Nb4 29. Rd2 Rb8 30. g4 h6 31. f4 Rb6 32. a3 Nc6 33. Ne8+ Kf8 34. Nf6 Rb7 35. Rd6 Rc7 36. Nd5 Rc8 37. f5 gxf5 38. gxf5 Ne7 39. Nxe7 Kxe7 40. Rxh6 Rc3 41. Rxa6 Rxb3 42. Kg2 f6 43. h4 Kf7 44. Ra7+ 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.05"]
[Round "10"]
[White "Smyslov, Vassily"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[ECO "D58"]
[EventDate "1962.03.22"]
[PlyCount "71"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. Bd3 c5 9. dxc5 bxc5 10. cxd5 Nxd5 11. Bg3 Nd7 12. O-O Nxc3 13. bxc3 Bb7 14. Rb1 Bc6 15. Bb5 Bxb5 16. Rxb5 Nb6 17. Ne5 Qxd1 18. Rxd1 Rfc8 19. Kf1 Bf6 20. Ke2 Nd5 21. Rc1 a6 22. Rb7 Rab8 23. Rxb8 Rxb8 24. Rc2 Rb1 25. e4 Nb6 26. Nc6 Nc4 27. e5 Rb6 28. exf6 Rxc6 29. fxg7 Kxg7 30. Kd3 Na3 31. Rb2 c4+ 32. Ke3 Kg6 33. Rb8 f6 34. f3 e5 35. f4 Nb5 36. fxe5 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.06"]
[Round "11"]
[White "Bielicki, Carlos"]
[Black "Penrose, Jonathan"]
[Result "1/2-1/2"]
[ECO "E61"]
[EventDate "1962.03.22"]
[PlyCount "46"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. Bg5 d6 6. e3 Nbd7 7. Be2 c6 8. Qc2 e5 9. h3 Qe8 10. Bh4 a6 11. O-O h6 12. dxe5 dxe5 13. Nd2 Qe7 14. Rab1 g5 15. Bg3 Ne8 16. Bg4 Nd6 17. e4 Nc5 18. Bxc8 Raxc8 19. Ne2 Ne6 20. Rfe1 f5 21. exf5 Nxf5 22. Ne4 Rcd8 23. b3 Qf7 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.06"]
[Round "11"]
[White "Eliskases, Erich"]
[Black "Pilnik, Herman"]
[Result "1-0"]
[ECO "E95"]
[EventDate "1962.03.22"]
[PlyCount "119"]

1. c4 e5 2. Nf3 d6 3. Nc3 g6 4. d4 Nd7 5. e4 Bg7 6. Be2 Ngf6 7. O-O O-O 8. Re1 c6 9. Bf1 Ng4 10. dxe5 dxe5 11. h3 Ngf6 12. Be3 Qe7 13. Qc2 Re8 14. a3 Nh5 15. b4 Nf4 16. c5 Nf8 17. Rad1 Be6 18. Ne2 Nxe2+ 19. Bxe2 a6 20. Nd2 Rad8 21. Nc4 Bxc4 22. Bxc4 Ne6 23. Qb3 Nd4 24. Bxd4 Rxd4 25. Rxd4 exd4 26. e5 Kh8 27. Qd3 Rd8 28. Re4 f5 29. exf6 Qxf6 30. g3 Rf8 31. f4 Qd8 32. h4 a5 33. Kg2 axb4 34. axb4 b6 35. Re6 bxc5 36. bxc5 Qb8 37. Rxc6 Qb2+ 38. Qe2 Qxe2+ 39. Bxe2 Re8 40. Bf3 Bf8 41. Rc7 Rd8 42. c6 d3 43. h5 d2 44. Rd7 Rxd7 45. cxd7 Be7 46. h6 Kg8 47. Kf1 Bd8 48. Ke2 Ba5 49. Bd5+ Kf8 50. Bb3 g5 51. fxg5 Bd8 52. g6 hxg6 53. Kxd2 Bf6 54. Kd3 Ke7 55. Ba4 Bg5 56. h7 Bf6 57. Ke4 Bg7 58. Kd5 Bc3 59. Kc6 Be5 60. h8=Q 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.06"]
[Round "11"]
[White "Guimard, Carlos Enrique"]
[Black "Rossetto, Hector Decio"]
[Result "1/2-1/2"]
[ECO "E69"]
[EventDate "1962.03.22"]
[PlyCount "83"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 exd4 10. Nxd4 Re8 11. Be3 a5 12. Qc2 Nc5 13. Rad1 Nfd7 14. Nb3 Qe7 15. Rfe1 Nxb3 16. axb3 Nc5 17. Na4 Nxa4 18. bxa4 Be6 19. Kh2 f5 20. Bf4 Qf7 21. b3 Be5 22. Bxe5 dxe5 23. exf5 Bxf5 24. Qc3 Qc7 25. Re3 Re7 26. g4 Bd7 27. Rde1 Rae8 28. Kg1 Bc8 29. Re4 Re6 30. c5 R6e7 31. Bf1 Be6 32. Rxe5 Bd5 33. Rxe7 Rxe7 34. Rxe7 Qxe7 35. Qxa5 Qe4 36. Qd8+ Kg7 37. Qc7+ Kh6 38. Qh2 Bxb3 39. Qg3 Bd5 40. Qe3+ Qxe3 41. fxe3 Kg5 42. Kf2 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.06"]
[Round "11"]
[White "Letelier Martner, Rene"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "A49"]
[EventDate "1962.03.22"]
[PlyCount "61"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Re1 Nbd7 7. e4 e5 8. b3 exd4 9. Bb2 c5 10. c3 Re8 11. Nh4 d5 12. exd5 Rxe1+ 13. Qxe1 Nf8 14. c4 b5 15. Nd2 Rb8 16. Ba3 bxc4 17. Nxc4 Rb5 18. Qe5 Ne8 19. Qe4 Bb7 20. Re1 Nf6 21. Qe7 Qxe7 22. Rxe7 Bxd5 23. Bxd5 Nxd5 24. Rxa7 Nb4 25. Nf3 Nxa2 26. Bxc5 Rxc5 27. Rxa2 Rb5 28. Ncd2 Rb8 29. Ra5 Ne6 30. Rd5 Bf8 31. Kf1 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.06"]
[Round "11"]
[White "Najdorf, Miguel"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[ECO "D22"]
[EventDate "1962.03.22"]
[PlyCount "43"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Bg4 5. Bxc4 e6 6. Qb3 Bxf3 7. gxf3 b5 8. Be2 c5 9. a4 b4 10. dxc5 Bxc5 11. Nd2 Nf6 12. O-O O-O 13. Nc4 a5 14. Bd2 Nbd7 15. Rad1 Nd5 16. e4 N5b6 17. Kh1 Nxc4 18. Bxc4 Qe7 19. Be3 Rfd8 20. Be2 Nf8 21. Rxd8 Rxd8 22. Rd1 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.06"]
[Round "11"]
[White "Pachman, Ludek"]
[Black "Byrne, Donald"]
[Result "0-1"]
[ECO "E81"]
[EventDate "1962.03.22"]
[PlyCount "79"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 c6 6. Be3 a6 7. Qd2 b5 8. Bd3 Nbd7 9. Nge2 bxc4 10. Bxc4 O-O 11. O-O a5 12. Rac1 a4 13. Rfd1 Nb6 14. Bd3 Be6 15. Nf4 Bc4 16. Qe2 Bxd3 17. Nxd3 Nc4 18. Bf2 Qa5 19. a3 Rfc8 20. Na2 Qb5 21. Rc2 Nd7 22. Nc3 Qb7 23. f4 Ndb6 24. e5 Na5 25. Ne4 Qd7 26. Ng5 f5 27. Re1 Nd5 28. h4 Nb3 29. h5 e6 30. hxg6 hxg6 31. g3 Nc7 32. Nb4 c5 33. dxc5 dxc5 34. Bxc5 Nxc5 35. Rxc5 Bf8 36. Rc4 Nd5 37. Kh2 Bxb4 38. axb4 Rxc4 39. Qxc4 Rc8 40. Qd3 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.06"]
[Round "11"]
[White "Polugaevsky, Lev"]
[Black "Panno, Oscar"]
[Result "1-0"]
[ECO "E88"]
[EventDate "1962.03.22"]
[PlyCount "113"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 a6 10. O-O-O b5 11. Kb1 Nbd7 12. Rc1 Nb6 13. g4 Bd7 14. Bd3 Rc8 15. Nge2 Nc4 16. Bxc4 Rxc4 17. Ng3 Qb8 18. h4 Rfc8 19. Nce2 b4 20. Rxc4 Rxc4 21. Nc1 a5 22. h5 Be8 23. Bh6 Bh8 24. Nf5 Qc7 25. Qg5 a4 26. Ne3 Rxe4 27. Ne2 Rxe3 28. Qxe3 Nxd5 29. Rc1 Qb7 30. Qd3 Bg7 31. Bxg7 Kxg7 32. Ng3 Bc6 33. Qd2 a3 34. Ne4 axb2 35. h6+ Kf8 36. Kxb2 Ke7 37. f4 f6 38. fxe5 dxe5 39. Qf2 Qb5 40. Rc5 Qa6 41. Qd2 Ke6 42. Qc2 Ne7 43. g5 Bxe4 44. Qxe4 Qd6 45. Qg4+ Kf7 46. Qc4+ Ke8 47. gxf6 Qxf6 48. Qxb4 e4+ 49. Qc3 Qf2+ 50. Kb3 Kd7 51. Re5 Qf3 52. Kc2 Nc6 53. Rd5+ Kc7 54. Qxf3 exf3 55. Kd2 Ne7 56. Rg5 Ng8 57. Rxg6 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.06"]
[Round "11"]
[White "Szabo, Laszlo"]
[Black "Sanguineti, Raul"]
[Result "1/2-1/2"]
[ECO "D91"]
[EventDate "1962.03.22"]
[PlyCount "37"]

1. c4 g6 2. d4 Nf6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Qd2 exd5 9. Qe3+ Kf8 10. Nf3 c5 11. Qd2 Nc6 12. e3 cxd4 13. exd4 Bg4 14. Be2 Bxf3 15. Bxf3 Nxd4 16. Bxd5 Qe7+ 17. Kf1 Rd8 18. Re1 Qc7 19. Qd3 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.08"]
[Round "12"]
[White "Bielicki, Carlos"]
[Black "Guimard, Carlos Enrique"]
[Result "1/2-1/2"]
[ECO "E14"]
[EventDate "1962.03.22"]
[PlyCount "148"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5 6. O-O Be7 7. Qe2 O-O 8. b3 cxd4 9. exd4 d5 10. Bb2 Nc6 11. Nbd2 a5 12. Rad1 a4 13. Bb1 axb3 14. axb3 Ba3 15. Ba1 Bb4 16. Bb2 Ba3 17. Ba1 Re8 18. Ne5 b5 19. cxd5 Qxd5 20. Ne4 Nd8 21. f3 Be7 22. Qb2 Ra3 23. Bc2 b4 24. Qb1 h6 25. Bb2 Ra7 26. Nc4 Ba6 27. Nxf6+ Bxf6 28. Be4 Qg5 29. Rfe1 Rd7 30. Bc1 Qb5 31. Bb2 Nc6 32. Bxc6 Qxc6 33. Ne5 Bxe5 34. Rxe5 Rd5 35. Qc1 Qb5 36. Qd2 Red8 37. Rxd5 Qxd5 38. Qxb4 e5 39. Ra1 Bb5 40. dxe5 Qd3 41. Re1 Bd7 42. Qc3 Be6 43. b4 Qb5 44. h3 Rb8 45. Re4 Qa4 46. Qd2 Rc8 47. Bc3 Qb3 48. Re3 Ra8 49. Qb2 Qd1+ 50. Re1 Qd3 51. Qd2 Qc4 52. Qd4 Qb3 53. Re3 Ra2 54. f4 g6 55. Kh2 Qc2 56. Rg3 Kh7 57. Qd3 Qf2 58. Qf3 Qc2 59. Bd4 Qb1 60. Qb7 Rd2 61. f5 Qxf5 62. Rf3 Qg5 63. Rxf7+ Bxf7 64. Qxf7+ Kh8 65. Qf8+ Kh7 66. Qf7+ Kh8 67. Qe8+ Kh7 68. Qd7+ Kg8 69. Qc8+ Kh7 70. Qb7+ Kg8 71. Qd5+ Kh7 72. Qb7+ Kg8 73. Qe4 Qf5 74. Qa8+ Qf8 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.08"]
[Round "12"]
[White "Byrne, Donald"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]
[ECO "A21"]
[EventDate "1962.03.22"]
[PlyCount "65"]

1. c4 e5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 f5 6. Nf3 Nf6 7. O-O O-O 8. Bd2 c6 9. Rc1 Qe7 10. b4 h6 11. b5 Kh7 12. Ne1 Be6 13. Nc2 Rc8 14. Re1 d5 15. bxc6 bxc6 16. cxd5 cxd5 17. e4 fxe4 18. dxe4 d4 19. Nd5 Qb7 20. Nxd4 Bxd5 21. exd5 exd4 22. d6 Nc6 23. Qa4 Qb2 24. Rc2 Qb6 25. Bxc6 d3 26. Ba5 dxc2 27. Bxb6 axb6 28. Qxa8 Rxa8 29. Bxa8 Bf8 30. Rc1 Bxd6 31. Rxc2 Bc5 32. a4 Nd7 33. a5 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.08"]
[Round "12"]
[White "Parma, Bruno"]
[Black "Eliskases, Erich"]
[Result "1/2-1/2"]
[ECO "B21"]
[EventDate "1962.03.22"]
[PlyCount "99"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 d6 6. Bc4 Nc6 7. O-O Be7 8. Qe2 a6 9. Rd1 Bd7 10. Bf4 e5 11. Be3 Nf6 12. h3 O-O 13. Rac1 Rc8 14. Bd5 b5 15. a3 Na5 16. Nd2 Be6 17. b4 Nc6 18. Nb3 Qd7 19. Rc2 Bd8 20. Qd3 Ne7 21. Bxe6 Qxe6 22. Nd2 Rc6 23. Rdc1 Bb6 24. Bxb6 Rxb6 25. Nf1 d5 26. exd5 Nfxd5 27. Nxd5 Nxd5 28. Rc5 Nf4 29. Qf3 Rd6 30. Rd1 Rxd1 31. Qxd1 f5 32. Kh2 e4 33. Qd4 Nd3 34. Rc7 Qe5+ 35. Qxe5 Nxe5 36. Ne3 f4 37. Nd5 Nc4 38. Re7 Rf5 39. Nc3 e3 40. fxe3 fxe3 41. Nd1 Kf8 42. Re4 Nxa3 43. Nxe3 Rf7 44. Rd4 Ra7 45. Rd3 Nc4 46. Nxc4 bxc4 47. Rd8+ Ke7 48. Rc8 a5 49. bxa5 Rxa5 50. Rxc4 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.08"]
[Round "12"]
[White "Penrose, Jonathan"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "B58"]
[EventDate "1962.03.22"]
[PlyCount "188"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nxc6 bxc6 8. O-O Be7 9. f4 exf4 10. Bxf4 O-O 11. Qd3 Ng4 12. Kh1 Ne5 13. Bxe5 dxe5 14. Qxd8 Rxd8 15. Bc4 Bf6 16. h3 Rd4 17. b3 Kf8 18. Rad1 Rd7 19. g4 h6 20. Kg2 Ke7 21. Kg3 Rxd1 22. Nxd1 Bd7 23. Nb2 Rh8 24. h4 Rf8 25. Nd1 g6 26. Ne3 Bg7 27. Rf2 h5 28. gxh5 f5 29. Kh2 f4 30. Ng2 gxh5 31. Ne1 Bf6 32. Nf3 Bg4 33. Kg2 Rd8 34. Rf1 a5 35. a4 Rd6 36. Kf2 Kd8 37. Kg2 Kc7 38. Rf2 Kb6 39. Rf1 Kc5 40. c3 Rd7 41. Rf2 Rd1 42. Rc2 Rb1 43. Bf7 Kd6 44. Bc4 Ke7 45. b4 axb4 46. cxb4 Rxb4 47. a5 Bc8 48. Bd3 Kd6 49. Nd2 Ra4 50. Nc4+ Kc7 51. Nb6 Rd4 52. Bb5 Bb7 53. Nd5+ Kb8 54. Bxc6 Bxc6 55. Rxc6 Bxh4 56. Kf3 Rd3+ 57. Ke2 Rh3 58. Rc3 Rh2+ 59. Kd1 Rh1+ 60. Ke2 Re1+ 61. Kf3 Rb1 62. Kg2 Rb2+ 63. Kh1 Be1 64. Ra3 Bf2 65. Nf6 h4 66. Nd7+ Ka7 67. Nxe5 Bg3 68. a6 h3 69. Ra1 Rc2 70. Nf3 Rf2 71. Ng5 f3 72. Nxf3 Rxf3 73. Kg1 Re3 74. Kh1 Rxe4 75. Rg1 Re3 76. Ra1 Be5 77. Rb1 Kxa6 78. Kg1 Bg3 79. Kh1 Ka5 80. Kg1 Ka4 81. Kh1 Ka3 82. Kg1 Ka2 83. Rf1 Rd3 84. Kh1 Kb2 85. Kg1 Kc3 86. Ra1 Kd4 87. Rb1 Ke4 88. Rf1 Rd2 89. Rb1 Kf3 90. Kh1 Rh2+ 91. Kg1 Re2 92. Kh1 Bf2 93. Kh2 Kg4 94. Rf1 Kh4 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.08"]
[Round "12"]
[White "Pilnik, Herman"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[ECO "B19"]
[EventDate "1962.03.22"]
[PlyCount "49"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 Ngf6 10. Bd2 Qc7 11. O-O-O e6 12. Ne4 O-O-O 13. Kb1 c5 14. Nxf6 Nxf6 15. Qc4 Ng4 16. Qe2 cxd4 17. Bc1 Bc5 18. Nxd4 Rxd4 19. Rxd4 Bxd4 20. Qxg4 Rd8 21. Qe2 Rd5 22. Rd1 Qc6 23. g3 Bb6 24. Rxd5 Qxd5 25. a3 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.08"]
[Round "12"]
[White "Rossetto, Hector Decio"]
[Black "Pachman, Ludek"]
[Result "0-1"]
[ECO "D00"]
[EventDate "1962.03.22"]
[PlyCount "90"]

1. d4 Nf6 2. Bg5 d5 3. e3 c5 4. c3 Ne4 5. Bh4 cxd4 6. exd4 Nc6 7. f3 Nd6 8. Qb3 Nf5 9. Bf2 g6 10. g4 Ng7 11. Bg2 h5 12. Ne2 e6 13. Nd2 Bd6 14. O-O-O Na5 15. Qc2 b5 16. h3 Bd7 17. Bg3 Bxg3 18. Nxg3 b4 19. Ne2 Bb5 20. Rhe1 O-O 21. Kb1 Rc8 22. Rc1 Qd6 23. Ka1 Rc7 24. Qd1 Rfc8 25. cxb4 Qxb4 26. Rxc7 Rxc7 27. Nb3 Ba4 28. Nec1 Rxc1+ 29. Qxc1 Bxb3 30. Qc8+ Kh7 31. Qc3 Qa4 32. a3 Nc6 33. Bf1 Nxd4 34. Bd3 Bc2 35. Rg1 e5 36. Bxc2 Nxc2+ 37. Kb1 Qd4 38. Qxd4 Nxd4 39. Rd1 Nge6 40. b4 hxg4 41. hxg4 Nxf3 42. Rxd5 e4 43. Rd7 Kg7 44. Kc2 Ned4+ 45. Kc3 e3 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.08"]
[Round "12"]
[White "Sanguineti, Raul"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "A14"]
[EventDate "1962.03.22"]
[PlyCount "83"]

1. c4 e6 2. g3 d5 3. Nf3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 d4 7. e3 c5 8. exd4 cxd4 9. d3 Nc6 10. Re1 Nd7 11. Ba3 a5 12. Bb2 e5 13. Na3 f6 14. Nb5 Nc5 15. Ba3 Kh8 16. Bxc5 Bxc5 17. a3 Na7 18. Nxa7 Rxa7 19. Qd2 Qd6 20. Qb2 Bf5 21. Bf1 Ra6 22. Nd2 Rb6 23. f3 Qc7 24. Ne4 Be7 25. Rec1 Be6 26. b4 f5 27. c5 Rb5 28. Nd2 b6 29. cxb6 Qxb6 30. Nc4 Qb8 31. Qe2 axb4 32. axb4 Bxb4 33. Rab1 Bxc4 34. Rxc4 Bd6 35. Rxb5 Qxb5 36. Qc2 Qd7 37. Rc6 h6 38. Qc4 Bb8 39. Bh3 Kh7 40. Qe6 Qxe6 41. Rxe6 g6 42. Re7+ 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.08"]
[Round "12"]
[White "Smyslov, Vassily"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[ECO "A27"]
[EventDate "1962.03.22"]
[PlyCount "41"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. e3 Nf6 5. d4 e4 6. Nd2 d6 7. Be2 g6 8. b4 Bg7 9. b5 Ne7 10. O-O O-O 11. a4 Be6 12. Ba3 g5 13. Rc1 Qe8 14. a5 Rd8 15. b6 axb6 16. Nb5 bxa5 17. Nxc7 Qd7 18. Nxe6 Qxe6 19. Rb1 f4 20. Rxb7 Nf5 21. Bg4 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.09"]
[Round "13"]
[White "Eliskases, Erich"]
[Black "Byrne, Donald"]
[Result "1/2-1/2"]
[ECO "E65"]
[EventDate "1962.03.22"]
[PlyCount "32"]

1. c4 Nf6 2. Nf3 g6 3. g3 c5 4. Bg2 Bg7 5. O-O O-O 6. d4 Nc6 7. Nc3 d6 8. dxc5 dxc5 9. Be3 Qa5 10. Bd2 Qd8 11. Qc1 Be6 12. b3 Qc8 13. Bh6 Bh3 14. Bxg7 Kxg7 15. Qf4 Bxg2 16. Kxg2 Qf5 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.09"]
[Round "13"]
[White "Guimard, Carlos Enrique"]
[Black "Penrose, Jonathan"]
[Result "1/2-1/2"]
[ECO "A37"]
[EventDate "1962.03.22"]
[PlyCount "60"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. c4 Bg7 5. Nc3 Rb8 6. O-O a6 7. a4 d6 8. d3 Nf6 9. Bd2 O-O 10. Rb1 Bd7 11. h3 h6 12. Ne1 Na7 13. b4 cxb4 14. Rxb4 b5 15. axb5 axb5 16. Nd5 Kh7 17. Nxf6+ Bxf6 18. Qc1 h5 19. Bg5 Bxg5 20. Qxg5 e6 21. Qf4 bxc4 22. Rxb8 Qxb8 23. dxc4 Qc7 24. Nf3 Nc8 25. Rb1 Bc6 26. Ng5+ Kg7 27. e4 e5 28. Qc1 Bd7 29. Rb4 Nb6 30. Bf1 Na4 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.09"]
[Round "13"]
[White "Letelier Martner, Rene"]
[Black "Rossetto, Hector Decio"]
[Result "1-0"]
[ECO "B66"]
[EventDate "1962.03.22"]
[PlyCount "93"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Nc6 9. Qd2 Be7 10. O-O-O O-O 11. h4 Rd8 12. Bd3 Ng4 13. Bxe7 Nxe7 14. Rde1 Nf2 15. Rhf1 Nxd3+ 16. Qxd3 d5 17. f5 d4 18. Nd1 exf5 19. exf5 Qh6+ 20. Kb1 Nc6 21. Nf2 Bd7 22. Nc5 Qxh4 23. g3 Qh6 24. Rh1 Qf6 25. Nfe4 Qe5 26. Nxd7 Rxd7 27. Ng5 Qb5 28. Qxb5 axb5 29. Rxh7 Rad8 30. Reh1 Kf8 31. Rh8+ Ke7 32. Re1+ Kd6 33. Rh7 f6 34. Ne6 Re8 35. Rd1 Ke5 36. Rxg7 Rxg7 37. Nxg7 Rg8 38. Re1+ Kd5 39. Nh5 Rf8 40. Re6 Nd8 41. Nf4+ Kc5 42. a3 Rf7 43. Nd3+ Kc4 44. b3+ Kc3 45. Rd6 Nc6 46. Kc1 b4 47. Nf4 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.09"]
[Round "13"]
[White "Najdorf, Miguel"]
[Black "Pilnik, Herman"]
[Result "1/2-1/2"]
[ECO "E95"]
[EventDate "1962.03.22"]
[PlyCount "50"]

1. c4 e5 2. Nc3 d6 3. Nf3 g6 4. d4 Nd7 5. e4 Bg7 6. Be2 Ngf6 7. O-O O-O 8. Re1 c6 9. Bf1 Ng4 10. d5 c5 11. h3 Nh6 12. a3 f6 13. Rb1 Nf7 14. Bd3 a5 15. b3 Bh6 16. Bxh6 Nxh6 17. Nb5 Nf7 18. Qc2 Nb8 19. Nh2 Na6 20. Nf1 Nc7 21. Ne3 Bd7 22. Rf1 Qc8 23. Rfc1 Kg7 24. Qb2 Na6 25. Qc2 h5 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.09"]
[Round "13"]
[White "Pachman, Ludek"]
[Black "Bielicki, Carlos"]
[Result "0-1"]
[ECO "E95"]
[EventDate "1962.03.22"]
[PlyCount "80"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 c6 7. O-O e5 8. Re1 Nbd7 9. Bf1 exd4 10. Nxd4 Re8 11. Bf4 Nc5 12. Qc2 Nfd7 13. Be3 Nf6 14. f3 a5 15. Rad1 Nfd7 16. Kh1 a4 17. Nde2 Qa5 18. Bd4 Ne5 19. Nf4 f5 20. Qf2 Ne6 21. Nxe6 Bxe6 22. exf5 Bxf5 23. Ne4 Bxe4 24. Rxe4 Nf7 25. Bxg7 Kxg7 26. Rde1 Kf8 27. Qe3 Rxe4 28. Qxe4 Qe5 29. Qxe5 dxe5 30. Kg1 Rd8 31. Kf2 Ke7 32. Ke3 Kd6 33. b4 axb3 34. axb3 Kc5 35. b4+ Kxb4 36. Rb1+ Kc3 37. Rxb7 Nd6 38. Rxh7 Nf5+ 39. Kf2 Rd2+ 40. Ke1 Nd4 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.09"]
[Round "13"]
[White "Panno, Oscar"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[ECO "D94"]
[EventDate "1962.03.22"]
[PlyCount "97"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 g6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O Bg4 8. h3 Bxf3 9. Qxf3 e6 10. Rd1 Nbd7 11. Bf1 Re8 12. b3 a6 13. Bb2 e5 14. dxe5 Nxe5 15. Qe2 Qa5 16. cxd5 cxd5 17. Qd2 Nc6 18. Na4 Qc7 19. Rac1 Rad8 20. Qc2 Qe7 21. Qc5 Qe6 22. Qb6 Ne4 23. Bxg7 Kxg7 24. Nc5 Nxc5 25. Qxc5 Rd6 26. Rd2 Red8 27. Rcd1 R6d7 28. g3 Qe7 29. Qxe7 Nxe7 30. Bg2 f5 31. Kf1 Kf6 32. Ke2 Ke6 33. Rc2 Rc8 34. Rdc1 Rxc2+ 35. Rxc2 Rd6 36. Kd3 Rc6 37. Rc3 Kd6 38. f4 a5 39. Bf3 h5 40. Kd4 b5 41. a3 b4 42. axb4 axb4 43. Rxc6+ Nxc6+ 44. Kd3 Nd8 45. Kd4 Ne6+ 46. Kd3 Kc6 47. Bg2 Kc5 48. Bf3 Kd6 49. Kd2 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.09"]
[Round "13"]
[White "Polugaevsky, Lev"]
[Black "Sanguineti, Raul"]
[Result "1/2-1/2"]
[ECO "A17"]
[EventDate "1962.03.22"]
[PlyCount "38"]

1. c4 e6 2. Nc3 Nf6 3. Nf3 Bb4 4. a3 Bxc3 5. bxc3 O-O 6. g3 Nc6 7. Bg2 e5 8. O-O d6 9. d3 e4 10. Nd4 exd3 11. exd3 Ne5 12. Rb1 c6 13. h3 Re8 14. Bf4 Ng6 15. Be3 Nd7 16. Qd2 Nc5 17. Nb3 Nxb3 18. Rxb3 Qc7 19. Rbb1 Be6 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.09"]
[Round "13"]
[White "Szabo, Laszlo"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "E42"]
[EventDate "1962.03.22"]
[PlyCount "27"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Nge2 c5 6. a3 cxd4 7. exd4 Be7 8. d5 exd5 9. cxd5 d6 10. Nd4 Nbd7 11. Be2 Nb6 12. Bf3 Nfd7 13. O-O Bf6 14. Bf4 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.10"]
[Round "14"]
[White "Bielicki, Carlos"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]
[ECO "A07"]
[EventDate "1962.03.22"]
[PlyCount "79"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. d3 Be7 6. Nbd2 O-O 7. Nh4 Bg6 8. Nxg6 hxg6 9. c3 Nbd7 10. e4 c6 11. Qe2 dxe4 12. dxe4 Ne5 13. Nc4 Nxc4 14. Qxc4 Qa5 15. h3 Rfd8 16. a4 Rd7 17. Be3 Rad8 18. Rfc1 c5 19. Qb5 Qc7 20. a5 Nh5 21. Re1 Nf6 22. Qa4 Bd6 23. Rac1 Rb8 24. Red1 Rbd8 25. Re1 Rb8 26. Qb5 b6 27. axb6 Qxb6 28. Qa4 Qc7 29. b4 cxb4 30. cxb4 Qd8 31. e5 Bxe5 32. Bxa7 Bb2 33. Rc2 Rd1 34. Rf1 Rxf1+ 35. Bxf1 Ra8 36. Rxb2 Qc7 37. Ra2 Nd5 38. b5 Nc3 39. Rc2 Rxa7 40. Rxc3 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.10"]
[Round "14"]
[White "Byrne, Donald"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[ECO "A25"]
[EventDate "1962.03.22"]
[PlyCount "25"]

1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 d6 5. d3 Ne7 6. e3 Nbc6 7. Nge2 h5 8. h4 Bg4 9. Rb1 a5 10. a3 Qd7 11. b4 axb4 12. axb4 Nd8 13. Bb2 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.10"]
[Round "14"]
[White "Guimard, Carlos Enrique"]
[Black "Pachman, Ludek"]
[Result "0-1"]
[ECO "D38"]
[EventDate "1962.03.22"]
[PlyCount "84"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 h6 5. Bh4 Bb4+ 6. Nc3 dxc4 7. Qa4+ Nc6 8. a3 Bxc3+ 9. bxc3 Qd5 10. Bxf6 gxf6 11. Qc2 f5 12. g3 b6 13. Bg2 Bb7 14. O-O O-O-O 15. a4 Na5 16. Rfe1 c5 17. e4 fxe4 18. Ne5 f5 19. Nf7 cxd4 20. cxd4 Nb3 21. Rab1 Nxd4 22. Qc3 Rhf8 23. Nxd8 Rxd8 24. Rbc1 Kb8 25. Qe3 h5 26. Qf4+ e5 27. Qg5 Rc8 28. Rc3 Qa5 29. Rcc1 c3 30. Qxh5 c2 31. h4 Qd2 32. Qg5 Ne2+ 33. Kh2 Qxg5 34. hxg5 Nxc1 35. Rxc1 Rg8 36. Rxc2 Rxg5 37. a5 f4 38. axb6 axb6 39. Rb2 Rg6 40. Rb4 e3 41. Bxb7 Kxb7 42. fxe3 fxg3+ 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.10"]
[Round "14"]
[White "Parma, Bruno"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "C98"]
[EventDate "1962.03.22"]
[PlyCount "44"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5 dxc5 14. Nf1 Bd6 15. Ne3 Ne7 16. Nh2 Be6 17. Qf3 Qb7 18. Nhg4 Ne8 19. Qg3 f6 20. Nh6+ Kh8 21. Nhf5 Nxf5 22. Nxf5 Rd8 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.10"]
[Round "14"]
[White "Penrose, Jonathan"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[ECO "B84"]
[EventDate "1962.03.22"]
[PlyCount "46"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Qc7 8. f4 Be7 9. Be3 O-O 10. Qe1 b5 11. Bf3 Bb7 12. e5 dxe5 13. fxe5 Nfd7 14. Qg3 Kh8 15. Bxb7 Qxb7 16. Rae1 Nc6 17. Nf3 Nb4 18. Rf2 f5 19. exf6 Bxf6 20. Ng5 Bxg5 21. Bxg5 Rxf2 22. Qxf2 Rf8 23. Qd2 Qb6+ 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.10"]
[Round "14"]
[White "Pilnik, Herman"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[ECO "B43"]
[EventDate "1962.03.22"]
[PlyCount "31"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. O-O Be7 9. Nde2 O-O 10. h3 Rd8 11. Nf4 b5 12. Re1 d6 13. g4 Bb7 14. g5 Nd7 15. a3 Rac8 16. h4 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.10"]
[Round "14"]
[White "Rossetto, Hector Decio"]
[Black "Eliskases, Erich"]
[Result "1-0"]
[ECO "A03"]
[EventDate "1962.03.22"]
[PlyCount "63"]

1. d3 d5 2. g3 g6 3. Bg2 Bg7 4. f4 c6 5. Nf3 Qb6 6. c3 Nf6 7. a4 Ng4 8. d4 a5 9. h3 Nf6 10. Nbd2 Nh5 11. Nf1 f5 12. Qd3 Nf6 13. Ne5 Ne4 14. h4 Bxe5 15. fxe5 h5 16. Bxe4 fxe4 17. Qe3 Bf5 18. Qg5 c5 19. dxc5 Qe6 20. Be3 Nc6 21. Bd4 O-O-O 22. Ne3 Bh3 23. O-O-O Rd7 24. Rxh3 Nxd4 25. Rxd4 Qxh3 26. Nxd5 Kb8 27. e6 Rdd8 28. Qe5+ Ka7 29. c6 Qf1+ 30. Rd1 Qxe2 31. Qd4+ Ka8 32. c7 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.10"]
[Round "14"]
[White "Sanguineti, Raul"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "D78"]
[EventDate "1962.03.22"]
[PlyCount "37"]

1. g3 Nf6 2. Bg2 d5 3. Nf3 g6 4. c4 c6 5. b3 Bg7 6. Bb2 O-O 7. O-O b6 8. d4 Bb7 9. Nbd2 Nbd7 10. Rc1 Rc8 11. cxd5 cxd5 12. Rxc8 Qxc8 13. Qb1 Qb8 14. Ba3 Re8 15. Rc1 e6 16. e3 Rc8 17. Bf1 a6 18. Bd3 Ne8 19. h4 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.12"]
[Round "15"]
[White "Eliskases, Erich"]
[Black "Bielicki, Carlos"]
[Result "1-0"]
[ECO "A37"]
[EventDate "1962.03.22"]
[PlyCount "81"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c4 e6 6. Nc3 Nge7 7. d3 O-O 8. Bd2 h6 9. Rb1 e5 10. a3 a5 11. Ne1 d6 12. Nc2 a4 13. Ne3 Nd4 14. Ned5 Nxd5 15. Nxd5 Bd7 16. e3 Nb3 17. Bc3 b5 18. f4 Rb8 19. Qc2 f5 20. fxe5 dxe5 21. e4 bxc4 22. dxc4 Nd4 23. Bxd4 exd4 24. exf5 Bxf5 25. Be4 Bxe4 26. Qxe4 Rxf1+ 27. Rxf1 Qd6 28. Nf6+ Qxf6 29. Rxf6 Bxf6 30. Qxg6+ Bg7 31. Qd6 Rxb2 32. Qxc5 Rb3 33. Qd5+ Kh7 34. Qe4+ Kh8 35. Qe8+ Kh7 36. Qxa4 Re3 37. c5 Rc3 38. c6 d3 39. Qe4+ Kh8 40. Qd5 Rc1+ 41. Kg2 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.12"]
[Round "15"]
[White "Letelier Martner, Rene"]
[Black "Guimard, Carlos Enrique"]
[Result "1/2-1/2"]
[ECO "C13"]
[EventDate "1962.03.22"]
[PlyCount "104"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Nf3 Be7 7. Bxf6 Nxf6 8. Bd3 Nxe4 9. Bxe4 c5 10. c3 cxd4 11. Qxd4 Qxd4 12. Nxd4 O-O 13. O-O-O a6 14. f4 Rb8 15. g3 g5 16. Nf3 gxf4 17. gxf4 Bc5 18. Rhe1 Bb6 19. Ne5 f6 20. Nd7 Bxd7 21. Rxd7 Rf7 22. Rd6 Bc7 23. Rxe6 Bxf4+ 24. Kc2 Rd8 25. Re2 Kf8 26. c4 Be5 27. Bd5 Rc7 28. Kd3 Rdd7 29. Rf2 Kg7 30. b3 Kg6 31. Ke4 h5 32. Rg2+ Kh7 33. Rb6 Re7 34. Kf5 Bd4 35. Re6 b6 36. h3 a5 37. Be4 Kh8 38. Rd2 Bc3 39. Rd3 Rxe6 40. Kxe6 Be5 41. Rf3 Kg7 42. Rf5 Rc8 43. Rxh5 Rh8 44. Rxh8 Kxh8 45. Kf7 Bd4 46. h4 Bb2 47. h5 Bc3 48. h6 Bb2 49. Bf5 Bc3 50. h7 Bb2 51. Ke6 Kg7 52. Kd5 Ba3 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.12"]
[Round "15"]
[White "Najdorf, Miguel"]
[Black "Byrne, Donald"]
[Result "0-1"]
[ECO "E61"]
[EventDate "1962.03.22"]
[PlyCount "164"]

1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. d4 d6 8. O-O Bf5 9. h3 Qc8 10. Kh2 h5 11. d5 Na5 12. e4 Bd7 13. b3 a6 14. a4 Ne8 15. Bg5 Qd8 16. Rb1 b6 17. Qd2 Kh7 18. Be3 Nc7 19. f4 b5 20. Qd3 Rb8 21. e5 bxc4 22. bxc4 Rb4 23. Rxb4 cxb4 24. Ne4 Bf5 25. Bd2 Nb7 26. Bxb4 a5 27. Ba3 Na6 28. Nd4 Nbc5 29. Qe2 Bxe4 30. Bxe4 Nxe4 31. Qxe4 Qb6 32. f5 dxe5 33. fxg6+ fxg6 34. Rxf8 Bxf8 35. Ne6 Bh6 36. Qf3 Qb1 37. Qf7+ Kh8 38. Qe8+ Kh7 39. Qxe7+ Kg8 40. Qe8+ Kh7 41. Qf7+ Kh8 42. Qf2 Nb4 43. h4 Kg8 44. Qe2 Kf7 45. Nc5 Qc2 46. Qxc2 Nxc2 47. Bb2 Ne3 48. Nd7 Bg7 49. Nb6 Bf8 50. Bc1 Ng4+ 51. Kg2 Ke8 52. Bd2 Bb4 53. Bxb4 axb4 54. a5 b3 55. a6 b2 56. a7 b1=Q 57. a8=Q+ Kf7 58. Qa7+ Kg8 59. Nc8 Qc2+ 60. Kg1 Kh8 61. Qf7 Qh2+ 62. Kf1 Qh1+ 63. Ke2 Qe4+ 64. Kd2 Qd4+ 65. Ke1 Qc3+ 66. Kd1 Qd3+ 67. Ke1 Qc3+ 68. Kd1 Qd3+ 69. Ke1 Qb1+ 70. Kd2 Qb2+ 71. Kd1 Qb1+ 72. Kd2 Qb4+ 73. Kc1 Qxc4+ 74. Kb2 Qxc8 75. Qxg6 Qb7+ 76. Kc3 Qc7+ 77. Kb4 Qh7 78. Qe8+ Kg7 79. Qe7+ Kg6 80. Qe6+ Nf6 81. Qxe5 Qe7+ 82. Qxe7 Nxd5+ 0-1

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.12"]
[Round "15"]
[White "Pachman, Ludek"]
[Black "Penrose, Jonathan"]
[Result "1-0"]
[ECO "E81"]
[EventDate "1962.03.22"]
[PlyCount "43"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Bd3 c6 8. Nge2 e5 9. O-O exd4 10. Bxd4 Ne5 11. h3 Be6 12. b3 Ne8 13. f4 c5 14. Bf2 Nxd3 15. Qxd3 f5 16. Rad1 Qf6 17. Rfe1 h6 18. e5 dxe5 19. fxe5 Qg5 20. Bxc5 Rf7 21. Nd4 Nc7 22. Ndb5 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.12"]
[Round "15"]
[White "Panno, Oscar"]
[Black "Pilnik, Herman"]
[Result "1/2-1/2"]
[ECO "D55"]
[EventDate "1962.03.22"]
[PlyCount "173"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bg5 O-O 6. e3 Ne4 7. Bxe7 Qxe7 8. cxd5 Nxc3 9. bxc3 exd5 10. Qb3 Rd8 11. c4 dxc4 12. Bxc4 Nc6 13. Be2 Bf5 14. O-O Be4 15. Rfc1 Rd6 16. Nd2 Bd5 17. Qd1 Re8 18. Bf3 Bxf3 19. Nxf3 a6 20. Rab1 Nd8 21. Qa4 c6 22. Qb3 Rd5 23. a4 Qe6 24. Qb6 f6 25. Re1 Rd7 26. h3 Qf7 27. Qc5 Rde7 28. Qf5 Qc4 29. Qa5 Qf7 30. Qc3 Kh8 31. Nd2 Qg6 32. Rec1 Nf7 33. Qc2 f5 34. Nf3 Qf6 35. Re1 g5 36. Qb2 g4 37. hxg4 fxg4 38. Ne5 Nxe5 39. dxe5 Qg7 40. Rec1 g3 41. fxg3 Qxg3 42. Qd4 Rg7 43. Rc2 Qxe5 44. Rf2 Qxd4 45. exd4 Rd8 46. Rf4 Kg8 47. Kf2 Rd5 48. g4 Ra5 49. Rb4 Rag5 50. Kf3 Re7 51. Rb1 Ra5 52. Rb4 Kg7 53. Re4 Rf7+ 54. Rf4 Rd7 55. Re4 Rad5 56. Ke3 b5 57. Rb1 R5d6 58. Rb2 Kf8 59. Kd3 Re7 60. Rf2+ Rf7 61. Rh2 c5 62. axb5 axb5 63. Rb2 c4+ 64. Kc3 Rf3+ 65. Kb4 Rd5 66. Re5 c3 67. Rc2 Rxd4+ 68. Kxb5 Rxg4 69. Rc5 Rgg3 70. Kb4 Kg7 71. R2xc3 Kg6 72. Rxf3 Rxf3 73. Kc4 h5 74. Kd4 h4 75. Ke4 Rf1 76. Rc8 Kh5 77. Rg8 Kh6 78. Ke3 Kh5 79. Ke2 Rf6 80. Ke1 h3 81. Rh8+ Kg4 82. Ke2 Kg3 83. Rg8+ Kh2 84. Rg7 Ra6 85. Rg8 Ra2+ 86. Kf1 Rg2 87. Rf8 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.12"]
[Round "15"]
[White "Polugaevsky, Lev"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "E11"]
[EventDate "1962.03.22"]
[PlyCount "40"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 O-O 8. O-O d6 9. Qc2 e5 10. d5 Nb8 11. e4 c6 12. Rac1 cxd5 13. cxd5 Na6 14. a3 Bd7 15. b4 Rfc8 16. Qb3 Qd8 17. Rfe1 Rxc1 18. Rxc1 Rc8 19. Rc3 Rxc3 20. Qxc3 Qc7 1/2-1/2

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.12"]
[Round "15"]
[White "Smyslov, Vassily"]
[Black "Sanguineti, Raul"]
[Result "1-0"]
[ECO "A37"]
[EventDate "1962.03.22"]
[PlyCount "57"]

1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. Nf3 e6 6. b3 Nge7 7. Bb2 O-O 8. O-O d6 9. e3 e5 10. d3 h6 11. Qd2 Bg4 12. h3 Be6 13. Rad1 Qd7 14. Kh2 d5 15. cxd5 Nxd5 16. Na4 b6 17. d4 cxd4 18. exd4 exd4 19. Nxd4 Nxd4 20. Bxd4 Bxd4 21. Qxd4 Rad8 22. Qh4 Qe7 23. Qxh6 b5 24. Rd4 Qf6 25. Rh4 Qg7 26. Qxg7+ Kxg7 27. Nc5 Nc3 28. Rc1 Nxa2 29. Rc2 1-0

[Event "20th Mar del Plata it"]
[Site "Mar del Plata ARG"]
[Date "1962.04.12"]
[Round "15"]
[White "Szabo, Laszlo"]
[Black "Rossetto, Hector Decio"]
[Result "1/2-1/2"]
[ECO "D36"]
[EventDate "1962.03.22"]
[PlyCount "34"]

1. c4 e6 2. Nf3 Nf6 3. Nc3 d5 4. d4 Be7 5. cxd5 exd5 6. Bg5 c6 7. Qc2 Na6 8. a3 Nc7 9. e3 Ne6 10. Bh4 g6 11. Bd3 Ng7 12. O-O Bf5 13. b4 a6 14. Na4 Bxd3 15. Qxd3 Ne4 16. Bxe7 Qxe7 17. Nd2 Nd6 1/2-1/2
