[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.02"]
[Round "1"]
[White "Keres, Paul"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[ECO "B18"]
[PlyCount "59"]
[EventDate "1963.07.02"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. N1e2 Nf6 8.
Nf4 Bd6 9. Bb3 Nbd7 10. Qf3 Qc7 11. h4 O-O-O 12. h5 Bf5 13. Nxf5 Qa5+ 14. c3
Qxf5 15. Qd3 Qxd3 16. Nxd3 h6 17. Rh4 Rhe8 18. Be3 Nd5 19. O-O-O Nxe3 20. fxe3
Nf6 21. Rf1 Re7 22. Nf2 Bg3 23. Rh3 Bd6 24. Bc2 e5 25. Nd3 exd4 26. exd4 Re2
27. g4 Rde8 28. Bd1 R2e3 29. Rxe3 Rxe3 30. Rf3 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.02"]
[Round "1"]
[White "Najdorf, Miguel"]
[Black "Panno, Oscar"]
[Result "1-0"]
[ECO "A56"]
[PlyCount "73"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Nf3 Bg7 7. h3 Na6 8. Bg5 Bd7
9. Nd2 Qe7 10. Be2 h6 11. Bh4 g5 12. Bg3 h5 13. Nf1 h4 14. Bh2 g4 15. hxg4 Bh6
16. f3 O-O-O 17. Bg1 Rh7 18. Be3 Bxe3 19. Nxe3 Rdh8 20. Rh3 Rg7 21. Qd2 Nh7 22.
O-O-O Ng5 23. Rh2 Rgh7 24. Rdh1 Nc7 25. Qe1 h3 26. g3 f6 27. Qf1 Rh6 28. Bd3
Qh7 29. f4 Nf7 30. Qf3 Qg8 31. Bf1 Rg6 32. Rxh3 Rxh3 33. Bxh3 Ne8 34. Nf5 Bxf5
35. exf5 Rg7 36. g5 exf4 37. gxf4 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.02"]
[Round "1"]
[White "Olafsson, Fridrik"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "B93"]
[PlyCount "64"]
[EventDate "1963.07.02"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. Bd3 g6 8. Nf3
Nbd7 9. O-O Bg7 10. Qe1 e5 11. a4 O-O 12. Kh1 b6 13. Qh4 Bb7 14. Bd2 Rae8 15.
Rae1 Qc5 16. fxe5 dxe5 17. b3 Nh5 18. Bc4 Ndf6 19. Qf2 Qc7 20. Qg1 Rb8 21. Be3
Ba8 22. Bc1 Rfd8 23. Ng5 Rd7 24. Rd1 h6 25. Rxd7 Qxd7 26. Nxf7 Kh7 27. Nxe5 Qe8
28. Nf3 Nxe4 29. Nxe4 Qxe4 30. Bd3 Qg4 31. Qe3 Rf8 32. Ba3 Rf4 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.02"]
[Round "1"]
[White "Reshevsky, Samuel Herman"]
[Black "Benko, Pal"]
[Result "1-0"]
[ECO "E64"]
[PlyCount "81"]
[EventDate "1963.07.02"]

1. c4 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 c5 5. d5 d6 6. Nc3 a6 7. a4 O-O 8. Nf3 e5
9. O-O Ne8 10. e4 Bg4 11. Qb3 Bxf3 12. Bxf3 Nd7 13. Bg2 a5 14. Nb5 Ra6 15. Bd2
Nc7 16. Ra3 Nxb5 17. Qxb5 Ra7 18. Bh3 Nf6 19. f3 Qc7 20. Rb3 Rb8 21. Qb6 Qxb6
22. Rxb6 Bf8 23. Ra1 Be7 24. Ra3 Bd8 25. Rxd6 Ne8 26. Rd7 Nf6 27. Rd6 Ne8 28.
Rd7 Nf6 29. Rxd8+ Rxd8 30. Bc3 Nd7 31. Rb3 f6 32. Rb5 Kf7 33. b3 Ke7 34. Bxa5
b6 35. Bxb6 Nxb6 36. Rxb6 Rd6 37. Rb5 Rc7 38. Kf2 Ra6 39. Ke3 Kd6 40. Kd3 Rca7
41. Bc8 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.03"]
[Round "2"]
[White "Benko, Pal"]
[Black "Keres, Paul"]
[Result "0-1"]
[ECO "E15"]
[PlyCount "84"]
[EventDate "1963.07.02"]

1. c4 Nf6 2. Nf3 e6 3. d4 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 Bb7 7. Bg2 O-O 8. O-O
Ne4 9. Nxe4 Bxe4 10. Rd1 Qc8 11. Ne1 Bxg2 12. Nxg2 c5 13. d5 exd5 14. Rxd5 Nc6
15. Bd2 Bf6 16. Bc3 Bxc3 17. bxc3 Re8 18. Ne3 Rxe3 19. fxe3 Qe8 20. Qc2 Qxe3+
21. Kh1 Ne5 22. Rf1 Re8 23. Rf4 f6 24. Qe4 Ng6 25. Qxe3 Rxe3 26. Rxd7 Nxf4 27.
gxf4 Rxe2 28. Rxa7 Rf2 29. Rb7 Rxf4 30. Rxb6 Rxc4 31. Rb3 Kf7 32. Kg2 g5 33.
Kf3 Ke6 34. Ra3 h5 35. Ke2 Rh4 36. Ra6+ Ke5 37. a4 c4 38. Rc6 Rxh2+ 39. Ke3
Rh3+ 40. Kd2 Rd3+ 41. Kc2 h4 42. Rxc4 Rd8 0-1

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.03"]
[Round "2"]
[White "Gligoric, Svetozar"]
[Black "Petrosian, Tigran"]
[Result "1-0"]
[ECO "C95"]
[PlyCount "85"]
[EventDate "1963.07.02"]

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 Nb8 10. d4 Nbd7 11. c4 c6 12. c5 Qc7 13. cxd6 Bxd6 14. Bg5 exd4 15.
Bxf6 gxf6 16. Nxd4 Nc5 17. Nf5 Bxf5 18. exf5 Rad8 19. Qh5 Be5 20. Nc3 Rd4 21.
Re3 Bf4 22. Re2 Bd2 23. Nd1 Bg5 24. g3 Qd6 25. Ne3 Bxe3 26. Rxe3 Kg7 27. Bc2
Qd5 28. a3 Rd2 29. Qg4+ Kh8 30. Rd1 Rxd1+ 31. Qxd1 Qxd1+ 32. Bxd1 Rd8 33. Bf3
Rd3 34. Re8+ Kg7 35. Bxc6 Rb3 36. Re7 Rxb2 37. Bd5 Kh6 38. Bxf7 Kg5 39. Be6
Nxe6 40. fxe6 Kf5 41. Rxh7 Kxe6 42. Ra7 Ra2 43. Rxa6+ 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.03"]
[Round "2"]
[White "Olafsson, Fridrik"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "E19"]
[PlyCount "32"]
[EventDate "1963.07.02"]

1. c4 Nf6 2. d4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2
Nxc3 9. Qxc3 Be4 10. Bf4 c6 11. Rac1 Na6 12. Rfd1 f5 13. Ne5 Bxg2 14. Kxg2 g5
15. Bd2 Qe8 16. Qf3 Rc8 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.03"]
[Round "2"]
[White "Panno, Oscar"]
[Black "Reshevsky, Samuel Herman"]
[Result "1-0"]
[ECO "E88"]
[PlyCount "125"]
[EventDate "1963.07.02"]

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 Ne8 11. Bd3 Nd7 12. Kb1 b5 13. Rc1 Nc5 14. Bc2 Rb8 15. b4
Nd7 16. Nge2 Nb6 17. Bd3 f5 18. a3 Nf6 19. h3 Bd7 20. Ka2 fxe4 21. fxe4 Nc4 22.
Bxc4 bxc4 23. Rb1 Nh5 24. Rhc1 Qe7 25. Rc2 Rf7 26. a4 Nf4 27. Nc1 Qe8 28. Ka3
Bf6 29. Rcb2 Bd8 30. b5 axb5 31. Nxb5 Ra8 32. Qc2 Ba5 33. Qxc4 Rc8 34. Qb3 Nxg2
35. Rxg2 Rf3 36. Re2 Rxh3 37. Na2 Bg4 38. Ree1 Bxe1 39. Rxe1 Bd7 40. Nac3 Qf8
41. Qb4 Qf6 42. Kb3 Qh4 43. Re2 Bg4 44. Qxd6 Qg3 45. Kb4 Rxc3 46. Qd8+ Kg7 47.
Qe7+ Kg8 48. Qe8+ Kg7 49. Rf2 Bf5 50. Qe7+ Kg8 51. Qe8+ Kg7 52. Qe7+ Kg8 53.
Nd6 Rb3+ 54. Ka5 Rb8 55. Qf7+ Kh8 56. Qf6+ Kg8 57. Qf7+ Kh8 58. Ne8 Ra8+ 59.
Kb5 Rxe8 60. Qxe8+ Kg7 61. Qe7+ Kg8 62. Bc5 Qb3+ 63. Bb4 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.07"]
[Round "3"]
[White "Keres, Paul"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "E76"]
[PlyCount "81"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Bd3 e6 8. Nge2
exd5 9. exd5 Nh5 10. O-O f5 11. Bd2 Re8 12. Qc2 Nd7 13. h3 Nf8 14. Rae1 Bd7 15.
Kh2 a6 16. a3 Nf6 17. Ng1 Qc7 18. Nf3 b5 19. Rxe8 Rxe8 20. Re1 Rb8 21. Nd1 bxc4
22. Bxc4 Bb5 23. Bc1 Qb7 24. Ba2 h6 25. Ne3 Qd7 26. Nc4 Kh8 27. Qd1 Ne4 28.
Nfd2 Nf6 29. Qf3 Re8 30. Rxe8 Nxe8 31. Nf1 Qe7 32. Bd2 Nh7 33. b4 cxb4 34. Bxb4
Nhf6 35. Nfd2 Kh7 36. Bb3 Bf8 37. a4 Bxc4 38. Bxc4 Qb7 39. Ba5 Nc7 40. Nf1 Bg7
41. Ne3 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.07"]
[Round "3"]
[White "Najdorf, Miguel"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "E89"]
[PlyCount "63"]
[EventDate "1963.07.02"]

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 Na6 10. Nge2 Bd7 11. Nc1 Nc5 12. Nd3 Nxd3+ 13. Bxd3 a6 14. O-O-O Nh5
15. Kb1 f5 16. Rc1 Rc8 17. Bc2 Nf6 18. h3 f4 19. Bf2 Qa5 20. Bd3 g5 21. Rc2 h5
22. Rhc1 g4 23. hxg4 hxg4 24. Ne2 Qxd2 25. Rxd2 Nh7 26. Rdc2 Rxc2 27. Rxc2 Rc8
28. Rxc8+ Bxc8 29. Kc2 gxf3 30. gxf3 Ng5 31. Ng1 Bf6 32. Bb6 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.07"]
[Round "3"]
[White "Petrosian, Tigran"]
[Black "Benko, Pal"]
[Result "1-0"]
[ECO "D81"]
[PlyCount "85"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 dxc4 5. Qxc4 Be6 6. Qb5+ Nc6 7. Nf3 Nd5 8.
e4 Ndb4 9. Qa4 Bd7 10. Qd1 e5 11. a3 exd4 12. Nb1 Na6 13. b4 Naxb4 14. axb4
Bxb4+ 15. Bd2 Qe7 16. Bd3 Bxd2+ 17. Nbxd2 Nb4 18. Qe2 c5 19. O-O O-O 20. e5 Kg7
21. Ne4 Bc6 22. h4 a6 23. Rfc1 b6 24. h5 Rad8 25. Qd2 h6 26. Re1 b5 27. Nd6
Bxf3 28. gxf3 Qg5+ 29. Qxg5 hxg5 30. Be4 gxh5 31. Rec1 f6 32. Nf5+ Kf7 33. Rxc5
fxe5 34. Rb1 Na2 35. Rc7+ Kf6 36. Ra7 Nc3 37. Rxa6+ Kf7 38. Rba1 g4 39. Bc2
gxf3 40. Bb3+ Nd5 41. Re1 Rg8+ 42. Kf1 Rg5 43. Rxe5 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.07"]
[Round "3"]
[White "Reshevsky, Samuel Herman"]
[Black "Olafsson, Fridrik"]
[Result "1/2-1/2"]
[ECO "E47"]
[PlyCount "80"]
[EventDate "1963.07.02"]

1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 cxd4 7. axb4 dxc3 8.
bxc3 d5 9. Qc2 dxc4 10. Bxc4 Qc7 11. Bd3 e5 12. e4 Be6 13. Nf3 Rc8 14. Bb2 Nc6
15. Qe2 Ne7 16. O-O Ng6 17. g3 Bc4 18. Bxc4 Qxc4 19. Qxc4 Rxc4 20. Nd2 Rc7 21.
Rfd1 Rd7 22. Kf1 h5 23. f3 Rad8 24. Ke2 b6 25. h4 Ne8 26. Nc4 Rxd1 27. Rxd1
Rxd1 28. Kxd1 f6 29. Ke2 Kf7 30. Kd3 Ke6 31. Ne3 Ne7 32. c4 Nd6 33. Nd5 Nc6 34.
Bc3 Kd7 35. b5 Nd8 36. f4 Ne6 37. fxe5 Nc5+ 38. Kc2 fxe5 39. Bxe5 Nxc4 40. Bxg7
Nxe4 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.08"]
[Round "4"]
[White "Gligoric, Svetozar"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[ECO "D58"]
[PlyCount "55"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 b6 8. Bd3
Bb7 9. O-O Nbd7 10. Rc1 c5 11. Qe2 Rc8 12. cxd5 Nxd5 13. Bxe7 Qxe7 14. Nxd5
Bxd5 15. Ba6 Rc7 16. a3 Nb8 17. Bd3 Rfc8 18. dxc5 Rxc5 19. Rxc5 Qxc5 20. Nd2
Nd7 21. Ne4 Qc6 22. Bb5 Qc2 23. Nc3 Qxe2 24. Bxe2 Bb3 25. Rc1 Kf8 26. Kf1 a5
27. Ke1 Nc5 28. Bb5 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.08"]
[Round "4"]
[White "Najdorf, Miguel"]
[Black "Reshevsky, Samuel Herman"]
[Result "1-0"]
[ECO "E19"]
[PlyCount "81"]
[EventDate "1963.07.02"]

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 Be4 10. Bf4 c6 11. Rac1 Na6 12. a3 Nc7 13. Rfd1 f5 14. Bf1 Bxf3
15. Qxf3 Bg5 16. Bg2 Rc8 17. Rc3 b5 18. d5 Bxf4 19. Qxf4 bxc4 20. dxc6 d5 21.
Rxc4 Qe7 22. Rc2 Nb5 23. Qe5 Qd6 24. Qxd6 Nxd6 25. b3 Rc7 26. f3 Rfc8 27. e4
Rxc6 28. Rxc6 Rxc6 29. exd5 exd5 30. Rxd5 Kf7 31. Ra5 Rc1+ 32. Bf1 Rc7 33. Kf2
Ke6 34. Be2 g5 35. b4 h5 36. h4 gxh4 37. gxh4 f4 38. Rxh5 Rc2 39. Ke1 Nc4 40.
Bxc4+ Rxc4 41. Rc5 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.08"]
[Round "4"]
[White "Olafsson, Fridrik"]
[Black "Keres, Paul"]
[Result "0-1"]
[ECO "A11"]
[PlyCount "172"]
[EventDate "1963.07.02"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. c4 c6 5. cxd5 cxd5 6. O-O Ngf6 7. Nc3 e6 8.
h3 Bh5 9. d3 Bc5 10. e4 O-O 11. Bf4 Nb6 12. Qe2 Rc8 13. Rac1 a6 14. g4 Bg6 15.
Bg3 Nfd7 16. Nh4 Re8 17. Kh1 d4 18. Nb1 e5 19. Nf5 f6 20. f4 Bxf5 21. gxf5 Bd6
22. fxe5 Bxe5 23. Bf2 Qe7 24. Nd2 Qb4 25. Nf3 Na4 26. Rc2 Rc5 27. Rxc5 Ndxc5
28. Rc1 b6 29. Rc2 Nb7 30. Nxe5 fxe5 31. Rc7 Nd8 32. Qg4 Qf8 33. Bh4 Nc5 34. f6
Nf7 35. Re7 Rxe7 36. fxe7 Qe8 37. Bf6 g6 38. Bf1 a5 39. Be2 Nd6 40. Qg5 Nf7 41.
Qc1 Nd6 42. Qg5 Nf7 43. Qg4 Qc6 44. Qg3 Ne6 45. Bd1 a4 46. Qf2 b5 47. Qc2 Qd7
48. Qd2 Nc7 49. Bg4 Qc6 50. Qe1 Ne8 51. Bh4 h5 52. Be2 Qe6 53. Qg3 Kh7 54. a3
Ng7 55. Kh2 Kh6 56. Qf3 g5 57. Be1 Qxe7 58. Bb4 Qe6 59. Bf8 Kh7 60. Qf1 Qg6 61.
Qf3 h4 62. Qf2 Kg8 63. Be7 Qe6 64. Bb4 Qb3 65. Bf1 Ne6 66. Qf5 Nf4 67. Qc8+ Kh7
68. Qf5+ Kg7 69. Be7 Qe6 70. Qxe6 Nxe6 71. Be2 Nh6 72. Bd1 Kf7 73. Bb4 Nf4 74.
Bd2 Kf6 75. Bxf4 gxf4 76. Kg2 Nf7 77. Kf3 Kg5 78. Kf2 Nd6 79. Bg4 Kf6 80. Bd7
Ke7 81. Bc6 Kd8 82. Kf3 Kc7 83. Bd5 Kb6 84. Kg4 Kc5 85. Kxh4 Nc4 86. Kg4 Ne3+
0-1

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.08"]
[Round "4"]
[White "Panno, Oscar"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[ECO "E11"]
[PlyCount "221"]
[EventDate "1963.07.02"]

1. d4 e6 2. c4 Nf6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Nc3 O-O 6. g3 d6 7. Bg2 e5 8. O-O
Bxc3 9. Bxc3 e4 10. Ne1 d5 11. cxd5 Nxd5 12. Qb3 c6 13. Nc2 Na6 14. Bd2 Re8 15.
Rfe1 Bf5 16. Ne3 Nxe3 17. Bxe3 Be6 18. Qa3 Qxa3 19. bxa3 Bc4 20. Rab1 b5 21.
Rb2 Nc7 22. Bf4 Nd5 23. Bd6 Re6 24. Bc5 Nc3 25. Rc2 Na4 26. Bb4 a5 27. Bd2 Nb6
28. Bh3 Ree8 29. Bf4 Bd5 30. Bd6 Nc4 31. Bc5 e3 32. Bd7 Red8 33. Bf5 Nd6 34.
Bxd6 exf2+ 35. Kxf2 Rxd6 36. Bd3 g6 37. e4 Be6 38. d5 cxd5 39. exd5 Bxd5 40.
Bxb5 Be6 41. Ba4 Bf5 42. Rb2 Kg7 43. Re7 Rf6 44. Ke3 Rd8 45. Rbb7 g5 46. Bb3
Bg6 47. Rbd7 Rxd7 48. Rxd7 Rf5 49. Ra7 g4 50. a4 h5 51. Bc4 Rf3+ 52. Kd4 h4 53.
gxh4 Rh3 54. Rxa5 Rxh4 55. Kc3 Rxh2 56. Re5 Kf6 57. Re1 Rh5 58. Rg1 Rg5 59. Kd4
g3 60. Bd5 Rg4+ 61. Ke3 Ke5 62. Kf3 Bh5 63. Bxf7 Rf4+ 64. Kxg3 Rf3+ 65. Kg2
Rxf7 66. Re1+ Kd4 67. Rb1 Be2 68. Rb3 Bc4 69. Ra3 Kc5 70. Kg3 Kb4 71. Rf3 Rg7+
72. Kf4 Bxa2 73. Ke5 Kxa4 74. Rf2 Bc4 75. Rb2 Bb3 76. Kd4 Kb4 77. Rd2 Rg4+ 78.
Ke3 Kc5 79. Rd8 Bd5 80. Rc8+ Kd6 81. Re8 Rh4 82. Kd3 Bf7 83. Rf8 Be6 84. Rd8+
Ke5 85. Re8 Rh3+ 86. Kd2 Kd5 87. Re7 Bf5 88. Rf7 Ke5 89. Rf8 Be4 90. Rb8 Kd5
91. Ra8 Kd4 92. Ra4+ Ke5 93. Ra5+ Kf4 94. Rc5 Rd3+ 95. Ke2 Rd4 96. Rc3 Ra4 97.
Kd2 Ra2+ 98. Kd1 Bf5 99. Rc5 Bd3 100. Rc8 Ke3 101. Re8+ Kd4 102. Rc8 Bc4 103.
Re8 Bb5 104. Re6 Bd3 105. Re7 Be4 106. Rd7+ Ke3 107. Rc7 Rb2 108. Rc8 Rb1+ 109.
Rc1 Bf3+ 110. Kc2 Rb8 111. Kc3 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.10"]
[Round "5"]
[White "Benko, Pal"]
[Black "Panno, Oscar"]
[Result "1-0"]
[ECO "E76"]
[PlyCount "115"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c6 7. Nf3 Nfd7 8. Be3
e5 9. fxe5 dxe5 10. d5 f5 11. Qb3 Na6 12. O-O-O f4 13. dxc6 bxc6 14. Bf2 Rb8
15. Qa3 Qc7 16. Rd2 Nf6 17. h3 Ne8 18. Rhd1 Bf6 19. c5 Qb7 20. Bc4+ Kg7 21.
Bxa6 Qxa6 22. Rd7+ Rf7 23. Rxf7+ Kxf7 24. Rd7+ Kg8 25. Qxa6 Bxa6 26. Rxa7 Bf1
27. Ne1 f3 28. Nxf3 Bxg2 29. Ng1 Bg5+ 30. Kb1 Nf6 31. Ra4 Bd2 32. Nge2 Bxh3 33.
Bg3 Nd7 34. Ra6 Rc8 35. b4 g5 36. Kc2 Bf4 37. a4 Kf7 38. Ra7 Kg6 39. a5 h5 40.
a6 h4 41. Bf2 Be6 42. Rb7 h3 43. Bg1 g4 44. a7 g3 45. Nxg3 Bxg3 46. b5 cxb5 47.
c6 Bf2 48. cxd7 Bxd7 49. Bxf2 h2 50. Rb8 Rxc3+ 51. Kxc3 h1=Q 52. a8=Q Qc1+ 53.
Kb4 Qc4+ 54. Ka5 Qa2+ 55. Kb6 Qxf2+ 56. Kc7 Qf7 57. Rf8 Qe6 58. Rd8 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.10"]
[Round "5"]
[White "Keres, Paul"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "B43"]
[PlyCount "90"]
[EventDate "1963.07.02"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 b5 6. Bd3 Bb7 7. O-O d6 8. Re1
Nd7 9. a4 bxa4 10. Nxa4 Ngf6 11. Bd2 Be7 12. Nb3 O-O 13. Na5 Qc7 14. Nxb7 Qxb7
15. f4 d5 16. exd5 Qxd5 17. Qe2 Qc6 18. Kh1 Bd6 19. Nc3 Nc5 20. Bc4 Rfb8 21. b3
Bf8 22. Be3 g6 23. Bd4 Bg7 24. Ra5 Nfd7 25. Bxg7 Kxg7 26. Qe3 Qc7 27. Rea1 Rb6
28. h3 Rc8 29. Na4 Nxa4 30. R5xa4 Nc5 31. Ra5 Kg8 32. Rd1 Rd6 33. Rxd6 Qxd6 34.
Be2 Rc6 35. Ra1 Qb8 36. Rd1 Rc8 37. Rd4 a5 38. Qd2 Qb6 39. Bf3 Rb8 40. h4 h5
41. Kh2 Kf8 42. Rc4 Ke7 43. Kg3 Rc8 44. Qe3 Nd7 45. Rd4 Nf6 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.10"]
[Round "5"]
[White "Petrosian, Tigran"]
[Black "Olafsson, Fridrik"]
[Result "1/2-1/2"]
[ECO "B14"]
[PlyCount "78"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 cxd4 7. exd4 Be7 8. c5
Ne4 9. Qc2 Nxc3 10. Qxc3 O-O 11. b4 a6 12. Bf4 f6 13. Rd1 Kh8 14. Be2 Bd7 15.
O-O g5 16. Bc1 b5 17. Ne1 f5 18. f4 g4 19. Be3 Bf6 20. Nc2 Qc7 21. Ra1 Ne7 22.
Bd2 Rfb8 23. Rfb1 Bg7 24. Ra2 Ng8 25. Na1 Nf6 26. Nb3 Ne4 27. Qe3 Bf6 28. Bd3
Bc6 29. Na5 Rc8 30. Be1 Qg7 31. Nb3 h5 32. Rd1 Qh6 33. Na5 Qg7 34. Bxe4 fxe4
35. Nxc6 Rxc6 36. a4 Rb8 37. Bc3 Kh7 38. Rf1 Kg6 39. axb5 Rxb5 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.10"]
[Round "5"]
[White "Reshevsky, Samuel Herman"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "E92"]
[PlyCount "48"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. Be3 exd4 8. Nxd4
Re8 9. f3 c6 10. Qd2 d5 11. exd5 cxd5 12. O-O dxc4 13. Rad1 a6 14. Bxc4 b5 15.
Bb3 Bb7 16. a4 bxa4 17. Bxa4 Nbd7 18. Nb3 Qe7 19. Rfe1 Qb4 20. Qf2 Re5 21. Nc1
Re7 22. Rd4 Qa5 23. Nb3 Qf5 24. Red1 Nf8 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.11"]
[Round "6"]
[White "Gligoric, Svetozar"]
[Black "Panno, Oscar"]
[Result "1-0"]
[ECO "D48"]
[PlyCount "59"]
[EventDate "1963.07.02"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3
a6 9. e4 c5 10. d5 c4 11. dxe6 fxe6 12. Bc2 Qc7 13. Ng5 Qc6 14. O-O e5 15. Nd5
Bc5 16. Ne6 Kf7 17. Nxc5 Nxc5 18. f4 Bg4 19. Qe1 Nxd5 20. fxe5+ Ke8 21. exd5
Qxd5 22. Be3 Nd3 23. Qg3 Be2 24. Rae1 Nxe1 25. Rxe1 Bd3 26. Bd1 g6 27. Bf3 Be4
28. Bxe4 Qxe4 29. e6 Rf8 30. Qc7 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.11"]
[Round "6"]
[White "Najdorf, Miguel"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[ECO "D59"]
[PlyCount "49"]
[EventDate "1963.07.02"]

1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. Bd3
Bb7 9. O-O c5 10. cxd5 Nxd5 11. Bxe7 Qxe7 12. Nxd5 exd5 13. dxc5 bxc5 14. Rc1
Nd7 15. b4 c4 16. Be2 Nf6 17. Rb1 Ne4 18. Qd4 Rfd8 19. Rfc1 Rd6 20. a4 Rf6 21.
Rf1 a6 22. Bd1 Rd8 23. b5 axb5 24. axb5 Nc5 25. Qh4 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.11"]
[Round "6"]
[White "Olafsson, Fridrik"]
[Black "Benko, Pal"]
[Result "1-0"]
[ECO "B48"]
[PlyCount "113"]
[EventDate "1963.07.02"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. a3 Nf6 8. Be2
Bd6 9. Qd2 Nxd4 10. Bxd4 Bf4 11. Qd3 e5 12. Be3 Bxe3 13. fxe3 d6 14. O-O-O Ke7
15. g4 h6 16. h4 Be6 17. g5 hxg5 18. hxg5 Nd7 19. g6 Rxh1 20. Rxh1 Nf6 21. gxf7
Rf8 22. b3 Rc8 23. Kb2 Bxf7 24. Rg1 g6 25. Bg4 Rh8 26. Nd5+ Bxd5 27. exd5 e4
28. Qd2 Kf8 29. Be6 Rh6 30. Qd4 Kg7 31. Rf1 g5 32. Rg1 Rh5 33. Bf5 Qe7 34. Bg4
Rh4 35. Be6 Kg6 36. Qc3 Qg7 37. Kb1 Rh2 38. Qc8 Rf2 39. Qd8 Qh7 40. Qxd6 Qh2
41. Qxh2 Rxh2 42. Rd1 g4 43. d6 Rh8 44. Kb2 Kg5 45. Kc3 Rd8 46. d7 g3 47. Kd2
Ng4 48. Ke2 Nf2 49. Rd5+ Kh4 50. Kf1 Nh3 51. Kg2 Ng5 52. Bf5 Nf3 53. Bxe4 Ne1+
54. Kf1 g2+ 55. Bxg2 Nxc2 56. Kf2 Nxa3 57. Bf3 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.11"]
[Round "6"]
[White "Reshevsky, Samuel Herman"]
[Black "Keres, Paul"]
[Result "1-0"]
[ECO "A23"]
[PlyCount "81"]
[EventDate "1963.07.02"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qb6 7. Nb3 cxd5 8. Bg2
Bf5 9. d3 Bb4 10. O-O Bxc3 11. bxc3 O-O 12. Be3 Qc7 13. Rc1 Nc6 14. c4 Rad8 15.
Nd4 Nxd4 16. Bxd4 exd3 17. cxd5 Qd7 18. Bxf6 dxe2 19. Qxe2 gxf6 20. Qb2 Kg7 21.
Qd4 Bh3 22. Rfd1 Bxg2 23. Kxg2 a6 24. d6 Rc8 25. Qd5 Rc6 26. Rxc6 bxc6 27. Qa5
Ra8 28. Rd4 Ra7 29. Qh5 Qe6 30. Qg4+ Qxg4 31. Rxg4+ Kf8 32. Rc4 Ke8 33. Rxc6
Ra8 34. a4 a5 35. Rb6 Rc8 36. d7+ Kxd7 37. Rxf6 Ke7 38. Rf5 Ra8 39. Rh5 Ke6 40.
Rxh7 Rb8 41. Rh5 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.14"]
[Round "7"]
[White "Benko, Pal"]
[Black "Najdorf, Miguel"]
[Result "1-0"]
[ECO "E92"]
[PlyCount "51"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6
9. Bh4 g5 10. Bg3 Nh5 11. h4 Nf4 12. hxg5 hxg5 13. Bf1 Bg4 14. Qc2 Bxf3 15.
gxf3 Nd7 16. O-O-O Re8 17. Bh3 Nxh3 18. Rxh3 Nf8 19. Rdh1 Ng6 20. Nd1 Rc8 21.
Ne3 Rc7 22. Nf5 Rf8 23. Qd1 f6 24. f4 exf4 25. Qh5 Ne5 26. Qh7+ 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.14"]
[Round "7"]
[White "Keres, Paul"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "C72"]
[PlyCount "58"]
[EventDate "1963.07.02"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c4 Nf6 7. Nc3 Be7 8. d4
Nxd4 9. Nxd4 exd4 10. Bxd7+ Nxd7 11. Qxd4 Bf6 12. Qe3 O-O 13. Bd2 Re8 14. Nd5
c6 15. Nxf6+ Nxf6 16. f3 d5 17. cxd5 cxd5 18. e5 d4 19. Qf4 Nd7 20. Qxd4 Nxe5
21. Bc3 Qxd4+ 22. Bxd4 Rad8 23. Rfd1 Rd5 24. Bc3 Nd3 25. Rd2 Nf4 26. Rxd5 Nxd5
27. Ba5 Re2 28. Re1 Rxe1+ 29. Bxe1 f6 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.14"]
[Round "7"]
[White "Panno, Oscar"]
[Black "Olafsson, Fridrik"]
[Result "1/2-1/2"]
[ECO "D25"]
[PlyCount "42"]
[EventDate "1963.07.02"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Qb3 Bxf3 7. gxf3 Nbd7 8.
Nc3 Be7 9. f4 O-O 10. Be2 c5 11. d5 c4 12. Bxc4 exd5 13. Nxd5 Nxd5 14. Bxd5 Nc5
15. Qc4 Qd7 16. e4 Rac8 17. Be3 Qg4 18. h3 Qg2 19. e5 Qg6 20. Rd1 Rfd8 21. a4
Kf8 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.14"]
[Round "7"]
[White "Petrosian, Tigran"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "E81"]
[PlyCount "76"]
[EventDate "1963.07.02"]

1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Nge2 Nbd7 7. Bg5 c5 8. d5
Ne5 9. Ng3 h6 10. Bd2 h5 11. Be2 e6 12. f4 Neg4 13. h3 Nh6 14. O-O exd5 15.
cxd5 Re8 16. Bf3 Nd7 17. Nge2 Rb8 18. a4 a6 19. Rb1 f5 20. b4 cxb4 21. Rxb4 Nc5
22. e5 Nd3 23. Rd4 dxe5 24. Rxd3 e4 25. Re3 exf3 26. Rxe8+ Qxe8 27. Rxf3 b5 28.
axb5 axb5 29. Qb3 Nf7 30. Re3 Qf8 31. Na2 Nd6 32. Bb4 Qd8 33. Bc3 Nc4 34. Bxg7
Kxg7 35. Qc3+ Kf7 36. Rd3 Qb6+ 37. Kh2 Bd7 38. Ng1 Qf6 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.15"]
[Round "8"]
[White "Benko, Pal"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "E79"]
[PlyCount "82"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4
Nc6 9. Be3 Bg4 10. Bxg4 Nxg4 11. Qxg4 Nxd4 12. Qd1 Nc6 13. Rc1 Qa5 14. a3 f5
15. exf5 Qxf5 16. O-O Kh8 17. b4 Rac8 18. Qd2 b6 19. Nd5 Qf7 20. h3 Rfd8 21.
Rfd1 e6 22. Nc3 e5 23. Nd5 Nd4 24. Bxd4 exd4 25. a4 Re8 26. Re1 Rxe1+ 27. Qxe1
Re8 28. Qd2 Qf5 29. Re1 Re4 30. Rxe4 Qxe4 31. Kf2 h5 32. Qe2 Qf5 33. g4 hxg4
34. hxg4 Qd7 35. Kg3 g5 36. Qe7 gxf4+ 37. Kxf4 Be5+ 38. Kf3 Qxa4 39. Qf8+ Kh7
40. Qf7+ Kh8 41. Qf8+ Kh7 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.15"]
[Round "8"]
[White "Gligoric, Svetozar"]
[Black "Olafsson, Fridrik"]
[Result "0-1"]
[ECO "D75"]
[PlyCount "200"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 O-O 7. O-O c5 8.
dxc5 Na6 9. Ng5 Ndb4 10. Nc3 h6 11. Nf3 Qxd1 12. Rxd1 Be6 13. Ne1 Nxc5 14. Be3
Rac8 15. Nb5 Na4 16. Nxa7 Rcd8 17. a3 Nd5 18. Bd4 Nxb2 19. Bxg7 Kxg7 20. Rdb1
Nc4 21. Rxb7 Nc3 22. e3 Na5 23. Rc7 Nb3 24. Rxc3 Nxa1 25. Nd3 Nb3 26. h4 Na5
27. Nf4 Bc4 28. Nc6 Rd1+ 29. Kh2 Nxc6 30. Bxc6 Ba6 31. Bf3 Rd2 32. Kg2 Rc8 33.
Rxc8 Bxc8 34. Nd5 e6 35. Nb4 Bd7 36. g4 Rb2 37. Nd3 Ra2 38. Ne5 Bb5 39. g5 h5
40. Be4 Rxa3 41. Kg3 Rb3 42. Bc2 Rb2 43. Be4 Ba6 44. Nd7 Bb7 45. Bd3 Rd2 46.
Ne5 Rd1 47. f3 Ra1 48. e4 Kf8 49. Nd7+ Ke7 50. Ne5 Ba6 51. Bxa6 Rxa6 52. Kf2
Ra2+ 53. Kg3 Rc2 54. f4 Re2 55. Kf3 Re1 56. Nc6+ Kf8 57. Ne5 Kg7 58. Nd3 Ra1
59. Ne5 Ra3+ 60. Kf2 Kf8 61. Nf3 Ke7 62. Ke2 Rb3 63. Kf2 Rb2+ 64. Ke3 Rc2 65.
Ne5 Rh2 66. Nf3 Rh3 67. Ke2 Kd6 68. Ne5 Rxh4 69. Nxf7+ Kc5 70. Ne5 Rh2+ 71. Kf3
Rh3+ 72. Kg2 Re3 73. Nxg6 Rxe4 74. Kg3 Re1 75. Ne5 Kd6 76. Nf7+ Ke7 77. Ne5 Kf8
78. Kh4 Rh1+ 79. Kg3 Kg7 80. Nf3 Rf1 81. Ne5 Re1 82. Kf3 Ra1 83. Kg3 Ra4 84.
Nf3 Rb4 85. Ne5 h4+ 86. Kxh4 Rxf4+ 87. Kh5 Re4 88. Nd3 Kf7 89. Nf2 Re3 90. Kg4
Kg6 91. Kf4 Ra3 92. Ke5 Rf3 93. Ne4 Re3 94. Kf4 Re1 95. Ke5 Kf7 96. Kf4 Rf1+
97. Ke5 Rf5+ 98. Kd4 Kg6 99. Ke3 Ra5 100. Kf4 e5+ 0-1

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.15"]
[Round "8"]
[White "Panno, Oscar"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "D26"]
[PlyCount "75"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8.
exd4 Be7 9. O-O Nf6 10. a3 O-O 11. Re1 b6 12. b4 Bb7 13. Bb2 Rc8 14. Ba2 Rc7
15. Qe2 Re8 16. Rad1 Bf8 17. Ne5 Qc8 18. Bb3 a5 19. Nb5 Ba6 20. bxa5 Nxa5 21.
Ba4 Qb7 22. Qd2 Rcc8 23. Rc1 Red8 24. Rxc8 Rxc8 25. Rc1 Bxb5 26. Rxc8 Bxa4 27.
Rxf8+ Kxf8 28. Qb4+ Kg8 29. Qxa4 Qe4 30. Qd1 Nd5 31. g3 f6 32. Qa4 Kf8 33. Nd7+
Kf7 34. Qb5 Kg6 35. Nf8+ Kf7 36. Nd7 Kg6 37. Nf8+ Kf7 38. Nd7 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.15"]
[Round "8"]
[White "Petrosian, Tigran"]
[Black "Keres, Paul"]
[Result "1/2-1/2"]
[ECO "A28"]
[PlyCount "46"]
[EventDate "1963.07.02"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Be7 5. a3 d6 6. Qc2 O-O 7. Be2 Re8 8. O-O
Bg4 9. d3 Bf8 10. b3 d5 11. cxd5 Nxd5 12. Bb2 Nxc3 13. Bxc3 Qd5 14. b4 Rad8 15.
Rfd1 a6 16. Rac1 Rd6 17. Rd2 Rh6 18. Qd1 Bd6 19. e4 Qe6 20. Ne1 Bxe2 21. Rxe2
Be7 22. Rb2 Rd8 23. a4 Qd7 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.17"]
[Round "9"]
[White "Keres, Paul"]
[Black "Benko, Pal"]
[Result "1-0"]
[ECO "C07"]
[PlyCount "81"]
[EventDate "1963.07.02"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. exd5 Qxd5 6. Bc4 Qd6 7. O-O Nf6 8.
Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Be7 12. c3 e5 13. Nf3 Qxd1 14. Rxd1
e4 15. Ne5 Rf8 16. Be3 Nd7 17. Nxd7 Bxd7 18. Bd4 g6 19. b4 Rc8 20. Bb3 f5 21.
Bg7 Rf6 22. Bxf6 Bxf6 23. Rac1 Rxc3 24. Bd5 b6 25. Bg8 Rxc1 26. Rxc1 Be5 27.
Bc4 Bd6 28. Rb1 Bc8 29. a3 a5 30. bxa5 bxa5 31. a4 Bb4 32. Bb5+ Kd8 33. Rd1+
Kc7 34. Rc1+ Kd8 35. Rc6 Bb7 36. Re6 Be7 37. g3 Bc5 38. Re8+ Kc7 39. Rh8 h5 40.
Rh7+ Kb8 41. Rh8+ 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.17"]
[Round "9"]
[White "Najdorf, Miguel"]
[Black "Olafsson, Fridrik"]
[Result "0-1"]
[ECO "E54"]
[PlyCount "82"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4
b6 9. Qe2 Bb7 10. Rd1 Qc8 11. Nb5 cxd4 12. Nbxd4 Nc6 13. a3 Nxd4 14. Nxd4 Be7
15. b4 a5 16. b5 e5 17. Nf3 Bxf3 18. gxf3 e4 19. fxe4 Nxe4 20. Bb2 Bf6 21. Bxf6
Nxf6 22. Rd6 Rb8 23. Rc6 Qf5 24. Rd1 Rbd8 25. Bd3 Qh3 26. f3 Rfe8 27. Bc2 Rxd1+
28. Bxd1 Nd5 29. Rd6 Nc3 30. Qd3 Nxd1 31. Qxd1 Qf5 32. Rd5 Qf6 33. e4 h6 34.
Kh1 Rc8 35. Rd6 Qg5 36. Rc6 Rd8 37. Qg1 Qxb5 38. Rxb6 Qe2 39. Rb1 Qxf3+ 40. Qg2
Rd1+ 41. Rxd1 Qxd1+ 0-1

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.17"]
[Round "9"]
[White "Petrosian, Tigran"]
[Black "Gligoric, Svetozar"]
[Result "1-0"]
[ECO "A65"]
[PlyCount "95"]
[EventDate "1963.07.02"]

1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Nge2 c5 7. d5 e6 8. Bg5 h6
9. Be3 exd5 10. cxd5 b6 11. g4 h5 12. g5 Nfd7 13. f4 Ba6 14. a4 Bc4 15. Bh3 Re8
16. O-O Na6 17. e5 Nxe5 18. fxe5 Bxe5 19. Rf3 Nc7 20. Qd2 Qe7 21. Bg2 a6 22.
Rb1 b5 23. axb5 axb5 24. b3 Bxe2 25. Nxe2 b4 26. Rbf1 Ra1 27. Nc1 Nb5 28. Rxf7
Qxf7 29. Rxf7 Kxf7 30. Bf1 Nd4 31. Kg2 Nf5 32. Bd3 Kg7 33. Bxf5 gxf5 34. Qd3
Rf8 35. Bd2 f4 36. Kf3 Ra7 37. Qe4 Ra3 38. Qc4 Ra7 39. Qc2 Re7 40. Nd3 Bd4 41.
Qc4 Be3 42. Bxe3 Rxe3+ 43. Kf2 Rh3 44. Kg1 Rf5 45. Qe4 Rxg5+ 46. Kf1 Rg6 47.
Nxf4 Rf6 48. Kg2 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.17"]
[Round "9"]
[White "Reshevsky, Samuel Herman"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "D40"]
[PlyCount "35"]
[EventDate "1963.07.02"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 c5 4. e3 d5 5. d4 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2
cxd4 9. exd4 Ne4 10. Qc2 Nxc3 11. Qxc3 Be7 12. Ne5 Qb6 13. Nxc6 bxc6 14. O-O
O-O 15. Bf4 Bf5 16. Rac1 Rfc8 17. Qd2 a5 18. Rc3 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.18"]
[Round "10"]
[White "Benko, Pal"]
[Black "Petrosian, Tigran"]
[Result "0-1"]
[ECO "D55"]
[PlyCount "110"]
[EventDate "1963.07.02"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. Bg5 O-O 6. e3 b6 7. Rc1 Bb7 8. cxd5
exd5 9. Bxf6 Bxf6 10. Be2 Qe7 11. O-O Rd8 12. Qc2 Nd7 13. Rfd1 g6 14. Qb1 c6
15. b4 a5 16. a3 b5 17. Qb3 Nb6 18. Ra1 Ra7 19. Ra2 Rda8 20. Rda1 Bc8 21. Bd3
Bg4 22. Nd2 Bg7 23. h3 Be6 24. Qc2 axb4 25. axb4 Rxa2 26. Nxa2 Nc4 27. Nb3 Qg5
28. Kf1 Bf8 29. Qc1 Bf5 30. Bxf5 Qxf5 31. Qc3 Ra4 32. Kg1 Qc8 33. Nac1 Bxb4 34.
Qd3 Bd6 35. Rb1 h5 36. Qe2 Qf5 37. Nd3 Ra3 38. Nbc1 Kg7 39. Nb3 h4 40. Nbc1 Qe4
41. Qc2 Bc7 42. Nb3 Bd6 43. Ra1 Nxe3 44. fxe3 Qxe3+ 45. Kh1 Rxa1+ 46. Nxa1 Qxd4
47. Nb3 Qc4 48. Qb1 Qc3 49. Nbc1 c5 50. Ne2 Qf6 51. Qxb5 c4 52. Ng1 cxd3 53.
Qxd3 Qe5 54. g3 Qxg3 55. Qd4+ Qe5 0-1

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.18"]
[Round "10"]
[White "Gligoric, Svetozar"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "E54"]
[PlyCount "82"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4
b6 9. Bd3 Bb7 10. a3 cxd4 11. exd4 Be7 12. Re1 Nbd7 13. Bc2 a6 14. Qd3 Re8 15.
Bg5 g6 16. Rad1 Nd5 17. Bc1 Rc8 18. Bb3 N7f6 19. Ne5 b5 20. Ne2 Nd7 21. Qg3
N7f6 22. Qh3 Qb6 23. Bg5 a5 24. Qh4 Qd8 25. Nc1 a4 26. Ba2 Nh5 27. Bxe7 Qxe7
28. Qxe7 Rxe7 29. g3 Nhf6 30. Ncd3 Nb6 31. Rc1 Rec7 32. Rc5 Rxc5 33. dxc5 Nbd7
34. Rc1 Nxe5 35. Nxe5 Bd5 36. Bxd5 Nxd5 37. Kf1 f6 38. Nd3 Kf7 39. Nb4 Ke7 40.
Nxd5+ exd5 41. Ke2 Kd7 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.18"]
[Round "10"]
[White "Olafsson, Fridrik"]
[Black "Reshevsky, Samuel Herman"]
[Result "1-0"]
[ECO "E68"]
[PlyCount "75"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. Qc2 e5 8. Rd1
Re8 9. e4 c6 10. Nc3 exd4 11. Nxd4 a5 12. h3 Qe7 13. Bf4 Rd8 14. Rd2 Nc5 15.
Rad1 Ne8 16. Be3 Bd7 17. Re2 Nc7 18. f4 Rac8 19. Bf2 Be8 20. Kh2 Qf8 21. Qd2
N7a6 22. Nf3 f5 23. Bd4 fxe4 24. Bxg7 Qxg7 25. Nxe4 Nxe4 26. Rxe4 d5 27. Rd4
Nb4 28. Ng5 Bf7 29. Nxf7 Qxf7 30. a3 c5 31. Rxd5 Nxd5 32. Bxd5 Rxd5 33. cxd5
Re8 34. d6 Qd7 35. g4 b6 36. Qd5+ Kg7 37. Rd2 Re6 38. Qxe6 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.18"]
[Round "10"]
[White "Panno, Oscar"]
[Black "Keres, Paul"]
[Result "0-1"]
[ECO "E19"]
[PlyCount "84"]
[EventDate "1963.07.02"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d4 Ne4 8. Qc2
Nxc3 9. Qxc3 f5 10. b3 Bf6 11. Bb2 d6 12. Rad1 Nd7 13. Ne1 Bxg2 14. Nxg2 Qe8
15. Qc2 g5 16. d5 Bxb2 17. dxe6 Qxe6 18. Qxb2 Rae8 19. e3 Qh6 20. f4 g4 21. Rd5
Qe6 22. Rfd1 Nf6 23. R5d3 Rf7 24. Qd4 Rd7 25. Nh4 a6 26. Rc1 Kf7 27. Qb2 Red8
28. Qe2 c6 29. Rcd1 a5 30. Qc2 Ne4 31. Rd4 d5 32. cxd5 Rxd5 33. Rxd5 Rxd5 34.
Rxd5 Qxd5 35. Kf1 Ke6 36. Ke1 Nc5 37. Kf2 Qd3 38. Qb2 Ne4+ 39. Kg2 Nc3 40. Qc1
c5 41. h3 Qe2+ 42. Kh1 Ne4 0-1

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.21"]
[Round "11"]
[White "Benko, Pal"]
[Black "Olafsson, Fridrik"]
[Result "1-0"]
[ECO "E15"]
[PlyCount "83"]
[EventDate "1963.07.02"]

1. c4 Nf6 2. d4 e6 3. Nf3 b6 4. g3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 Ba6 7. Na3 O-O 8.
Bg2 c6 9. O-O d6 10. Rfd1 Nbd7 11. Rac1 Qe7 12. Nc2 Rac8 13. Qb4 Bb7 14. Qa3
Rc7 15. Ne3 g6 16. Ne5 c5 17. Bxb7 dxe5 18. Bg2 exd4 19. Rxd4 Ne5 20. Rdd1 Nc6
21. Bxc6 Rxc6 22. Rd3 Rd6 23. Rcd1 Rxd3 24. Qxd3 Rc8 25. f3 Kf8 26. Kf2 Ke8 27.
Qa3 Rc7 28. Qc3 Rd7 29. Rxd7 Kxd7 30. Qe5 Qd8 31. g4 h6 32. h4 Ne8 33. g5 hxg5
34. hxg5 Nd6 35. Qf4 Nf5 36. Nxf5 exf5 37. e4 Ke6 38. exf5+ gxf5 39. Qe3+ Kd7
40. Qd3+ Ke8 41. Qxd8+ Kxd8 42. Kg3 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.21"]
[Round "11"]
[White "Keres, Paul"]
[Black "Reshevsky, Samuel Herman"]
[Result "0-1"]
[ECO "C87"]
[PlyCount "146"]
[EventDate "1963.07.02"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. Bxc6+ bxc6 8.
d4 Nd7 9. Nbd2 f6 10. Nc4 Nb6 11. Na5 Bd7 12. Qd3 O-O 13. Be3 Kh8 14. Rad1 exd4
15. Nxd4 c5 16. Nf5 Re8 17. b3 Bf8 18. Bc1 Be6 19. Ne3 Qd7 20. a4 c6 21. Nac4
Nxc4 22. Nxc4 Rad8 23. Nb6 Qb7 24. a5 d5 25. Bf4 c4 26. Qd2 cxb3 27. cxb3 d4
28. b4 Bb3 29. Rb1 Qf7 30. Bc7 Qxc7 31. Rxb3 f5 32. Qd3 fxe4 33. Rxe4 Rxe4 34.
Qxe4 c5 35. bxc5 Qxc5 36. g3 Qxa5 37. Qd3 Qe1+ 38. Kg2 a5 39. Qf3 Qe6 40. Rb5
Bb4 41. Nd5 Qd7 42. Qd3 Qc6 43. f3 Bd2 44. Ne7 Qe8 45. Nd5 a4 46. Rc5 Be3 47.
Qf5 d3 48. Rc3 Bd4 49. Rxd3 Qe2+ 50. Kh3 g6 51. Qe4 Qxe4 52. fxe4 Bb2 53. Nb4
Rxd3 54. Nxd3 Kg7 55. Kg4 Kf6 56. Kf3 a3 57. Nb4 Ke5 58. Ke3 Bd4+ 59. Kd3 Bc5
60. Na2 Bg1 61. h3 h5 62. Nb4 Bc5 63. Na2 Bf2 64. g4 h4 65. Nb4 Bc5 66. Na2 g5
67. Nc3 Ba7 68. Na2 Kf4 69. Nc3 Bb8 70. Kc2 Be5 71. Nd5+ Kg3 72. Kb3 Kxh3 73.
Ne3 Kg3 0-1

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.21"]
[Round "11"]
[White "Panno, Oscar"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "E79"]
[PlyCount "74"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. Be2 cxd4 8. Nxd4
Nc6 9. Be3 e5 10. Nxc6 bxc6 11. fxe5 dxe5 12. Qa4 Bg4 13. Rd1 Qb8 14. Rd2 Bxe2
15. Rxe2 Qd6 16. O-O Ng4 17. Rd1 Qe7 18. Qxc6 Rfc8 19. Qd7 Qxd7 20. Rxd7 Nxe3
21. Rxe3 Rxc4 22. Rf3 f6 23. Nd5 Rxe4 24. Nxf6+ Bxf6 25. Rxf6 Rc8 26. Rff7 Rc2
27. Rg7+ Kf8 28. Rgf7+ Kg8 29. h3 Ree2 30. Rg7+ Kf8 31. Rgf7+ Kg8 32. Rg7+ Kf8
33. Rxh7 Rxg2+ 34. Kf1 Ke8 35. Rhe7+ Kf8 36. Rf7+ Kg8 37. Rg7+ Kf8 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.21"]
[Round "11"]
[White "Petrosian, Tigran"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "E19"]
[PlyCount "65"]
[EventDate "1963.07.02"]

1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. d4 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8.
Qxc3 O-O 9. O-O f5 10. b3 Bf6 11. Bb2 d6 12. Rad1 Nd7 13. Ne1 Bxg2 14. Nxg2 Qe8
15. Qc2 g5 16. f4 Qg6 17. Rfe1 Rf7 18. e4 fxe4 19. Qxe4 Qxe4 20. Rxe4 Re8 21.
Rde1 Rfe7 22. fxg5 Bxg5 23. Nf4 Bxf4 24. Rxf4 Nf8 25. Rg4+ Rg7 26. Rge4 Rg6 27.
b4 Nd7 28. Kg2 c6 29. R4e3 c5 30. dxc5 bxc5 31. bxc5 Nxc5 32. Rd1 e5 33. Rd5
1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.22"]
[Round "12"]
[White "Gligoric, Svetozar"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "C98"]
[PlyCount "67"]
[EventDate "1963.07.02"]

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 Na5 10. Bc2 c5 11. d4 Nc6 12. dxc5 dxc5 13. Nbd2 Qc7 14. Nf1 Rd8 15.
Qe2 Rb8 16. Ne3 g6 17. Nh2 Be6 18. Nhg4 Rd6 19. Nxf6+ Bxf6 20. Ng4 Bg7 21. Bg5
f6 22. Be3 c4 23. Rad1 Rxd1 24. Rxd1 h5 25. Nh2 Rd8 26. Nf3 Rxd1+ 27. Qxd1 Qd8
28. Qxd8+ Nxd8 29. a4 Nb7 30. axb5 axb5 31. Nd2 Bf8 32. Nb1 Bc5 33. Bxc5 Nxc5
34. h4 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.22"]
[Round "12"]
[White "Najdorf, Miguel"]
[Black "Keres, Paul"]
[Result "1-0"]
[ECO "A85"]
[PlyCount "69"]
[EventDate "1963.07.02"]

1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. e3 Nf6 5. Bd3 O-O 6. Nge2 d6 7. O-O c5 8. b3
Nc6 9. Bb2 e5 10. dxe5 dxe5 11. Nd5 Be6 12. Ng3 g6 13. f4 Nxd5 14. cxd5 Bxd5
15. fxe5 Be6 16. Ne2 Qe7 17. Nf4 Nd8 18. Qf3 Rc8 19. Rad1 a6 20. Bc4 Bxc4 21.
bxc4 Nf7 22. e6 Ng5 23. Qd5 Rc6 24. Qe5 Nxe6 25. Qh8+ Kf7 26. Qxh7+ Ke8 27.
Qxe7+ Kxe7 28. Nxg6+ Ke8 29. Nxf8 Nxf8 30. Rxf5 b5 31. cxb5 axb5 32. h4 Ra6 33.
a3 Bxa3 34. Bxa3 Rxa3 35. Rxc5 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.22"]
[Round "12"]
[White "Olafsson, Fridrik"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[ECO "D27"]
[PlyCount "50"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O cxd4 8. exd4
dxc4 9. Bxc4 Nc6 10. Bg5 Be7 11. Re1 a6 12. a4 Bd7 13. Qe2 Nb4 14. Ne5 Be8 15.
Rad1 Rc8 16. Bb3 Kh8 17. Qf3 Bc6 18. Qh3 Nfd5 19. Bxe7 Qxe7 20. Qg3 Nf6 21. Qh4
Bd5 22. Nxd5 Nbxd5 23. Rd3 Rc7 24. Rf3 Rd8 25. g4 g5 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.22"]
[Round "12"]
[White "Panno, Oscar"]
[Black "Benko, Pal"]
[Result "1-0"]
[ECO "D92"]
[PlyCount "117"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. Rc1 c5 7. dxc5 Be6 8. Nd4
Nc6 9. e3 Qa5 10. Nb3 Qd8 11. Nd4 Nxd4 12. exd4 dxc4 13. Be5 b6 14. Nb5 Ne8 15.
Bxg7 Kxg7 16. Bxc4 Bxc4 17. Rxc4 Qd5 18. Rc3 a6 19. Na3 Qxg2 20. Qf3 Qxf3 21.
Rxf3 bxc5 22. dxc5 Rc8 23. Rc3 Nf6 24. Ke2 Rfd8 25. Rhc1 Rc6 26. b4 Nd5 27. Rb3
Nf4+ 28. Ke3 e5 29. Nc4 Kf6 30. a4 Rd4 31. Nb6 Ne6 32. Rd3 Kf5 33. Nd5 Kg5 34.
Rxd4 Nxd4 35. Ke4 f5+ 36. Kd3 Ne6 37. Kc4 f4 38. Nc3 Kf5 39. Kd5 Rc8 40. c6
Rd8+ 41. Kc4 Rd4+ 42. Kb3 e4 43. b5 Ke5 44. b6 Nc5+ 45. Ka3 Kd6 46. Nxe4+ Kxc6
47. Nxc5 Kxb6 48. a5+ Kb5 49. Nb3 Ra4+ 50. Kb2 Re4 51. Rc7 Rb4 52. Rxh7 Ka4 53.
Rh3 g5 54. Rd3 g4 55. Rd4 Rxd4 56. Nxd4 Kxa5 57. Ne2 f3 58. Nc3 Kb4 59. Nd5+
1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.24"]
[Round "13"]
[White "Benko, Pal"]
[Black "Gligoric, Svetozar"]
[Result "1-0"]
[ECO "E79"]
[PlyCount "87"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4
Nc6 9. Be3 e5 10. Nxc6 bxc6 11. fxe5 dxe5 12. O-O Qc7 13. Qe1 a5 14. Qh4 Ne8
15. Bc5 Nd6 16. Rad1 Nb7 17. Bxf8 Bxf8 18. Na4 Be6 19. b3 Nc5 20. Nxc5 Bxc5+
21. Kh1 Rf8 22. Bg4 f5 23. exf5 gxf5 24. Bxf5 Rxf5 25. Qg4+ Qg7 26. Rd8+ Bf8
27. Qxf5 Bxf5 28. Rxf5 Qe7 29. Rdxf8+ Kg7 30. R5f7+ Qxf7 31. Rxf7+ Kxf7 32. Kg1
Kf6 33. Kf2 Kf5 34. Ke3 h5 35. c5 e4 36. a3 Ke5 37. g3 Kd5 38. b4 axb4 39. axb4
Ke5 40. h3 Kd5 41. g4 hxg4 42. hxg4 Ke5 43. g5 Kf5 44. b5 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.24"]
[Round "13"]
[White "Keres, Paul"]
[Black "Olafsson, Fridrik"]
[Result "1-0"]
[ECO "D81"]
[PlyCount "103"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 c6 5. cxd5 cxd5 6. Nf3 Nc6 7. Bg5 Na5 8.
Qd1 Bg7 9. e3 Ne4 10. Nxe4 dxe4 11. Nd2 Qd5 12. Bh4 Nc6 13. Bc4 Qf5 14. Qc2 O-O
15. Qxe4 Qh5 16. Bg3 e5 17. d5 Bf5 18. Qh4 Qxh4 19. Bxh4 Nb4 20. Ke2 b5 21.
Bxb5 Nxd5 22. Bc6 Nb4 23. Bxa8 Bd3+ 24. Kf3 Rxa8 25. g4 f5 26. gxf5 gxf5 27.
Rac1 e4+ 28. Kg2 f4 29. exf4 Nd5 30. Rhe1 Nxf4+ 31. Kh1 Bxb2 32. Rc7 Re8 33.
Rg1+ Ng6 34. Bg5 a5 35. h4 Kh8 36. h5 Nf8 37. Re7 Rxe7 38. Bxe7 Ne6 39. Rg4 Ng7
40. Nxe4 Be2 41. Rf4 Nxh5 42. Rf5 a4 43. Kg1 h6 44. Ra5 Bd1 45. Bb4 Kh7 46. Nc3
Bxc3 47. Bxc3 Nf4 48. Bd2 Ne2+ 49. Kf1 Nd4 50. Rd5 Nc2 51. Rd7+ Kg6 52. Bxh6
1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.24"]
[Round "13"]
[White "Petrosian, Tigran"]
[Black "Panno, Oscar"]
[Result "1-0"]
[ECO "E02"]
[PlyCount "123"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Rb8 8.
Qxc4 b5 9. Qb3 Bb7 10. O-O c5 11. Be3 Be7 12. dxc5 Nxc5 13. Qd1 O-O 14. Qxd8
Rfxd8 15. Rfd1 Kf8 16. Ne5 Bxg2 17. Kxg2 Rbc8 18. Rxd8+ Bxd8 19. Rc1 Ncd7 20.
Nd3 Bb6 21. Bd2 Ke8 22. f4 Ba5 23. Kf3 Bd8 24. g4 Nb6 25. g5 Nfd7 26. Be3 Be7
27. Bd4 f6 28. h4 Kf7 29. b3 Ba3 30. Rg1 Nd5 31. Nxd5 exd5 32. f5 Bd6 33. e4
dxe4+ 34. Kxe4 Nb8 35. gxf6 gxf6 36. Rc1 Re8+ 37. Kf3 Rd8 38. Be3 Ke7 39. Nf4
Rg8 40. Nd5+ Kf7 41. Bf4 Rd8 42. Bxd6 Rxd6 43. Rc7+ Nd7 44. Ke4 Ke8 45. h5 Kd8
46. Rc2 h6 47. b4 Nb6 48. Nxb6 Rxb6 49. Rg2 Rd6 50. Rg6 Ke7 51. Rxh6 Rd2 52.
Rh8 Rxa2 53. h6 Rh2 54. Kd5 Kf7 55. Ra8 Rxh6 56. Ra7+ Kg8 57. Rxa6 Rh4 58. Kc5
Kg7 59. Rd6 Re4 60. Rd5 Re5 61. Rxe5 fxe5 62. Kd5 1-0

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.24"]
[Round "13"]
[White "Reshevsky, Samuel Herman"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "E54"]
[PlyCount "86"]
[EventDate "1963.07.02"]

1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4
b6 9. Bd3 Ba6 10. Bxa6 Nxa6 11. Qa4 Qc8 12. Nb5 cxd4 13. Nbxd4 Qb7 14. a3 Be7
15. b4 Rfc8 16. Bb2 Nc7 17. Rac1 b5 18. Qb3 Ncd5 19. Qd3 a6 20. Ne5 Rxc1 21.
Rxc1 Rc8 22. Rxc8+ Qxc8 23. Nec6 Bf8 24. Qc2 Nb6 25. Na5 Qxc2 26. Nxc2 Nfd7 27.
Kf1 e5 28. e4 f6 29. Ke2 Kf7 30. Kd3 Ke6 31. Bc1 Bd6 32. Be3 Na4 33. Bc1 Bc7
34. Nb3 Bb6 35. f3 g6 36. Be3 f5 37. Bxb6 Ndxb6 38. exf5+ gxf5 39. f4 Nd5 40.
fxe5 Kxe5 41. Ke2 Nf4+ 42. Kf3 Ne6 43. Na5 Nb6 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.28"]
[Round "14"]
[White "Gligoric, Svetozar"]
[Black "Keres, Paul"]
[Result "0-1"]
[ECO "E55"]
[PlyCount "70"]
[EventDate "1963.07.02"]

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
Nbd7 9. Qd3 a6 10. a4 Qc7 11. Bb3 Rd8 12. Bc2 b6 13. Na2 a5 14. Nxb4 axb4 15.
Re1 e5 16. Qb3 Bb7 17. dxc5 e4 18. c6 Bxc6 19. Nd4 Ng4 20. h3 Qh2+ 21. Kf1 Nde5
22. hxg4 Bd5 23. Qxd5 Rxd5 24. Bxe4 Rad8 25. f3 R5d6 26. a5 bxa5 27. Rxa5 Re8
28. Nf5 Rdd8 29. Bb1 Nc4 30. Ra1 g6 31. b3 Nd2+ 32. Kf2 gxf5 33. Bxf5 Qh4+ 34.
Ke2 Rxe3+ 35. Kxe3 Qxe1+ 0-1

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.28"]
[Round "14"]
[White "Najdorf, Miguel"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[ECO "D94"]
[PlyCount "62"]
[EventDate "1963.07.02"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Bc4 Nb6 8.
Bb3 c5 9. O-O cxd4 10. Nxd4 Na6 11. Qe2 Nc5 12. Bc2 Bd7 13. a4 e5 14. Nf3 Be6
15. Rd1 Qe7 16. a5 Bc4 17. Qe1 Nbd7 18. e4 Nb3 19. Bxb3 Bxb3 20. Nd5 Qd8 21.
Rd2 Rc8 22. Qe3 Bxd5 23. Rxd5 Qc7 24. h3 Nf6 25. Rd1 Qc2 26. Re1 Rc4 27. Qxa7
Nxe4 28. Be3 Rb4 29. Rac1 Qxb2 30. Rc7 Nd6 31. Bc5 Nc8 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.28"]
[Round "14"]
[White "Olafsson, Fridrik"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "C92"]
[PlyCount "58"]
[EventDate "1963.07.02"]

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 h6 10. d4 Re8 11. a4 Bb7 12. axb5 axb5 13. Rxa8 Qxa8 14. Na3 b4 15.
Nc4 Bf8 16. d5 Na5 17. Nxa5 Qxa5 18. cxb4 Qxb4 19. Bd2 Qb6 20. Qc2 c6 21. dxc6
Bxc6 22. Bc4 Qb7 23. Bd3 Nd7 24. b4 d5 25. exd5 Bxd5 26. Be4 Bxe4 27. Rxe4 Nf6
28. Rxe5 Rxe5 29. Nxe5 Bxb4 1/2-1/2

[Event "Piatigorsky Cup it"]
[Site "Los Angeles USA"]
[Date "1963.07.28"]
[Round "14"]
[White "Reshevsky, Samuel Herman"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[ECO "A37"]
[PlyCount "71"]
[EventDate "1963.07.02"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. a3 a6 6. Rb1 Rb8 7. b4 cxb4 8. axb4
b5 9. cxb5 axb5 10. Nf3 e5 11. e4 Nge7 12. O-O O-O 13. Re1 d6 14. h3 h6 15. d3
Be6 16. Nh4 d5 17. exd5 Nxd5 18. Ne4 Ndxb4 19. Ba3 Qa5 20. Ra1 Qd8 21. Qd2 Nd5
22. Bxf8 Qxf8 23. Rec1 Nd4 24. Nc5 Qe7 25. Kh2 b4 26. Ra6 Nc3 27. Nxe6 Nxe6 28.
Rca1 Nc7 29. Rc6 N7b5 30. Re1 Rd8 31. Rc4 Na3 32. Rxc3 bxc3 33. Qxc3 Qd6 34.
Qa5 Nc2 35. Rb1 Nd4 36. Rb6 1/2-1/2

