1.
c4
Nf6
2.
Nc3
e6
3.
d4
Bb4
4.
e3
c5
5.
Nf3
d5
6.
a3
Bxc3+
7.
bxc3
O-O
8.
Bb2
Nc6
9.
Bd3
dxc4
10.
Bxc4
Qc7
11.
Be2
Rd8
12.
Qc2
b6
13.
O-O
Bb7
14.
dxc5
bxc5
15.
c4
Ne7
16.
Be5
Qc6
17.
Qb2
Ne8
18.
Rfb1
Ba6
19.
Nd2
Rac8
20.
Qc2
Qd7
21.
Bc3
Nc6
22.
Ne4
Qe7
23.
Qa4
Bb7
24.
Nxc5
Ba8
25.
Nd3
Nd6
26.
c5
Nb7
27.
Rb5
Rd5
28.
Qa6
Qd7
29.
Rab1
Ncd8
30.
Ne5
Qc7
31.
c6
Nc5
32.
Qa5
Qxa5
33.
Rxa5
Ne4
34.
Rxd5
exd5
35.
c7
Nb7
36.
Bd4
Rxc7
37.
Ba6
f6
38.
Nd3
Nd2
39.
Rb2
Nc4
40.
Rb5
Nxa3
41.
Rxd5
Kf7
42.
h4
h6
43.
Bxa7
Nd8
44.
Rxd8
Rxa7
45.
Rd6
Ke7
46.
Rb6
Rc7
47.
Rb3
Nc2
48.
h5
Bd5
49.
Rb8
Ra7
50.
Nf4
Bf7
51.
Bd3
Na3
52.
Rc8
Kd7
53.
Rc3
Ra5
54.
g4
Nb5
55.
Bf5+
Ke7
56.
Rc5
Kd6
57.
Rc8
Ra7
58.
Bg6
Ba2
59.
Rb8
Bc4
60.
Bd3
Bxd3
61.
Nxd3
Nc3
62.
Kg2
Nd5
63.
Rd8+
Rd7
64.
Rxd7+
Kxd7
65.
e4
Ne7
66.
Nf4
Nc6
67.
Ng6
Ke6
68.
f4
Nd4
69.
Kf2
Kf7
70.
Nh4
Nc2
71.
Ke2
Ke6
72.
Kd2
Nb4
73.
Kc3
Na2+
74.
Kd4
Nc1
75.
Nf5
Kf7
76.
e5
fxe5+
77.
fxe5
Ne2+
78.
Kd5
Nc3+
79.
Kd6
Ne4+
80.
Kd7
Nc5+
81.
Kc6
Ne6
82.
Kd6
Nf4
83.
Ne7
Ne6
84.
Ng6
Ng5
85.
Kd7
Ne4
86.
e6+
Kg8
87.
e7
Nf6+
88.
Kd8
Kf7
89.
Ne5+
1-0
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Event
Site
Sarajevo
Date
1962.04.03
Round
7
White
Black
Result
1-0
Score
[Event "Sarajevo-05"] [Site "Sarajevo"] [Date "1962.04.03"] [Round "7"] [White "Portisch, Lajos"] [Black "Ivkov, Borislav"] [Result "1-0"] 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Nf3 d5 6. a3 Bxc3+ 7. bxc3 O-O 8. Bb2 Nc6 9. Bd3 dxc4 10. Bxc4 Qc7 11. Be2 Rd8 12. Qc2 b6 13. O-O Bb7 14. dxc5 bxc5 15. c4 Ne7 16. Be5 Qc6 17. Qb2 Ne8 18. Rfb1 Ba6 19. Nd2 Rac8 20. Qc2 Qd7 21. Bc3 Nc6 22. Ne4 Qe7 23. Qa4 Bb7 24. Nxc5 Ba8 25. Nd3 Nd6 26. c5 Nb7 27. Rb5 Rd5 28. Qa6 Qd7 29. Rab1 Ncd8 30. Ne5 Qc7 31. c6 Nc5 32. Qa5 Qxa5 33. Rxa5 Ne4 34. Rxd5 exd5 35. c7 Nb7 36. Bd4 Rxc7 37. Ba6 f6 38. Nd3 Nd2 39. Rb2 Nc4 40. Rb5 Nxa3 41. Rxd5 Kf7 42. h4 h6 43. Bxa7 Nd8 44. Rxd8 Rxa7 45. Rd6 Ke7 46. Rb6 Rc7 47. Rb3 Nc2 48. h5 Bd5 49. Rb8 Ra7 50. Nf4 Bf7 51. Bd3 Na3 52. Rc8 Kd7 53. Rc3 Ra5 54. g4 Nb5 55. Bf5+ Ke7 56. Rc5 Kd6 57. Rc8 Ra7 58. Bg6 Ba2 59. Rb8 Bc4 60. Bd3 Bxd3 61. Nxd3 Nc3 62. Kg2 Nd5 63. Rd8+ Rd7 64. Rxd7+ Kxd7 65. e4 Ne7 66. Nf4 Nc6 67. Ng6 Ke6 68. f4 Nd4 69. Kf2 Kf7 70. Nh4 Nc2 71. Ke2 Ke6 72. Kd2 Nb4 73. Kc3 Na2+ 74. Kd4 Nc1 75. Nf5 Kf7 76. e5 fxe5+ 77. fxe5 Ne2+ 78. Kd5 Nc3+ 79. Kd6 Ne4+ 80. Kd7 Nc5+ 81. Kc6 Ne6 82. Kd6 Nf4 83. Ne7 Ne6 84. Ng6 Ng5 85. Kd7 Ne4 86. e6+ Kg8 87. e7 Nf6+ 88. Kd8 Kf7 89. Ne5+ 1-0