1.
e4
c5
2.
Nf3
e6
3.
d4
cxd4
4.
Nxd4
a6
5.
Bd3
Bc5
6.
Nb3
Ba7
7.
O-O
Nc6
8.
N1d2
Nf6
9.
Nc4
d5
10.
exd5
exd5
11.
Qe2+
Be6
12.
Ne5
Nxe5
13.
Qxe5
O-O
14.
Nd4
Qd7
15.
Bh6
Bxd4
16.
Qxd4
Bf5
17.
Rae1
Rfe8
18.
Bg5
Bxd3
19.
cxd3
Rxe1
20.
Rxe1
Re8
21.
Rxe8+
Nxe8
22.
h3
Nc7
23.
Bd2
Ne6
24.
Qb6
h6
25.
Kh2
h5
26.
g3
d4
27.
Qb3
Qc6
28.
Qd1
Qd5
29.
a4
Qf5
30.
Qe2
Nc5
31.
g4
hxg4
32.
hxg4
Qg6
33.
Qe7
Ne6
34.
Bc1
Qxg4
35.
Qxb7
Qh5+
36.
Kg2
Qg6+
37.
Kh2
Qh5+
38.
Kg2
Qg6+
39.
Kh2
Qxd3
40.
Qc8+
Kh7
41.
b4
Qe2
42.
Kg3
Qd1
43.
b5
axb5
44.
a5
d3
45.
a6
d2
46.
Bxd2
Qxd2
47.
a7
Qd6+
48.
Kg2
Nc7
49.
Qh3+
Qh6
50.
Qd7
Qf4
51.
Qh3+
Kg6
52.
Qd3+
f5
53.
Qd7
b4
54.
Qxc7
Qxc7
55.
a8=Q
Qb6
56.
Qe8+
Kh7
57.
Kf1
Qa6+
58.
Ke1
Qa1+
59.
Ke2
Qb2+
60.
Kf3
Qc3+
61.
Kg2
Kh6
62.
f4
Qc2+
63.
Kg3
Qe4
64.
Qb8
Qe3+
65.
Kh4
Qf2+
66.
Kh3
Qe3+
67.
Kh4
Qe1+
68.
Kh3
Kh7
69.
Qb6
Qc3+
70.
Kh2
b3
71.
Qe6
Qc2+
72.
Kg3
b2
73.
Qe8
Qe4
0-1
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Event
Site
Amsterdam
Date
1964.06.06
Round
13
White
Black
Result
0-1
Score
[Event "Interzonal-06"] [Site "Amsterdam"] [Date "1964.06.06"] [Round "13"] [White "Larsen, Bent"] [Black "Ivkov, Borislav"] [Result "0-1"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. O-O Nc6 8. N1d2 Nf6 9. Nc4 d5 10. exd5 exd5 11. Qe2+ Be6 12. Ne5 Nxe5 13. Qxe5 O-O 14. Nd4 Qd7 15. Bh6 Bxd4 16. Qxd4 Bf5 17. Rae1 Rfe8 18. Bg5 Bxd3 19. cxd3 Rxe1 20. Rxe1 Re8 21. Rxe8+ Nxe8 22. h3 Nc7 23. Bd2 Ne6 24. Qb6 h6 25. Kh2 h5 26. g3 d4 27. Qb3 Qc6 28. Qd1 Qd5 29. a4 Qf5 30. Qe2 Nc5 31. g4 hxg4 32. hxg4 Qg6 33. Qe7 Ne6 34. Bc1 Qxg4 35. Qxb7 Qh5+ 36. Kg2 Qg6+ 37. Kh2 Qh5+ 38. Kg2 Qg6+ 39. Kh2 Qxd3 40. Qc8+ Kh7 41. b4 Qe2 42. Kg3 Qd1 43. b5 axb5 44. a5 d3 45. a6 d2 46. Bxd2 Qxd2 47. a7 Qd6+ 48. Kg2 Nc7 49. Qh3+ Qh6 50. Qd7 Qf4 51. Qh3+ Kg6 52. Qd3+ f5 53. Qd7 b4 54. Qxc7 Qxc7 55. a8=Q Qb6 56. Qe8+ Kh7 57. Kf1 Qa6+ 58. Ke1 Qa1+ 59. Ke2 Qb2+ 60. Kf3 Qc3+ 61. Kg2 Kh6 62. f4 Qc2+ 63. Kg3 Qe4 64. Qb8 Qe3+ 65. Kh4 Qf2+ 66. Kh3 Qe3+ 67. Kh4 Qe1+ 68. Kh3 Kh7 69. Qb6 Qc3+ 70. Kh2 b3 71. Qe6 Qc2+ 72. Kg3 b2 73. Qe8 Qe4 0-1