1.
Nf3
d5
2.
c4
d4
3.
g3
Nc6
4.
Bg2
e5
5.
d3
Nf6
6.
O-O
Nd7
7.
Na3
Be7
8.
Nc2
O-O
9.
e3
Bf6
10.
exd4
Nxd4
11.
Ncxd4
exd4
12.
b4
Re8
13.
Re1
a5
14.
Rxe8+
Qxe8
15.
b5
Nc5
16.
Ba3
Ne6
17.
Qe1
Qd8
18.
Qe4
Rb8
19.
Qd5
Bd7
20.
Ne5
Be8
21.
Re1
Be7
22.
Qxd8
Bxd8
23.
Bd5
Bf6
24.
Nxf7
Bxf7
25.
Bxe6
Bxe6
26.
Rxe6
c6
27.
Bd6
Rc8
28.
b6
Kf7
29.
Re4
c5
30.
Bc7
a4
31.
f4
a3
32.
Re1
Ra8
33.
Rb1
Ke6
34.
Kf2
Kd7
35.
Kf3
Kc6
36.
Rb3
h5
37.
Rb1
Be7
38.
Rb3
Bf6
39.
Rb1
Bd8
40.
Bxd8
Rxd8
41.
Rb3
Re8
42.
f5
Re3+
43.
Kf4
Re2
44.
Rxa3
Rxh2
45.
Ra8
Rf2+
46.
Ke4
Re2+
47.
Kf4
Rf2+
48.
Ke4
Re2+
49.
Kf3
Re3+
50.
Kf4
Rxd3
51.
Rg8
Rd1
52.
Rxg7
Rf1+
53.
Ke4
Re1+
54.
Kf3
Rf1+
55.
Ke2
Rxf5
56.
Rg6+
Kd7
57.
a4
Re5+
58.
Kd2
Re7
59.
a5
Rh7
60.
Rg8
Kc6
61.
Rg6+
Kd7
62.
Kd3
Ke7
63.
Rc6
1-0
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Event
Site
Amsterdam
Date
1974.07.21
Round
5
White
Black
Sosonko, Gennadi
Result
1-0
Score
[Event "IBM"] [Site "Amsterdam"] [Date "1974.07.21"] [Round "5"] [White "Ivkov, Borislav"] [Black "Sosonko, Gennadi"] [Result "1-0"] 1. Nf3 d5 2. c4 d4 3. g3 Nc6 4. Bg2 e5 5. d3 Nf6 6. O-O Nd7 7. Na3 Be7 8. Nc2 O-O 9. e3 Bf6 10. exd4 Nxd4 11. Ncxd4 exd4 12. b4 Re8 13. Re1 a5 14. Rxe8+ Qxe8 15. b5 Nc5 16. Ba3 Ne6 17. Qe1 Qd8 18. Qe4 Rb8 19. Qd5 Bd7 20. Ne5 Be8 21. Re1 Be7 22. Qxd8 Bxd8 23. Bd5 Bf6 24. Nxf7 Bxf7 25. Bxe6 Bxe6 26. Rxe6 c6 27. Bd6 Rc8 28. b6 Kf7 29. Re4 c5 30. Bc7 a4 31. f4 a3 32. Re1 Ra8 33. Rb1 Ke6 34. Kf2 Kd7 35. Kf3 Kc6 36. Rb3 h5 37. Rb1 Be7 38. Rb3 Bf6 39. Rb1 Bd8 40. Bxd8 Rxd8 41. Rb3 Re8 42. f5 Re3+ 43. Kf4 Re2 44. Rxa3 Rxh2 45. Ra8 Rf2+ 46. Ke4 Re2+ 47. Kf4 Rf2+ 48. Ke4 Re2+ 49. Kf3 Re3+ 50. Kf4 Rxd3 51. Rg8 Rd1 52. Rxg7 Rf1+ 53. Ke4 Re1+ 54. Kf3 Rf1+ 55. Ke2 Rxf5 56. Rg6+ Kd7 57. a4 Re5+ 58. Kd2 Re7 59. a5 Rh7 60. Rg8 Kc6 61. Rg6+ Kd7 62. Kd3 Ke7 63. Rc6 1-0