1.
c4
c5
2.
Nc3
Nf6
3.
g3
g6
4.
Bg2
Bg7
5.
e3
O-O
6.
Nge2
d6
7.
b3
Nc6
8.
Bb2
Bf5
9.
d4
Qc8
10.
O-O
Bh3
11.
Nf4
Bxg2
12.
Nxg2
e5
13.
d5
Ne7
14.
e4
Qh3
15.
f3
Bh6
16.
Qe2
a6
17.
Nd1
Qc8
18.
f4
Nd7
19.
fxe5
Nxe5
20.
Bxe5
dxe5
21.
Nde3
Bg7
22.
Nh4
Qd8
23.
Rae1
Nc8
24.
Ng4
Nd6
25.
Qf2
h5
26.
Nf6+
Bxf6
27.
Qxf6
Qxf6
28.
Rxf6
Rfd8
29.
Rf2
b5
30.
Rc2
bxc4
31.
bxc4
Rab8
32.
Nf3
f6
33.
Nd2
Rb4
34.
Re3
a5
35.
Rb3
Rdb8
36.
Rxb4
axb4
37.
Kf2
Ra8
38.
Ke3
f5
39.
exf5
gxf5
40.
Kf3
Kf7
41.
Ke3
Kf6
42.
Kf3
Ra3+
43.
Kf2
Ne4+
44.
Nxe4+
fxe4
45.
Ke2
e3
46.
h3
e4
47.
g4
hxg4
48.
hxg4
Ke5
49.
g5
Kf5
50.
g6
Ra6
51.
d6
Rxd6
52.
Rc1
Rxg6
53.
Rf1+
Ke5
54.
Kxe3
Rg3+
55.
Kd2
Ra3
56.
Rf8
Rxa2+
57.
Ke3
Ra3+
58.
Ke2
Kd4
59.
Rd8+
Kxc4
60.
Re8
e3
0-1
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Event
Site
Havana
Date
1966.11.10
Round
6
White
Cevallos, Alejandro
Black
Onat, Ilhan
Result
0-1
Score
[Event "Olympiad-17 Final C"] [Site "Havana"] [Date "1966.11.10"] [Round "6"] [White "Cevallos, Alejandro"] [Black "Onat, Ilhan"] [Result "0-1"] 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 d6 7. b3 Nc6 8. Bb2 Bf5 9. d4 Qc8 10. O-O Bh3 11. Nf4 Bxg2 12. Nxg2 e5 13. d5 Ne7 14. e4 Qh3 15. f3 Bh6 16. Qe2 a6 17. Nd1 Qc8 18. f4 Nd7 19. fxe5 Nxe5 20. Bxe5 dxe5 21. Nde3 Bg7 22. Nh4 Qd8 23. Rae1 Nc8 24. Ng4 Nd6 25. Qf2 h5 26. Nf6+ Bxf6 27. Qxf6 Qxf6 28. Rxf6 Rfd8 29. Rf2 b5 30. Rc2 bxc4 31. bxc4 Rab8 32. Nf3 f6 33. Nd2 Rb4 34. Re3 a5 35. Rb3 Rdb8 36. Rxb4 axb4 37. Kf2 Ra8 38. Ke3 f5 39. exf5 gxf5 40. Kf3 Kf7 41. Ke3 Kf6 42. Kf3 Ra3+ 43. Kf2 Ne4+ 44. Nxe4+ fxe4 45. Ke2 e3 46. h3 e4 47. g4 hxg4 48. hxg4 Ke5 49. g5 Kf5 50. g6 Ra6 51. d6 Rxd6 52. Rc1 Rxg6 53. Rf1+ Ke5 54. Kxe3 Rg3+ 55. Kd2 Ra3 56. Rf8 Rxa2+ 57. Ke3 Ra3+ 58. Ke2 Kd4 59. Rd8+ Kxc4 60. Re8 e3 0-1