1.
e4
e5
2.
Nf3
Nc6
3.
Bb5
a6
4.
Ba4
Nf6
5.
O-O
b5
6.
Bb3
Be7
7.
Re1
O-O
8.
c3
d6
9.
h3
h6
10.
d4
Nh7
11.
Bd5
Bb7
12.
dxe5
dxe5
13.
Nxe5
Nxe5
14.
Bxb7
Rb8
15.
Bd5
c6
16.
Bb3
Qxd1
17.
Rxd1
Rbd8
18.
Kf1
Rxd1+
19.
Bxd1
Nd3
20.
Na3
Bxa3
21.
bxa3
Nxc1
22.
Rxc1
Rd8
23.
Ke2
Nf6
24.
Ke3
Nd7
25.
f4
Nb6
26.
Be2
Kf8
27.
c4
bxc4
28.
Bxc4
Nxc4+
29.
Rxc4
Rc8
30.
Ra4
Rb8
31.
Rb4
Rc8
32.
Rb7
c5
33.
Kd3
Rd8+
34.
Ke3
c4
35.
e5
Rd3+
36.
Ke4
Rxa3
37.
Rb2
Ra4
38.
Rc2
c3+
39.
Ke3
Ke7
40.
g4
Rc4
41.
f5
a5
42.
Kd3
Ra4
43.
Rxc3
Rxa2
44.
Rc7+
Kf8
45.
Ra7
Ra3+
46.
Ke4
Ra1
47.
Ra8+
Ke7
48.
Ra7+
Kf8
49.
Kf4
a4
50.
Kg3
Re1
51.
f6
gxf6
52.
exf6
Kg8
53.
Rxa4
Kh7
54.
Rf4
Kg6
55.
h4
Re3+
56.
Kg2
Re6
57.
h5+
Kg5
58.
Kf3
Re5
59.
Kg3
Ra5
60.
Rf3
Rb5
1/2-1/2
Opening Explorer
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Site
Havana
Date
1966.11.03
Round
7
White
Casa, Alex
Black
Ko, Chi
Result
1/2-1/2
[Event "Olympiad-17 Preliminaries A"] [Site "Havana"] [Date "1966.11.03"] [Round "7"] [White "Casa, Alex"] [Black "Ko, Chi"] [Result "1/2-1/2"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 O-O 8. c3 d6 9. h3 h6 10. d4 Nh7 11. Bd5 Bb7 12. dxe5 dxe5 13. Nxe5 Nxe5 14. Bxb7 Rb8 15. Bd5 c6 16. Bb3 Qxd1 17. Rxd1 Rbd8 18. Kf1 Rxd1+ 19. Bxd1 Nd3 20. Na3 Bxa3 21. bxa3 Nxc1 22. Rxc1 Rd8 23. Ke2 Nf6 24. Ke3 Nd7 25. f4 Nb6 26. Be2 Kf8 27. c4 bxc4 28. Bxc4 Nxc4+ 29. Rxc4 Rc8 30. Ra4 Rb8 31. Rb4 Rc8 32. Rb7 c5 33. Kd3 Rd8+ 34. Ke3 c4 35. e5 Rd3+ 36. Ke4 Rxa3 37. Rb2 Ra4 38. Rc2 c3+ 39. Ke3 Ke7 40. g4 Rc4 41. f5 a5 42. Kd3 Ra4 43. Rxc3 Rxa2 44. Rc7+ Kf8 45. Ra7 Ra3+ 46. Ke4 Ra1 47. Ra8+ Ke7 48. Ra7+ Kf8 49. Kf4 a4 50. Kg3 Re1 51. f6 gxf6 52. exf6 Kg8 53. Rxa4 Kh7 54. Rf4 Kg6 55. h4 Re3+ 56. Kg2 Re6 57. h5+ Kg5 58. Kf3 Re5 59. Kg3 Ra5 60. Rf3 Rb5 1/2-1/2