1.
c4
e5
2.
Nc3
Nc6
3.
Nf3
Nf6
4.
a3
a5
5.
d4
exd4
6.
Nxd4
Bc5
7.
Nxc6
bxc6
8.
e4
O-O
9.
Bd3
d6
10.
Bg5
Be6
11.
O-O
h6
12.
Bh4
g5
13.
Bg3
Ng4
14.
Na4
Ba7
15.
Be2
Ne5
16.
c5
Qb8
17.
Qd4
Bb3
18.
Bxe5
dxe5
19.
Qxe5
Bxa4
20.
Qf6
Qd8
21.
Qxh6
Bxc5
22.
Bg4
Qd6
23.
Qxg5+
Qg6
24.
Qxc5
Qxg4
25.
f4
Qe6
26.
Rf3
f6
27.
Rg3+
Kf7
28.
Qh5+
Ke7
29.
Rg7+
Kd8
30.
Qc5
Qd6
31.
Qe3
c5
32.
Rc1
Qd4
33.
Qxd4+
cxd4
34.
Rc4
Bb5
35.
Rxd4+
Kc8
36.
Kf2
Rb8
37.
b4
axb4
38.
axb4
Ra8
39.
Ke3
Ra3+
40.
Kf2
Ra2+
41.
Kf3
f5
42.
e5
Bc6+
43.
Ke3
Rxg2
44.
Rxg2
Bxg2
45.
Rd2
Be4
46.
Kd4
Rh8
47.
Kc5
Rh6
48.
b5
Bb7
49.
Re2
Kd7
50.
Rd2+
Ke7
51.
Rf2
Be4
52.
Rd2
Rh4
53.
Rf2
Rh6
54.
Rd2
Rh3
55.
Rf2
Rc3+
56.
Kb4
Rh3
57.
Kc5
Rc3+
58.
Kb4
Rc1
59.
Kb3
Ke6
60.
Kb4
Bd3
61.
Rg2
Rb1+
62.
Kc3
Bxb5
63.
Rg6+
Kd5
64.
e6
Re1
65.
Rf6
Re3+
66.
Kb4
Bd3
67.
Rf7
c5+
0-1
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Event
Site
Reykjavik
Date
1957.07.11
Round
1(4)
White
Yepez Obando, Olavo
Black
Gray,
Result
0-1
Score
[Event "WchT Students 04th"] [Site "Reykjavik"] [Date "1957.07.11"] [Round "1(4)"] [White "Yepez Obando, Olavo"] [Black "Gray,"] [Result "0-1"] [EventArchiveKey "world-student-team-championship-04-reykjavik-1957"] 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. a3 a5 5. d4 exd4 6. Nxd4 Bc5 7. Nxc6 bxc6 8. e4 O-O 9. Bd3 d6 10. Bg5 Be6 11. O-O h6 12. Bh4 g5 13. Bg3 Ng4 14. Na4 Ba7 15. Be2 Ne5 16. c5 Qb8 17. Qd4 Bb3 18. Bxe5 dxe5 19. Qxe5 Bxa4 20. Qf6 Qd8 21. Qxh6 Bxc5 22. Bg4 Qd6 23. Qxg5+ Qg6 24. Qxc5 Qxg4 25. f4 Qe6 26. Rf3 f6 27. Rg3+ Kf7 28. Qh5+ Ke7 29. Rg7+ Kd8 30. Qc5 Qd6 31. Qe3 c5 32. Rc1 Qd4 33. Qxd4+ cxd4 34. Rc4 Bb5 35. Rxd4+ Kc8 36. Kf2 Rb8 37. b4 axb4 38. axb4 Ra8 39. Ke3 Ra3+ 40. Kf2 Ra2+ 41. Kf3 f5 42. e5 Bc6+ 43. Ke3 Rxg2 44. Rxg2 Bxg2 45. Rd2 Be4 46. Kd4 Rh8 47. Kc5 Rh6 48. b5 Bb7 49. Re2 Kd7 50. Rd2+ Ke7 51. Rf2 Be4 52. Rd2 Rh4 53. Rf2 Rh6 54. Rd2 Rh3 55. Rf2 Rc3+ 56. Kb4 Rh3 57. Kc5 Rc3+ 58. Kb4 Rc1 59. Kb3 Ke6 60. Kb4 Bd3 61. Rg2 Rb1+ 62. Kc3 Bxb5 63. Rg6+ Kd5 64. e6 Re1 65. Rf6 Re3+ 66. Kb4 Bd3 67. Rf7 c5+ 0-1