1.
e4
c5
2.
Nf3
d6
3.
d4
cxd4
4.
Qxd4
Nc6
5.
Bb5
Qd7
6.
Qa4
a6
7.
Bxc6
bxc6
8.
c4
e6
9.
O-O
Ne7
10.
Nc3
Ng6
11.
Rd1
Be7
12.
Qa5
O-O
13.
Qh5
f6
14.
Rd3
Qe8
15.
b3
e5
16.
Ba3
d5
17.
Bxe7
Qxe7
18.
g3
dxc4
19.
bxc4
Be6
20.
Nd2
Rad8
21.
Qe2
Rxd3
22.
Qxd3
Rd8
23.
Qe3
Nf8
24.
Rb1
Bf7
25.
Rb6
Qd7
26.
Nb3
Bxc4
27.
Nc5
Qh3
28.
Qe1
Ne6
29.
Nxe6
Qxe6
30.
Nd5
Bxd5
31.
exd5
Qxd5
32.
Qb1
c5
33.
Rb8
c4
34.
Qb4
Rxb8
35.
Qxb8+
Kf7
36.
Qa7+
Kg6
37.
Qxa6
c3
38.
Qe2
e4
39.
a4
h5
0-1
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Event
Site
Buenos Aires
Date
1978.10.25
Round
1
White
Mateo, Ramon
Black
Result
0-1
Score
[Event "Olympiad-23"] [Site "Buenos Aires"] [Date "1978.10.25"] [Round "1"] [White "Mateo, Ramon"] [Black "Nunn, John DM"] [Result "0-1"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Qd7 6. Qa4 a6 7. Bxc6 bxc6 8. c4 e6 9. O-O Ne7 10. Nc3 Ng6 11. Rd1 Be7 12. Qa5 O-O 13. Qh5 f6 14. Rd3 Qe8 15. b3 e5 16. Ba3 d5 17. Bxe7 Qxe7 18. g3 dxc4 19. bxc4 Be6 20. Nd2 Rad8 21. Qe2 Rxd3 22. Qxd3 Rd8 23. Qe3 Nf8 24. Rb1 Bf7 25. Rb6 Qd7 26. Nb3 Bxc4 27. Nc5 Qh3 28. Qe1 Ne6 29. Nxe6 Qxe6 30. Nd5 Bxd5 31. exd5 Qxd5 32. Qb1 c5 33. Rb8 c4 34. Qb4 Rxb8 35. Qxb8+ Kf7 36. Qa7+ Kg6 37. Qxa6 c3 38. Qe2 e4 39. a4 h5 0-1