1.
Nf3
Nf6
2.
c4
c6
3.
Nc3
d5
4.
d4
dxc4
5.
a4
Bf5
6.
e3
e6
7.
Bxc4
Bb4
8.
O-O
O-O
9.
Qe2
Ne4
10.
Bd3
Bxc3
11.
bxc3
Nxc3
12.
Qc2
Bxd3
13.
Qxd3
Nd5
14.
Rb1
Qc7
15.
e4
Ne7
16.
e5
h6
17.
Ba3
Rd8
18.
Bd6
Qd7
19.
Nd2
Nf5
20.
Ne4
Na6
21.
g4
Nxd6
22.
Nxd6
Rab8
23.
f4
Nc7
24.
Rbd1
Ne8
25.
Ne4
f5
26.
gxf5
exf5
27.
Ng3
g6
28.
Rf2
Ng7
29.
Nf1
1/2-1/2
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Event
Site
Zarate
Date
1973.??.??
Round
5
White
De la Vega, Hector
Black
Buj, Pablo
Result
1/2-1/2
Score
[Event "Zarate op"] [Site "Zarate"] [Date "1973.??.??"] [Round "5"] [White "De la Vega, Hector"] [Black "Buj, Pablo"] [Result "1/2-1/2"] 1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. d4 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2 Ne4 10. Bd3 Bxc3 11. bxc3 Nxc3 12. Qc2 Bxd3 13. Qxd3 Nd5 14. Rb1 Qc7 15. e4 Ne7 16. e5 h6 17. Ba3 Rd8 18. Bd6 Qd7 19. Nd2 Nf5 20. Ne4 Na6 21. g4 Nxd6 22. Nxd6 Rab8 23. f4 Nc7 24. Rbd1 Ne8 25. Ne4 f5 26. gxf5 exf5 27. Ng3 g6 28. Rf2 Ng7 29. Nf1 1/2-1/2