1.
d4
Nf6
2.
c4
g6
3.
Nc3
Bg7
4.
g3
O-O
5.
Bg2
d6
6.
Nf3
Nc6
7.
O-O
a6
8.
b3
Rb8
9.
Bb2
b5
10.
cxb5
axb5
11.
d5
Na5
12.
e3
c5
13.
dxc6
Nxc6
14.
Rc1
Bd7
15.
Nd4
Nxd4
16.
Qxd4
Ng4
17.
Qb4
Ne5
18.
Rcd1
Bg4
19.
f3
Bf5
20.
Ba1
Nd3
21.
Qh4
Bf6
22.
Qh6
e5
23.
f4
Bg7
24.
Qg5
Bf6
25.
Qh6
Bg7
26.
Qg5
Bf6
27.
Qh6
Bg7
1/2-1/2
Opening Explorer
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Site
Sao Paulo
Date
1972.05.19
Round
1
White
Vasquez, Julio E
Black
Rodriguez Vargas, Orestes
Result
1/2-1/2
[Event "Zonal South America Sao Paulo"] [Site "Sao Paulo"] [Date "1972.05.19"] [Round "1"] [White "Vasquez, Julio E"] [Black "Rodriguez Vargas, Orestes"] [Result "1/2-1/2"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. O-O a6 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5 11. d5 Na5 12. e3 c5 13. dxc6 Nxc6 14. Rc1 Bd7 15. Nd4 Nxd4 16. Qxd4 Ng4 17. Qb4 Ne5 18. Rcd1 Bg4 19. f3 Bf5 20. Ba1 Nd3 21. Qh4 Bf6 22. Qh6 e5 23. f4 Bg7 24. Qg5 Bf6 25. Qh6 Bg7 26. Qg5 Bf6 27. Qh6 Bg7 1/2-1/2