1.
e4
c5
2.
Nf3
d6
3.
d4
cxd4
4.
Nxd4
Nf6
5.
Nc3
a6
6.
Be2
e5
7.
Nb3
Be6
8.
O-O
Be7
9.
f4
Qc7
10.
f5
Bc4
11.
a4
O-O
12.
Kh1
Nbd7
13.
a5
Bb5
14.
Nxb5
axb5
15.
Bg5
b4
16.
Bd3
Nc5
17.
Qe1
Nxb3
18.
cxb3
Rxa5
19.
Rxa5
Qxa5
20.
Bc4
Rc8
21.
Qe2
h6
22.
Bxf6
Bxf6
23.
g3
Rc5
24.
Kg2
b5
25.
Bd5
Qc7
26.
Kh3
Qa7
27.
Qd2
Qa5
28.
Qd1
Kf8
29.
Qh5
Rc7
30.
Rc1
Bg5
31.
Rxc7
Qxc7
32.
Qe2
Qa5
33.
Qh5
Qc7
34.
Qe2
Qa5
35.
Qh5
1/2-1/2
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Event
Site
Petropolis
Date
1973.07.24
Round
1
White
Black
Result
1/2-1/2
[Event "Interzonal-09b"] [Site "Petropolis"] [Date "1973.07.24"] [Round "1"] [White "Ivkov, Borislav"] [Black "Mecking, Henrique"] [Result "1/2-1/2"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. O-O Be7 9. f4 Qc7 10. f5 Bc4 11. a4 O-O 12. Kh1 Nbd7 13. a5 Bb5 14. Nxb5 axb5 15. Bg5 b4 16. Bd3 Nc5 17. Qe1 Nxb3 18. cxb3 Rxa5 19. Rxa5 Qxa5 20. Bc4 Rc8 21. Qe2 h6 22. Bxf6 Bxf6 23. g3 Rc5 24. Kg2 b5 25. Bd5 Qc7 26. Kh3 Qa7 27. Qd2 Qa5 28. Qd1 Kf8 29. Qh5 Rc7 30. Rc1 Bg5 31. Rxc7 Qxc7 32. Qe2 Qa5 33. Qh5 Qc7 34. Qe2 Qa5 35. Qh5 1/2-1/2