1.
c4
g6
2.
d4
Nf6
3.
Nc3
d5
4.
Nf3
Bg7
5.
e3
O-O
6.
Bd2
c5
7.
dxc5
Na6
8.
cxd5
Nxc5
9.
Bc4
Bf5
10.
O-O
Rc8
11.
Qe2
Nfe4
12.
Nd4
Nxd2
13.
Qxd2
Ne4
14.
Nxe4
Bxe4
15.
Qb4
Bxd4
16.
exd4
Bxd5
17.
Bxd5
Qxd5
18.
Qxe7
1/2-1/2
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Event
Site
Petropolis
Date
1973.08.13
Round
15
White
Black
Result
1/2-1/2
[Event "Interzonal-09b"] [Site "Petropolis"] [Date "1973.08.13"] [Round "15"] [White "Smyslov, Vasily V"] [Black "Ivkov, Borislav"] [Result "1/2-1/2"] 1. c4 g6 2. d4 Nf6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd2 c5 7. dxc5 Na6 8. cxd5 Nxc5 9. Bc4 Bf5 10. O-O Rc8 11. Qe2 Nfe4 12. Nd4 Nxd2 13. Qxd2 Ne4 14. Nxe4 Bxe4 15. Qb4 Bxd4 16. exd4 Bxd5 17. Bxd5 Qxd5 18. Qxe7 1/2-1/2