[Event "October Revolution 60"]
[Round "13"]
[Site "Leningrad"]
[Date "1977.07.11"]
[White "Balashov, Yuri S"]
[WhiteElo "2565"]
[Black "Karpov, Anatoly"]
[BlackElo "2690"]
[Result "1/2-1/2"]
[ECO "B40"]
[Opening "Sicilian Defence"]
 1. e4   c5
 2. Nf3  e6
 3. Nc3  Nc6
 4. d4   cxd4
 5. Nxd4 a6
 6. Be2  Qc7
 7. O-O  Nf6
 8. Kh1  Be7
 9. Be3  O-O
10. f4   d6
11. Qe1  Nxd4
12. Bxd4 b5
13. a3   Bb7
14. Qg3  Bc6
15. Rae1 Rac8
16. Bd3  e5
17. fxe5 Nh5
18. Qh3  dxe5
19. Nd5  Bxd5
20. Bxe5 Qxe5
21. exd5 Qd6
22. Qxh5 g6
23. Qf3  Kg7
24. c3   Bf6
25. Re4  Be5
26. Qe3  Bf6
27. Qf3  Be5
28. Qe3  Bf6
29. Ref4 Bg5
30. Qd4+ Kg8
31. R4f3 Qc5
32. Qg4  Be7
33. Bc2  Qxd5
1/2-1/2