[Event "URS-ch37 Final"]
[Site "Moscow"]
[Date "1969.10.11"]
[Round "23"]
[White "Zaitsev, Igor A"]
[Black "Petrosian, Tigran V"]
[Result "0-1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Bd7 8. Be2 Na5 9. O-O Ne7
10. Ng5 h6 11. Nh3 O-O-O 12. Nf4 g6 13. Rb1 Kb8 14. g4 Bb5 15. Re1 Nc8 16. Bf1 Be7 17. h3
Qc6 18. Bg2 Ba4 19. Qe2 Bc2 20. Nxc4 Bxb1 21. Nxa5 Qc7 22. b4 g5 23. Nh5 Qxc3 24. Bd2 Qd3
25. Qd1 Bc2 26. Qc1 Ba4 27. Be3 Nb6 28. Bf1 Qg6 29. f4 Rc8 30. Qd2 Rc2 31. Bd3 Rxd2 32.
Bxg6 fxg6 33. Bxd2 gxh5 0-1