[Event "Chigorin Memorial-05"]
[Site "Sochi"]
[Date "1965.??.??"]
[Round "12"]
[White "Kotkov, Yuri M"]
[Black "Zaitsev, Alexander N"]
[Result "1/2-1/2"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 g6 8. Nf3 Bg7 9. O-O O-O 10. Re1 a5 11. a4 Nd5 12. Qe2 Bg4 13. h3 Bxf3 14. Qxf3 e6 15. g3 Re8 16. h4 Qf6 17. Qe4 h6 18. Bd2 Rad8 19. Rad1 Qf5 20. Kg2 Qxe4+ 21. Rxe4 Rd7 22. Bc1 Red8 23. Rde1 Rb8 24. Bd2 b5 25. axb5 cxb5 26. Bxd5 Rxd5 27. Ra1 a4 28. Re2 Bf8 29. Kf3 Kg7 30. Ke4 Rbd8 31. f4 h5 32. Kd3 Kg8 33. Re5 Bd6 34. Re2 Rc8 35. Be3 Kg7 36. Bd2 Kf6 37. Ke4 Rc4 38. Ree1 1/2-1/2