[Event "Chigorin Memorial-05"]
[Site "Sochi"]
[Date "1965.??.??"]
[Round "6"]
[White "Jansa, Vlastimil"]
[Black "Zaitsev, Alexander N"]
[Result "0-1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 h6 9. N5f3 c5 10. dxc5 Bxc5 11. Ne5 Nbd7 12. Ngf3 Nxe5 13. Nxe5 O-O 14. O-O b6 15. Qf3 Qc7 16. Re1 Bd6 17. Qg3 Nd7 18. Bf4 Bb7 19. Re3 Nxe5 20. Bxe5 Bxe5 21. Rxe5 Rac8 22. Rae1 Rfd8 23. R5e3 Qxg3 24. hxg3 Kf8 25. c3 Rd6 26. Be4 Ba6 27. b3 Rd2 28. a4 Rcd8 29. c4 Ke7 30. R3e2 R8d4 31. Rxd2 Rxd2 32. Bc6 Rd3 33. Rb1 Kd6 34. Bb5 Bxb5 35. axb5 Kc5 36. Ra1 Rd7 37. Ra4 Kd4 38. Kf1 Kc3 39. c5 bxc5 40. Rc4+ Kxb3 41. Rxc5 Kb4 42. Rc8 Kxb5 43. Rb8+ Kc6 44. Ra8 Kb7 45. Rg8 g6 46. Ke2 a5 47. f4 a4 0-1