[Event "URS Spartak CC"]
[Site "Soviet Union"]
[Date "1963.??.??"]
[Round "?"]
[White "Estrin, Yakov Borisovich"]
[Black "Zhidkov, Valery S"]
[Result "0-1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. Be2 O-O 10. Nb3 Qd8 11. f4 a5 12. a4 Nb4 13. Bf3 Be6 14. Rf2 Qc8 15. h3 Nd7 16. Nd4 Bc4 17. Ncb5 Nc5 18. Rd2 Rd8 19. b3 Bxb5 20. axb5 Ne6 21. Nxe6 fxe6 22. e5 dxe5 23. Rxd8+ Qxd8 24. Bxb7 exf4 25. Bxa8 Qxa8 26. Bxf4 Qa7+ 27. Kh1 Bxa1 28. Qxa1 Nxc2 29. Qe5 Kf7 30. Qe4 Nb4 31. Be3 Qb8 32. b6 Nd5 33. Qd4 Qg3 34. b7 Nxe3 35. Qxe3 Qxe3 36. b8=Q g5 37. Qb5 Qd2 38. Qf1+ Qf4 39. Qb5 Qf5 40. Qc4 h5 41. Qc3 h4 42. Qc4 Qf2 43. Qb5 Qe1+ 44. Kh2 Qd2 45. Kh1 e5 46. Qc4+ e6 47. Qf1+ Ke7 48. Qa1 Kd6 49. Qa3+ Kd7 50. Qa4+ Ke7 51. Qa1 e4 52. Qg7+ Kd6 53. Qf8+ Ke5 54. Qg7+ Kf4 55. Kh2 Qd6 56. Qf6+ Ke3+ 57. Kg1 Qd1+ 58. Kh2 Qd6+ 59. Kg1 Qd5 60. Qc3+ Ke2 61. Qc2+ Qd2 62. Qc4+ Kd1 63. Qxe6 e3 0-1