[Event "Chigorin Memorial-09"]
[Site "Sochi"]
[Date "1973.??.??"]
[Round "13"]
[White "Kholmov, Ratmir D"]
[Black "Spiridonov, Nikola"]
[Result "0-1"]

1. c4 g6 2. Nf3 Bg7 3. e4 d6 4. d4 Bg4 5. Be2 Nc6 6. Ng1 Bd7 7. Be3 e5 8. d5 Nd4 9. Nf3 Nxf3+ 10. Bxf3 Bh6 11. Nc3 Bxe3 12. fxe3 Qh4+ 13. g3 Qg5 14. Qe2 h5 15. O-O-O h4 16. g4 Nf6 17. Rhg1 Ke7 18. Kb1 Rhd8 19. h3 Be8 20. Rc1 Nd7 21. Qd2 a5 22. b3 Nc5 23. Kb2 c6 24. Be2 Kf8 25. Rc2 Ra6 26. Kb1 Rb6 27. Rb2 a4 28. Bd1 cxd5 29. exd5 Ra8 30. Rf1 axb3 31. axb3 Rba6 32. Ra2 Rxa2 33. Nxa2 b5 34. b4 Ne4 35. Qd3 Ng3 36. Re1 Qf6 37. Bb3 Qf2 38. Rc1 bxc4 39. Bxc4 Bb5 40. Rc2 Bxc4 41. Qxc4 Qe1+ 42. Kb2 Qxe3 43. Nc3 Qa7 44. Kc1 Qg1+ 45. Kd2 0-1