[Event "Chigorin Memorial-06"]
[Site "Sochi"]
[Date "1966.??.??"]
[Round "5"]
[White "Polugaevsky, Lev"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. d3 Bf5 5. O-O e6 6. b3 Be7 7. Bb2 O-O 8. Nbd2 h6 9. e3 a5 10. a4 Nbd7 11. Qe2 Bh7 12. e4 Qb8 13. Kh1 Rc8 14. Nh4 b5 15. f4 bxa4 16. Rxa4 Nc5 17. Ra2 dxe4 18. dxe4 Qb5 19. c4 Qb7 20. f5 Nxb3 21. e5 Nd7 22. Ne4 Nbc5 23. fxe6 Nxe6 24. Nd6 Bxd6 25. exd6 Ndc5 26. Nf5 Bxf5 27. Rxf5 Rd8 28. Qd1 Qb8 29. Ba3 Rxd6 30. Qg1 Nb3 31. Bxd6 Qxd6 32. Qb6 Rb8 33. Qa7 f6 34. Rf1 Ned4 35. Re1 Kf8 36. c5 Nxc5 37. Qxa5 Nd3 38. Rf1 Ne5 39. Qa7 Nb5 40. Qe3 Rd8 41. Ra6 Nc7 1/2-1/2