[Event "Chigorin Memorial-03"]
[Site "Sochi"]
[Date "1963.06.09"]
[Round "8"]
[White "Polugaevsky, Lev"]
[Black "Krogius, Nikolai V"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. d4 e5 7. dxe5 Ng4 8. Nbd2 Nc6 9. O-O dxe5 10. h3 Nh6 11. e4 f5 12. Nc4 Qxd1 13. Raxd1 Nf7 14. exf5 gxf5 15. Nh4 f4 16. Rfe1 Ng5 17. g4 e4 18. Rd5 h6 19. Bxg7 Kxg7 20. Nd2 f3 21. Bf1 Rf4 22. Kh2 Be6 23. Nf5+ Rxf5 24. Rxf5 Bxf5 25. gxf5 Rf8 26. h4 Nh7 27. Rxe4 Rxf5 28. Rg4+ Kh8 29. Bd3 Rf8 30. Be4 Ne5 31. Rg3 Rf4 32. Kh3 b6 1/2-1/2