[Event "URS-ch25 Final"]
[Site "Riga"]
[Date "1958.01.31"]
[Round "11"]
[White "Polugaevsky, Lev"]
[Black "Kortschnoj, Viktor Lvovich"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 e6 7. Bd2 b6 8. Rc1 Bb7 9. Be2 Nbd7 10. O-O Ne4 11. Rfd1 dxc4 12. Qxc4 Nd6 13. Qb3 c5 14. Be1 cxd4 15. Nxd4 Nc5 16. Qa3 Qg5 17. Bf1 Rfd8 18. Ncb5 Nxb5 19. Nxb5 a6 20. Nd4 Bxd4 21. exd4 Rxd4 22. Rxd4 Qxc1 23. Bd2 Qb1 24. b4 e5 25. Rc4 Ne6 26. Qe3 Rd8 27. Rc1 Qf5 28. Bc3 Nd4 29. Bb2 Rd7 30. a4 Kg7 31. Rc4 Qe4 32. Qxe4 Bxe4 33. f4 f6 34. fxe5 fxe5 35. Rc8 Bb7 36. Rb8 Kf6 37. h3 Nc6 38. Rf8+ Kg7 39. Re8 Rd1 40. b5 axb5 41. axb5 Kf7 1/2-1/2