[Event "URS-ch25 Semifinal"]
[Site "Sverdlovsk"]
[Date "1957.12.01"]
[Round "14"]
[White "Borisenko, Georgy Konstantinov"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 8. e4 c6 9. h3 Qa5 10. Be3 exd4 11. Bxd4 Nb6 12. Nd2 Be6 13. Qe2 c5 14. Be3 Qb4 15. e5 Nfd7 16. exd6 Nxc4 17. Nd5 Bxd5 18. Bxd5 Nxd6 19. Rab1 Rac8 20. Qd3 Nf5 21. a3 Qb6 22. Bf4 Nf6 23. Bg2 Nh5 24. b4 Nxf4 25. gxf4 Rfd8 26. Qc2 Nd4 27. Qc4 Qc7 28. bxc5 Qxf4 29. Ne4 Nf3+ 30. Bxf3 Qxf3 31. Rb3 Rd4 32. Qxd4 Qxb3 33. Qd7 1/2-1/2