[Event "URS-ch18 Semifinal"]
[Site "Tula"]
[Date "1950.??.??"]
[Round "15"]
[White "Gusev, Nikolay Nikolaevich"]
[Black "Averbakh, Yuri L"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Qb3 e6 6. Nf3 O-O 7. Bd3 b6 8. O-O Bb7 9. Ne5 Nbd7 10. f4 c5 11. cxd5 exd5 12. Qa4 a6 13. Qd1 c4 14. Bc2 b5 15. a3 Ne4 16. Qg4 Ndf6 17. Qe2 Ne8 18. Nxe4 dxe4 19. f5 g5 20. Bd2 f6 21. Ng4 Nd6 22. Bb4 Re8 23. a4 h5 24. Nf2 Nxf5 25. Nd1 Ne7 26. Qxh5 Nd5 27. Bd2 b4 28. Nf2 c3 29. bxc3 bxc3 30. Rab1 cxd2 31. Rxb7 Re7 32. Rxe7 Qxe7 33. Bb3 Rd8 34. Qg6 Qb7 35. Bxd5+ Qxd5 36. Nxe4 Qe6 37. Nxf6+ Qxf6 38. Rxf6 d1=Q+ 39. Rf1 Qe2 40. Qe6+ Kh8 41. Qh3+ Kg8 42. Qe6+ 1/2-1/2