[Event "URS-ch41 Semifinal"]
[Site "Frunze"]
[Date "1973.07.??"]
[Round "?"]
[White "Dydyshko, Viacheslav"]
[Black "Averkin, Orest Nikolaevich"]
[Result "0-1"]
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 O-O 8. Nge2 Nbd7 9. O-O Re8 10. Qc2 Nf8 11. f3 h6 12. Bh4 c5 13. Rad1 c4 14. Bf5 Bxf5 15. Qxf5 Qd7 16. Qb1 Ne6 17. e4 dxe4 18. fxe4 Ng4 19. Bxe7 Qxe7 20. Rf3 Rad8 21. e5 Nxd4 22. Rxd4 Rxd4 23. e6 Qxe6 24. Nxd4 Qe5 25. Nce2 Qxh2+ 26. Kf1 Qh1+ 27. Ng1 Nh2+ 28. Kf2 Nxf3 29. Ndxf3 Qh5 30. Ne2 Qd5 31. Qc2 b5 32. Qc3 Qc5+ 33. Qd4 Qxd4+ 34. Nfxd4 a6 35. Nc6 f6 36. Nc3 Re6 37. Nb4 Kf7 38. Kf3 h5 39. Ne4 a5 40. Nd5 Re5 41. Ndc3 Ke6 42. a4 b4 43. Nb5 Kd5 44. Ned6 Re1 45. Nb7 Ra1 46. Nxa5 Rxa4 0-1