[Event "URS-ch38 Final"]
[Site "Riga"]
[Date "1970.12.24"]
[Round "20"]
[White "Averbakh, Yuri L"]
[Black "Balashov, Yuri S"]
[Result "1/2-1/2"]
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Nf3 exd5 9. e3 O-O 10. Be2 c6 11. O-O Qe7 12. Re1 Nd7 13. a3 a5 14. Rc1 f5 15. Bd3 Kh8 16. Qc2 Nf6 17. Ne5 Ne4 18. f3 Nd6 19. f4 g5 20. Na4 Be6 21. Qc5 Rg8 22. Re2 Bf6 23. Nb6 Raf8 24. b4 axb4 25. axb4 Qd8 26. Nbd7 Bxd7 27. Qxd6 Be8 28. Qxd8 Bxd8 29. Kf2 Rf6 30. fxg5 Rxg5 31. Ra1 Bh5 32. Ra8 Rg8 33. Rea2 f4 34. Be2 Bxe2 35. Rxe2 Rf5 36. Rea2 Bh4+ 37. Kf3 fxe3+ 38. Kxe3 Be7 39. R8a7 Bd6 40. Kd3 Bxe5 41. dxe5 Re8 42. Rxb7 1/2-1/2