[Event "URS-ch38 Final"]
[Site "Riga"]
[Date "1970.12.13"]
[Round "13"]
[White "Dementiev, Oleg I"]
[Black "Averbakh, Yuri L"]
[Result "1-0"]
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Nb3 e6 8. Be2 h6 9. Bh4 a6 10. O-O Qb6 11. Kh1 Be7 12. Bxf6 gxf6 13. Bh5 Rh7 14. Qd3 O-O-O 15. f4 Rg7 16. Rad1 Na5 17. f5 Nxb3 18. axb3 Kb8 19. Qd2 Rh8 20. Qf4 Qc5 21. Rd3 Qc8 22. Rfd1 Bc6 23. R1d2 Qf8 24. Ne2 Rg5 25. Bf3 Bd7 26. c4 Bc8 27. Nc3 h5 28. Na4 Rgg8 29. Qe3 Qh6 30. Qf2 Qf4 31. Nb6 Qe5 32. b4 Rd8 33. Qe3 Bf8 34. Qe2 Bh6 35. Rd1 h4 36. c5 exf5 37. Nc4 Qf4 38. Rd4 Bf8 39. e5 Qh6 40. exd6 Bd7 41. Na5 Re8 42. Qf1 h3 43. g3 Bb5 44. d7 Rd8 45. Qe1 1-0