38th USSR Championship — Riga 1970ROUND 7
[Event "URS-ch38 Final"]
[Site "Riga"]
[Date "1970.12.05"]
[Round "7"]
[White "Dementiev, Oleg I"]
[Black "Tukmakov, Vladimir B"]
[Result "1/2-1/2"]
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. f4 Be7 9. a4 Nc6 10. Be3 O-O 11. Kh1 Bd7 12. Nb3 b6 13. Qd2 Rfd8 14. f5 Bc8 15. fxe6 fxe6 16. Qe1 Rb8 17. Qg3 Rf8 18. Rad1 Nd7 19. Rxf8+ Bxf8 20. Nd4 Nxd4 21. Bxd4 Ne5 22. Bxe5 dxe5 23. b3 Ra8 24. Bc4 Ra7 25. Qd3 Qc6 26. Qg3 Qc7 27. Qg4 Qf7 28. h3 Be7 29. Rf1 Qg6 30. Qf5 Bd6 31. Rd1 Bc7 32. Qf2 h6 33. a5 Qf6 34. Qg1 Bd8 35. axb6 Rb7 36. Na4 Rb8 37. Qe3 Be7 38. Rf1 Qg6 39. Qd3 Bb7 40. Qd7 Qxe4 41. Qxe6+ Kh8 42. Rg1 Ba3 43. c3 Rc8 44. Qd7 a5 45. Be6 Rf8 46. Qd2 Be7 47. Qe1 1/2-1/2