38th USSR Championship — Riga 1970ROUND 6
[Event "URS-ch38 Final"]
[Site "Riga"]
[Date "1970.12.02"]
[Round "6"]
[White "Mikenas, Vladas Ivanovich"]
[Black "Dementiev, Oleg I"]
[Result "1-0"]
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 h6 7. Be3 e5 8. d5 a5 9. Qd2 Kh7 10. f3 Na6 11. g4 Ne8 12. h4 Bd7 13. Nh3 Nc5 14. Nf2 Rh8 15. h5 g5 16. b3 Nf6 17. Rb1 Qb8 18. O-O Rd8 19. Nh1 Ne8 20. Ng3 Na6 21. a3 c5 22. Bd3 f6 23. Nf5 Bf8 24. Kh1 Ng7 25. Ng3 Be7 26. Qe2 Rg8 27. Bd2 Qc8 28. Rb2 Rf8 29. Rg1 Rg8 30. Nf1 Ne8 31. Ne3 Ng7 32. Rgb1 Be8 33. Kh2 Rf8 34. Qe1 b6 35. Nc2 Bd8 36. Be3 Rf7 37. Qg1 Rfa7 38. Nb5 Rd7 39. b4 axb4 40. axb4 Nc7 41. bxc5 bxc5 42. Na7 Rxa7 43. Rb8 Qa6 44. Ra1 Qxa1 45. Nxa1 Na6 46. Rb2 Rdb7 47. Rxb7 Rxb7 48. Qc1 Nb4 49. Bb1 Kg8 50. Bd2 Kf8 51. Qa3 Ke7 52. Nb3 Rb6 53. Qa7+ Bd7 54. Nxc5 dxc5 55. Bxb4 Ke8 56. Bxc5 Rxb1 57. Qa8 Rb3 58. Kg2 1-0