38th USSR Championship — Riga 1970ROUND 4
[Event "URS-ch38 Final"]
[Site "Riga"]
[Date "1970.11.30"]
[Round "4"]
[White "Stein, Leonid"]
[Black "Liberzon, Vladimir Mikhailovi"]
[Result "1-0"]
1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 Nbd7 7. Qc2 c6 8. b3 b6 9. Nc3
Bb7 10. Rd1 Rc8 11. e4 Nxe4 12. Nxe4 dxe4 13. Qxe4 Qc7 14. Bf4 Bd6 15. Bxd6 Qxd6 16. c5
Qc7 17. b4 Nf6 18. Qe1 Nd5 19. Ne5 Rfd8 20. Nc4 Ba6 21. Nd6 Rxd6 22. cxd6 Qxd6 23. a3 Bc4
24. Qe5 Qd7 25. Rdc1 b5 26. Bf1 Nb6 27. Bxc4 Nxc4 28. Qf4 Qd5 29. a4 Nb2 30. Rc5 Qd8 31.
axb5 Nd3 32. Qf3 Nxc5 33. dxc5 cxb5 34. Rxa7 Qe8 35. Rb7 h6 36. Qe2 Rb8 37. Rxb8 Qxb8 38.
Qd3 Qb7 39. Qd6 Qe4 40. Qb8+ Kh7 41. Qxb5 Qe1+ 42. Kg2 Qe4+ 43. Kf1 Qb1+ 44. Ke2 Qc2+ 45.
Ke3 Qc1+ 46. Kf3 Qd1+ 47. Qe2 Qb3+ 48. Qe3 Qd1+ 49. Kg2 Qd5+ 50. Qf3 Qc4 51. Qf4 1-0