[Event "URS-ch39 Semifinal"]
[Site "Daugavpils"]
[Date "1971.06.??"]
[Round "?"]
[White "Lerner, Konstantin Z"]
[Black "Karpov, Anatoly"]
[Result "0-1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. g3 Nge7 7. Nb3 Na5 8. Bg2 Nec6 9.
O-O d6 10. Nd2 Bd7 11. b3 Be7 12. Bb2 O-O 13. Nf3 Qc7 14. Ne2 Rfd8 15. Nf4 b5 16. h4 Rac8
17. Rc1 h6 18. Qe2 Nb7 19. e5 Bf8 20. Nh5 Be8 21. Rfd1 Nb4 22. Qe4 d5 23. Qg4 Nxa2 24. Ra1
Nc3 25. Rd3 Ne4 26. Nd4 Nbc5 27. Re3 Qxe5 28. f4 Nf6 29. Nxf6+ Qxf6 30. Rb1 Qe7 31. Rbe1
f5 32. Qh3 Ne4 33. g4 Bd7 34. g5 h5 35. g6 Qf6 36. Bxe4 dxe4 37. Rg3 Bc5 38. c3 b4 39. Kh1
bxc3 40. Bxc3 Bxd4 41. Bxd4 Qxd4 42. Qg2 e3 43. Qe2 0-1