[Event "URS-ch30 Semifinal"]
[Site "Riga"]
[Date "1962.08.??"]
[Round "?"]
[White "Lazarev, Gennady"]
[Black "Stein, Leonid"]
[Result "0-1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. d5 Na6 8. O-O Nc5 9. Qc2 a5
10. Be3 Ng4 11. Bg5 f6 12. Bh4 Bd7 13. Nd2 h5 14. Bxg4 hxg4 15. f3 gxf3 16. Nxf3 Qe8 17.
Rae1 b6 18. Qd2 f5 19. Bg5 Rf7 20. Nh4 Kh7 21. Rf2 fxe4 22. Nxe4 Nxe4 23. Rxe4 Rxf2 24.
Qxf2 Qf8 25. Nf3 Bf5 26. Rh4+ Kg8 27. Be3 Bd3 28. Rh3 Bf5 29. Rg3 Rc8 30. b3 a4 31. b4 Bd3
32. Rh3 Qf5 33. Qh4 g5 34. Bxg5 e4 35. Nd2 Rf8 36. g4 Bd4+ 37. Be3 Bxe3+ 38. Rxe3 Qe5 39.
Kg2 a3 40. Qh6 Rf6 41. Qh5 Qf4 42. g5 Rf7 43. Qg6+ Kf8 44. Qh6+ Rg7 45. c5 Qxe3 46. Qf6+
Ke8 47. Qxg7 Qxd2+ 48. Kh3 Qe3+ 49. Kg4 Qf3+ 50. Kh4 Qf4+ 0-1