[Event "URS-ch40 Semifinal"]
[Site "Odessa"]
[Date "1972.08.??"]
[Round "?"]
[White "Alburt, Lev O"]
[Black "Ruderfer, Mark B"]
[Result "1-0"]

1. e4 c5 2. Nf3 e6 3. d3 d5 4. Nbd2 Nc6 5. g3 Bd6 6. Bg2 Nge7 7. O-O O-O 8. Nh4 Bc7 9. f4 f5 10. exf5 exf5 11. c3 Be6 12. Ndf3 h6 13. Re1 Qd7 14. d4 cxd4 15. cxd4 Rac8 16. b3 Bb6 17. Ba3 Rfe8 18. Kh1 Bf7 19. Qd3 Ba5 20. Re3 Bh5 21. Bc5 b6 22. Ba3 Nb4 23. Bxb4 Bxb4 24. Ne5 Qe6 25. Neg6 Qxe3 26. Qxe3 Nxg6 27. Bxd5+ Kh7 28. Qd3 Nxh4 29. gxh4 Rc3 30. Qb5 Ba3 31. Rf1 Re7 32. Bg2 Be2 33. Qxf5+ g6 34. Qf6 Bxf1 35. Bxf1 Rc1 36. Kg2 Rc2+ 37. Kf3 Rc3+ 38. Kg2 Rc2+ 39. Kg1 Rg7 40. Bc4 Rd2 41. h5 Be7 42. Qe5 Rxd4 43. Kf1 Rd6 44. Qe4 Bh4 45. Bd3 Rgd7 46. Be2 Re7 47. Qb4 Rde6 48. Bd3 Kg7 49. hxg6 Re3 50. Qd4+ Bf6 51. Qd5 Re1+ 52. Kg2 Rd1 53. Kf3 Rd2 54. Kg4 Rc7 55. Qd6 Rb7 56. Kf5 Bb2 57. Qd5 Rc7 58. Qd8 Rc5+ 59. Ke4 Rd1 60. Qd7+ 1-0