[Event "USA-ch/Zonal"]
[Site "South Bend"]
[Date "1981.??.??"]
[Round "7"]
[White "Shamkovich, Leonid Alexandrovic"]
[Black "Lein, Anatoly"]
[Result "1/2-1/2"]
[WhiteElo "2495"]
[BlackElo "2485"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 c6 5. Bb3 Nf6 6. Qe2 e5 7. dxe5 dxe5 8. Nbd2 Nh5 9. Nc4 O-O 10. Bg5 Qc7 11. O-O-O Na6 12. Qd2 Bg4 13. Qd6 Qxd6 14. Rxd6 Nc5 15. Re1 Rfe8 16. Kb1 Nxb3 17. axb3 f6 18. Be3 Bf8 19. Rd2 Ng7 20. Red1 b6 21. Nd6 Reb8 22. Nc4 Ne8 23. c3 Rb7 24. Rd8 Rab8 25. Kc2 Be7 26. R8d2 Rc7 27. b4 Rbb7 28. Ra1 Be6 29. b3 Bxc4 30. bxc4 Nd6 31. Kd3 b5 32. c5 Nc4 33. Rda2 a5 34. bxa5 Rd7+ 35. Ke2 Nxe3 36. Kxe3 Bxc5+ 37. Ke2 Kf7 38. Ne1 Bd6 39. a6 Ra7 40. Nd3 Ke7 41. Rc1 Kd8 42. c4 bxc4 43. Rxc4 Kc7 44. Rc1 Rd8 45. Nb2 Rda8 46. Rca1 Bc5 47. Nd3 Bd4 48. Rc1 Kd6 49. Rac2 Rc8 50. Ra2 Rb8 51. Rc4 Rb6 52. Rca4 c5 53. g3 Kc6 54. f4 Rb1 55. Rc2 Kb6 56. Rca2 g5 57. fxg5 fxg5 58. Nf2 Bxf2 59. Kxf2 Rb4 60. R4a3 Rxe4 61. Kf3 Rb4 62. Ke3 g4 63. Ra5 h5 64. R5a3 Kb5 65. Ra5+ Kc6 66. Rc2 Rb5 67. Ra3 Kb6 68. Ke4 Rxa6 69. Rxa6+ Kxa6 70. Kxe5 Kb6 71. Kd6 c4 1/2-1/2