[Event "URS-ch25 Quarterfinal"]
[Site "Minsk"]
[Date "1957.05.19"]
[Round "16"]
[White "Roizman, Abram Yakovlevich"]
[Black "Petersons, Andrejs"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 Nbd7 7. O-O e5 8. Re1 c6 9. Bf1 h6 10. b3 Nh7 11. Ba3 Qa5 12. Bb2 Ng5 13. Nxg5 hxg5 14. dxe5 Bxe5 15. Qc2 Nc5 16. a3 Ne6 17. Ne2 Bd7 18. Rad1 Rad8 19. b4 Qc7 20. Nc1 Bc8 21. Nd3 Nd4 22. Qd2 Bg4 23. Rb1 Qe7 24. Nxe5 dxe5 25. Qc3 b6 26. a4 a6 27. Ba3 b5 28. Bb2 Be6 29. axb5 axb5 30. cxb5 cxb5 31. Bxb5 Ba2 32. Ra1 Nxb5 33. Qg3 Bc4 34. Bxe5 Rd3 35. f3 Re8 36. Bb2 Qxb4 37. Bf6 Qc5+ 38. Kh1 Rd6 39. e5 Rxf6 40. exf6 Be6 41. Re5 Qc3 42. Rae1 Nd6 43. h4 gxh4 44. Qxh4 Bd7 45. Qh6 Qxe1+ 46. Rxe1 Rxe1+ 47. Kh2 Ne8 48. Qd2 Re6 49. Qxd7 Nxf6 1/2-1/2