[Event "URS-ch25 Quarterfinal"]
[Site "Minsk"]
[Date "1957.05.19"]
[Round "16"]
[White "Vark, Kalju"]
[Black "Sokolsky, Alexey Pavlovich"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. e3 d5 6. Be2 Bd6 7. O-O Nbd7 8. Nd2 O-O 9. b3 c5 10. Bb2 Rc8 11. Rc1 Qe7 12. Re1 Rfd8 13. Bf3 Nf8 14. Qe2 Ng6 15. g3 cxd4 16. exd4 Ba3 17. Bxa3 Qxa3 18. cxd5 Bxd5 19. Bxd5 Nxd5 20. Nc4 Qa6 21. Ne4 Rc7 22. Rcd1 h6 23. Rd2 Nge7 24. a4 Rcd7 25. Qf3 Nc6 26. Red1 Nde7 27. Ne5 Nxe5 28. dxe5 Rxd2 29. Rxd2 Rxd2 30. Nxd2 Qa5 31. Qd3 Ng6 32. f4 Qc5+ 33. Kg2 Qc1 34. Ne4 Kh7 35. Nd6 Kg8 36. Qc4 Qd2+ 1/2-1/2