[Event "URS-ch25 Quarterfinal"]
[Site "Minsk"]
[Date "1957.05.12"]
[Round "12"]
[White "Ostrauskas, A"]
[Black "Luik, Helmuth"]
[Result "0-1"]

1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. g3 Bd7 8. Bg2 Be7 9. Nb3 a6 10. O-O Qc7 11. Qe2 h6 12. Be3 b5 13. f4 O-O 14. a3 Rad8 15. Rad1 Bc8 16. Rd2 Nd7 17. Qf2 Na5 18. Nxa5 Qxa5 19. Ne2 Qc7 20. Rfd1 Bb7 21. g4 Qc8 22. Ng3 Qa8 23. Qe2 Kh7 24. Bd4 g6 25. c3 e5 26. fxe5 Nxe5 27. Rf1 Bc8 28. h3 Be6 29. Ra1 Bb3 30. Bf1 Bh4 31. Kh2 Bg5 32. Be3 Bc4 33. Qf2 Bxe3 34. Qxe3 Bxf1 35. Rxf1 Nc4 36. Qd4 Nxd2 37. Qxd2 d5 38. e5 Rde8 39. Qd4 Qc6 40. h4 Qc4 41. Qa7 Kg7 42. h5 Qxg4 43. hxg6 Qxg6 44. Rf6 Qc2+ 45. Rf2 Qd1 46. Qe3 Re6 47. Rf6 Rxf6 48. exf6+ Kh7 49. Qe7 Kg8 50. Qe5 Qd2+ 0-1