[Event "URS-ch25 Quarterfinal"]
[Site "Minsk"]
[Date "1957.05.19"]
[Round "16"]
[White "Ostrauskas, A"]
[Black "Shagalovich, Abo I"]
[Result "1/2-1/2"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2 dxe4 5. Qg4 Qxd4 6. O-O-O Nf6 7. Qxg7 Rg8 8. Qh6 Bf8 9. Qe3 Qxe3 10. Bxe3 Bd7 11. Bd4 Be7 12. Bxf6 Bxf6 13. Nxe4 Be7 14. g3 Bc6 15. f3 Nd7 16. Bg2 Ne5 17. Nh3 f5 18. Nd2 Kf7 19. Rhe1 Ng6 20. Re2 h5 21. f4 Bxg2 22. Rxg2 h4 23. Nf3 Bd6 24. Re2 Rae8 25. Rde1 hxg3 26. Nhg5+ Kg7 27. hxg3 Nf8 28. Nd4 Kf6 29. Ndxe6 Nxe6 30. Rxe6+ Rxe6 31. Rxe6+ Kg7 32. Kd2 Rh8 33. Re2 Rh1 34. Nf3 Kf6 35. Rh2 Rf1 36. Nd4 Kg6 37. Ne2 a5 38. a4 Rb1 39. Kc3 Bb4+ 40. Kb3 Rd1 41. Rh8 Rd2 42. Nc3 Rg2 43. Rg8+ Kf7 44. Rg5 Bxc3 45. Kxc3 Kf6 46. b3 c6 47. Rg8 Ke6 48. Re8+ Kd6 49. Re5 Rxg3+ 50. Kc4 Rg2 51. c3 Rf2 52. Rxf5 Rf3 53. Kd4 b6 54. Rf6+ Kd7 55. Rf7+ Ke6 56. Rb7 Rxf4+ 57. Ke3 Rf5 58. Rxb6 Kd6 59. Rb7 Rh5 60. Ra7 Rg5 1/2-1/2