[Event "URS-ch25 Quarterfinal"]
[Site "Minsk"]
[Date "1957.05.21"]
[Round "17"]
[White "Petersons, Andrejs"]
[Black "Skuja, Roberts"]
[Result "1-0"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O Nc6 5. d3 e6 6. Nbd2 Be7 7. c3 O-O 8. e4 dxe4 9. dxe4 Qc7 10. Qe2 b6 11. Re1 Bb7 12. Nf1 Rad8 13. e5 Nd7 14. Bf4 Rfe8 15. h4 Nf8 16. h5 Rd7 17. Ne3 Na5 18. Ng4 Qc8 19. Nd2 Ba6 20. Nh6+ gxh6 21. Qg4+ Bg5 22. Bxg5 f5 23. exf6 hxg5 24. Qxg5+ Kh8 25. Re4 Rf7 26. b4 cxb4 27. cxb4 Qc3 28. Rae1 Qxf6 29. Qxf6+ Rxf6 30. bxa5 Rd8 31. Nb3 bxa5 32. Ra4 Rf5 33. Rxa5 Rxa5 34. Nxa5 Rd2 35. a3 Bb5 36. Nb3 Rd6 37. Nc5 Kg7 38. Bf3 Bc6 39. Kg2 Kf6 40. Ne4+ Bxe4 41. Rxe4 Ra6 42. Rf4+ Ke7 43. a4 Ra5 44. Rb4 Nd7 45. Bd1 Kf6 46. Rb7 Nf8 47. Bb3 h6 48. f4 Ra6 49. f5 Rb6 50. Rxb6 axb6 51. fxe6 Nh7 52. Kf3 Ke7 53. Kf4 Nf6 54. g4 1-0