[Event "Match/Nation BUL-URS"]
[Site "Sofia"]
[Date "1957.??.??"]
[Round "?"]
[White "Filchev, Rusko"]
[Black "Krogius, Nikolai V"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. e4 e5 7. d5 c5 8. Nge2 Nbd7 9. O-O Nh5 10. Be3 f5 11. f3 f4 12. Bd2 Nb6 13. b3 g5 14. g4 Nf6 15. Nc1 Rf7 16. Nd3 Bf8 17. Kf2 h5 18. h3 Rh7 19. Rh1 Bd7 20. Ke2 Nc8 21. Nf2 Ne7 22. Kd3 Ng6 23. Bf1 Be7 24. Be2 Kf7 25. Qc2 a6 26. a4 b6 27. Qb2 Rb8 28. Kc2 Qc7 29. b4 hxg4 30. hxg4 Rbh8 31. Rxh7+ Rxh7 32. Rh1 Rxh1 33. Nxh1 cxb4 34. Qxb4 Be8 1/2-1/2