[Event "BUL-ch"] [Site "Plovdiv BUL"] [Date "1969.02.??"] [EventDate "?"] [Round "?"] [Result "0-1"] [White "Ivan Radulov"] [Black "Nikola Spiridonov"] [ECO "A03"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "68"] 1. f4 d5 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nf6 5. O-O O-O 6. d3 c5 7. c3 Nc6 8. Na3 d4 9. e4 e5 10. f5 gxf5 11. exf5 dxc3 12. bxc3 e4 13. Ne1 Ne5 14. Be3 Qa5 15. Qb3 exd3 16. Nc4 Nxc4 17. Qxc4 b6 18. Bxa8 Ba6 19. Qh4 Rxa8 20. Bd2 Re8 21. Nf3 Re4 22. Qh3 Bb7 23. Rae1 Rxe1 24. Bxe1 Qxa2 25. g4 Qd5 26. Qg3 Ne4 27. Qb8+ Bf8 28. c4 Qd7 29. Qf4 b5 30. Ne5 Qd4+ 31. Bf2 Nxf2 32. Rxf2 Qxf4 33. Rxf4 d2 34. Rf1 Bg7 0-1