[Event "Sunny Beach"] [Site "Sunny Beach BUL"] [Date "1974.09.??"] [EventDate "?"] [Round "11"] [Result "1-0"] [White "Dimitar Slavov"] [Black "Nikola Spiridonov"] [ECO "A05"] [WhiteElo "?"] [BlackElo "2440"] [Source "Perpetual Check"] [PlyCount "64"] 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O e6 5. d3 c5 6. e4 d6 7. Nbd2 Qc7 8. Re1 Nc6 9. Nf1 Be7 10. Bf4 Nd7 11. c3 O-O 12. h4 b4 13. d4 bxc3 14. bxc3 Na5 15. e5 Rfd8 16. N1d2 dxe5 17. dxe5 c4 18. Nd4 Bxg2 19. Kxg2 Nc5 20. Qg4 Nd3 21. Re3 Nc6 22. N2f3 Rd5 23. Nxe6 fxe6 24. Qxe6+ Kh8 25. Qxd5 Rf8 26. Re4 Na5 27. Rf1 Nc5 28. e6 Qc8 29. Re2 Rd8 30. Qh5 Qb7 31. Kg1 Rf8 32. Ne5 Kg8 1-0