[Event "BRA ch"] [Site "Belo Horizonte BRA"] [Date "1966.08.??"] [EventDate "1966.08.15"] [Round "4"] [Result "1/2-1/2"] [White "Frederico Pimentel"] [Black "Marcio Miranda"] [ECO "B43"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "50"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nc6 7. Nxc6 bxc6 8. O-O Nf6 9. Qe2 e5 10. f4 Bd6 11. f5 Bc5+ 12. Kh1 h5 13. Na4 Ba7 14. c4 Bd4 15. Be3 Ng4 16. Bg1 Rb8 17. Rab1 Rb4 18. b3 c5 19. Nb2 a5 20. Bc2 d6 21. Nd1 Bd7 22. a4 Bc6 23. Ne3 Nxe3 24. Bxe3 Qd8 25. Bd2 Rb8 1/2-1/2