[Event "92nd ch-ARG 2017"] [Site "Buenos Aires ARG"] [Date "2017.10.12"] [EventDate "?"] [Round "1.6"] [Result "1-0"] [White "Sandro Mareco"] [Black "Pablo Ismael Acosta"] [ECO "A13"] [WhiteElo "2644"] [BlackElo "2409"] [PlyCount "54"] 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 a6 5. O-O Be7 6. d4 dxc4 7. Ne5 Nd5 8. Nxc4 b5 9. Ne5 Bb7 10. e4 Nf6 11. Qc2 O-O 12. Be3 a5 13. Nc3 c6 14. a4 Na6 15. Rfd1 Rc8 16. axb5 cxb5 17. Qd3 b4 18. Na4 Nb8 19. d5 Ba6 20. Qd4 exd5 21. exd5 Bd6 22. Nc6 Qc7 23. Rdc1 Rce8 24. Nxb4 Qe7 25. Nc6 Nxc6 26. dxc6 Bb5 27. Nb6 1-0