[Event "Mar del Plata op"] [Site "Mar del Plata ARG"] [Date "2007.04.04"] [Round "6"] [White "Kovalyov, Anton"] [Black "Mussanti, Diego"] [Result "1-0"] [WhiteElo "2475"] [BlackElo "2316"] [ECO "D36"] [EventDate "2007.03.31"] [PlyCount "51"] [EventType "swiss"] [EventRounds "9"] [EventCountry "ARG"] [Source "Mark Crowther"] [SourceDate "2007.04.09"] 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Qc2 c6 8. Bd3 Nbd7 9. Nge2 Re8 10. O-O Nf8 11. f3 Be6 12. Bh4 Rc8 13. Kh1 c5 14. dxc5 Rxc5 15. Nd4 N6d7 16. Bf2 Ne5 17. Nxe6 fxe6 18. Bb5 Nc6 19. Qe2 a6 20. Bd3 Ne5 21. Rad1 Nxd3 22. Rxd3 Bf6 23. e4 Ra5 24. b4 Ra3 25. e5 Qc8 26. Qb2 1-0