[Event "National Open"] [Site "Las Vegas USA"] [Date "2012.06.16"] [EventDate "2012.06.15"] [Round "3"] [Result "1-0"] [White "Alberto Pinheiro Mascarenhas"] [Black "Matt D Helfst"] [ECO "A13"] [WhiteElo "2246"] [BlackElo "1930"] [PlyCount "35"] 1. c4 e6 2. e4 d5 3. cxd5 exd5 4. exd5 Qxd5 5. Nc3 Qd7 6. Nf3 Bd6 7. Bb5 Nc6 8. O-O Nge7 9. d4 a6 10. Bd3 h6 11. Ne4 O-O 12. Bxh6 Nf5 13. Be3 Re8 14. Re1 Bb4 15. Re2 Rd8 16. a3 Ba5 17. Nc5 Qd6 18. Bxf5 1-0