[Event "112th US Open"] [Site "Orlando, FL USA"] [Date "2011.08.04"] [EventDate "2011.07.30"] [Round "4"] [Result "0-1"] [White "Robert M Perez"] [Black "Marc Esserman"] [ECO "B23"] [WhiteElo "2210"] [BlackElo "2453"] [PlyCount "36"] 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Be3 Nf6 8. Be2 O-O 9. Nb3 Be6 10. O-O Rc8 11. g4 Na5 12. Nxa5 Qxa5 13. Bd4 Bxg4 14. Bxg4 Nxg4 15. Nd5 Bxd4+ 16. Qxd4 e5 17. Qd1 Qc5+ 18. Kg2 Qxd5 0-1