[Event "It \"] [Site "masterchessopen.com Philadelphia (USA)"] [Round "4"] [White "Shabalov Alexander (USA)"] [Black "De Firmian Nick E (USA)"] [Result "1-0"] [WhiteElo "2555"] [BlackElo "2605"] [ECO "E40"] [Opening "Nimzo-Indian: Rubinstein"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ne4 6.Bd2 Nxd2 7.Qxd2 O-O 8.Ng3 Re8 9.Bd3 g6 10.h4 h5 11.e4 d5 12.e5 Nc6 13.Nxh5 dxc4 14.Bxc4 Bb7 15.Nf6+ Kg7 16.Nxe8+ Qxe8 17.h5 Qh8 18.O-O-O gxh5 19.Qg5+ Kf8 20.Rxh5 Qg8 21.Qh4 Be7 22.Qh2 f5 23.Bxe6 Bg5+ 24.f4 {#r} 1-0