[Event "It \"] [Site "masterchessopen.com – Las Vegas (USA)"] [Round "2"] [White "Summerscale Aaron (ENG)"] [Black "Yermolinsky Alex (USA)"] [Result "1-0"] [WhiteElo "2503"] [BlackElo "2577"] [ECO "E20"] [Opening "Nimzo-Indian: 4.f3 d5"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3 d5 5.a3 Bxc3+ 6.bxc3 c6 7.e3 b6 8.cxd5 cxd5 9.Bb5+ Nbd7 10.a4 a6 11.Bd3 O-O 12.Ne2 Bb7 13.O-O Rc8 14.Ba3 Re8 15.Rc1 e5 16.Ng3 g6 17.Qe2 a5 18.Qa2 h5 19.e4 h4 20.Ne2 exd4 21.cxd4 {#r} 1-0