[Event "11th Philadelphia Open"] [Site "Philadelphia USA"] [Date "2017.04.13"] [Round "3.9"] [White "Li,Ruifeng"] [Black "Lederer,Y"] [Result "1-0"] [WhiteElo "2565"] [BlackElo "2317"] [EventType "swiss"] [ECO "B23"] [Opening "Sicilian: Closed"] 1.e4 c5 2.Nc3 e6 3.Nf3 a6 4.g3 b5 5.Bg2 Bb7 6.d3 d6 7.O-O Nd7 8.Ng5 Be7 9.f4 Qc7 10.f5 e5 11.Nd5 Bxd5 12.exd5 Bxg5 13.Bxg5 Ngf6 14.Qe2 O-O 15.c4 Rfb8 16.g4 e4 17.dxe4 bxc4 18.Bf4 Re8 19.g5 Nxd5 20.Bg3 N5b6 21.f6 g6 22.h4 h5 23.gxh6 Kh7 24.h5 Ne5 25.hxg6+ fxg6 26.Rad1 Rad8 27.f7 Nxf7 28.Rf6 Ne5 29.Bxe5 dxe5 30.Rdf1 Re7 31.Qg4 Rg8 32.Qg5 Nc8 33.Bh3 Nd6 34.Be6 {#r} 1-0