[Event "It (open) \"] [Site "Sunningdale (England)"] [Date "2011.09.16"] [Round "1"] [White "Seymour Timothy P (ENG)"] [Black "Haydon David L (ENG)"] [Result "0-1"] [WhiteElo "2051"] [BlackElo "2290"] [ECO "A05"] [Opening "Reti: 1...Nf6"] 1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.g3 O-O 5.Bg2 c5 6.O-O Nc6 7.d3 d6 8.a3 d5 9.cxd5 Nxd5 10.Nxd5 Qxd5 11.Qc2 Qd6 12.Be3 b6 13.Rfd1 e5 14.d4 exd4 15.Nxd4 Bxd4 16.Bxc6 Qxc6 17.Bxd4 Bb7 18.e4 cxd4 19.Qxc6 Bxc6 20.Rxd4 Rfd8 21.Rad1 Rxd4 22.Rxd4 Kf8 {#R} 0-1