[Event "Memorial Jerry Hanken (open)"] [Site "masterchessopen.com – Stillwater (USA)"] [Date "2011.02.19"] [Round "1"] [White "Carlson Curtis (USA)"] [Black "Johnson Chuck (USA)"] [Result "1-0"] [WhiteElo "2260"] [BlackElo "1857"] [ECO "D85"] [Opening "Gruenfeld: Exchange, 5.e4"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Nf3 c5 8.Rb1 Nc6 9.Be3 Qa5 10.Qd2 cxd4 11.cxd4 Qxd2+ 12.Kxd2 O-O 13.Bc4 Na5 14.Rhc1 Nxc4+ 15.Rxc4 b6 16.Rc7 e6 17.Bg5 Ba6 18.Rbc1 Bb5 19.Re7 f6 20.Rcc7 {#r} 1-0