[Event "It (open)"] [Site "masterchessopen.com Pizol"] [Round "3"] [White "Kuemin Simon (SUI)"] [Black "Brandenberger Walter"] [Result "1-0"] [WhiteElo "2381"] [ECO "D91"] [Opening "Gruenfeld: 5.Bg5"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bg5 e6 6.e3 O-O 7.Be2 b6 8.cxd5 exd5 9.O-O Bb7 10.Rc1 Re8 11.h3 Nbd7 12.Nb5 c5 13.Nd6 Rb8 14.Nxe8 Qxe8 15.Bf4 Rc8 16.dxc5 bxc5 17.Bb5 Ne4 18.Qa4 {#r} 1-0