[Event "Ch Switzerland"] [Site "Silvaplana (Switzerland)"] [Round "4"] [White "Vonlanthen Markus (SUI)"] [Black "Stoffregen Guenter (SUI)"] [Result "0-1"] [WhiteElo "2070"] [BlackElo "1984"] [ECO "C05"] [Opening "French: Tarrasch, Closed, 4.e5"] 1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 f6 8.exf6 Nxf6 9.O-O cxd4 10.cxd4 Bd6 11.Nf3 Qc7 12.Nc3 a6 13.Bg5 O-O 14.Re1 Ng4 15.h3 Bh2+ 16.Kf1 Nxf2 17.Kxf2 Qg3+ 18.Ke3 e5 19.Ne2 Qxg2 20.Nxh2 Qxg5+ {#R} 0-1