[Event "It (open)"] [Site "masterchessopen.com Bad Ragaz (Switzerland)"] [Round "2"] [White "Buecheler Walter"] [Black "Scheidegger Claude (SUI)"] [Result "0-1"] [BlackElo "1813"] [ECO "B22"] [Opening "Sicilian: Alapin, 2...e6 3.d4 d5"] 1.e4 c5 2.c3 e6 3.d4 d5 4.Bb5+ Nc6 5.e5 Qb6 6.Bxc6+ bxc6 7.Nf3 Ba6 8.Nbd2 cxd4 9.cxd4 Nh6 10.Qb3 Qa5 11.Qc3 Qb5 12.Ng1 Bb4 13.Qc2 Qf1# 0-1