[Event "Tournament (b)"] [Site "masterchessopen.com Mehlingen (Germany)"] [Round "0"] [White "Siefert U"] [Black "Nazarenus Olaf (GER)"] [Result "1-0"] [BlackElo "2046"] [ECO "B70"] [Opening "Sicilian: Dragon"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O Rc8 11.Bb3 Ne5 12.Kb1 Nc4 13.Bxc4 Rxc4 14.Nb3 a5 15.h4 a4 16.Na1 a3 17.Nb3 axb2 18.Bd4 Qa8 19.Bxf6 Bxf6 {#r} 1-0