[Event "It (open)"] [Site "masterchessopen.com Gdynia (Poland)"] [Round "0"] [White "Seifert Henryk (POL)"] [Black "Dukaczewski Piotr (POL)"] [Result "1-0"] [WhiteElo "2176"] [BlackElo "2310"] [ECO "B31"] [Opening "Sicilian: Rossolimo, 3...g6 4.O-O"] 1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3 a6 6.Bxc6 bxc6 7.d4 cxd4 8.cxd4 Qc7 9.Nc3 e6 10.Bg5 Nf6 11.e5 Nd5 12.Ne4 O-O 13.Qd2 a5 14.Nf6+ Nxf6 15.Bxf6 h6 16.Rfe1 Bxf6 17.exf6 Kh7 18.Re4 a4 19.Qxh6+ Kxh6 20.Rh4# 1-0