[Event "It (open)"] [Site "masterchessopen.com - Bargteheide (Germany)"] [Round "0"] [White "Bohnsack Ralf (GER)"] [Black "Haack Stefan (GER)"] [Result "1-0"] [WhiteElo "2153"] [BlackElo "1914"] [ECO "A60"] [Opening "Benoni: 4.Nc3 exd5 5.cxd5"] 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 Bg4 7.Nd2 b5 8.Nxb5 Nxd5 9.Nc4 Be6 10.e4 Nb4 11.Ncxd6+ Bxd6 12.Nxd6+ Ke7 13.e5 N8c6 14.a3 Na2 15.Bf4 Nd4 16.Bc4 Bxc4 17.Nxc4 Qd5 18.Ne3 Qe6 19.O-O Rab8 20.Rb1 Rhd8 21.Bg5+ f6 22.exf6+ gxf6 23.Re1 Kf7 24.Qh5+ Kg8 25.Ng4 Rxb2 26.Nxf6+ {#r} 1-0