[Event "Ch NRW"] [Site "masterchessopen.com - Cologne (Germany)"] [Round "2"] [White "Hoffmann Peter (GER)"] [Black "Klotz Stefan"] [Result "1-0"] [WhiteElo "1766"] [BlackElo "1930"] [ECO "A23"] [Opening "English: Bremen, Keres System"] 1.c4 e5 2.Nc3 Nf6 3.g3 c6 4.d4 exd4 5.Qxd4 d5 6.cxd5 cxd5 7.Bg2 Nc6 8.Qd1 d4 9.Nb1 Bb4+ 10.Bd2 O-O 11.Nf3 d3 12.e3 Ne4 13.O-O Qf6 14.Bxb4 Nxb4 15.Nd4 Ng5 16.Qd2 Nc2 17.Nxc2 dxc2 18.Qxc2 Bh3 19.Qe2 Rac8 20.Nc3 b5 21.f4 Bxg2 22.Qxg2 Rfd8 23.fxg5 Qxg5 24.Qf3 b4 25.Ne4 Qe7 26.Rac1 Rxc1 27.Rxc1 g6 28.Qf6 Qd7 29.Rf1 Qe8 30.Qf4 {#r} 1-0