[Event "Ch Hamburg (open)"] [Site "masterchessopen.com Hamburg (Germany)"] [Date "2007.05.29"] [Round "4"] [White "Bach Matthias (GER)"] [Black "Putzbach Gerd (GER)"] [Result "0-1"] [WhiteElo "2276"] [BlackElo "2261"] [ECO "D21"] [Opening "QGA: Alekhine Defence"] 1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e4 b5 5.a4 Bb7 6.axb5 axb5 7.Rxa8 Bxa8 8.Nc3 c6 9.Be2 e6 10.O-O Nf6 11.e5 Nd5 12.Ne4 h6 13.Ne1 Nd7 14.b3 cxb3 15.Qxb3 Be7 16.Qg3 g6 17.Nd3 Qb6 18.Bb2 O-O 19.Rc1 Bb7 20.Ndc5 Nxc5 21.dxc5 Qa5 22.Bd3 Qb4 23.Rb1 Bc8 24.Bc1 Qe1+ {#R} 0-1