[Event "Ch MVS"] [Site "masterchessopen.com Bad Soden (Germany)"] [Round "7"] [White "Maier Wolfram"] [Black "Mainka Walter"] [Result "0-1"] [ECO "D22"] [Opening "QGA: Alekhine, 4.e3"] 1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 b5 5.Nc3 c6 6.a4 Bb7 7.Be2 e6 8.O-O Nf6 9.Bd2 Nbd7 10.h3 Be7 11.e4 O-O 12.e5 Nd5 13.Ne4 h6 14.Rb1 c5 15.Nxc5 Nxc5 16.dxc5 Bxc5 17.b3 c3 18.Bc1 b4 19.Qc2 Ne7 20.Rd1 Qb6 21.Bf1 Bxf3 22.gxf3 Rad8 23.Bf4 Ng6 24.Bg3 Rd4 25.Rxd4 Bxd4 26.Qe2 a5 27.Qb5 Qxb5 28.axb5 Bxe5 29.Bxe5 Nxe5 30.f4 Nf3+ 31.Kg2 Nd2 32.Rd1 Nxb3 {#R} 0-1