[Event "corr."] [Site "masterchessopen.com DDR"] [Round "0"] [White "Walther"] [Black "Weder Erhard"] [Result "1-0"] [ECO "D85"] [Opening "Gruenfeld: Exchange, 5.e4"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5 9.O-O Nc6 10.Be3 Qc7 11.Qc2 Na5 12.Bb3 c4 13.Ba4 a6 14.Qd2 b5 15.Bc2 Rd8 16.Bh6 Bh8 17.f4 e5 18.fxe5 Bxe5 19.Bf4 Bxf4 20.Rxf4 Nc6 21.Raf1 Rd7 22.Rf6 Kg7 23.Qg5 h6 24.Qh4 Bb7 25.Nf4 Rh8 26.Rxf7+ {#r} 1-0