[Event "VL1 Ruhrgebiet 1998/99"] [Site "masterchessopen.com Germany"] [Round "0"] [White "Voulikh Boris"] [Black "Mueller"] [Result "0-1"] [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 c5 8.Ne2 O-O 9.Be3 Nc6 10.O-O Bg4 11.f3 Na5 12.Bd3 cxd4 13.cxd4 Be6 14.Qa4 a6 15.Rac1 b5 16.Qb4 Bxa2 17.d5 Bc4 18.Rfd1 Rc8 19.Bc5 Rxc5 20.Qxc5 Nb3 21.Qa7 Bxd3 22.Rxd3 Nxc1 23.Nxc1 Qc8 24.Rd1 Qc2 25.Rf1 Rc8 26.f4 Qxe4 {#R} 0-1