[Event "Europe Tournament (corr.)"] [Site "masterchessopen.com – corr."] [Round "0"] [White "Nyberg Ulf (SWE)"] [Black "Wittmann Walter (AUT)"] [Result "1-0"] [WhiteElo "2140"] [BlackElo "2300"] [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.Nf3 c5 8.Be3 O-O 9.Be2 cxd4 10.cxd4 Bg4 11.O-O Nc6 12.d5 Bxa1 13.Qxa1 Bxf3 14.Bxf3 Na5 15.Bh6 f6 16.Bg4 Qd6 17.Be6+ Kh8 18.Rc1 Rfd8 19.f4 Qb6+ 20.Kh1 Qe3 21.Rc7 {#r} 1-0