[Event "Bundesliga 1989/90"] [Site "masterchessopen.com Germany"] [Round "0"] [White "Heinemann Thies (GER)"] [Black "Degenhardt J"] [Result "0-1"] [WhiteElo "2469"] [ECO "D92"] [Opening "Gruenfeld: 5.Bf4 O-O"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.e3 c5 7.Be2 cxd4 8.exd4 Nc6 9.Ne5 dxc4 10.Nxc6 bxc6 11.Bxc4 Nd5 12.Be3 Nxe3 13.fxe3 e5 14.dxe5 Qh4+ {#R} 0-1