[Event "corr."] [Site "masterchessopen.com DDR"] [Round "0"] [White "Hernik Miroslav"] [Black "Kassatschki"] [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 cxd4 10.cxd4 Nc6 11.Be3 Bg4 12.f3 Na5 13.Bd3 Be6 14.Rc1 Bxa2 15.d5 e6 16.Qa4 Bb3 17.Qb4 exd5 18.Rc5 Bc4 19.Bxc4 Nxc4 20.Rxd5 Nd6 21.Rxd6 {#r} 1-0