[Event "Verbandsliga North 1995/96"] [Site "masterchessopen.com Germany"] [Round "7"] [White "Nass Dirk"] [Black "Eff Werner"] [Result "0-1"] [ECO "D94"] [Opening "Gruenfeld: 5.e3 O-O"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.cxd5 Nxd5 7.Bc4 Nxc3 8.bxc3 c5 9.O-O Qc7 10.Bb3 b6 11.a4 Nc6 12.Ba3 Na5 13.Ba2 Ba6 14.Re1 Nc4 15.Qb3 Nxa3 16.Qxa3 e6 17.Qb2 Bb7 18.Qe2 Rad8 19.Rab1 Be4 20.Rb2 Qc6 21.Bb3 cxd4 22.cxd4 Rc8 23.Rd1 h6 24.Rdd2 Rfd8 25.Ra2 Qc3 26.Bc2 Bd5 27.Rd3 Qc6 28.Rb2 Bc4 29.h3 Bxd3 30.Qxd3 Qc3 31.Qxc3 Rxc3 32.Bb3 Rdc8 33.Kf1 a6 34.Ke2 Bf8 35.Ne5 Ba3 36.Rb1 Rc1 37.Rxc1 Rxc1 38.Kd2 Rc7 39.Nc4 Bb4+ 40.Kd3 b5 41.axb5 axb5 42.Nd2 Kf8 43.e4 Rc3+ 44.Ke2 Ke7 45.d5 Kd6 46.f4 exd5 47.exd5 f5 48.g4 Rxh3 49.gxf5 Bxd2 {#R} 0-1