[Event "It \"] [Site "masterchessopen.com Berlin (Germany)"] [Round "7"] [White "Reinhardt Enrique Heinrich"] [Black "Koch Berthold (GDR)"] [Result "1-0"] [ECO "D82"] [Opening "Gruenfeld: 4.Bf4 Bg7 5.e3"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Qb3 dxc4 7.Bxc4 Nc6 8.Nf3 Na5 9.Qb4 Nxc4 10.Qxc4 c6 11.O-O Be6 12.Qb4 Nh5 13.Bg5 f6 14.Bh4 Qd6 15.Qa4 g5 16.Bg3 Nxg3 17.hxg3 g4 18.Nd2 f5 19.b4 b5 20.Qa5 Bxd4 21.exd4 Qxd4 22.Ndb1 f4 23.Qc7 fxg3 24.Qxg3 a5 25.Rd1 Qf6 26.Nd2 axb4 27.Nce4 Qf5 28.Rab1 c5 29.Qe3 Bxa2 30.Rb2 Qe5 31.Rxa2 Rxa2 32.Qb3+ c4 33.Qxa2 b3 34.Qa5 g3 35.Nxg3 Qd4 36.Rf1 b2 37.Nb1 Rb8 38.Qc7 Qd6 39.Qa7 Rf8 40.Re1 e5 41.Qe3 b4 42.Qg5+ Qg6 43.Qxe5 Qf6 44.Qd5+ Kh8 45.Ne4 {#r} 1-0