[Event "It (open)"] [Site "masterchessopen.com St. Ingbert (Germany)"] [Round "5"] [White "Gruenfeld A"] [Black "Borriss Martin (GER)"] [Result "1-0"] [BlackElo "2427"] [ECO "E30"] [Opening "Nimzo-Indian: Leningrad, 4...h6"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 d6 7.dxe6 Bxe6 8.e3 Nc6 9.Qc2 Ne5 10.a3 Bxc3+ 11.bxc3 Nxc4 12.Nf3 g5 13.Bg3 Qa5 14.Bxc4 Bxc4 15.Nd2 Qa6 16.Qf5 Ke7 17.Bxd6+ Kxd6 18.Qxf6+ Kc7 19.Qe5+ Kc6 20.Ne4 b6 21.Qd6+ Kb5 22.a4+ Ka5 23.Nxc5 Qc8 24.Nb3+ Ka6 25.Qb4 Bxb3 26.Qxb3 Qc5 27.O-O f5 28.a5 b5 29.Qe6+ Kb7 30.a6+ Kc7 31.Qf7+ {#r} 1-0