[Event "Landesliga 1999/00"] [Site "masterchessopen.com - Germany"] [Round "8"] [White "Baier Karsten"] [Black "Gruenberg Mark"] [Result "1-0"] [ECO "A58"] [Opening "Benko Gambit: 5.bxa6"] 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.g3 g6 7.Bg2 d6 8.Nc3 Bg7 9.Nf3 O-O 10.O-O Nbd7 11.Re1 Qb6 12.e4 Ne8 13.Qc2 Nc7 14.Rb1 Ra7 15.Be3 Nb5 16.Na4 Qa5 17.b4 Qc7 18.bxc5 dxc5 19.Rbc1 Raa8 20.Bh3 c4 21.Bxd7 Na3 22.Qd1 Qxd7 23.Nb6 Qb5 24.Nxa8 Bb2 25.Nc7 {#r} 1-0