[Event "Ch World (for the Blind)"] [Site "masterchessopen.com Bad Berleburg (Germany)"] [Date "1975.03.01"] [Round "11"] [White "Cohn Hans"] [Black "Klausen Knud"] [Result "1-0"] [ECO "A15"] [Opening "English: Anglo-Indian, 2.Nf3"] 1.c4 Nf6 2.Nf3 e6 3.g3 b6 4.Bg2 Bb7 5.O-O Be7 6.d4 O-O 7.Nc3 Ne4 8.Qc2 Nxc3 9.bxc3 d5 10.cxd5 exd5 11.c4 dxc4 12.Ng5 Bxg5 13.Bxb7 Bxc1 14.Raxc1 Nd7 15.Bxa8 Qxa8 16.Qxc4 c5 17.Rfd1 cxd4 18.Rxd4 Nc5 19.Qd5 Qb8 20.Rcd1 Ne6 21.R4d2 h6 22.Qd6 Qa8 23.Qd5 Qb8 24.f4 Qc7 25.f5 Nc5 26.Qd6 Qb7 27.Qe5 Qc8 28.Rd6 Qa6 29.Qxc5 {#r} 1-0