[Event "?"] [Site "masterchessopen.com corr."] [Round "0"] [White "Valve Pekka"] [Black "Tiihonen Erkki"] [Result "1-0"] [ECO "E47"] [Opening "Nimzo-Indian: 4.e3 O-O 5.Bd3"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 Qc7 10.Bb2 dxc4 11.Bxc4 e5 12.h3 e4 13.Nd2 Ne7 14.Re1 Bf5 15.Rc1 b5 16.Bf1 c4 17.a4 a6 18.Ba3 Rfe8 19.Bxe7 Qxe7 20.Ra1 Bd7 21.Qc2 Bc6 22.g3 Nd7 23.Ra2 f5 24.Rea1 Rab8 25.axb5 axb5 26.Ra7 Qd6 27.R1a6 Nb6 28.Qa2 Nc8 29.Nxc4 bxc4 30.Qxc4+ Re6 31.Ra8 Rxa8 32.Rxa8 Bxa8 33.Qxc8+ Kf7 34.Qxa8 Kf6 35.c4 g5 36.c5 Qc6 37.Qd8+ Re7 38.d5 Qc7 39.Qf8+ Rf7 40.Qh6+ {#r} 1-0