[Event "?"] [Site "masterchessopen.com corr."] [Round "0"] [White "Koskinen Erkki (FIN)"] [Black "Bortolin Bruno"] [Result "0-1"] [WhiteElo "1952"] [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 d6 6.Ne2 e5 7.O-O Re8 8.Ng3 Bxc3 9.bxc3 c5 10.Qc2 h6 11.d5 Nbd7 12.f4 Rb8 13.f5 e4 14.Nxe4 Nxe4 15.Bxe4 f6 16.Bf3 Qa5 17.Bh5 Re7 18.e4 Ne5 19.Bf4 Nxc4 20.Qd3 Ne5 21.Qg3 Kh7 22.Bg6+ Kh8 23.Bxh6 gxh6 24.Rf4 Qd8 25.Rh4 Qf8 26.Qh3 Rh7 27.Qe3 Bd7 28.Rf1 Be8 29.Bxh7 Kxh7 30.Rh3 b6 31.Rf4 Bb5 32.Rfh4 Nf7 33.Qf4 Re8 34.Qc1 Re7 35.Qb2 Be8 36.Qe2 Re5 37.Qe3 Qg7 38.Rg3 Ng5 39.Rf4 Qe7 40.Rh4 Bf7 41.c4 b5 42.Kf1 bxc4 43.Rxh6+ Kxh6 44.h4 Rxe4 45.hxg5+ fxg5 46.Rh3+ Kg7 47.Qc3+ Qe5 48.Qxe5+ Rxe5 49.g4 Bxd5 {#R} 0-1