[Event "Montreal"] [Site "Montreal CAN"] [Date "1979.04.28"] [EventDate "1979.04.11"] [Round "13"] [Result "1-0"] [White "Lajos Portisch"] [Black "Bent Larsen"] [ECO "D02"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "89"] 1.Nf3 d5 2.d4 Bf5 3.c4 e6 4.Qb3 Nc6 5.c5 Rb8 6.Bf4 h6 7.e3 g5 8.Bg3 Bg7 9.Nc3 a6 10.h4 g4 11.Ne5 Nge7 12.Nxc6 Nxc6 13.Be2 O-O 14.Qd1 e5 15.dxe5 d4 16.exd4 Nxd4 17.O-O Qd7 18.Bc4 Bc2 19.Qc1 Rbd8 20.Re1 Bh7 21.Bd5 Qe7 22.Be4 Qxc5 23.Bxh7+ Kxh7 24.Qf4 Qb6 25.Rad1 Qxb2 26.Rxd4 Qxc3 27.Rde4 Kh8 28.Qxg4 Rd4 29.Rxd4 Qxe1+ 30.Kh2 Qa1 31.Rd7 Qxa2 32.Rxc7 b5 33.f4 Qd5 34.Rd7 Qe4 35.Qh5 Kg8 36.Re7 Qb4 37.Ra7 Qc5 38.Rxa6 b4 39.Qf3 Qb5 40.Ra7 Rb8 41.f5 Bxe5 42.f6 Kh8 43.Rxf7 Re8 44.Qg4 Bxg3+ 45.Kh3 1-0