[Event "Olympiad"] [Site "masterchessopen.com Habana (Cuba)"] [Round "0"] [White "Portisch Lajos (HUN)"] [Black "Johansson Mattias"] [Result "1-0"] [WhiteElo "2523"] [ECO "E41"] [Opening "Nimzo-Indian: 4.e3 c5 5.Bd3"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 O-O 6.Nf3 d5 7.O-O dxc4 8.Bxc4 b6 9.a3 cxd4 10.axb4 dxc3 11.Qxd8 Rxd8 12.bxc3 Bb7 13.Be2 Nc6 14.Ba3 a6 15.Rfc1 Ne4 16.Rc2 b5 17.Rac1 Rac8 18.Kf1 Ne7 19.c4 bxc4 20.Rxc4 Rxc4 21.Rxc4 Rc8 22.Rxc8+ Nxc8 23.Ne5 Nc3 24.Bd3 Nb6 25.f3 Nb5 26.Bc1 f6 27.Nc4 Nxc4 28.Bxc4 Bd5 29.Bd3 Bc6 30.e4 Kf7 31.Be3 Nc7 32.Bb6 Bb5 33.Ke2 Ne8 34.Ke3 e5 35.Bc5 Ke6 36.Bc2 Nd6 37.Bb3+ Kd7 38.Bg8 h6 39.Bd5 Nc4+ 40.Kf2 Nd6 41.h4 Kc7 42.Kg3 Bd7 43.f4 g6 44.fxe5 fxe5 45.Be3 Bc6 46.Bxc6 Kxc6 47.Bxh6 Nxe4+ 48.Kf3 Kd5 49.g4 Nf6 50.Bg5 Nh7 51.Bd8 Nf8 52.h5 gxh5 53.gxh5 Ne6 54.Bf6 Nf8 55.Bg7 Nh7 56.Kg4 Ke6 57.h6 e4 58.Kf4 Kd5 59.Ba1 Nf8 60.Bb2 Ne6+ 61.Ke3 Ng5 62.Bg7 Kc4 63.Kf4 Nf7 64.h7 Kd3 65.Kf5 e3 66.Bf6 Kc4 67.Kg6 e2 68.Bh4 {#r} 1-0