[Event "Match \"] [Site "masterchessopen.com - Lucerne (Switzerland)"] [Date "1970.05.30"] [Round "1"] [White "Hohler Peter (SUI)"] [Black "Ungnad Rainer"] [Result "1-0"] [WhiteElo "2183"] [ECO "A65"] [Opening "Benoni: 6.e4"] 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Bg5 O-O 9.Nd2 h6 10.Bh4 b6 11.Be2 Na6 12.O-O Nc7 13.f4 Re8 14.Bf3 Rb8 15.Re1 Qd7 16.Nc4 Ba6 17.Nxd6 Qxd6 18.e5 Qd7 19.exf6 Bf8 20.a4 Rbd8 21.Qd2 Bc4 22.Rxe8 Nxe8 23.Re1 Nd6 24.h3 a6 25.Bg4 Qb7 26.Bf2 Ne8 27.Bh4 Nd6 28.Bf2 Qc7 29.Bd1 a5 30.b3 Ba6 31.Be2 Bb7 32.Bc4 Qd7 33.Qd3 Re8 34.Re5 Nxc4 35.bxc4 Bd6 36.Bg3 Ba6 37.Re4 Bc7 38.Nb5 Bd8 39.Bh4 Kh7 40.Qe2 Bxb5 41.cxb5 Rf8 42.Re5 Qd6 43.Re8 Rxe8 44.Qxe8 Bxf6 45.Qxf7+ Bg7 46.Be1 Qf8 47.Qxf8 Bxf8 48.Bc3 Kg8 49.Kf2 Kf7 50.Ke3 Ke7 51.Ke4 Kd6 52.Be5+ Kd7 53.g4 Be7 54.f5 gxf5+ 55.gxf5 Bg5 56.f6 Bd2 57.Kf5 c4 58.d6 {#r} 1-0