[Event "Olympiad"] [Site "masterchessopen.com Helsinki (Finland)"] [Round "0"] [White "Mandelbaum A"] [Black "Mueller Paul"] [Result "1/2-1/2"] [ECO "E41"] [Opening "Nimzo-Indian: 4.e3 c5"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.a3 Bxc3+ 6.bxc3 O-O 7.Bd3 d6 8.Ne2 Nc6 9.O-O b6 10.e4 Qc7 11.f4 Ne8 12.d5 Na5 13.Ng3 Ba6 14.dxe6 fxe6 15.Qe2 Rd8 16.f5 Nb3 17.Rb1 Nxc1 18.Rbxc1 Bc8 19.Rcd1 Qe7 20.Qd2 Nf6 21.Qg5 h6 22.Qf4 exf5 23.exf5 Qe5 24.Qd2 Ng4 25.Rf4 Qe3+ 26.Qxe3 Nxe3 27.Re1 Rde8 28.h3 Nxg2 29.Rxe8 Nxf4 30.Rxf8+ Kxf8 31.Bf1 d5 32.cxd5 Nxd5 33.c4 Ne3 34.Bd3 Ke7 35.Kf2 Nd1+ 36.Kf3 Nb2 37.Bf1 Ba6 38.Nh5 Kf7 39.Kf4 Bxc4 40.Bg2 Nd3+ 41.Ke3 Ne5 42.Kf4 Nd7 43.Bc6 Nf6 44.Ng3 Bd5 45.Bb5 Ke7 46.Ke5 Bg2 47.h4 Bf3 48.a4 Ne8 49.Bd3 Nc7 50.Bc2 a6 51.f6+ gxf6+ 52.Kf4 Ne6+ 53.Kxf3 Nd4+ 54.Ke4 Nxc2 55.Nf5+ Kf7 56.Nxh6+ Kg6 57.Nf5 b5 58.axb5 axb5 59.Nd6 Na3 60.Nb7 c4 61.Nc5 b4 62.Kd4 Kh5 63.Ne4 c3 64.Nxf6+ Kxh4 65.Kd3 c2 66.Kd2 b3 67.Kc1 Nb5 68.Nd5 Nd4 69.Nf4 Kg4 70.Nd3 Kf5 71.Kb2 {#d} 1/2-1/2