[Event "Helsinki ol (Men) prel-A"]
[Site "Helsinki FIN"]
[Date "1952.08.10"]
[EventDate "1952.??.??"]
[Round "1"]
[Result "1/2-1/2"]
[White "Otto Benkner"]
[Black "Fridrik Olafsson"]
[ECO "E71"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "159"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.h3 O-O 6.Nf3 Nbd7 7.Bf4
c5 8.d5 Nh5 9.Bh2 Nb6 10.Be2 e5 11.dxe6 Bxe6 12.g4 Nf6 13.Bxd6
Re8 14.e5 Bxc4 15.O-O Nfd7 16.b3 Bxe2 17.Qxe2 Nc8 18.Rad1 Nxd6
19.Rxd6 Qe7 20.Rd3 Nxe5 21.Re3 Nxf3+ 22.Qxf3 Qc7 23.Nd5 Qd6
24.Rd1 Re5 25.Nc3 Rxe3 26.fxe3 Qe5 27.Na4 Qe7 28.Rd3 Re8
29.Kf2 b6 30.Nc3 Bxc3 31.Rxc3 Rd8 32.Rc2 Qe5 33.Kg2 Kg7 34.Rf2
Rd7 35.Qc6 Re7 36.Rf3 h5 37.gxh5 Rc7 38.Qa4 Qxh5 39.Qf4 Rd7
40.e4 c4 41.Qf6+ Kh7 42.e5 c3 43.e6 fxe6 44.Qxc3 Qg5+ 45.Kf2
e5 46.Qc4 Qd2+ 47.Qe2 Kg7 48.a4 Qxe2+ 49.Kxe2 Rf7 50.Rc3 Kf6
51.Rc6+ Kf5 52.b4 Rh7 53.a5 bxa5 54.bxa5 Rxh3 55.Ra6 Ra3
56.Rxa7 g5 57.a6 Kf4 58.Rf7+ Kg3 59.a7 g4 60.Rg7 Kf4 61.Rf7+
Kg3 62.Rg7 Ra6 63.Rf7 Ra4 64.Rg7 Ra3 65.Rf7 Kh2 66.Rh7+ Kg2
67.Rg7 g3 68.Rf7 Kh2 69.Rh7+ Kg1 70.Rg7 g2 71.Rh7 Ra5 72.Rg7
Kh2 73.Rh7+ Kg3 74.Rg7+ Kf4 75.Rxg2 Rxa7 76.Rg8 Ra2+ 77.Ke1
Kf3 78.Rh8 e4 79.Rh3+ Kf4 80.Rb3 1/2-1/2