[Event "IBM"]
[Site "Amsterdam"]
[Date "1971.??.??"]
[Round "3"]
[White "Evans, Larry Melvyn"]
[Black "Hartoch, Robert G"]
[Result "0-1"]
[WhiteElo "2550"]
[BlackElo "2400"]
[ECO "B44"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5 d6 6.c4 Nf6 7.N1c3 a6 8.Na3 Be7
9.Be2 O-O 10.O-O Bd7 11.Be3 b6 12.f3 Qb8 13.Rf2 Ra7 14.Nc2 Rb7 15.a4 Rd8
16.Bf1 Be8 17.Rd2 Nd7 18.Rb1 a5 19.Na3 Nc5 20.Nab5 Nb4 21.g3 Bc6 22.Nd4 Bd7
23.Bg2 Bc8 24.f4 Rbd7 25.f5 Bf6 26.fxe6 fxe6 27.Ndb5 Be5 28.Bh3 Rf7 29.Bg5 Rdd7
30.Qe2 h6 31.Be3 Rf6 32.Rf1 Rxf1+ 33.Qxf1 Rd8 34.Qd1 Kh7 35.Bf4 Bxf4 36.gxf4 d5
37.e5 Rf8 38.cxd5 exd5 39.Bxc8 Qxc8 40.Nxd5 Nxd5 41.Rxd5 Rxf4 42.Rd4 Ne4
43.Nd6 Qc5 44.Kg2 Rf2+ 45.Kh3 Qxe5 46.Nxe4 Qxh2+  0-1

