[Event "La Habana olm prel"]
[Site "La Habana"]
[Date "1966.??.??"]
[Round "4"]
[White "Heidenfeld, Wolfgang"]
[Black "Larsen, Bent"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B22"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.Nf3 Nc6 5.Na3 g6 6.g3 Bg7 7.Bg2 O-O 8.O-O d6
9.exd6 Qxd6 10.d4 cxd4 11.Nb5 Qc5 12.Nbxd4 Rd8 13.Qa4 Nb6 14.Qb5 Qxb5 15.Nxb5 e5
16.Bg5 f6 17.Bc1 Bf5 18.Na3 Na4 19.Re1 Rd7 20.Bf1 Rad8 21.Bb5 Nc5 22.Be3 Nd3
23.Bxd3 Bxd3 24.Rac1 h6 25.Red1 f5 26.Ne1 Ba6 27.Rxd7 Rxd7 28.b4 Bf8 29.Nec2 Bd3
30.b5 Ne7 31.c4 Nc8 32.c5 a6 33.bxa6 Bxa6 34.Nb4 Be2 35.Nc4 Bg7 36.c6 bxc6
37.Nxc6 e4 38.N4e5 Rd6 39.Nd4 Ba6 40.f4 Ne7 41.Nb3 Rd5 42.Nc6 Nxc6 43.Rxc6 Be2
44.Rc8+ Kf7 45.Rc7+ Kg8 46.Rc8+ Kf7  1/2-1/2

