[Event "Sarajevo"]
[Site "Sarajevo"]
[Date "1962.??.??"]
[Round "7"]
[White "Portisch, Lajos"]
[Black "Ivkov, Borislav"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E51"]

1.c4 Nf6 2.Nc3 e6 3.d4 Bb4 4.e3 c5 5.Nf3 d5 6.a3 Bxc3+ 7.bxc3 O-O 8.Bb2 Nc6
9.Bd3 dxc4 10.Bxc4 Qc7 11.Be2 Rd8 12.Qc2 b6 13.O-O Bb7 14.dxc5 bxc5 15.c4 Ne7
16.Be5 Qc6 17.Qb2 Ne8 18.Rfb1 Ba6 19.Nd2 Rac8 20.Qc2 Qd7 21.Bc3 Nc6 22.Ne4 Qe7
23.Qa4 Bb7 24.Nxc5 Ba8 25.Nd3 Nd6 26.c5 Nb7 27.Rb5 Rd5 28.Qa6 Qd7 29.Rab1 Ncd8
30.Ne5 Qc7 31.c6 Nc5 32.Qa5 Qxa5 33.Rxa5 Ne4 34.Rxd5 exd5 35.c7 Nb7 36.Bd4 Rxc7
37.Ba6 f6 38.Nd3 Nd2 39.Rb2 Nc4 40.Rb5 Nxa3 41.Rxd5 Kf7 42.h4 h6 43.Bxa7 Nd8
44.Rxd8 Rxa7 45.Rd6 Ke7 46.Rb6 Rc7 47.Rb3 Nc2 48.h5 Bd5 49.Rb8 Ra7 50.Nf4 Bf7
51.Bd3 Na3 52.Rc8 Kd7 53.Rc3 Ra5 54.g4 Nb5 55.Bf5+ Ke7 56.Rc5 Kd6 57.Rc8 Ra7
58.Bg6 Ba2 59.Rb8 Bc4 60.Bd3 Bxd3 61.Nxd3 Nc3 62.Kg2 Nd5 63.Rd8+ Rd7 64.Rxd7+ Kxd7
65.e4 Ne7 66.Nf4 Nc6 67.Ng6 Ke6 68.f4 Nd4 69.Kf2 Kf7 70.Nh4 Nc2 71.Ke2 Ke6
72.Kd2 Nb4 73.Kc3 Na2+ 74.Kd4 Nc1 75.Nf5 Kf7 76.e5 fxe5+ 77.fxe5 Ne2+ 78.Kd5 Nc3+
79.Kd6 Ne4+ 80.Kd7 Nc5+ 81.Kc6 Ne6 82.Kd6 Nf4 83.Ne7 Ne6 84.Ng6 Ng5 85.Kd7 Ne4
86.e6+ Kg8 87.e7 Nf6+ 88.Kd8 Kf7 89.Ne5+  1-0

