[Event "IBM"]
[Site "Amsterdam"]
[Date "1971.??.??"]
[Round "8"]
[White "Ivkov, Borislav"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2620"]
[ECO "C93"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6
9.h3 h6 10.d4 Re8 11.Be3 Bf8 12.Nbd2 Bd7 13.Qb1 Rb8 14.a3 Qc8 15.Ba2 Nd8
16.b4 Nh5 17.Qd3 c6 18.Rac1 Rb7 19.c4 Qb8 20.Nb3 bxc4 21.Qxc4 exd4 22.Nfxd4 Rxe4
23.Na5 d5 24.Qxa6 Rc7 25.Bb1 Re8 26.Naxc6 Nxc6 27.Nxc6 Rxc6 28.Rxc6 Bxc6
29.Qxc6 Nf6 30.Rd1 Re6 31.Qc3 g6 32.Qd2 Qe8 33.Ba2 Qa4 34.Qd3 Bxb4 35.axb4 Qxa2
36.b5 Kh7 37.Bd4 Ne4 38.Ra1 Qc4 39.Qxc4 dxc4 40.b6 Nd6 41.Ra7 Re1+ 42.Kh2 Rb1
43.g4 g5 44.Rd7 c3 45.Rc7 h5 46.gxh5 Ne4 47.Rxf7+ Kh6 48.Rc7 Kxh5 49.Rc6 Rb4
50.Bg7 g4 51.hxg4+ Kxg4 52.Kg2 Kf5 53.f3 Rb2+ 54.Kh3 Nf2+ 55.Kh4 Nd1 56.b7 Kf4
57.Rf6+ Ke3 58.Rf7 Rb4+ 59.Kg3 c2 60.Bh6+ Kd3 61.Rd7+ Kc4 62.Rc7+ Kd3 63.Rd7+ Kc4
64.Bc1 Nc3 65.Kf2 Rb5 66.Ke3 Re5+ 67.Kf2 Rb5 68.Ke3 Re5+ 69.Kf2  1/2-1/2

