[Event "IBM"]
[Site "Amsterdam"]
[Date "1974.??.??"]
[Round "3"]
[White "Ivkov, Borislav"]
[Black "Tukmakov, Vladimir B"]
[Result "1/2-1/2"]
[WhiteElo "2530"]
[BlackElo "2570"]
[ECO "A16"]

1.c4 Nf6 2.Nc3 d5 3.e3 g6 4.Qb3 e6 5.Nf3 Bg7 6.Qa3 b6 7.d4 Bb7 8.cxd5 exd5
9.Bd2 a6 10.Rc1 Nbd7 11.Be2 Bf8 12.Qa4 Bd6 13.O-O O-O 14.Rfd1 Qe7 15.Be1 Rfe8
16.Bf1 h5 17.g3 Ng4 18.Bg2 Ndf6 19.Qb3 Rad8 20.a4 Ne4 21.Nd2 Ngf6 22.a5 b5
23.Na2 Bc8 24.Nxe4 dxe4 25.Bb4 Be6 26.Qa3 Bxa2 27.Bxd6 Qxd6 28.Qxa2 c5 29.Qa3 c4
30.Qxd6 Rxd6 31.b3 cxb3 32.Rc5 Nd7 33.Rc7 Ne5 34.Bxe4 Nc4 35.Bd3 Nxa5 36.Ra1 Nc4
37.Rb1 Na5 38.Ra1 Nc4 39.Rb1  1/2-1/2

