[Event "IBM"]
[Site "Amsterdam"]
[Date "1971.??.??"]
[Round "14"]
[White "Hartoch, Robert G"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[WhiteElo "2400"]
[BlackElo "2560"]
[ECO "A29"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 d6 5.Bg2 g6 6.d4 Nd7 7.O-O Bg7 8.d5 Ne7
9.a3 O-O 10.e4 h6 11.Ne1 f5 12.Nd3 Nf6 13.Bd2 g5 14.exf5 Bxf5 15.Qe2 Bg6
16.Ne4 Nf5 17.Bc3 Qd7 18.Rae1 Rae8 19.Qd1 Kh8 20.b4 Nd4 21.Nxf6 Bxf6 22.Be4 Bxe4
23.Rxe4 b5 24.Bxd4 exd4 25.Rxe8 Qxe8 26.cxb5 Qxb5 27.Qb3 Bg7 28.a4 Qd7 29.Rc1 Rf3
30.Rd1 Qf5 31.b5 h5 32.Qc2  1/2-1/2

