[Event "Amsterdam IBM-B"]
[Site "Amsterdam NED"]
[Date "1971.07.19"]
[EventDate "1971.07.13"]
[Round "6"]
[Result "0-1"]
[White "Hans-Joachim Hecht"]
[Black "Jan Smejkal"]
[ECO "B52"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "64"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.Re1 e6
7.c3 Nf6 8.d4 cxd4 9.cxd4 d5 10.e5 Ne4 11.Nbd2 Nxd2 12.Bxd2
Be7 13.Bg5 O-O 14.Bxe7 Qxe7 15.Re3 Rac8 16.Rc1 Qb4 17.Rec3 Ne7
18.Rb3 Qa4 19.Rxb7 Rxc1 20.Qxc1 Rc8 21.Qe1 Nc6 22.h3 Qxa2
23.Qc3 Qa6 24.Rd7 h6 25.Rd6 Qa1+ 26.Kh2 Ne7 27.Qa3 Qf1 28.Qa5
Nf5 29.Rd8+ Rxd8 30.Qxd8+ Kh7 31.Qc7 Qxf2 32.Qc3 Ne3 0-1