[Event "Zonal Halle"]
[Site "Halle/Saale"]
[Date "1963.??.??"]
[Round "?"]
[White "Hamann, Svend"]
[Black "Trifunovic, Petar"]
[Result "1/2-1/2"]
[ECO "A33"]
[Opening "English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. Bg5 O-O 10. e3 dxc4 11. Qxd8 Rxd8 12. Bxc4 1/2-1/2