[Event "Dortmunder Schachtage-09"]
[Site "Dortmund"]
[Date "1981.06.??"]
[Round "?"]
[White "Langeweg, Kick"]
[Black "Speelman, Jonathan S"]
[Result "0-1"]
[WhiteElo "2455"]
[BlackElo "2535"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. a3 g6 6. d5 Bg7 7. g3 O-O 8. Bg2 c6 9. dxe6 dxe6 10. Bf4 c5 11. Nb5 Qxd1+ 12. Rxd1 a6 13. Nd6 Bc6 14. O-O Ra7 15. Rd3 Nfd7 16. Bc1 Rd8 17. Rfd1 Bxf3 18. exf3 Ne5 19. R3d2 Nec6 20. Ne4 Nd4 21. b4 f5 22. Ng5 Rad7 23. f4 cxb4 24. axb4 Bf8 25. Bd5 exd5 0-1