[Event "Katowice Fibak op"]
[Site "Katowice POL"]
[Date "1993.??.??"]
[EventDate "?"]
[Round "4"]
[Result "1/2-1/2"]
[White "Frank Friedersdorff"]
[Black "Alexander1 Potapov"]
[ECO "A81"]
[WhiteElo "2295"]
[BlackElo "2380"]
[PlyCount "68"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6 7. b3 Qe8 8. Bb2  Na6 9. Nbd2 c6 10. Re1 h6 11. a3 g5 12. e4 fxe4 13. Nxe4 Nxe4 14. Rxe4 Bf5 15.  Re3 Qf7 16. Qe2 Bf6 17. Re1 e6 18. g4 Bxg4 19. Nxg5 Bxg5 20. Qxg4 Qxf2+ 21. Kh1  Nc7 22. Bc1 Kh8 23. R3e2 Qf5 24. Qxf5 exf5 25. Bxg5 hxg5 26. Re7 Rfe8 27. Kg1  Kg8 28. Kf2 Rxe7 29. Rxe7 Rc8 30. Bh3 g4 31. Bf1 Kf8 32. Rh7 Kg8 33. Re7 Kf8  34. Rh7 Kg8 1/2-1/2