[Event "Bucharest Int 12th"]
[Site "Bucharest"]
[Date "1973.03.22"]
[Round "15"]
[White "Pytel, Krzysztof"]
[Black "Knaak, Rainer"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 e5 9. O-O O-O 10. e4 h6 11. d5 Ne7 12. f3 Ng6 13. Be3 Bd7 14. Qd2 Kh8 15. Kh1 Qe7 16. Rf2 Rg8 17. g3 Nh7 18. h4 h5 19. Ng1 Raf8 20. Rh2 f5 21. Bg5 Qf7 22. Rb1 b6 23. Be2 f4 24. g4 Nf6 25. gxh5 Nxh5 26. Bf1 Re8 27. Bh3 1/2-1/2