Malich, Burkhard VS Hartoch, Robert G 1972.??.??

[Event "IBM"]
[Site "Amsterdam"]
[Date "1972.??.??"]
[Round "?"]
[White "Malich, Burkhard"]
[Black "Hartoch, Robert G"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Bf4 a6 8. a4 Qa5 9. Nd2 Qc7 10. Be2 e5 11. Be3 Kh8 12. g4 Ng8 13. h4 f5 14. f3 f4 15. Bf2 a5 16. g5 h5 17. Bf1 Na6 18. Nb3 b6 19. Bh3 Bxh3 20. Rxh3 Qd7 21. Rh1 Rf7 22. Kd2 Ne7 23. Nc1 Nc8 24. Nb5 Ne7 25. Ne2 Re8 26. Nec3 Nc8 27. Qf1 Bf8 28. Qh3 Qxh3 29. Rxh3 Be7 30. Ra3 1/2-1/2