The Irish Chess Union

[Event "Johannesburg"] [Site "Johannesburg RSA"] [Date "1955.??.??"] [Round "7"] [White "Wilken, Leon"] [Black "Heidenfeld, Wolfgang"] [Result "0-1"] [ECO "A05"] [ICUid "14409"] 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nbd7 7. e4 e5 8. exd5 Nxd5 9. a4 c6 10. a5 f5 11. Nc4 Qc7 12. Ng5 Nc5 13. Bd2 Ne6 14. Nf3 Nd8 15. Re1 Nf7 16. c3 Bd7 17. Qc2 Rae8 18. Bh3 h6 19. Nh4 Kh7 20. Rf1 Bf6 21. Nf3 g5 22. Bg2 Kg7 23. Kh1 Ne7 24. Ng1 Ng6 25. b4 h5 26. Be3 Qb8 27. Rae1 h4 28. Ne2 Rh8 29. Kg1 g4 30. Qd2 Be6 31. Nb2 Rh7 32. c4 Reh8 33. f3 hxg3 34. hxg3 f4 35. gxf4 Nh4 36. fxe5 Bxe5 37. Bf4 Nxg2 38. Bxe5+ Qxe5 39. f4 Qe3+ 40. Qxe3 Nxe3 0-1