Article date: Oct 1976
Article title: Combinatorial problems, some old, some new and all newly attacked by computer
Mathematical Games column? Y
Book: 13. Penrose Tiles to Trapdoor Ciphers
Chapter: 5. Back from the Klondike and Other Problems
This data confirmed? yes
Notes
Peter Rowlett (4 November 2023):
I have seen this chapter and column side-by-side and they match.