Article date: May 1972
Article title: Challenging chess tasks for puzzle buffs and answers to the recreational problems
Mathematical Games column? Y
Book: 10. Wheels, Life, and Other Mathematical Amusements
Chapter: 17. Chess Tasks
This data confirmed? yes
Notes
Peter Rowlett (27 August 2022):
Peter Rowlett initial guess (Uncertain)
Peter Rowlett (17 September 2023):
In the appendum to chapter 17. Chess Problems in Wheels, Life, and Other Mathematical Amusements, Gardner refers to the chapter having been a column in 1972.
Peter Rowlett (30 October 2023):
I have seen this chapter and column side-by-side and they match.