Among our crosswords and other puzzles, we’ll be featuring logic challenges from Puzzle Communication Nikoli, a cult-favorite puzzle publication from Japan. After checking out this introduction to Nikoli, try our first Nikoli challenge, Tentai Show! In 1989, when Yoshinao Anpuku was a 21-year-old math student at the University of Kyoto, he came up with a puzzle, and sent it in to his favorite magazine, Puzzle Communication Nikoli. The logic-based challenge was in the style of others featured in the magazine: a square grid that the solver was required to fill…
