2 puzzles from Charles L. Bouton, each explained in a minute and credited to the original work. Free on Savvy.
Two players take turns removing any number of objects, at least one, from a single pile they choose among several laid out at the start. Whoever takes the last object wins. With th…
— Charles L. Bouton, Nim, A Game with a Complete Mathematical Theory
In Nim, players alternate removing any number of objects from a single pile, and whoever takes the last object wins. With several piles at once, is there a reliable way to know whe…
— Charles L. Bouton, Nim, A Game with a Complete Mathematical Theory