Skip to game

The Mathematics of Solvability: Why Some Solitaires Are Beatable and Others Aren't

A cross-game look at why FreeCell is 99.999% solvable, why Klondike is uncertain, and why Spider 4-suit defeats even computer solvers. The math behind card game design.

·J. Foye
solitairemathematicsstrategyfreecell

Try These Strategies Now

Put what you've learned into practice with a game of FreeCell.