Is Every Game of Solitaire Winnable?

Short Answer
No. Many Solitaire deals are mathematically impossible to win regardless of skill. The random shuffle determines whether a game is solvable. Win rates vary dramatically by variant, from around 5% for difficult games to over 99% for easier ones.

Win Rates by Variant

Theoretical win rates with perfect play:

FreeCell Exception

FreeCell is unique because all cards are visible from the start. Of the first 32,000 FreeCell deals ever catalogued, only one (#11982) was proven impossible to win.

Why Some Games Cannot Be Won

What Affects Your Actual Win Rate?

Your personal win rate depends on: