In this game, Jacks count as 11, Queens as 12, and Kings 13. There are ten spaces for cards. Any two cards adding up to 13 can be discarded, or Kings can be discarded by themselves.

Exact Win Rate

Mark Conger has determined the exact win rate for this game.

Win Rate for Thirteens,
rounded to 15 places
Win Rate %

In order to avoid rounding, the exact win rate for this game can be expressed as a fraction:



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