Classic Mahjong Fan List: The International Scoring Patterns
The full practical fan list used on this site for classic (International Standard) mahjong — pure one-suit, mixed one-suit, all pungs, seven pairs and more.
The practical fan set
Classic scoring on this site follows a practical subset of the International Standard fan list. The most valuable patterns are pure one-suit (清一色, 6+ fan), mixed one-suit (混一色, 3), all pungs (碰碰胡, 6) and seven pairs (七对, 4).
Building blocks of fan
Smaller patterns stack up quickly: a one-dragon run (一条龙) is worth 1-2 fan, three color runs (三色同顺) add 2, and a concealed hand adds 1-2. Two dragons or two dragons & one seat wind (双箭刻/双箭碰) also score.
The any-win rule
As a beginner-friendly house rule, any legal winning hand counts at least 1 fan even without a named pattern. The fan count is shown after every win.
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