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Rules guides

Four rule sets, one page per entry. Open one to see the examples, counter-examples and the computed score.

Taiwanese 16-tile mahjong

Every example and counter-example is computed by the game's own scoring engine.

Japanese mahjong (riichi)

Every example and counter-example is computed by the game's own scoring engine.

Chinese Official (MCR)

Every example and counter-example is computed by the game's own scoring engine.

American Mah Jongg

Every example and counter-example is computed by the game's own scoring engine.

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