Shanten: Difference between revisions

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m (→‎Counting shanten: add a more intuitive way of calculating basic shanten)
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** If a hand has 4 groups + 0 pairs: Set to tenpai
** If a hand has 4 groups + 0 pairs: Set to tenpai


For "blocks" = (taatsu/pairs/groups). This is identical to the above calculation, but assumes all hands have a pair, then adds +1 shanten if it doesn't actually have a pair. This generalization works in all cases except when a hand waits on a pair, which is why the "4 groups + 0 pair = tenpai" exception is in place.
For "blocks" = (taatsu/pairs/groups). This is identical to the above calculation, but assumes all hands have a pair, then adds +1 shanten if it doesn't actually have a pair. This generalization works in all cases except when a hand in tenpai is waiting on a pair, which is why the "4 groups + 0 pair = tenpai" exception is present.


=== Chiitoitsu ===
=== Chiitoitsu ===
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