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Shanten: Difference between revisions
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→Basic shanten (simpler calc.)
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*If a hand has >= 6 blocks: +1 shanten | *If a hand has >= 6 blocks: +1 shanten | ||
*If a hand does not have a pair: +1 shanten | *If a hand does not have a pair: +1 shanten | ||
** If a hand has 4 groups + 0 | ** If a hand has 4 groups + 0 paira: 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 | 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 most cases; notable exceptions include hands with 3 groups + 1 taatsu + 2 isolated tiles (which is 1-shanten), or 4 groups + 1 lone tile (which is tenpai). | ||
=== Chiitoitsu === | === Chiitoitsu === | ||