Toitsu: Difference between revisions

Toitsu (view source)

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-'''Toitsu''' {{kana|対子}} are generic tile pairs.  They may occur at any time during the development of a hand.  Regardless, every hand requires at least [[jantou|one pair]] for completion, even [[kokushi musou]].
+'''Toitsu''' {{kana|対子}}, meaning '''pairs''', are a set of two identical tiles. Every hand, including [[kokushi musou]], requires at least [[jantou|one pair]] to win. Pairs can also be turned into [[triplet]]s if a third tile is obtained.
 == Fu ==
 {{main|Scoring}}
-Specific tile pairs generate fu.  Pairs of [[yakuhai]] tiles count for 2 fu.
+Having a pair of [[yakuhai]] tiles is worth [[fu]].
+*A pair of normal yakuhai ([[dragon]]s, [[seat wind]], [[round wind]]) is worth 2 fu
+*A pair of double yakuhai (wind that is both round and seat wind) is worth either 2 fu or 4 fu, depending on the [[Scoring variations#Fu|ruleset]].
 ==Chiitoitsu==
 {{main|Chiitoitsu}}
+[[Chiitoitsu]], literally "seven pairs", i
 One yaku is specifically defined as a collection of pairs.  Chiitoitsu is directly translated as "seven pairs".