Yakuhai: Difference between revisions

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* [http://tenhou.net/0/?log=2012120416gm-0009-0000-20a78337&tw=3&ts=12 Double West]
* [http://tenhou.net/0/?log=2012120416gm-0009-0000-20a78337&tw=3&ts=12 Double West]
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'''Yakuhai''' {{kana|役牌}}, or '''Fanpai''' {{kana|飜牌}}, is a group of 1 [[han]] [[yaku]] scored for completing a [[mentsu|group]] of [[jihai|honor tiles]]. Along with [[tanyao]] and [[riichi]], these yaku are the easiest and most frequently occurring yaku in the game. [[Sangenpai|Dragon tile groups]] always count for yakuhai. [[Kazehai|Wind tiles]] only count for yakuhai if they are the [[round wind]] or the player's [[seat wind]]; other winds are considered offwind or '''otakaze''' {{kana|客風}} and do not grant a yaku or any han, though they may still form valid triplets for the purpose of making four sets and a pair for a complete hand.
'''Yakuhai''' {{kana|役牌}}, or '''Fanpai''' {{kana|飜牌}}, is a group of 1 [[han]] [[yaku]] scored for completing a [[mentsu|group]] of [[jihai|honor tiles]]. They come in three classes:
* [[Sangenpai|Dragon tile groups]] always count for yakuhai.
* [[Kazehai|Wind tiles]] of the [[round wind]] count as yakuhai.
* Wind tiles of the [[seat wind]] also count as yakuhai.
 
If a wind is both the round and seat wind, it is worth 2 han. A wind that is neither round or seat wind is known as an "offwind" ({{kana|客風}}) or "guest wind"; they are not yakuhai and not worth any hand, but are still valid tile groups.
 
The yakuhai as a whole, along with [[riichi]] and [[tanyao]], are some of the easiest and most frequent yaku in the game.


==Tile patterns==
==Tile patterns==
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Each of the dragon quads scores 1 han for its own yakuhai. They are scored separately, and the fact that they are quads rather than triplets is irrelevant in the scoring. The additional [[jantou|pair]] of red dragons means that the hand scores [[shousangen]] in addition to, but not instead of, the double yakuhai.
Each of the dragon quads scores 1 han for its own yakuhai. They are scored separately, and the fact that they are quads rather than triplets is irrelevant in the scoring. The additional [[jantou|pair]] of red dragons means that the hand scores [[shousangen]] in addition to, but not instead of, the double yakuhai.
==Usage==
Along with [[tanyao]], yakuhai are among the easiest yaku to learn and use. As the honour tiles are generally weak due to their inability to form [[shuntsu|sequences]], they are often discarded early in the hand. A player starting with a [[toitsu|pair]] of eligible tiles can usually [[pon]] a third, instantly satisfying the yaku requirement.    This ability makes this yaku exceptionally convenient for the completion of fast hands.  Therefore, this yaku is also sometimes called an '''express ticket'''.
Players looking for a quick win will often hold lone yakuhai tiles a little longer than their [[tile efficiency]] would dictate, in hopes of getting a second and then calling (or drawing) a third to make a yakuhai. This is particularly true with hands that will have difficulty completing an open [[tanyao]], either because they have lots of [[routouhai|terminals]] or honours, or because [[kuitan|open tanyao]] is not allowed.
===Atozuke===
{{main|Atozuke}}
:{{#mjt:66z345p99m}} {{#mjt:1'23m66'6s}} Agari: {{#mjt:6z}} or {{#mjt:9m}}
Yakuhai hands may commonly be used for [[atozuke]].  Here, the hand depends on yakuhai for yaku, where among the multiple waiting tiles, one of them is a yakuhai tile.  However, the other waiting tile(s) may not produce a yaku, unless it wins via [[chankan]], [[rinshan]], [[haitei]], or [[houtei]].


==Terminology==
==Terminology==
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[[Honitsu]] is one of the most effective combinations with at least one yakuhai group. This yaku is compatible with itself. Different groups of yakuhai tiles may be collected into one hand; and in turn, they are treated as separate yaku, despite identical functionality.  In particular, [[shousangen]] requires not just one, but two yakuhai.
[[Honitsu]] is one of the most effective combinations with at least one yakuhai group. This yaku is compatible with itself. Different groups of yakuhai tiles may be collected into one hand; and in turn, they are treated as separate yaku, despite identical functionality.  In particular, [[shousangen]] requires not just one, but two yakuhai.
==Usage==
Along with [[tanyao]], yakuhai are among the easiest yaku to learn and use. As the honour tiles are generally weak due to their inability to form [[shuntsu|sequences]], they are often discarded early in the hand. A player starting with a [[toitsu|pair]] of eligible tiles can usually [[pon]] a third, instantly satisfying the yaku requirement. This ability makes this yaku exceptionally convenient for the completion of fast hands. Therefore, this yaku is sometimes called an '''express ticket'''.
Players looking for a quick win will often hold lone yakuhai tiles a little longer than their [[tile efficiency]] would dictate, in hopes of getting a second and then calling (or drawing) a third to make a yakuhai. This is particularly true with hands that will have difficulty completing an open [[tanyao]], either because they have lots of [[routouhai|terminals]] or honours, or because [[kuitan|open tanyao]] is not allowed.
===Atozuke===
{{main|Atozuke}}
:{{#mjt:66z345p99m}} {{#mjt:1'23m66'6s}} Agari: {{#mjt:6z}} or {{#mjt:9m}}
Yakuhai hands may commonly be used for [[atozuke]].  Here, the hand depends on yakuhai for yaku, where among the multiple waiting tiles, one of them is a yakuhai tile.  However, the other waiting tile(s) may not produce a yaku, unless it wins via [[chankan]], [[rinshan]], [[haitei]], or [[houtei]].


==External links==
==External links==
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