Riichi: Difference between revisions

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'''Riichi''' (立直 or リーチ) is the most commonly used [[List of yaku|yaku]] in the game.  This yaku may apply to any closed hand and may be declared upon achieving ''[[tenpai]]''.  Due to its common usage, various specific game scenarios must be considered when using riichi.
'''Riichi''' {{kana|立直}} or {{kana|リーチ}} is the most commonly used [[List of yaku|yaku]] in the game.  This yaku may apply to any closed hand and may be declared upon achieving ''[[tenpai]]''.  Due to its common usage, various specific game scenarios must be considered when using riichi.


== Rules ==
== Rules ==
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=== Ippatsu ===
=== Ippatsu ===


'''Ippatsu''' (一発) is awarded if the player receives a winning tile within an uninterrupted set of turns after the riichi declaration. Tile calls interrupt the set of turns. The latest possible chance to win with ippatsu is with the player's next drawn tile after the riichi declaration.  In turn, this yaku may only be scored with riichi and is worth an additional 1 han, in conjunction with riichi.
'''Ippatsu''' {{kana|一発}} is awarded if the player receives a winning tile within an uninterrupted set of turns after the riichi declaration. Tile calls interrupt the set of turns. The latest possible chance to win with ippatsu is with the player's next drawn tile after the riichi declaration.  In turn, this yaku may only be scored with riichi and is worth an additional 1 han, in conjunction with riichi.


[[Naki|Tile calls]] may disrupt the chance for ippatsu any time before the riichi declarer draws the next tile.
[[Naki|Tile calls]] may disrupt the chance for ippatsu any time before the riichi declarer draws the next tile.


=== Double riichi ===
=== Double riichi ===
'''Double riichi''' (ダブルリーチ) is a special case for riichi, where the player declares riichi on the first turn. No tile call may have interrupted the turn order before the declaration, where applicable.  Double riichi is worth 2 han instead of 1 han, as a bonus for the initial timing.
'''Double riichi''' {{kana|ダブルリーチ}} is a special case for riichi, where the player declares riichi on the first turn. No tile call may have interrupted the turn order before the declaration, where applicable.  Double riichi is worth 2 han instead of 1 han, as a bonus for the initial timing.


=== Kan during riichi ===
=== Kan during riichi ===
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