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{{Infobox yaku
{{Infobox yaku
|type        = Yaku
|type        = Yaku
|kanji      = 門前清自摸和<br>ツモ
|kanji      = 門前清自摸和
|english    = Self draw
|english    = Self draw
|value      = 1 han (closed only)
|value      = 1 han (closed only)
Line 7: Line 7:
|difficulty  = Varies
|difficulty  = Varies
|yakuCombine = All standard yaku, with closed hands
|yakuCombine = All standard yaku, with closed hands
|gameExample = [http://tenhou.net/0/?log=2013080711gm-0089-0000-xc583fa87d1c2&tw=0 Tsumo with tanyao]
|gameExample = * [http://tenhou.net/0/?log=2013080711gm-0089-0000-xc583fa87d1c2&tw=0 Tsumo with tanyao]
* [http://tenhou.net/0/?log=2014012608gm-0009-7447-12a13787&tw=3&ts=8 Tsumo nomi] with some [[dora]].
}}
}}
'''Menzenchin tsumohou''' (門前清自摸和), otherwise referred as '''menzen tsumo''' or even simpler '''tsumo''' (ツモ), is a yaku involving closed hands.  With a [[tenpai]] hand, a player attains this yaku by winning with a drawn tile.
'''Menzenchin tsumohou''' {{kana|門前清自摸和}}, otherwise referred as '''menzen tsumo''' or even simpler '''tsumo''' {{kana|ツモ}}, is a yaku involving closed hands.  Literally, a player with a closed [[tenpai]] hand may win with tsumo, as this is a yaku all on its own.


==Formation==
==Formation==
With this yaku, all closed hands qualify for menzen tsumo.  In fact, a closed hand may instantly win by self draw, even when it is the only yaku for the hand.
With this yaku, all closed hands qualify for menzen tsumo, even if it is the only yaku.  No open hand may qualify for this yaku.  The instant a player [[Naki|calls on a discarded tile]], then the player forfeits the right to claim this yaku until the next hand, just like [[riichi]].


No open hand may qualify for this yaku.  The instant a player [[Naki|calls on a discarded tile]], then the player forfeits the right to declare this yaku until the next hand.  The same applies to [[riichi]].
==Riichi vs damaten==
{{main|Riichi|Damaten}}


== Compatability ==
While in tenpai with a closed, [[riichi]] is not a required move for any player.  Instead, the player opts to utilize the tactic of [[damaten]].  In some cases, the winning tile is drawn and the hand may win.
{{main|Yaku compatability}}


{| class="wikitable" width=100%
== Compatibility ==
|-
{{main|Yaku compatibility}}
| || width=4% | [[Riichi|RCH]] || width=4% | [[Double riichi|DRI]] || width=4% | [[Ippatsu|IPP]] || width=4% | [[Menzenchin tsumohou|SMO]] || width=4% | [[Tanyao|TAN]] || width=4% | [[Pinfu|PFU]] || width=4% | [[Iipeikou|IPK]] || width=4% | [[Ittsu|ITT]] || width=4% | [[Yakuhai|YAK]] || width=4% | [[Sanshoku doukou|SDJ]] || width=4% | [[Sanshoku doujun|SDO]] || width=4% | [[Toitoi|TOI]] || width=4% | [[Sanankou|SNA]] || width=4% | [[Sankantsu|SNK]] || width=4% | [[Chantaiyao|CHA]] || width=4% | [[Junchantaiyao|JUN]] || width=4% | [[Ryanpeikou|RPK]] || width=4% | [[Shousangen|SSG]] || width=4% | [[Honroutou|HRO]] || width=4% | [[Honitsu|HON]] || width=4% | [[Chinitsu|CHN]] || width=4% | [[Chiitoitsu|CHI]] || width=4% | [[Rinshan|RIN]] || width=4% | [[Haitei raoyue and houtei raoyui|HAI]] || width=4% | [[Haitei raoyue and houtei raoyui|HOU]] || width=4% | [[Chankan|CHK]]
|-
| SMO || {{yes}} || {{yes}} || {{yes}} ||bgcolor="000000"|  || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{or}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{no}} || {{no}}
|}


Mentsumo with [[toitoi]] is actually the yakuman, [[suuankou]].
{{Yaku compatibility table|SMO}}
 
Menzen tsumo with [[toitoi]] is actually the yakuman, [[suuankou]].  Otherwise, this yaku is compatible with all yaku except for [[houtei]] and [[chankan]].  Neither of those two yaku can win by self-draw.


=== With riichi ===
=== With riichi ===
This yaku is typically accompanied with riichi.  Of course, the use of riichi is only advisable on the current state of the game: current point standing, other player riichi calls, potentially threatening hands, tile waits, and tile availability.  At times, it may simply be advisable to utilize [[damaten]], rather than putting one self at risk.
This yaku is typically accompanied with riichi.  Of course, the [[riichi strategy|use of riichi]] is only advisable on the current state of the game: current point standing, other player riichi calls, potentially threatening hands, tile waits, and tile availability.  At times, it may simply be advisable to utilize [[damaten]], rather than putting oneself at risk.


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

Latest revision as of 00:38, 9 August 2023

Menzenchin tsumohou
Type Yaku
Kanji 門前清自摸和
English Self draw
Value 1 han (closed only)
Speed Varies
Difficulty Varies

Menzenchin tsumohou 「門前清自摸和」, otherwise referred as menzen tsumo or even simpler tsumo 「ツモ」, is a yaku involving closed hands. Literally, a player with a closed tenpai hand may win with tsumo, as this is a yaku all on its own.

Formation

With this yaku, all closed hands qualify for menzen tsumo, even if it is the only yaku. No open hand may qualify for this yaku. The instant a player calls on a discarded tile, then the player forfeits the right to claim this yaku until the next hand, just like riichi.

Riichi vs damaten

While in tenpai with a closed, riichi is not a required move for any player. Instead, the player opts to utilize the tactic of damaten. In some cases, the winning tile is drawn and the hand may win.

Compatibility

^ Ippatsu requires riichi to be of any use.

RCH DRI IPP SMO TAN PFU IPK ITT YAK SDJ SDO TOI SNA SNK CHA JUN RPK SSG HRO HON CHN CHI RIN HAI HOU CHK
SMO

Menzen tsumo with toitoi is actually the yakuman, suuankou. Otherwise, this yaku is compatible with all yaku except for houtei and chankan. Neither of those two yaku can win by self-draw.

With riichi

This yaku is typically accompanied with riichi. Of course, the use of riichi is only advisable on the current state of the game: current point standing, other player riichi calls, potentially threatening hands, tile waits, and tile availability. At times, it may simply be advisable to utilize damaten, rather than putting oneself at risk.

External links

Menzenchin tsumohou in Japanese Wikipedia