Minefield mahjong: Difference between revisions

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'''Minefield mahjong''' is a specialized [[Japanese mahjong|mahjong]] variant found in the anime and manga series, [[wikipedia:Kaiji_(manga)|Kaiji]]. This variant features two players, who take 34 tiles and arrange 13 of them into a [[tenpai]] hand. Any remaining tiles are used as player discards, where the players take turns making their discards. In a sense, this can be interpreted as a tile discard reading drill for [[defense]] practice.
'''Minefield mahjong''' is a specialized two-player [[Japanese mahjong|mahjong]] variant found in the anime and manga series, [[wikipedia:Kaiji_(manga)|Kaiji]]. This variant features two players, who take 34 tiles and arrange 13 of them into a [[tenpai]] hand. Any remaining tiles are used as player discards, where the players take turns making their discards. In a sense, this can be interpreted as a tile discard reading drill for [[defense]] practice.


==Rules==
==Rules==
* Players gather 34 tiles.
* Players gather 34 tiles.
* Use 13 tiles to form a tenpai hand. In the original work, this must be a [[mangan]] or higher hand. The remaining tiles are to be used for discards.  
* Use 13 tiles to form a tenpai hand. The remaining tiles are to be used for discards.
* In the original work, hands must be [[mangan]] or higher. If the hand would score lower, it cannot win.
* Determine player order by any method (e.g. dice roll or coin flip). Then, take turns making discards.
* Determine player order by any method (e.g. dice roll or coin flip). Then, take turns making discards.
* If a discarded tile is the other player's winning tile, then [[ron]] may be called. (You cannot win by [[tsumo]].)
* If a discarded tile is the other player's winning tile, then [[ron]] may be called. (Players cannot win by [[tsumo]].)
* If a player discards their own winning tile, they become [[furiten]] as usual, and can no longer win.
* If a player discards their own winning tile, they become [[furiten]] as usual, and can no longer win.
* After 17 discards by both players, the game ends in a draw.
* After 17 discards by both players, the game ends in a draw.


Specific rules:
The mangan rule may be turned off for greater hand variation, or to make the game easier for new players.  
*[[Kiriage mangan]] is enabled, so 4 han 30 fu hands count as mangan.
*Players start the game in [[riichi]] (but not [[double riichi]]), so all hands have the riichi yaku.
*[[Ippatsu]] is scored on the opponent's first discard; there is no [[renhou]].
*[[Atozuke]] is allowed. If a player deals a winning tile that wouldn't score mangan, you are in furiten.
*There is no [[round wind]]. The first player's [[seat wind]] is East and the second player is West.
*[[Kan]] is not allowed.
*If you cannot or do not wish to make a mangan hand, your hand may be noten with no [[chombo]] penalty.


The mangan rule may be turned off for greater hand variation. Alternatively, both players could start in double riichi, giving each player +2 han instead of the "default" +1.
===Scoring===
If using the mangan rule, these are the specific rules regarding scoring:
* [[Kiriage mangan]] is enabled, so 4 han 30 fu hands count as mangan.
* Players start the game in [[riichi]] (but not [[double riichi]]), so all hands have the riichi yaku.
* [[Ippatsu]] is scored on the opponent's first discard; there is no [[renhou]].
* [[Atozuke]] is allowed. If the opponent deals a winning tile that wouldn't score mangan, the player enters furiten.
* There is no [[round wind]]. The first player's [[seat wind]] is East and the second player is West.
* No [[red five]]s.
* [[Kan]] is not allowed.
* If you cannot or do not wish to make a mangan hand, your hand can be in noten with no [[chombo]] penalty.


==External links==
==External links==
* [http://pwmarcz.pl/minefield/ Minefield mahjong]
* [http://pwmarcz.pl/minefield/ Minefield mahjong]
: Online version of the game
: Online version of the game
 
[[Category:Game variations]]
[[Category:Variants]]
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