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 [[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.
* Of the 34, 13 tiles are used to form a tenpai hand.
* 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.  
* Remaining tiles are to be used for discards.
* Determine player order by any method (e.g. dice roll or coin flip). Then, take turns making discards.
* Players take turns making those discards.
* If a discarded tile is the other player's winning tile, then [[ron]] may be called. (You cannot win by [[tsumo]].)
* Order of which player makes the first discard may be determined using various methods, such as the dice roll or a coin flip.
* If a player discards their own winning tile, they become [[furiten]] as usual, and can no longer win.
* Naturally, if a discarded tile is a winning tile, then [[ron]] may be called.
* After 17 discards by both players, the game ends in a draw.
* A player may not win with one's own discard; or a player cannot call [[tsumo]].
* If a winning tile is discarded, then [[furiten]] is invoked.
* An additional rule to the hand formation may require players to produce a [[mangan]] or better hand.


===Variation===
Specific rules:
If desired, players can default the setting for automatic [[riichi]] upon the first discard. In effect, that's a [[double riichi]]. This is for the purpose of just adding value.
*[[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. For a challenge, players can add the dice roll to determine the hand's minimum han value.
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.


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


[[Category:Variants]]
[[Category:Variants]]
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