Atama mahjong
Atama mahjong 「アタマ麻雀」 is a modification to mahjong rules. It features the ability to call on tile by virtue of possession of a single tile. In other words, tile calls can be made to complete pairs, hence the name "atama mahjong".
Rule modifications
Tenpai states
The rule modifications changes the perception to tenpai. The basic shapes to tenpai is the same per regular rules. Yet, they key differences stem from the possibility of the open shanpon wait.
Strategy
In terms of speed, game play heavily favors tile calling. The emphasis on pairs increases the usage of chiitoitsu.
External links
- 【アタマ麻雀】のルール説明するよ！ (YouTube)
- Game tutorial on Atama rules.