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Training Modes - Mahjong Tile Efficiency

Discard Decision

Train tile discarding decisions to maximize efficiency

One-away

Practice identifying one-away hand patterns

One-away Discard

Train optimal discarding in one-away situations

Shanten Count

Calculate the number of steps away from a complete hand

Tenpai

Improve tenpai recognition speed and accuracy

Mahjong LabMahjong Lab

Professional mahjong training: tenpai, discard, one-shanten, and shanten practice in one place. AI hand reading, instant feedback, and global rankings help you improve tile efficiency and track progress. Trusted by tens of thousands; multiple difficulties and timed challenges—train anytime.

Training Modes

  • Tenpai Training
  • Tile Discard Training
  • One-Shanten Training
  • AI Hand Analysis

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