Tile Efficiency Trainer

Click a tile to discard it. Try to reach tenpai with the fewest, most efficient discards.

Left
Across
Right
Hand

Log color-coding:

  • Green: Optimal discard
  • Yellow: Slightly suboptimal (2–3 ranks worse)
  • Red: Much worse choice (4+ ranks worse)

Under Development

If you run into bugs or have feature requests, please reach out to fionnagán on our Discord.