A new Riichi tile-efficiency position is available each day at 00:00 UTC. Choose which tile to discard from a fourteen-tile hand, then compare your choice with the alternatives. The puzzle is free, with no account, download or timer.
Compare choices by shanten, the number of steps from a ready hand, and ukeire, the unseen tiles that improve your hand. Tied choices are equally valid. This is hand-shape practice; it does not assess defence, hand value or match strategy.
Use Share this puzzle to copy a date-specific link. Friends opening that link work on the same seeded position, and the link still works after today. Your practice results are saved on this device.
New to the tiles? Start with the free beginner lessons. You can also explore the Riichi scoring calculator, visual tile guide and rules before joining a table.