NANIKIRU PUZZLES
Which tile should you discard, and why?
Explore over 280,000 mined positions with engine-verified solutions. Compare shanten, visible ukeire, value, and risk before revealing the explanation.
Train decisions, not memory
A nanikiru places several plausible options side by side. Analysis does not stop at the number of useful tiles: it considers shape, dora, speed, value, and safety within the same decision.
- A daily puzzle for a steady practice rhythm.
- Additional modes depending on account access.
- Feedback based on the actual hand state.
Turn each mistake into a lesson
After answering, connect the situation to shape, ukeire, and defense concepts in the guides. This short loop helps you recognize the same patterns during a real game.