RIICHI MAHJONG GUIDE CENTER
Pure Flush (Chinitsu) Master Guide
Mastering the highest standard Yaku: 6 Han Closed / 5 Han Open
The Essence of Hand Building in Single-Suit Hands
Pure Flush (Chinitsu) requires composing all 14 tiles of a hand using only one suit (Man, Pin, or Sou).
While offering unmatched scoring potential, it presents challenges such as complex multi-waits, Furiten risks, and intense defense from opponents. Explore our comprehensive guides below to master everything from basic theory to advanced calculation.
Basic definition, Han rules (6 Han Closed / 5 Han Open), and key structural differences between Chinitsu, Honitsu (Half Flush), and Tsuuisaa.
Read Overview
3-step hand decomposition formula, Nakabukure structure analysis, self-Furiten prevention checklist, and optimal meld timing.
Read Strategy Guide
Nine Gates (Chuuren Poutou), Green Flush (Ryuuイーsou) pure suit variations, and Suuankou priority rules.
Read Yakuman Guide
Essential multi-wait pattern reference tables, tile blocking techniques, and defensive strategies against opponents' Chinitsu.
View Cheat Sheet
M-League legendary comebacks, pro player Chombo blunders, online timer pressure stories, and classic mahjong jinxes.
Read Stories
Frequently asked questions (e.g., Pinfu/Tanyao rules when open) and multi-level wait-calculation practice problems.
Go to FAQ & Quiz
A fresh Chinitsu tenpai problem every day. Test your tile-reading speed and share your thoughts with fellow players.
Play Today's Quiz
Browse previous daily Chinitsu quizzes, accompanying short stories written by Gemini, and step-by-step solutions.
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A free board for sharing quiz feedback, multi-wait tips, and discussing general Riichi Mahjong strategy.
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