tiles riichi Simples 中張牌 (ちゅんちゃんぱい) Definition The numbered tiles 2-8 in each suit. Not terminals or honors. Required for tanyao yaku. Related Terms Tanyao 断么九 All simples - a 1-han yaku where your entire hand consists only of numbered tiles 2-8. No terminals or honors. Can be open (kuitan) or closed depending on rules. Terminal 么九牌 The 1 and 9 tiles of each suit. Together with honor tiles, they form terminals and honors (yaochuuhai). Back to Glossary Beginner's Guide Yaku Reference