gameplay riichi Haipai 配牌 (はいぱい) Definition Your starting hand of 13 tiles dealt at the beginning of each round. Related Terms Tenpai 聴牌 Ready to win - your hand is one tile away from completing a winning hand. Required to declare riichi. Iishanten 一向聴 One tile away from tenpai. Your hand needs one more useful tile to reach tenpai (ready to win). A key stage in hand development. Back to Glossary Beginner's Guide Yaku Reference