手牌牌型

Tanyao (All Simples)

A hand with no terminals or honors.

Riichi-ready sample

Sample tenpai shape for teaching.

Pinfu sample

All sequences with a two-sided wait pair.

Chiitoitsu (Seven pairs)

Honitsu (Half flush)

False win hand A

Looks ready but is not a winning hand.

Ittsu (Straight)

Simple han hand

Teaching sample with mixed melds.

Correct wait B

Valid tenpai — compare with hand A.

Yakuhai (Value honors)

A winning hand with a pung of dragons or seat wind.

Riichi declaration sample

Closed tenpai ready for riichi declaration.

Iipeikou (One set of identical sequences)

Two identical 234 man sequences in the closed hand.

Open meld sample

Hand with an open pon — not closed for riichi.

Closed pinfu shape

All sequences closed — contrast with open meld sample.

Furiten — cannot ron

Tenpai but in furiten after discarding the winning tile.

Not furiten — safe ron

Same wait shape without furiten restriction.