Ryanshanten
By Kenji Tanaka · Updated
Definition
Ryanshanten is two-shanten: your hand needs two more effective draws or calls before it reaches tenpai. It is the stage where hands are won or lost quietly. The work here is block-building: settling which five blocks (four melds and a pair) the hand will use, keeping the shapes that lead to ryanmen waits, and cutting the tiles that serve none of them. Acceptance matters more than any single dream tile, since the widest path to iishanten usually beats the prettiest one. It is also the honest checkpoint: still ryanshanten when a riichi lands, and folding is usually right.
Ryanshanten
Ryanshanten (両シャンテン) is a hand that is two tiles away from tenpai. Your hand requires two more useful tiles to reach tenpai status and be ready to win.
The mechanics of Ryanshanten
Ryanshanten represents an intermediate stage in hand development. To understand this term, it’s helpful to know the shanten system, which measures how many tiles away your hand is from tenpai (winning ready).
The shanten count works as follows:
- Tenpai (0 shanten): Your hand is one tile away from completion, waiting on its winning tile
- Iishanten (1 shanten): One tile away from tenpai
- Ryanshanten (2 shanten): Two tiles away from tenpai
- Sanshanten (3 shanten): Three tiles away from tenpai
When your hand is ryanshanten, you need to draw and discard two more tiles (in the best-case scenario) before you can reach tenpai. This means you typically have several turns remaining before you can declare a win.
Ryanshanten hands are common in the early to mid-game phases. For example, if you have two complete melds and are working toward a third meld with scattered tiles, you might be in ryanshanten. The hand has structure and direction, but still requires meaningful development.
The key aspect of ryanshanten is hand efficiency. Different ryanshanten hands have different qualities. Some hands are “thick” with many useful tiles that can move you toward tenpai, while others are “thin” with fewer options. A thick ryanshanten hand can often reach tenpai within two or three draws, while a thin ryanshanten hand might take longer even if you draw the right tiles.
Strategic decisions in ryanshanten are important. You must decide which tiles to discard to maximize your chances of reaching tenpai quickly while managing your waits and considering the discard pool. Discarding too many tiles that could be useful in multiple melds might leave you with a thin hand that’s slow to develop.
Ryanshanten at the table
Imagine you hold: 2m 3m 4m 5m 6m 9m | 3p 4p 9p | 5s 6s 8s 8s
You have one complete meld (2m-3m-4m), three partial shapes (5m-6m, 3p-4p, 5s-6s), a pair (8s-8s), and two floating tiles (9m and 9p). The hand needs two effective draws before tenpai: complete any two of the partial shapes (say, a 7m and a 2p) while cutting the floaters, and the last partial shape becomes your wait. Needing two useful draws to reach tenpai is exactly what makes this hand ryanshanten.
Related Terms
Iishanten
一向聴
Iishanten is one-shanten: a single useful draw or call from tenpai. It is the pivot point of most hands, and the quality of your iishanten decides the quality of your wait. Good shapes accept many tiles and resolve into ryanmen; bad ones accept a handful and land on a kanchan. Much of riichi skill is simply choosing discards at iishanten that keep both the acceptance and the eventual wait wide.
Tenpai
聴牌
Tenpai is the ready state: one tile from a complete hand. It is the requirement for declaring riichi, and it is worth points at an exhaustive draw, when tenpai players collect from noten. The tiles that finish the hand are the wait (machi), in shapes running from the wide ryanmen to the narrow tanki. Distance from tenpai is counted in shanten, and the entire efficiency game is reaching 0 faster and wider than the rest of the table.
Shanten
向聴
Shanten counts how many effective tile exchanges your hand is from tenpai. Tenpai is 0-shanten, iishanten one away, ryanshanten two. The number is the spine of efficient play: every discard either lowers it, holds it, or (badly) raises it, and strong players know their count without thinking. It also drives the push-or-fold decision, because a hand stuck at 3-shanten late in the hand is usually a hand you should be folding, not building.