How is this NOT 1shanten?

Picture indicates 2shanten but if I draw a 3sou or 7sou then by discarding a 6sou or ankan'ing them I should be in tenpai shouldn't I?

4 points · 1 comments · view on lemmy.world

1 Comments

fox@lemm.ee · 2 pts · 2y

yes, this is 1shanten waiting for 37s: https://tenhou.net/2/?q=456p1244666689s6z

my guess is that the overlapping groups are confusing the algorithm the game is using to count shanten.