Riichi (Closed hand only) Declared ready, cannot change hand anymore
Ippatsu (One-shot) After Riichi is declared, Ron or Tsumo within the first round
All Simples No honor or terminal (dragon wind, 1s or 9s). Hand only contains 2 to 8 tiles
πππππππππππππ π Prevelant/self wind tiles A triplet/quad of same prevelant winds / self winds
πππππππ‘π‘π‘ππππ π Dragons Tiles A triplet/quad of same dragons (White, Green, or Red dragons)
πππππππππππ
π
π
π Twin Sequences (Closed-hand only) Two sequences consisting of the same numbers, in the same suit
πππππππππππππ‘ π‘ Pinfu (Closed-hand only) No-points hand: 4 sequences + non-yaku pair
πππππππππππππ π Closed hand Self-pick has a closed hand and draws a winning tile
After a Kan wins by drawing a supplemental tile from the dead wall
Robbing a kan wins when they call a tile that an opponent just used to declare a quad (kan)
Under the Sea Last Tile Draw: wins when they draw the very last tile
Under the River Last Tile Claim: wins when they call the very last tile, discarded by an opponent