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108 tiles · North extraction · No chi
Return target: 30,000 points.
Your seat will be freed.
Unseen copies may be in the wall or concealed hands. This count uses your hand and visible tiles; it does not guarantee a drawable tile or a legal win.
These tiles complete the shape of your hand. A win still requires a yaku; dora alone is not a yaku.
Furiten prevents ron on another player’s discard. You can still win by tsumo with a yaku.
No matching yaku.
Time controls give a fresh allowance for each decision, then draw from a reserve that resets each hand. With 5 + 20, you get 5 seconds per decision and 20 seconds of reserve. Timeout discards the drawn tile, or a legal tile after a call, and passes calls. Results advance after 10 seconds.
Default four-player rules: 25,000 starting points. Three red fives. Open tanyao, ippatsu, ura dora, kan dora, dealer repeats on tenpai, and bankruptcy termination.
Double ron is allowed; triple ron aborts the hand. All-last dealer ends the match when first with 30,000 points. If nobody reaches 30,000, sudden-death extension applies. No kiriage mangan. Multiple and double yakuman are enabled.
Default three-player tables use 108 tiles: 2–8 characters are removed. Start at 35,000 points; 40,000 is the return target. No chi. North can be extracted for one bonus han and a replacement draw; it keeps your hand closed. North extraction cancels ippatsu and first-turn bonuses, can be robbed, and a replacement win awards rinshan. After riichi, only a newly drawn North can be extracted. Extracted North also counts for dora / ura dora. Tsumo payments omit the absent fourth player; honba is 200 points, and the tenpai pool is 3,000. Three hands per wind, two red fives, and +20 / 0 / −20 placement bonuses. Three riichi declarations continue play.
Red fives, open tanyao, multiple ron, starting points, and kiriage mangan can be changed when creating a room. The Room tab shows the table’s rules. The return target is 5,000 above starting points. Wait indicators show tiles that complete your hand shape; a win still requires a yaku. Furiten blocks ron, but not tsumo.
Tile labels: M = characters, P = circles, S = bamboo. WD / GD / RD = white / green / red dragon. Indicators show the tile before the dora.
Game logic and computer opponents use majiang-core and majiang-ai by Satoshi Kobayashi, under the MIT license.
Open-source licenses