Toriuchi Sanma Rules

This is the “Toriuchi Sanma” ruleset, a sanma ruleset using 8 total and 4 , as adapted from multiple existing rulesets of the same name (like this one).

The Gist

Toriuchi

“Toriuchi” (鳥撃ち) translates to “bird shooting”, and the core “toriuchi” rules are around (the birds) and (the guns):

1. the deck has 4 additional tiles for a total of 112 tiles.
2. if a winning hand has two or more yaku: each is worth 1 chip.
   • luck-based yaku do not count toward the above requirement: ippatsu, haitei, houtei, chankan.
3. bird shooting (when paying chips):
   • for each in the paying player’s hand, that player negates 1 chip they would pay for .

Supporting Rules

• hanchan
• No fu counting or tsumo loss (see Hand Scoring)
• 35,000 start with 40,000 return; point differences paid in chips (see Shuugi)
• floating uma paid in chips; no oka (see Shuugi)
• is NOT nukidora. is always a guest wind.
• the deck has 4 but no
• nashi-nashi: kuitan and atozuke are both off. Specifically:
  • tanyao is menzen-only
  • first call (chii/pon/kan) must contribute to a yaku in the final hand
  • the hand must have a yaku no matter which tile it wins on
• kansai chiitoi is allowed (no bonus)
• basengo: 500/honba/player
• simultaneous pon/kan call priority: atamahane

Special Yaku

• using all 8 : yakuman

Shuugi

Chip value: 5,000.

• Tanyao: 1 chip
• , ippatsu, uradora: 1 chip
• Tobi: 1 chip (for first busting payment in atamahane order)
• yakuman: 10 chips on ron, 5 chips all on tsumo
• Chonbo: 3 chips each

Uma

Anyone below 40,000 pays the 1st place 4 chips (i.e., a floating uma based on whether the 2nd place has 40,000).

Raw Points

After the game ends, raw points are rounded to the nearest 5,000. Difference from 40,000 is paid/received in chips.

Hand Scoring

No fu counting or tsumo loss. See below table for breakdown. Basically, 1-han non-dealer is 1,000, and any payment is 1,000 minimum. Non-dealer tsumo has some arbitrary splits (these splits are pretty standard in no-fu no-tsumo-loss rulesets):

oya ron	oya tsumo		ko ron	ko tsumo
2000	1000 all	1 han	1000	1000 all
3000	2000 all	2 han	2000	1000 all
6000	3000 all	3 han	4000	1000 / 3000
12000	6000 all	4 han	8000	3000 / 5000
18000	9000 all	6 han	12000	4000 / 8000
24000	12000 all	8 han	16000	6000 / 10000
36000	18000 all	11 han	24000	8000 / 16000
48000	24000 all	13 han	32000	12000 / 20000

Other Rules

Any rules not addressed in this document follow the ruling of Mahjong Soul, and then WRC 2025