Tokyo rules
Tokyo rules 「東京ルール」or all iihan shibari mahjong 「全一飜縛り麻雀」 is a 1957 ruleset created by Amano Daizo.
Equipment and setup
All tenbou have tenth of their usual value. Special 5000 point sticks are used.
All players start with 20000 points:
- One 5000 point stick
- Nine 1000 point sticks
- Ten 500 point sticks
- Nine 100 point sticks
- Ten 10 point sticks
Play
The game is played as tonpuusen. Two dice rolls are used during the deal.
Calling and riichi
Kuikae is allowed.
A riichi bet is 100 points. You cannot call ankan during riichi.
Winning and furiten
Furiten only affects discarded/skipped tiles, and the tiles connected to them by ryanmen; other waits can be ronned.
In the case of double ron, one person is paid in full according to atamahane; the other is paid half.
Ryuukyoku
There is no tenpai renchan or noten bappu. There are no honba.
Tochuu ryuukyoku applies to the following situations:
- Kyuushu kyuuhai
- Suufon renda
- Suukaikan
- Suucha riichi
- Sanchahou
Sekinin barai
Sekinin barai applies to the following hands:
- Daisangen
- Daisuushii
- Suukantsu
- Tsuuiisou with 4 calls and tsumo
- Chinroutou with 4 calls and tsumo
Scoring
Fu
Fu functions normally, except open pinfu is 20 fu.
Han
There is no kandora or uradora.
A special rule of zoroba 「ゾロ場」 is used:
- Each 1 or 6 rolled during the deal adds 1 han to the winning hand.
- Each sum of 7 also adds 1 han to the winning hand.
- If neither of the conditions are met, the dice are rolled again until at least 1 han is added. Each reroll adds 100 points to the winning hand.
- Zoroba does not count for iihanshibari.
Scoring tables
| Han/Fu | 20 | 25 | 30 | 40 | 50 | 60 | 70 | 80 |
|---|---|---|---|---|---|---|---|---|
| 2 | 320
(80/160) |
--
-- |
480
(120/240) |
640
(160/320) |
800
(200/400) |
960
(240/480) |
1120
(280/560) |
1280
(320/640) |
| 3 | 640
(160/320) |
800
(200/400) |
960
(240/480) |
1280
(320/640) |
1600
(400/800) |
1920
(480/960) |
2240
(560/1120) |
2560
(640/1280) |
| 4 | 1280
(320/640) |
1600
(400/800) |
1920
(480/960) |
2560
(640/1280) |
3200
(800/1600) |
3840
(960/1920) |
4000
(1000/2000) | |
| 5 | 2560
(640/1280) |
3200
(800/1600) |
3840
(960/1920) |
4000
(1000/2000) | ||||
| 6 | 4000
(1000/2000) | |||||||
| Shoumangan | 6000
(1500/3000) | |||||||
| 7+ (8+ with dora) | 8000
(2000/4000) | |||||||
| Daimangan | 12000
(3000/6000) | |||||||
| Han/Fu | 20 | 25 | 30 | 40 | 50 | 60 | 70 | 80 |
|---|---|---|---|---|---|---|---|---|
| 2 | 480
(160) |
--
-- |
720
(240) |
960
(320) |
1200
(400) |
1440
(480) |
1680
(560) |
1920
(640) |
| 3 | 960
(320) |
1200
(400) |
1440
(480) |
1920
(640) |
2400
(800) |
2880
(960) |
3360
(1120) |
3840
(1280) |
| 4 | 1920
(640) |
2400
(800) |
2880
(960) |
3840
(1280) |
4800
(1600) |
5760
(1920) |
6000
(2000) | |
| 5 | 3840
(1280) |
4800
(1600) |
5760
(1920) |
6000
(2000) | ||||
| 6 | 6000
(2000) | |||||||
| Shoumangan | 9000
(3000) | |||||||
| 7+ (8+ with dora) | 12000
(4000) | |||||||
| Daimangan | 18000
(6000) | |||||||
Yaku
1 han yaku
- Tanyao
- Yakuhai
- Iipeikou
- Pinfu
- Riichi
- Menzen tsumo
- Haitei/Houtei
- Rinshan
- Chankan
- Shiiaru raotai
- Ketsupaihou
2 han yaku
3 han yaku
- Ittsuu, 2 han if open
- Sanshoku doujun, 2 han if open
- Chanta, 2 han if open
- Sanrenkou
- Choupaikou/Sujipaikou/Chousankou
- Otakaze sankou
- Sanshoku doukou
- Renkaihou
- Shiisanpuutaa
4 han yaku
- Isshoku sanjun, 3 han if open
- Junchan, 3 han if open
- Uushin tsuukan
- Ryuuiisou, probably only 2 han + 2 han from honitsu
- Ryanpeikou
- Ryandoukou, probably only 2 han + 2 han from toitoi
- Iipin mouyue
- Uupin kaihou
- Ryansou chankan
- Chinchii toushii
Shoumangan
- Isshoku yonjun
- Rentsuu honitsu
- Chinitsu
- Honroutou
- Dorahairi chinroutou chiitoitsu
- Daichiishin
- Renhou, win during the first go-around
Daimangan
- Chinroutou
- Daisangen
- Suushiihou
- Tsuuiisou, excluding daichiishin
- Suuankou
- Suukantsu
- Tenhou
- Chiihou, win from the dealers fist discard
- Kokushi musou
- Chuuren poutou, scored as 16000/24000 points