If not stated otherwise, the gameplay follows EMA Riichi rules (2016 ver.). Head referee, who oversees the running of the entire game, has final say in any disputes.
Key: ari – applies, nashi – doesn’t apply
- Tiles and tenbō points
English | 日本語 | |
Akadora/赤牌 | Ari | あり |
Starting points/持ち点 | 25 000 | 25000点開始 |
Goal/返し点 | 30 000 | 30000点返し |
Buttobi/ぶっとび | Ari | あり |
Oka/オカ | Ari | あり |
Uma/馬 | Nashi | なし |
- Winds
English | 日本語 | |
Seating at the table/場所決め | Refer: https://goo.gl/EVf9Rn (bashogime, kariton, chiicha) | 場所決め,仮東、起家:https://goo.gl/EVf9Rn |
- Gameplay
English | 日本語 | |
Kuikae/喰い替え | Nashi | なし |
Kuitan/食い断 | Ari | あり |
Ryan Han Shibari/二飜縛り | Nashi | なし |
Kan dora/槓ドラ | Ankan – before discarding; minkan, kakan – after discarding | 暗槓は即乗り、明槓/加槓は後めくり |
- Yaku
- Renhō – yakuman
- Daburu yakuman – sūanko tanki machi, kokushi 13 sided-wait, daisūshi, Chūrenpōton 9 sided-wait,
- Pārenchan:
- is awarded for eight consecutive oya wins. The streak is not broken by renchan, where oya is tenpai. If there are already 8 honba on the table, oya is required to win for the 9th time, however this time it is permitted to win without a yaku. Oya gets yakuman and the dealership changes
- Kazoe yakuman – ari/あり
- Nagashi mangan – ari/あり
- Winning
English | 日本語 | |
Atozuke/後付け | Ari | あり |
Double ron/ダブルロン | Ari | あり |
Triple ron/トリプルロン | Nashi | なし |
Atamahane/頭跳ね | Nashi | なし |
- Abortive draws
English | 日本語 | |
Four winds/四風子連打 | Ari | あり |
Kyūshu kyūhai/九種九牌 | Ari | あり |
Triple Ron/三家和 | Ari | あり |
4 riichi/四家立直 | Ari | あり |
4 kan/四開槓 | Ari | あり |
- Penalties
English | 日本語 | |
Chonbo/冲合 | Mangan | 満貫 |
Revealing up to two tiles | No penalty | ノーペナ |
Chonbo/冲合:
- 6 or more tiles revealed
- noten riichi
- ron/tsumo by mistake and showing at least 6 tiles
- a declaration while having a dead hand
- no yaku
- furiten ron
Dead hand/アガリ放棄:
- too many/few tiles in hand
- ron/tsumo by mistake and not showing your tiles or showing up to 5 tiles
- 3 or more tiles revealed
Empty calls/空チー/空ポン/空カン:
- 100 tenbō fine to the stack (only chii, pon, kan)
False calls/誤チー/ 誤ポン/誤カン:
- Confusing chii, pon and kan declarations results in 100 tenbō fine to the stack
Claiming a false set:
- 100 tenbō fine to the stack in addition to EMA rules
Riichi:
- Forgetting to place a riichi bet results in 100 tenbō fine to the stack
- Forgetting to rotate the next discarded tile, in case the riichi tile was claimed for a set, results in dead hand if pointed out or in chonbo if at least 6 tiles are revealed
- Final scores
- Add 20 000 oka to the winner’s score
- Deduct 30 000 tenbō from each person’s score
- Divide by 1000, round 0,4 down and 0,5 up. Winner’s score is processed the last, if needed adjusted so the total sum is zero
- Tournament format
- Priority in the highest accumulative score
- In case of a tie, the priority is as follows:
- Higher number of 1st places
- Average of the places in the tournament (lower the better)
- Lower number of 4th places
- Raw tenbō points (no oka, no dividing)
- Direct match result