the rules we use for tournaments but rather the ones we use for our own personal play.
Tournaments will always use the
|Atozuke||ari||You are allowed to win if your winning tile completes your only yaku|
|Kuikae||nashi||You are not allowd to switch tiles in complete shuntsu via chi|
|Ryanhan Shibari||ari||Starting from the 5th repeat round, you need at least 2 han from yaku to win|
|Renchan||tenpai||Dealer stays dealer if he was tenpai|
|Agari yame||ari||The dealer can decide to finish the hanchan on a renchan if he's last dealer and in first place|
|Furiten Riichi||ari||You are allowd to riichi when you're furiten|
|Temporary Furiten||turn||Temporary furiten persists until you've drawn and discarded - calls don't interrupt this|
|Call precedence||pon/kan before chi||If called at the same time, pon/kan go before chi; if there is a long time period between calls, the first caller gets the tile.|
|Kyuushu kyuuhai||ari||You can repeat the hand if you have nine different yaochuuhai in your starting hand, after your first draw (calls interrupt this)|
|Suucha riichi||nashi||The hand does not get drawn if there are four riichis on the table and nobody won off the final riichi discard|
|Suukaikan||nashi||The hand does not get drawn if there are four kans and nobody wins of the discard after the kan, unless the kans are from the same person|
|Suufon renda||nashi||The hand does not get drawn if the same four winds get discarded during the first turn|
|Sanchahou||nashi||In case of three rons on the same tile, the loser has to pay all three winners|
|Akadora||nashi||No red fives|
|Uradora||nashi||No extra dora after winning with riichi|
|Kandora||nashi||No extra dora after kan|
|Kanuradora||nashi||No extra dora below kandora|
|Kuitan||ari||Open tanyao is allowed|
|Ippatsu||nashi||No extra yaku for winning the turn after you declared riichi|
|Daburu Riichi||ari||Extra one han yaku for declaring riichi during the first turn (interrupted by calls)|
|Open Riichi||ari, wait only, no yakuman||When declaring riichi, you can show your wait to everyone for one extra han; no yakuman when dealt into|
|Nagashi Mangan||ari||If the round is drawn, you only discarded yaochuuhai and nobody called from you, then you win with a Mangan hand|
|Haitei rinshan||nashi||If you kan the penultimate tile and then tsumo off the kan draw, it's only rinshan kaihou, not haitei|
|Daisharin||nashi||No special yakuman for 22334455667788 in one suit|
|Paarenchan||nashi||No special yakuman for winning eight times in a row|
|Hatsu in Ryuuiisou||optional||You can have hatsu in your ryuuiisou, but you don't have to|
|Renhou||mangan||Renhou (ron during first turn) is at least mangan, not yakuman|
|Kokushi ankan ron||ari||You can ron a closed kan iff you are tenpai for kokushi musou|
|Kazoe yakuman||ari||If you have 13 or more han, your hand is considered yakuman|
|Double yakuman||nashi||There are no double yakuman|
|Combined yakuman||nashi||Yakuman do not stack - if you have two yakuman in your hand, it's still only counted as one|
|Daisangen/Daisuushi pao||ari||If you deal into a pon of the last dragon or wind and the others are already visible, you are liable for at least half the payment|
|Suukantsu pao||nashi||No such rule for suukantsu|
|Daiminkan pao||nashi||No pao for rinshan kaihou|
|Honba on pao ron||pao pays||The person who is responsible for the pao payment pays any points due to honba|
|Kiriage Mangan||ari||4han30 and 3han60 are mangan|
|Chombo payment||20k after scoring||If there's a chombo, 20k points are payed after completing the tables scoring (including uma/oka)|
|Start score||25000||Everybody starts with 25k points|
|Goal score||30000||The point baseline is 30k (see below)|
|Tobi||negative||The game is aborted if somebody falls below zero points|
|Shaaba||ari||If nobody has at least 30k points at the end of the south round, the hanchan continues in the west round until somebody reaches 30k points|
|Shared placings||ari||It's possible for two people to have the same place|
|Leftover riibo||lost||Any leftover riichi sticks are lost if the hanchan ends on a draw|
|Score rounding||Tenhou||Scores are rounded to the nearest thousand and then the difference from 30k is calculated; the first place gets the positive sum of the points of the other places|
|Oka||5000||There is a 5000 oka, meaning the winner gets 15k points extra|
|Uma||30000/10000||First place gets 30k, second 10k, third -10k, fourth -30k|
Chombos are awarded for noten riichi or declaring a wrong win and opening the hand.
Dead hand is awarded if at any time a player has too few or too many tiles in his or her hand.
Players with a dead hand may not pon/kan/chi and are never tenpai.
For 3 players, the same rules as for 4 players apply, with the following changes:
Start score is 30000 and goal score is 35000.
The uma is 20000/0/-20000.
All man tiles except for one and nine are sorted out.