Mahjong Orchid
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Sources

Where the numbers come from

Every tai on this site is checked against what Taiwanese players use: the big apps’ own rule pages, tournament rulebooks and published tai tables, and the game scores with the same table. This page lists what we checked, how we picked the defaults, and where tables genuinely differ.

The references

The apps

Gamesofa 神來也tai sheet and rule guideStar31 (IGS) 明星3缺1tai pagesMJOnline 戲谷rules, general columnZhaishenye 宅神爺tai page (an inflated scale)Competitive Mahjong 2 競技麻將2IGS’s tai guide for the game

Tournament rules

Mahjong Masters 麻將大師2023 tournament rules (the Chinese text governs)Chinese Mahjong League 華人麻將競技聯盟tournament rulesNTU Cup 台大盃university tournament rules

Guides and published tai tables

Wikibooks (zh) 維基教科書the Taiwanese mahjong bookShifuarticle on counting taikkplay3ctai tableCyueshen 雀神麻將桌tai rules from a table makerKikinote 奇奇筆記rules and tai

In English

Willoughby (1998)1998 English rules

How we picked the defaults

The default is what most of these sources give; a tie goes to Gamesofa (神來也), the most-played app. In English we also cross-checked English Wikipedia, Mahjong Wiki, Four Winds, the University of Chicago club and Sloperama. English pages often describe Hong Kong 16-tile, where fan double; where they contradict the Taiwanese sources, the Taiwanese reading wins.

Where tables genuinely differ

A well-known app or many tables play these lines differently from this site, and each pattern page says so in the same one line. Zhaishenye (宅神爺) scores its whole table on a larger scale, about one and a half times these values, so it is not listed line by line.

Dealer streak連N拉N

Also played: the streak without its bonus, N instead of 2N (an option at MJOnline).

2Ntai
Unaided不求

Also played: a declared hand that self-draws adds Self-draw only, without Unaided, at some tables.

1tai
Own flower正花

Also played: the bamboo numbered 3 and the mum 4 (Star31 and many tables); every flower in this app carries its number.

1tai
Flower set花槓

Also played: 2 on top of the own flower, 3 for the series, at some tables.

2tai
Last-discard win河底撈魚

Also played: not scored at all on Gamesofa or Star31.

1tai
All honours字一色

Also played: 8 on Gamesofa (神來也), Star31 and MJOnline.

16tai
Little four winds小四喜

Also played: no Round or Seat wind on top, at the NTU Cup and some home tables.

8tai
Earthly ready地聽

Also played: 8 at many home tables, often as Migi (咪幾): ready within the first few discards.

4tai
Heavenly ready天聽

Also played: 16 at many home tables; Gamesofa does not play it.

8tai
Human win人胡

Also played: 8 where a win on any player’s first discard of the hand counts (Gamesofa, MJOnline).

16tai
Earthly win地胡

Also played: Gamesofa counts it even after others have chowed or punged.

16tai
Heavenly win天胡

Also played: 16 at some tables and at the Mahjong Masters tournaments.

24tai
Seven robs one七搶一

Also played: not played in the Mahjong Masters or Chinese Mahjong League tournament rules.

8tai
Flower win from the deal配牌花胡

Also played: most tables score the flower win alone, without this line.

4tai

The common house rules on play, such as passed wins and the reserve, are in the rules page’s house-rules table.

The table itself

Every pattern, shown in tiles, with its conditions and an example. Open the tai table