Mahjiku › Pattern library › Nine Gates
九蓮寶燈 · Gau Lin Bo Dang
Nine Gates (九蓮寶燈 · Gau Lin Bo Dang) is a Hong Kong mahjong hand: A pure one-suit masterpiece shaped 1-1-1-2-3-4-5-6-7-8-9-9-9, waiting on any tile of that suit to complete. Mahjiku's default sheet prices it at 22 faan, and every win also carries the 1 faan base, so a hand whose only named line is Nine Gates totals 23 faan. Under Mahjiku's default additive payout that 23 faan is the payment itself: the winner collects 69 points on a self-draw (自摸), when all three opponents pay 23 each, or 23 from the single player who discarded the winning tile (點炮). Faan values are a table's own call; this is Mahjiku's shipped default, editable in House Rules.
patterns block of Mahjiku's default rule set. House rules vary from table to table — this is one common setting, not the only "correct" one. Your table can price it differently; the engine reads whatever your rule set says.One suit, three 1s and three 9s wrapped around a full 2-8 run.
These are not illustrative numbers: the tiles above were passed to Mahjiku's scoring engine (self-drawn and fully concealed, seat wind North, round wind North) and this is the breakdown it returned.
| Line the engine emitted | Faan |
|---|---|
| Nine Gates九蓮寶燈 | +22 |
| Base底 | +1 |
| Concealed Hand門前清 | +2 |
| Total | 25 |
The 22 faan for Nine Gates is only part of it. The same tiles also satisfy Concealed Hand (+2) — patterns stack in Hong Kong scoring, which is why a hand named for one shape often pays a good deal more than that shape's own value.
Faan is not the score by itself — it is the number the table turns into points, and Hong Kong tables do that two different ways. Both are shipped in Mahjiku; the additive model is the default.
| Payout model | One payer owes | Self-draw 自摸 | Discard 點炮 |
|---|---|---|---|
| Additivefaan is the payout | 25 | +75 | +25 |
| 半辣上half spicy | 384 | +1152 | +384 |
| 辣辣上full spicy | 8192 | +24576 | +8192 |
Self-draw: all three opponents pay. Discard: only the player who threw the tile pays. Both columns are the winner's gain, straight out of the app's settlement function.
Worth knowing. Both doubling tables stop at 13 faan, so this 25-faan hand is paid at the 13-faan row — 384 points under 半辣上 and 8192 under 辣辣上. Everything above 13 faan pays the same. The additive model has no ceiling, so there the extra faan still count.
The free faan calculator opens with this hand already selected — add whatever else your hand had and watch the points move.
Open the calculator with Nine Gates already ticked All 53 patternsMore context: the pattern library lists every hand by family, the scoring guide explains how faan becomes points, and the FAQ answers the questions people ask before their first game night.
Last updated: 2026-08-27. This page is generated from Mahjiku's shipped scoring engine — the date moves only when its content does.
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