Mahjiku › Pattern library › Concealed Hand
門前清 · Mun Chin Ching
Concealed Hand (門前清 · Mun Chin Ching) is a Hong Kong mahjong scoring bonus: You built your whole hand yourself, never taking a tile from another player’s discard to complete a set. The legacy additive reference sheet prices it at 2 faan, and every win also carries the 1 faan base, so a hand whose only named line is Concealed Hand totals 3 faan. Under the legacy additive payout that 3 faan is the payment itself: the winner collects 9 points on a self-draw (自摸), when all three opponents pay 3 each, or 3 from the single player who discarded the winning tile (點炮). These are legacy additive reference values; tables choose their own sheet.
Unless another sheet is named, examples use the legacy additive reference sheet. Fresh installs select Half Spicy, whose hand values and payments differ. Check the sheet selected for your table.
bonus block of the legacy additive reference sheet. 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.No sets were claimed off the table — everything came from your own draws.
A plain four-runs-and-a-pair hand, built entirely from your own draws. Claim even one set off the table and the Concealed Hand line disappears — the rest of the hand scores the same.
Passed to Mahjiku's scoring engine on the Legacy additive reference sheet (self-drawn, fully concealed, seat wind South, round wind West), that hand comes back as:
| Line the engine emitted | Faan |
|---|---|
| Ping Hu平和 | +2 |
| Base底 | +1 |
| Concealed Hand門前清 | +2 |
| Total | 5 |
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. The table below keeps the legacy additive reference sheet's hand values and changes only its payout model. The half/full rows are illustrative payout overrides, not the Half Spicy or Full Spicy presets, which also change hand values and settlement.
| Payout model | One payer owes | Self-draw 自摸 | Discard 點炮 |
|---|---|---|---|
| Additivefaan is the payout | 5 | +15 | +5 |
| 半辣上half spicy | 24 | +72 | +24 |
| 辣辣上full spicy | 32 | +96 | +32 |
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.
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 Concealed Hand 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: 2026-10-24. This page is generated from Mahjiku's shipped scoring engine — the date moves only when its content does.
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