Suit & colour

Half Flush

混一色 · Wan Yat Sik

Half Flush (混一色 · Wan Yat Sik) is a Hong Kong mahjong hand: Your whole hand sticks to one number suit — say all dots — and the only outsiders allowed are wind and dragon tiles. Mahjiku's default sheet prices it at 6 faan, and every win also carries the 1 faan base, so a hand whose only named line is Half Flush totals 7 faan. Under Mahjiku's default additive payout that 7 faan is the payment itself: the winner collects 21 points on a self-draw (自摸), when all three opponents pay 7 each, or 7 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.

6faan

Mahjiku's default value, from the 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.

How to spot Half Flush at the table

One number suit plus some winds/dragons. Two number suits = not this.

An example

What the engine scores that hand at

These are not illustrative numbers: the tiles above were passed to Mahjiku's scoring engine (won on a discard, with sets claimed from the table, seat wind North, round wind North) and this is the breakdown it returned.

Line the engine emitted	Faan
Half Flush混一色	+6
Pure Straight清龍	+10
Base底	+1
Total	17

The 6 faan for Half Flush is only part of it. The same tiles also satisfy Pure Straight (+10) — 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.

What 17 faan actually pays

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	17	+51	+17
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 17-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.

How it interacts with other hands

Gives way to All Green (20 faan) — when a hand qualifies for both, the engine emits only the bigger name. See All Green.
Gives way to All Honours (20 faan) — when a hand qualifies for both, the engine emits only the bigger name. See All Honours.
Cannot appear with Nine Gates — the engine reads a hand as exactly one of these; the two describe the same tiles in incompatible ways. See Nine Gates.
Cannot appear with Full Flush — the engine reads a hand as exactly one of these; the two describe the same tiles in incompatible ways. See Full Flush.

Try it yourself

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 Half Flush already ticked All 53 patterns

More 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.

Game points only. Mahjiku records mahjong points for a friendly table — no betting, no money, nothing to cash out. Pencatat skor mahjong. Bukan judi, tanpa taruhan.

Let the app count it

Mahjiku names every winning hand, scores it, and settles the table — live, on everyone's phone.

App Store Google Play

Home Pattern library Mahjong variants Mahjong questions Faan calculator FAQ Scoring guide Hand glossary About Privacy