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American Mahjong School

Scoring: you read it, you do not compute it

There is no han, no fu, no fan table. Every legal hand has its value printed on the card next to it. Scoring is a lookup, which is exactly why a beginner can play a competent game on day one.

Right vs. wrong at a glance

We use real vector tile faces so they stay sharp when enlarged. Below we show how point value is computed — each line’s value is printed on your current year’s official NMJL card (these are official points, not cash).

✓ Right: a 25-point line, self-draw = 150 points

On a self-draw each of the three opponents pays the line value (25 × 2 = 50) for a total of 150 points; on a discard only the discarder pays 100 points.

✗ Wrong: thinking self-draw pays just 25

The number on the line is the value per opponent, not the self-draw total. A self-draw is paid by all three — don’t undercount.

07

Scoring: you read it, you do not compute it

There is no han, no fu, no fan table. Every legal hand has its value printed on the card next to it. Scoring is a lookup, which is exactly why a beginner can play a competent game on day one.

The value ladder

ValueWhat it usually means
25The simplest hands. Exposed play is allowed. Most lines on the card sit here.
30Exposed with at least three pairs, or concealed with singles and pungs.
35Concealed, with multiple pairs and pungs.
40–50Harder hands, frequently concealed, often spanning two or three suits.
60–75The hardest patterns — mostly concealed-only, and much of Singles & Pairs.

Concealment is already priced in. A hand printed at 50 is already a concealed hand — there is no separate concealed bonus to add on top of it.

Who pays, and how much

SituationPayment
Won off a discard The player who threw the winning tile pays double. The other two each pay single.
Won off the wall
self-pick
All three opponents pay double.
Wall game
no winner
Nobody pays. Shuffle and redeal.
Incorrect call The hand is dead. Penalties vary by table — confirm house rules first.

Self-picking pays 50% more than winning the same value off a discard. That is why a careful player sometimes declines a claim and waits for the draw.

How a 25-point hand pays On a self-draw each of the three opponents pays double the line value (25 x 2 = 50), for a total of 150 points. On a discard only the discarder pays 100. 505050 Opp 1Opp 2Opp 3 You win 25-pt line × 2 (self-draw)= 150 points total
Points, not cash. A 25-point line paid on a self-draw brings 50 from each of the three opponents — 150 in total. On a discard only the discarder pays the line value (100). These are official card points, never money.

Two worked examples

Hand valueWon off a discardWon off the wallYou collect
25 points Thrower pays 50 · two others pay 25 each All three pay 50 each 100 / 150
30 points Thrower pays 60 · two others pay 30 each All three pay 60 each 120 / 180
50 points Thrower pays 100 · two others pay 50 each All three pay 100 each 200 / 300

House rules to confirm before the first hand

Clubs and home tables frequently add rules that change the arithmetic. The most common is a jokerless double — a hand completed with no jokers at all pays double its card value. Others include penalty pots for incorrect calls and agreed minimum-exposure rules.

None of these are standard NMJL tournament rules. Ask before you sit down, not after you win.