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Triplets / Quads

A tip for memorization:

• Each triplet is worth 4 fu; halved if open, and doubled if a terminal/honor.
• Each kan is worth 16 fu; halved if open, and doubled if a terminal/honor.

Waits

Each of the the five basic wait patterns are worth a certain amount of fu.

Type	Value		Example
Open Wait (Ryanmen)	0 fu		waits:
Dual Pair Wait (Shanpon)	0 fu		waits:
Closed Wait (Kanchan)	2 fu		waits:
Edge Wait (Penchan)	2 fu		waits:
Pair Wait (Tanki)	2 fu		waits:

Complex waits are always comprised of multiple different basic waits, and will be scored as a basic wait upon winning.

When a hand can be interpreted in multiple ways the interpretation that scores the most points is used.

The Pair/Head

If the hand's pair would score a yaku as a triplet, then it scores 2 fu.

If the pair is both the round win and the seat wind, then it may score 2 fu or 4 fu, depending on the rules used.

Win Condition

Winning by Ron with a closed hand scores 10fu.

A win by tsumo, whether open or closed, is worth 2 fu. There are only two notable exceptions:

• If the hand qualifies for pinfu, these 2 fu are waived.
• In a few scoring variations, a win by dead wall draw is also ineligible for the +2 fu from tsumo.

Special Cases

• Seven Pairs hands are always fixed at 25 fu.
• If an open hand has no other fu (is at 20 fu), it is set to 30 fu.

Standard Scoring Table

¹ This score is only possible when a penalty is imposed for integrating the winning tile into the hand before declaring tsumo.
² If rounded (kiriage) mangan rule is used, score as a mangan.

Three-Player (Sanma) Scoring Table (without Tsumo-loss)

In some groups, an alternate scoring table may be used when playing three-player mahjong. This alternate scoring table prevents the value of a win by tsumo from bring worth less than a typical win by ron.

¹ This score is only possible when a penalty is imposed for integrating the winning tile into the hand before declaring tsumo.
² If rounded (kiriage) mangan rule is used, score as a mangan.