Chinese Official Mahjong · 64 pt

All Terminals in Chinese Official Mahjong (MCR): Points, Rules and Examples

In Chinese Official Mahjong, All Terminals (清幺九) is worth 64 points: all 14 tiles are the 1s and 9s of the three suits (1 and 9 characters, dots and bamboo) — no honors and nothing from 2 to 8.

The rules for All Terminals

• Only 6 kinds of tile qualify — 1 and 9 of characters, dots and bamboo — 24 tiles in the whole set
• No honors; with honors it is All Terminals and Honors (32 points)
• 1s and 9s cannot form chows, so a standard hand is always four pungs (or kongs) plus a pair
• The other shape is seven pairs of terminals (only 6 kinds exist, so one kind must be all four tiles, counting as two pairs)
• Claiming pungs and kongs is allowed — the hand does not have to be concealed

What All Terminals does not combine with

Under the non-repeat principle these are already implied and are not counted:

• All Terminals and Honors (32) and Outside Hand (4): every set obviously contains a terminal
• All Pungs (6): a standard All Terminals hand is always four pungs
• Pung of Terminals or Honors (1 each): every set is one, so they are not counted one by one
• Double Pung (2) and No Honors (1)

Still added on top: Triple Pung (pungs of 1 in all three suits, 16), Three or Two Concealed Pungs, Concealed Hand, Fully Concealed Hand, Seven Pairs, Tile Hog, and win-type fan such as Self-Drawn or Last Tile.

Scoring examples

These hands are scored live by the same code the game uses, including the fan not counted under the non-repeat rule.

How it relates to other fan

• All Terminals and Honors: 1s, 9s and honors, 32 points. If you hold honor pairs while chasing All Terminals, switching to it is often faster.
• Outside Hand: every set contains a 1 or 9 (chows like 123 and 789 allowed), 4 points — the small cousin.
• All Pungs: a standard All Terminals hand is always All Pungs, so All Pungs is not counted.
• Pung of Terminals or Honors: normally 1 point per terminal pung; not counted inside All Terminals.
• Thirteen Orphans uses the same tiles but needs one of each of the thirteen terminals and honors — a completely different route.

Odds of All Terminals

Only 24 tiles qualify and you need four pungs, which makes it one of the rarest 64-point hands. The chart below counts terminals *and honors* in a 13-tile opening hand — an upper bound, since honors are no use here:

Source: 1,000,000 random 13-tile deals (flowers already replaced).

An opening hand has 8 or more terminals and honors about 6.6% of the time. In 4,000 computer-played hands (3,849 wins), All Terminals appeared 0 times — far too small a sample for a fan this rare; all it shows is that it practically never happens on its own.

When to go for it

• You already hold three or four pairs of 1s and 9s and very few honors: then an All Pungs route can drift into All Terminals.
• 1s and 9s are the first tiles others discard, so pungs are claimable — but there are only four of each, and two in the discards nearly kills that kind.
• The fall-backs: with an honor pair switch to All Terminals and Honors (32); failing that it is All Pungs plus terminal pungs. All Pungs is only 6 points, so you still need more to reach 8.

To feel the 8-point rhythm for yourself, play MCR online against the computer — scoring is automatic.

All Terminals in other mahjong styles

Riichi mahjong calls an all-terminal hand Chinroutou, a yakuman (Japanese mahjong yaku list). Taiwanese mahjong has no such entry; the same tiles just score All Pungs and other tai.

FAQ

How many points is All Terminals?

All Terminals is worth 64 points in Chinese Official Mahjong. It does not add All Terminals and Honors, All Pungs, Outside Hand, Pung of Terminals or Honors, Double Pung or No Honors.

Can All Terminals include honors?

No. With honors it is All Terminals and Honors, worth 32 points.

Can I claim pungs for All Terminals?

Yes. It does not need to be concealed; pungs and exposed kongs are fine — you just lose Concealed Hand and concealed-pung fan.

Does seven pairs count as All Terminals?

Yes. Seven pairs of 1s and 9s is All Terminals and stacks with Seven Pairs (24); with only 6 terminal kinds one kind must be four of a kind, which adds Tile Hog too.

Is Triple Pung still counted with All Terminals?

In this engine, yes: pungs of 1 in all three suits add Triple Pung (16). Double Pung is the one that is absorbed.

Related fan

All Terminals and Honors 32 pt Only 1s, 9s and honors for 32 points: the pung and seven-pairs forms, what it doesn't combine with, and the All Types and Triple Pung it often brings. Outside Hand 4 pt Every set and the pair holds a 1, 9 or honor, for 4 points — half of the 8-point minimum, topped up with Concealed Hand, Two Terminal Chows and honor pungs. Pung of Terminals or Honors 1 pt 1 point for each pung of 1s, 9s or honors: non-seat winds count, scoring winds and dragons don't count twice, and which big fan drop it.