Chinese Official Mahjong · 48 pt

Four Pure Shifted Pungs in Chinese Official Mahjong (MCR): Points, Rules and Examples

In Chinese Official Mahjong, Four Pure Shifted Pungs (一色四节高) is worth 48 points: four pungs (or kongs) of one suit in consecutive numbers — say 3, 4, 5 and 6 bamboo — plus any pair.

The rules for Four Pure Shifted Pungs

• Four pungs or kongs of one suit, with numbers rising by one (e.g. 333, 444, 555, 666)
• The pair can be anything: honors or another suit
• Claiming and kongs are allowed — it does not need to be concealed

What Four Pure Shifted Pungs does not combine with

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

• Pure Shifted Pungs (24): any three consecutive pungs of the four form one
• Pure Triple Chow (24): 333444555 can also be read as three 345 chows
• All Pungs (6): all four sets are pungs

Still counted: Full Flush (if the pair is the same suit), Half Flush (with an honor pair), Four or Three Concealed Pungs, All Simples, Concealed Hand, Single Wait, and Pung of Terminals when a pung is a 1 or 9.

Scoring examples

Scored live by the game's own code, including the fan not counted under the non-repeat rule.

Another reading of the same tiles

Three consecutive pungs like 333444555 can also be read as three 345 chows (Pure Triple Chow, 24 points). Taking the higher reading, the engine scores Four Pure Shifted Pungs.

How it relates to other fan

• Pure Shifted Pungs: three consecutive pungs of one suit, 24 points; this is one more.
• All Pungs: always implied, so not counted.
• Full Flush: with a same-suit pair, Full Flush (24) is added.
• Four Concealed Pungs: if all four pungs were drawn yourself, add 64.
• Mixed Shifted Pungs: consecutive pungs across three suits, 8 points — a different route.

Odds of Four Pure Shifted Pungs

You need three each of four consecutive tiles of one suit. The chart counts pungs already in a 13-tile opening hand:

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

Two pungs at the start happen only 0.18% of the time, and nine or more tiles of one suit only about 0.25%. In 4,000 computer-played hands (3,849 wins) Four Pure Shifted Pungs appeared 0 times, while Pure Shifted Pungs appeared in 0.08% of wins — too small a sample for the four-pung version; it is simply very rare.

When to go for it

• It usually grows out of an All Pungs plus Full Flush route: two or three consecutive pairs or pungs of one suit already in hand.
• Claim them: it does not need to be concealed, so pung those tiles when they are discarded.
• Fall-backs: Pure Shifted Pungs at 24 points already reaches 8; otherwise All Pungs with Full or Half Flush.

Try it yourself — play MCR online against the computer, with scoring done for you.

FAQ

How many points is Four Pure Shifted Pungs?

Four Pure Shifted Pungs is worth 48 points in Chinese Official Mahjong. It does not add Pure Shifted Pungs, Pure Triple Chow or All Pungs.

Can I claim pungs for it?

Yes. It does not need to be concealed; pungs and exposed kongs are fine.

Is Full Flush still counted?

Yes. With a pair of the same suit, Full Flush (24) is added; with an honor pair it is Half Flush.

What is the difference from Quadruple Chow?

Four Pure Shifted Pungs is four consecutive pungs (333 444 555 666), 48 points; Quadruple Chow is four identical chows, 48 points — both 48-point fan.

Related fan

Pure Shifted Pungs 24 pt Three consecutive pungs of one suit for 24 points: rules, how it competes with Pure Triple Chow, and what it stacks with. All Pungs 6 pt Four pungs and a pair for 6 points — short of the 8-point minimum. How to top it up and what it stacks with. Full Flush 24 pt Every tile from a single suit for 24 points. Examples, the non-repeat rules, Half Flush vs Full Flush, and how many suited tiles you need.