Chinese Official · MCR

Score a hand.
Understand every fan.

Build a complete hand with authentic Chinese Official tiles. The calculator validates its structure, compares possible decompositions, and explains the highest supported score.

34 tile faces8 fan minimum0 hidden rules

Choose an add type, then select tiles from the library.

Step 1

Tile library

Chinese Official tiles

Add tiles as

Each click adds the complete selected group. The four-copy limit is always enforced.

Characters万

Bamboo条

Dots筒

Winds风牌

Dragons三元牌

Step 2

Build the hand

0/14structural tiles

0/14 concealed0/4 melds0 physical tiles

Concealed handSelect a tile below to remove it

No concealed tiles selected yet.

Declared meldsChi, Pong, and Kong groups appear here

No declared melds. The hand is currently closed.

Step 3

Winning context

Win method

Winning tilePrevailing windSeat wind

Flower tiles

Special conditionsLast copyWinning tile is the fourth copyLast tile of wallFinal draw or final discardReplacement winWin after declaring a KongRobbing a KongClaim an upgraded Kong tile

Step 4

Result

8-fan minimum

算

Ready when your hand is.

Build a complete hand, choose the winning context, then calculate its fan.

Scoring coverage · 81 fan rules

This learning calculator covers common Chinese Official patterns, Seven Pairs, Thirteen Orphans, Kongs, winds, and special win conditions. It is not a substitute for a tournament referee.

88 fanThirteen Orphans · Nine Gates · Big Four Winds · Big Three Dragons · All Green · Four Kongs · Seven Shifted Pairs

64 fanLittle Four Winds · Little Three Dragons · All Honors · Four Concealed Pungs · Pure Terminal Chows · All Terminals

48 fanQuadruple Chow · Four Pure Shifted Pungs

32 fanFour Pure Shifted Chows · Three Kongs · Mixed Terminals and Honors

24 fanSeven Pairs · Seven Star Not Connected · Full Flush · Pure Triple Chow · Pure Shifted Pungs · All Even Pungs · Upper Tiles · Middle Tiles · Lower Tiles

16 fanPure Straight · Three-Suited Terminal Chows · Pure Shifted Chows · All Fives · Triple Pung · Three Concealed Pungs

12 fanUpper Four · Lower Four · Big Three Winds · Lesser Honors and Knitted Tiles · Knitted Straight

8 fanMixed Straight · Reversible Tiles · Mixed Triple Chow · Mixed Shifted Pungs · Last Tile Draw · Last Tile Claim · Out with Replacement Tile · Robbing the Kong · Two Concealed Kongs · Chicken Hand

6 fanMixed Shifted Chows · All Pungs · Half Flush · All Types · Melded Hand · Two Dragon Pungs

4 fanOutside Hand · Fully Concealed Hand · Two Melded Kongs · Last Tile

2 fanDragon Pung · Prevalent Wind · Seat Wind · Concealed Hand · All Chows · Tile Hog · Double Pung · Two Concealed Pungs · Concealed Kong · All Simples

1 fanPure Double Chow · Mixed Double Chow · Short Straight · Two Terminal Chows · Terminal or Honor Pung · Melded Kong · One Voided Suit · No Honors · Edge Wait · Closed Wait · Single Wait · Self Draw · Flower Tiles