Classic

Basic Premises

  • Flower and season tiles are used and give bonus points. They can be declared one by one at any time.
  • Winds are rotated after each hand except on east win and draw.

Going Mahjong
Four sets and pair of any value are sufficient. Also see Special Hands below.

Special Hands

NameFanDescription
Heaven’s Blessing/Heavenly HarmonyLimitWhen East immediately goes out with a mahjong hand, after having drawn his/her 14 first tiles (and replacing any Bonus tiles).
Earth’s Blessing/Earthly HarmonyLimitWhen South, West or North player immediately goes out with a mahjong hand, by claiming the first discarded tile from East player.
The Thirteen Unique Wonders / Thirteen Grades of Imperial TreasureLimitOne 1 and one 9 from each suit, one of each Dragon, one of each Wind, and a fourteenth tile that will make up a pair with any of the others. Only the last tile may be claimed (or drawn from the Wall).
Catching the Moon from the bottom of the SeaLimitWhen a player draws the last available tile from the ‘live’ section of the Wall, this tile is 1 of Dots, and the player goes out with this tile (regardless of how the actual sets in hand score).
Gathering the Plum Blossom from the RoofLimitWhen a player goes out by drawing the 5 of Dots tile as a replacement tile (for a Bonus tile or after having completed a kong) from the Dead Wall (regardless of how the actual sets in hand score).
The Three great ScholarsLimitA pong or kong in all three Dragons, plus any pong or kong and any pair. Tiles may be claimed to complete any or all of these sets.
Four large BlessingsLimitA pong or kong in all four Winds, plus any pair. Tiles may be claimed to complete any or all of these sets.
Twofold Plenty / Kong on KongLimitWhen a player first completes a kong (by drawing or claiming), then with the help of the replacement tile completes another kong, and then with the help of this next replacement tile goes out.
Fourfold PlentyLimitA hand consisting of four kongs (any kongs) plus any pair. Tiles may be claimed to complete any or all of these kongs.
The Nine Gates / The Gates of Heaven / The Nine united SonsLimitA concealed hand consisting of the tiles 1-1-1-2-3-4-5-6-7-8-9-9-9 from the same suit, but no other suits and no Winds or Dragons. Any tile 1-9 from that same suit, drawn from the Wall or claimed, will now complete the mahjong hand.
Buried TreasureLimitA hand consisting of four pongs (but no kong), plus any pair. All tiles, including the one completing the mahjong hand, must have been drawn from the Wall and may not have been claimed.
All Honors / Greater HonorsLimitA hand consisting of four pongs or kongs, plus a pair, entirely in Winds and Dragons in any combi- nation. Tiles may be claimed to complete any or all of these sets.
All Green / Imperial JadeLimitA hand consisting entirely of all green tiles: Green Dragons plus 2, 3, 4, 6 and 8 of Bamboos, in any combinations making up four sets plus a pair. One or more chows may be included. Tiles may be claimed to complete any or all of these sets.
Heads and TailsLimitA hand consisting of four pongs or kongs plus one pair, and which must be made up entirely of 1’s and 9’s, from any or all of the suits. Tiles may be claimed to complete any or all of these sets.
The Wriggling SnakeLimitA pair of 1’s plus 2-3-4-5-6-7-8-9, all of the same suit, and one of each wind E-S-W-N. Only the last tile, whichever it is, may be claimed (or drawn from the Wall).


Scoring
When a player goes Mahjong, all players’ hands are scored. The tiles are scored according to the table below.

Points

TilesPoints Comment
Chow/chi0 
Pair of dragons/own wind2All other pairs score 0 points.
Exposed pong of simples2Simples are 2-8 of any suit.
Exposed pong of terminals/ dragons/winds4Terminals are 1 or 9 of any suit.
Concealed pong of simples4Simples are 2-8 of any suit.
Concealed pong of terminals/ dragons/winds8Terminals are 1 or 9 of any suit.
Exposed kong of simples8Simples are 2-8 of any suit.
Exposed kong of terminals/dragons/winds16Terminals are 1 or 9 of any suit.
Concealed kong of simples16Simples are 2-8 of any suit.
Concealed kong of terminals/dragons/winds32Terminals are 1 or 9 of any suit.
For each flower or season tile4 
Declaring Mahjong20Winner only.
Drawing winning tile from wall2Winner only.
Going out on the only possible tile2Winner only.

 

Doubles

DescriptionDoublesComment
For every pong or kong of dragons1 
For every pong or kong of own wind1 
Having all four season tiles2 
Having all four flower files2 
Having all eight bonus tiles5 
Having two sets of Dragons and a pair of the third Dragon3 
Having three sets of all three dragons5 
Having three sets of winds and a pair of the fourth wind1 
Having sets of all four winds3 
Having three concealed pongs1 
Going out by drawing the last tile from the wall1Winner only.
Going out by claiming the last discard, after the last tile has been drawn from the Wall1Winner only.
Going out by drawing a replacement tile from the Wall1Winner only.
Going out by drawing the last tile of the wall as a replacement tile2Winner only.
Going out with a worthless hand (only chows and a non-scoring pair)1Winner only.
For a hand containing no chows1Winner only.
For a had consisting of sets in terminals and/or honors (no simples) only, and any pair1Winner only.
For a hand of honor tiles and one suit only1Winner only.
For a hand of tiles from only one suit, and no honor tiles3Winner only.

Note that some doubles exclude each other in a logical way. Non-excluding doubles are cumulative though, so a winning hand with no chows (1 double) and tiles from only one suit without honor tiles (3 doubles) will have its score doubled 4 times, i.e. the score is multiplied by 2*2*2*2=16.