1, small four happy is the sum of the three decks of wind tiles carve (kong), the fourth wind tiles for will.
The national standard is 64 pans, and the Japanese is yakuman.
For example: East East West West South West South West South South South North North Fa Fa Fa Fa
The actual difficulty of making a draw with three pairs of kongs of three of the four wind tiles of the South East, South West and North West plus a pair of the fourth paired with a shun, pong or kong of any of the other tiles is more difficult than that of the 88-pan Da San Yuan.
2, the big four happy is a way of mahjong in the sum of tiles. It is established when the mahjong tile contains 4 kinds of carvings (touching, dark carving, open kongs and dark kongs can be). Example 1: East-East, South-South, West-West, North-North, 60,000, 60,000. Example 2: East-East, South-South, West-West, North-North, Nine Pongs, Nine Pongs.
Expanded information:
Mahjong and other related terms:
1, vegetarian tiles: refers to the playing of vegetarian mahjong using one hundred and thirty-six tiles, commonly known as the vegetarian tiles.
2, flower tiles: refers to one hundred and thirty-six tiles in addition to the vegetarian tiles, there are eight other tiles, four of which are engraved characters, four engraved flower-shaped, these eight tiles for the flower spleen - to play flower mahjong, the eight tiles are added to the thirty-six tiles in the West together with the use of the vegetarian tiles.
3, a card: "cake, strip, ten thousand" three kinds of tiles in the "one, nine bamboo," "east, south, west, north" four winds and "in, hair, white" are called "a card". The first is the "么牌".
4, will be tiles: that is, two of the same card, stay in the hands of the player as and (read hu) tiles indispensable mahjong, referred to as "will be tiles". Some places called "will head".
5, quite tiles: also known as "Shun Zi bow or Ki a Shun tiles", that is, "cake, stripes, ten thousand" three-color spleen in the same suit of the three numbers connected to the card, some places are also known as "a sentence of tiles "The first is the one that is not a part of the program, and the second is a part of the program that is not a part of the program.
6, kan: refers to three of the same card for the kan - three is self-modeled called "dark kan", touching other people's is "bright kan".
7, playing cards: commonly known as "out of the card", four cards, the dealer to play a card I or in the "eat cards, touch cards, over the kong, open kong, over the happy, over the wind" and so on after the cards (i.e., out of the card).
8, touch card: also known as '"fork card" also known as "right card". That is, other people play a card, just with their own hands of a two-card become "a card", that is, the three cards pushed down to open the said "touch card".
9, eat cards: refers to the upper playing a card just with the lower hand of the two cards become "a straight card" (the same color card three numbers connected), push down the open known as "eat cards".
Baidu Encyclopedia - Big Four Happiness
Baidu Encyclopedia - Small Four Happiness
Baidu Encyclopedia - Mahjong