Mahjong is one of the most popular board games in China. The rules may seem simple, but it is not easy to really understand "what makes mahjong stupid." Many novices often miss opportunities and even make jokes when playing cards because they are not clear about the conditions of the game. Today, we will take a detailed breakdown of Mahjong's Hupai rules so that you can easily master the essentials of Hupai.

1. Basic conditions for Mahjong

No matter what kind of mahjong play, the core of Hu cards is to form the cards in their hands into a specific structure. Generally speaking, a standard Hu brand type needs to meet the following conditions:

  • 手牌总数通常为14张（包括摸牌或吃碰杠后的牌）。
  • The card type consists of four sets of "face" and a pair of "general cards".
  • "Face" can be three consecutive ordinal cards (straight), or it can be three identical cards (cut).
  • "General cards" are two identical cards, also known as "pairs" or "sparrow heads".

例如，一副胡牌可能是：123万、456筒、789条、东东东、中中。这里前三个是顺子，东东东是刻子，中中是将牌。只要你的手牌能拆解成这样的结构，就基本达到了胡牌的条件。

2. Common Hu brand types

In addition to the basic four sets of faces and a pair of generals, there are also many special card types in Mahjong, which often bring higher numbers. Understanding these card types will make you more strategic in actual combat.

1. seven pairs

Seven pairs means that the hand consists of seven pairs, that is, 14 cards are exactly 7 different pairs. This card type does not require straight and carved cards, and it is very intuitive when playing cards. For example: 110,000, 22 cylinders, 33 cylinders, 440,000, 55 cylinders, 66 cylinders, 770,000. It should be noted that seven pairs usually do not allow duplicate pairs (i.e. four identical cards cannot count as two pairs), but there are places where rules allow for "luxury seven pairs."

2. Pengpenhu

Touping Hu is also called "Dui Dui Hu", which means that the cards in the hand are all composed of carved pieces (or bars) and trump cards, and there are no straight. For example: 1.11 million, 222 cylinders, 333 cylinders, 4.44 million, 55 cylinders. This card type needs to be achieved by touching cards or touching three identical cards yourself.

3. exclusively

Uniform means that the cards in the hand are all composed of cards of the same suit, such as all ten thousand pieces, all bobbin pieces, or all strips. It is more difficult to use all Hu cards, but the number of strokes is very high. For example: 1.23 million, 4.56 million, 7.89 million, 1.11 million, 990,000.

4. mixed color

Mixed color means that the hand consists of one color plus a card (white in the southeast, northwest and middle). For example: 1.23 million, 4.56 million, 7.89 million, Dongdong, Zhongzhong. Mixing one color is easier than one color, but it is also a Gaufan brand type.

3. The way of playing cards

Once you know the card type of Hu cards, you must also understand the method of Hu cards. Hu cards in Mahjong are mainly divided into two types: self-touching and shooting.

1. self-drawn

Self-touching means that you have just formed a card shape after you have touched the card. Playing your own cards usually results in higher scores because all three other companies need to pay.

2. fire

Shooting means that the cards played by other players are exactly the cards you need. You can choose Hu as the card. When counting a Paohu card, only the person who plays the card needs to pay points.

In addition, there are some special methods of playing cards, such as grabbing the card (you can play that card when others make up the card), fishing for the moon (playing the last card yourself), etc. These rules vary from region to region.

4. Common misunderstandings among novices

Many novices easily make the following mistakes when judging "what makes mahjong stupid":

  • Wrong number of cards：胡牌时手牌必须是14张（杠牌后可能多出），如果少一张或多一张都无法胡牌。
  • 结构错误：误以为只要凑成四组三张加一对就行，但忽略了顺子和刻子必须符合规则（比如不能有“123万”和“456万”之外的乱序）。
  • Ignore special card types：有些牌型如七对子不需要面子结构，但新手可能不知道而错过胡牌。
  • 忘记吃碰杠的影响：吃碰杠会改变手牌数量，胡牌时需重新计算。

V. Summary

总的来说，麻将要怎么才算胡了？核心就是手牌组成四组面子加一对将牌，或者符合特殊牌型如七对子、碰碰胡等。同时，要注意胡牌的方式和牌数是否正确。掌握这些规则后，你就能在牌桌上更加自信地判断胡牌时机。当然，不同地区的麻将规则略有差异，建议在实际游戏前了解当地的具体规定。