In the actual combat of mahjong, many poker players have encountered such confusion: they have clearly listened to the cards, and even seem to have formed a straight or a carved card, but they are told that "this card type cannot be played." So,Which type of mahjong can not play？This is usually because the card type does not conform to the basic structure of Hu cards or violates certain rules. This article will systematically sort out the common types of cards that cannot be played to help you avoid the risks of invalid cards playing and fraud.

1. Basic structural requirements of Hupai

is to be understoodWhich type of mahjong can not playFirst of all, we must clarify the basic conditions of Hu Pai. Standard Mahjong Hu cards need to meet the structure of "four pairs of faces plus a pair of generals", that is, 4 sets of straight or carved faces (faces) plus 1 pair of the same cards (generals). If the card type does not conform to this structure, there is no way to play. For example, if there are only 13 cards and no complete face and general cards, or if the number of cards is wrong (such as 14 cards but the structure is confusing), it belongs to a card type that cannot be played.

1. Wrong number of cards

The most common type of card failure is the wrong card count. Your hand must have 14 cards (when playing cards). If you have too many or too few cards, you cannot play cards. For example, when listening to 13 cards, you need to touch or eat the 14th card before you can play; if you mistakenly mistake 13 cards as 14 cards, you will be cheating. In addition, if the number of cards changes after touching or blocking cards, if the calculation is wrong, it may also lead to incomplete card types.

2. The face structure is incomplete

Even if the number of cards is correct, if the face structure is incomplete, you cannot play. For example, if you have 4 sets of straight in your hand but lack of trump cards, or if you have trump cards but only 3 sets of face, you will not be able to win. In particular, some seemingly close card types, such as "five doors are in line" but no trump card, or "three colors are in line" but lack a set of face, all belong toWhich type of mahjong can not playtypical situation.

2. Types that cannot be played under special rules

In addition to the basic structure, different Mahjong rules will also restrict certain card types from playing. Only by understanding these rules can we avoid making mistakes in actual combat.

1. You can't do anything without one thing

In Sichuan Mahjong and other rules, when it is required that the hand must be missing one door (that is, one color among ten thousand, barrel, and bar is missing). If you have all three cards in your hand, even if the structure is complete, you cannot play. For example, if you have a set of straight strings in your hand, a set of ten thousand, a barrel, and a pair of trump cards, although it conforms to the basic structure, it violates the rule of missing one and belongs toWhich type of mahjong can not playtypical example.

2. Limit of seven pairs versus luxury seven pairs

Seven pairs are special card types, requiring 7 pairs of cards in the hand. However, some rules stipulate that if a seven pair contains 4 identical cards (i.e., a luxury seven pair), a game may not be counted or allowed. In addition, if there are bars in the seven pairs, it may also affect Hu's qualifications. For example, if there are 4 identical cards in your hand to form two pairs, but the other cards are not pairs, they cannot be counted as seven pairs, nor can they be played according to ordinary cards.

3. Special requirements of 131

Thirteen ones is another special card type, requiring one card in each of 13 types of 19 cards, and any one card is added to form a pair. If you lack any kind of 19 card, or if you have an extra non-19 card, you cannot play. For example, if you have 12 types of 19 cards in your hand, but lack the "East" or "Hand" card, you cannot form 131 cards, nor can you play according to ordinary cards.

3. Common misunderstandings and suggestions for avoiding pits

Many poker players misjudge the card type because they misunderstand the rules in actual combat, resulting in missed opportunities to play cards or causing fraud. Here are some common misunderstandings and suggestions.

1. Misunderstanding the listening card for the playing card

Listening to cards is just waiting for the status of Hu cards, and the cards in the hand have not yet formed a complete structure. For example, if you have 4 sets of faces in your hand but lack trump cards, you may listen to trump cards when listening to cards, but you cannot play before touching the trump cards. If you mistakenly think that listening to cards is playing cards, you will make a mistake.

2. Ignore restrictions on special card types

Some card types seem to conform to the basic structure, but violate special rules. For example, under the rule that requires one door to be missing, a card type with three doorplates cannot be used; under the rule that requires "no sign", a card in your hand cannot be used. Therefore, the rules of this Council must be clarified before the start of the game to avoid invalid games.

3. 杠牌后的牌型变化

杠牌会改变手牌数量和结构。例如，暗杠后手牌减少一张，如果杠牌后无法组成完整面子，就不能胡。此外，有些规则规定杠牌后不能胡某些牌型，如“杠上开花”有特殊要求。因此，杠牌前要考虑对牌型的影响。

四、总结：如何避免“不会胡”的牌型

to avoid falling intoWhich type of mahjong can not playIn the dilemma, the following needs to be done:

  • Be familiar with the basic structure: Keep in mind the requirement of "four faces and one general" and check whether the cards in your hand are complete at any time.
  • Understand special rules: Mahjong rules may be different in different regions and different platforms. Confirm that one door is missing before the start, sign restrictions, etc.
  • Be cautious about holding cards: Evaluate the impact on the card type before the card is taken to avoid being unable to play cards after the card is taken.
  • multi-exercise recognition: Through actual combat or practice, increase your sensitivity to types that cannot be played.

Anyway,Which type of mahjong can not play并非玄学，而是有规律可循。只要掌握基本结构和规则限制，就能有效避免无效听牌和诈胡，提升胜率。