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Questions tagged [riichi-mahjong]

Riichi Mahjong is a kind of Mahjong commonly played in Japan. It is famous for being suited to gambling and mahjong parlors.

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votes
1answer
264 views

Why to use Kuikae rule in Riichi Mahjong?

What is the reasoning beyond Kuikae (喰い替え) rule in riichi mahjong? What exactly are the situations that this rule prevents?
0
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1answer
368 views

Why couldn't I win in this situation with ron? [duplicate]

I was playing riichi mahjong with the gamedesign.jp Flash game and just before my turn when I would draw the last tile I got into this situation: At last, it's mine! — I thought and clicked ron ...
1
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1answer
82 views

How to add red fives to a riichi set?

when using the rule for adding the three red fives in riichi mahjong, does one add the fives to the set, or do they replace fives already in the set with the red fives?
4
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3answers
275 views

Am I allowed to take a red 5 after reaching?

When I'm in riichi and draw a red 5 from the wall, am I allowed to exchange it with the non-red 5 in my hand? I would argue it might be allowed, because it does not change the yaku, wait or hand ...
1
vote
1answer
172 views

What is a four-wind game called in Japanese mahjong?

In Japanese mahjong generally the longest game most people play is a hanchan (半荘), where the han part (半) implies that it's "half" of something, presumably a full four-wind game with 16 hands. But is ...
1
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2answers
553 views

Can someone explain me this furiten?

Please explain to me why I can Ron the opponent's discard? (see screenshot) I suppose I'm in furiten. But I don't understand why - I tried to read the rules, it states that I can't win on an ...
5
votes
2answers
570 views

Does a concealed Kan interrupt the game flow?

If you made a concealed Kan on the first turn and won on the extra tile that you drew, would you get Heaven/Earth? Do your own concealed Kans interrupt the game flow, or does it only apply when ...
0
votes
1answer
1k views

Why couldn't I declare Tsumo with this hand? [duplicate]

I recently played a game of Mahjong on the internet, and I had gotten this hand [2 Characters] [3 Characters] [North Wind] [North Wind] [4 Characters] <- Drawn Tile [Melded Pon of 2 Bamboo] [...
11
votes
2answers
16k views

Why couldn't this hand win with ron?

I have just started learning Japanese Mahjong and I am a bit lost as to why this hand failed. I did several pons and chis over the course of a hand, having a total of three open melds (one set and ...
7
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4answers
2k views

Why does an open pinfu get 2 extra fu added to the score?

In riichi mahjong, a concealed pinfu hand is worth 20-fu if it goes out on a tsumo. However, a hand with no points that has been opened gets a 2-fu bonus for no reason other than being an open pinfu. ...
5
votes
1answer
272 views

Element, wind melds worth it to reach minimum han requirement?

Just wanting to confirm whether I'm understanding these rules correctly. The rule set from which I'm deriving most of my (Rīchi-)Mahjong knowledge only has this short paragraph about tiles being worth ...
9
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1answer
921 views

Is it allowed for the next player to take the next tile while the current player hasn't finished his move yet?

A Korean-Japanese player I occasionally play Mahjong with insists that it's okay for the next player to take a tile from the wall and contemplate it while the previous player hasn't yet discarded. She ...
5
votes
1answer
3k views

Common Mahjong wait patterns

In endgame, you typically have a hand in tenpai that is waiting for 1 more tile to be complete. Usually, it is better if you are able to wait for multiple tiles so your chance to finish are increased. ...
3
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0answers
1k views

Why can't I win due to “missing multiplier”? [duplicate]

Possible Duplicate: Why couldn't this hand win with ron? Occasionally, I try to Ron, but get prompted that I cannot due to a "missing multiplier". What does this mean, and how can I avoid it? ...
7
votes
3answers
4k views

What is a “dead hand”?

This book states that "If a claimed tile is not taken within the next two opponents’ turns, i.e. before another two discards has been made, the player has a dead hand." What is a dead hand, and how ...
5
votes
2answers
3k views

What does it mean to be furiten?

This book states that "a player who is furiten, is not allowed to win on a discard." What does furiten mean, and how does it affect the game?