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Question about ryuuiisou

Posted: Fri Jan 23, 2015 11:52 pm
by ijontichy
I've been playing MahJong Nagomi HD on the iPad (what a time killer!) and I have a question about ryuu iisou (緑一色). I thought I achieved it on two occasions, but both times the game failed to recognise it. On both occasions, I had open melds and the winning tile was a ron. The first time, I had no hatsu (green dragons), the second time I had 3 of them (one of which was the winning tile).

So my question is, was this caused by a game bug, or is there some obscure or optional rule about this hand that I'm not aware of?

Re: Question about ryuuiisou

Posted: Sat Jan 24, 2015 2:50 am
by or2az
I used the Mahjong Nagomi app (normal mode on iphone/ipod only) when I started playing because it was one of the few in english. I don't anymore.
If the ipad game is NOT the same, then the following might not help.
The hand is illustrated in the rules section. It can only contain 2-bam 3-bam 4-bam 6-bam 8-bam and green-dra.
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It is also listed on the statistics page.
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It is NOT one of the yakuman that can be turned off on the rules page. (ari/nashi)
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Although I have never gotten it, I am of the opinion that it should work. Even su renko (4 consecutive pongs), can be enabled in this game!
I am not aware of any other restrictions for this yakuman but consider this.
The hand can likely be subject to furiten, especially around the 1, 2, 3, 4, and 5 bams. While it may be necessary to discard the 1 and 5 bam to build this yakuman, these discarded tiles may lead to a tenpai hand with furiten.

Re: Question about ryuuiisou

Posted: Sat Jan 24, 2015 5:34 am
by ijontichy
Ah thanks, then it's my stupid misunderstanding, I should have read the fine print more carefully. My problem was that I thought the 2-pin, 4-pin and 8-pin were considered "green" for the purpose of this yakuman.

Re: Question about ryuuiisou

Posted: Tue Jan 27, 2015 6:31 pm
by Kyuu
I could have scored it recently: ... &tw=1&ts=6

But no, I made a poor life choice. Going jigoku tanki, instead of furiten ryanmen-tanki. Just another case to be butthurt over - for a long time.

Re: Question about ryuuiisou

Posted: Tue Jan 27, 2015 9:04 pm
by or2az
just to be sure: you went for a hell wait on the green dragon (only 1 of them was still available) instead of a tsumo of the 3-bam because you had already discarded the 5-bam and that meant you would be furiten if you tossed the green-dra instead (and then would not be able to ron the 3 bam). I can just picture your reaction when you later drew the 3-bam but eventually lost the hand. Oh, the pain!!!

Out of curiosity, would you do the same thing if it happened again?