Riichi strategy: Difference between revisions

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'''Do riichi:'''
'''Do riichi:'''
* When first to tenpai, good wait (>= 6 tiles), 1-4 han after riichi. Even a riichi-only hand with a [[ryanmen]] wait is positive value.
* When first to tenpai, good wait (>= 6 tiles), 1-4 han after riichi. Even a riichi-only hand with a [[ryanmen]] wait is positive value.
* When first to tenpai, bad wait, 2-4 han after riichi. A 2 han 40 fu hand (e.g. riichi tanyao) is also stronger than damaten.
* When first to tenpai, bad wait, 2-4 han after riichi. A 2 han 40 fu hand (e.g. riichi tanyao) is better than damaten.
* When declaring chasing riichi, with a hand worth pushing, if it's at/below mangan post riichi.
* When declaring chasing riichi, with a hand worth pushing, if it's at/below mangan post riichi.


Note: "First to tenpai" also assumes it is before the 3rd row of discardeds (turn 12 or earlier). Past turn 12, it can still be worthwhile to riichi, but beware of [[dama]]/open tenpai.
Note: "First to tenpai" also assumes it is before the 3rd row of discards (turn 12 or earlier). Past turn 12, it can still be worthwhile to riichi, but beware of [[dama]]/open tenpai.


'''Don't riichi:'''
'''Don't riichi:'''
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