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Riichi strategy: Difference between revisions
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→Considerations for riichi
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Being the first to riichi is a big advantage of itself. If you don't plan on folding, you should delay riichi if you have many such "upgrade tiles". As a contrived example: | Being the first to riichi is a big advantage of itself. If you don't plan on folding, you should delay riichi if you have many such "upgrade tiles". As a contrived example: | ||
{{#mjt: | {{#mjt: 123m345p888p4449s}} Waiting for: {{#mjt: 9s}} | ||
You could upgrade the hand to a two-sided or better wait with: {{#mjt: | You could upgrade the hand to a two-sided or better wait with: {{#mjt: 14m235679p2356s}}, which is up to 48 tiles. Of course, this number is reduced for every opponent discard, so keep note of that. As the round progresses, you should be more willing to riichi; you don't have as much time to wait for an upgrade. | ||
Also, the hand lock prevents you from defending, which is arguably the biggest risk of riichi. Often, the reward is worth the risk. But if the risk of dealing in is greater than the reward of winning the hand with additional value, then it can be a bigger point of consideration. | Also, the hand lock prevents you from defending, which is arguably the biggest risk of riichi. Often, the reward is worth the risk. But if the risk of dealing in is greater than the reward of winning the hand with additional value, then it can be a bigger point of consideration. | ||
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{{main|Furiten}} | {{main|Furiten}} | ||
Declaring riichi means that, if the player declines the first possible ron, | Declaring riichi means that, if the player declines the first possible ron, they enter permanent [[furiten]]. A damaten hand would only enter furiten until the dama player's next discard. | ||
First, damaten has better control over [[yasume]]. If a riichi hand wins off a bad wait, you have to accept it or enter furiten. However, since riichi adds an average of around 1.5 han, this is only an issue if the waits differ by 3+ han. Even then, you may want to riichi despite this. | First, damaten has better control over [[yasume]]. If a riichi hand wins off a bad wait, you have to accept it or enter furiten. However, since riichi adds an average of around 1.5 han, this is only an issue if the waits differ by 3+ han. Even then, you may want to riichi despite this. | ||
Second, a damaten hand can try and target a specific player. This can be done to [[gyakuten|change placement]] (e.g. targeting 1st place as 2nd). However, since riichi gives a hefty point bonus, it might change placement even if you ron the "wrong" player | Second, a damaten hand can try and target a specific player. You may want to ron to get a player below 0 points, ending the game immediately. Or you may wish to avoid calling ron on a player with 0 points, to not end the game. This can also be done to [[gyakuten|change placement]] (e.g. targeting 1st place as 2nd). However, since riichi gives a hefty point bonus, it might change placement even if you tsumo or ron the "wrong" player. | ||
=== Game round === | === Game round === | ||
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When the game is closer to its end, point standing can affect the decision to declare riichi or not. | When the game is closer to its end, point standing can affect the decision to declare riichi or not. | ||
*Players that are ahead will be more cautious. Late in the game, increasing their lead will not matter as much, while the risk of | *Players that are ahead will be more cautious. Late in the game, increasing their lead will not matter as much, while the risk of dealing in matters more. Meanwhile, players who are behind will want to riichi to catch up. Players in the middle should analyze their own specific situations to determine if riichi is right. | ||
*The 1000 points used to declare riichi could cause you to drop down placement. If this is the case during all last (or possibly South 3), you probably shouldn't riichi, especially if you have another yaku. | *The 1000 points used to declare riichi could cause you to drop down placement. If this is the case during all last (or possibly South 3), you probably shouldn't riichi, especially if you have another yaku. | ||
*If a damaten win and riichi win would cause you to end up in the same rank, you should dama. | *If a damaten win and riichi win would cause you to end up in the same rank, you should dama. | ||