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improve the page. simplify intro. add riichi subsection. note honba & riichi bets
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(improve the page. simplify intro. add riichi subsection. note honba & riichi bets) |
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[[Image:Ron question.png|right|thumb|250px|Discarded winning tile may not be enough for [http://tenhou.net/0/?log=2014073113gm-0089-0000-b078ae6a&tw=0 gyakuten].]] | [[Image:Ron question.png|right|thumb|250px|Discarded winning tile may not be enough for [http://tenhou.net/0/?log=2014073113gm-0089-0000-b078ae6a&tw=0 gyakuten].]] | ||
'''Gyakuten''' {{kana|逆転}} is | '''Gyakuten''' {{kana|逆転}} ("comeback") is when a player improves their placement during the [[oorasu|last hand]]. [[Score table memorization|Knowledge of the points table]] is particularly helpful: it can help determine the needed tile composition, if you can [[naki|open]] the hand, if you need to call riichi, and other key decisions. In any case, like most things in Mahjong, at least a little luck is required. | ||
==Strategy for oorasu== | ==Strategy for oorasu== | ||
The term normally applies to the last hand of the game. | The term "gyakuten" normally applies to the last hand of the game. In the last round, once a non-dealer wins, the game ends, and placement is finalized. Therefore, even a 100 point difference can matter. Lower players must develop a hand that gives enough score to pass the higher ranked players. On the other hand, players with their desired standing must find a way to retain their position at the end of the game, either by winning the final hand or simply avoiding losing points. | ||
===Riichi=== | |||
If an open version of a hand is enough to improve your placement, no matter how it's won, then open the hand for the extra speed. Similarly, if you can guarantee improvement with a [[damaten]] hand, then do that. | |||
Riichi gives 1 han, plus random bonuses via [[ippatsu]], [[ura dora]], and/or [[mentsumo]]. If you're particularly lucky, a riichi-only hand can turn into mangan with riichi ippatsu mentsumo dora 1. At the same time, opponents will be especially wary of a riichi in the last round, precisely because they don't want to lower their placement. You should still riichi, though, if it would let you improve placement with a ron, a non-direct ron, or a tsumo. | |||
In some cases, the 1000 point riichi bet is enough to drop you down a placement. If you have another yaku, you should usually go dama. If you don't have a yaku, then riichi is still worthwhile if you have a good wait. Since the trailing player is only 1000 points behind, any win they make would be enough for you to drop down, so you should still try to win. | |||
==Score differences== | ==Score differences== | ||
With essentially the last hand of the game, players have one chance left to make a difference in the game. With that, awareness of point difference is key, which links directly to values from the [[scoring table]]. Here, minimal hand values are considered at the very least in order for players to surpass others higher in placement. | With essentially the last hand of the game, players have one chance left to make a difference in the game. With that, awareness of point difference is key, which links directly to values from the [[scoring table]]. Here, minimal hand values are considered at the very least in order for players to surpass others higher in placement. | ||
Using the values from the scoring table, a point difference can tell players which hand values are necessary to surpass a leading player. | |||
Using the values from the | |||
{| class="wikitable" | {| class="wikitable" | ||
|+Gyakuten table | |+Gyakuten table | ||
| Line 143: | Line 149: | ||
|96000 | |96000 | ||
|} | |} | ||
'''Note: direct hit rons are worth double.''' Also, make sure to apply [[honba]] and/or riichi bets as needed. | |||
== External links == | == External links == | ||
{{Navbox strategy}} | {{Navbox strategy}} | ||
[[Category:Strategy]] | [[Category:Strategy]] | ||