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Tile efficiency: Difference between revisions
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'''Tile efficiency''' refers to the speed of '''hand development'''. Having better tile efficiency means that the hand is more likely to complete, and is thus faster on average. | '''Tile efficiency''' refers to the speed of '''hand development'''. Having better tile efficiency means that the hand is more likely to complete, and is thus faster on average. | ||
Only one person can win per round, and a hand of any value can win. Therefore, learning how to optimize tile efficiency is important to improving at riichi mahjong. Sometimes, it may not be best to go for the maximum efficiency play (e.g. slowing the hand to go for a yaku), but strong players should know how to | Only one person can win per round, and a hand of any value can win. Therefore, learning how to optimize tile efficiency is important to improving at riichi mahjong. Sometimes, it may not be best to go for the maximum efficiency play (e.g. slowing the hand to go for a yaku), but strong players should know how to maximize tile efficiency when needed. | ||
==Tile categories== | ==Tile categories== | ||
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Isolated tiles, also known as "lone" or "floating" tiles, are those with no neighbors. A tile is isolated when there is no tiles numerically or categorically adjacent. Therefore, they may not be used for [[naki|tile calls]]. | Isolated tiles, also known as "lone" or "floating" tiles, are those with no neighbors. A tile is isolated when there is no tiles numerically or categorically adjacent. Therefore, they may not be used for [[naki|tile calls]]. | ||
These tiles are not very useful, so they are often discarded first. However, an isolated tile may be used to "upgrade" the hand. For example, an isolated 5 can be | These tiles are not very useful, so they are often discarded first. However, an isolated tile may be used to "upgrade" the hand. For example, an isolated 5 can be kept to try and improve the hand's shape. An isolated [[dora]] can be kept to increase the value of the hand. An isolated [[yakuhai]] can be paired and then [[pon]]'d. | ||
===Taatsu=== | ===Taatsu=== | ||
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Therefore, for pure tile acceptance, a lone 3/4/5/6/7 > lone 2/8 > lone 1/9 > lone guest winds. Therefore, when discarding tiles that are unrelated to your hand, you should normally discard guest winds, then 1s/9s, then 2s/8s. | Therefore, for pure tile acceptance, a lone 3/4/5/6/7 > lone 2/8 > lone 1/9 > lone guest winds. Therefore, when discarding tiles that are unrelated to your hand, you should normally discard guest winds, then 1s/9s, then 2s/8s. When discarding tiles, you should also keep in mind mechanics like [[furiten]] and [[dora]]. With [[red fives]] in play, 4/6 become stronger than 3/7 due to being able to create ryanmen with a red five. | ||
[[Yakuhai]] are a special case. Because they can be [[pon]]'d to instantly gain a yaku and a group, they are more valuable when these conditions are met: 1. the hand would not have any yaku if opened, 2. the hand does not have an obvious "4 groups + 1 pair" yet, and 3. creating a triplet is possible (less than 2 copies are visible). In an average starting hand, they are more valuable than 1/9 but less important than 2/8. Yakuhai are a bit stronger in [[tonpuusen]] due to its faster paced nature. | [[Yakuhai]] are a special case. Because they can be [[pon]]'d to instantly gain a yaku and a group, they are more valuable when these conditions are met: 1. the hand would not have any yaku if opened, 2. the hand does not have an obvious "4 groups + 1 pair" yet, and 3. creating a triplet is possible (less than 2 copies are visible). In an average starting hand, they are more valuable than 1/9 but less important than 2/8. Yakuhai are a bit stronger in [[tonpuusen]] due to its faster paced nature. | ||