Toitoihou: Difference between revisions

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=== Viability ===
=== Viability ===
Naturally, this yaku is reasonable if your hand contains many triplets and/or pairs. Note that toitoi looks easier than it actually is. While you have access to pon to complete triplets, your opponents might not discard the tiles required to pon in the first place. This is especially true with middle tile pairs (pairs made of tiles numbered from 3-7); since the middle tiles are likely to be kept in an opponent's hand, they are hard to pon, making this yaku slower to complete.
Naturally, this yaku is reasonable if your hand contains many triplets and/or pairs. Note that toitoi looks easier than it actually is. While you hae access to pon to turn pairs into triplets, your opponents might not discard the tiles required to pon in the first place.
 
Pairs made out of middle tiles (tiles from 3-7) are particularly hard to pon. Because the middile tiles are likely to be kept in an opponent's hand, they are hard to pon. If you have multiple pairs made out of middle tiles, this yaku will often be slow to complete.


In addition, a hand with many pairs can also form [[chiitoitsu]]. The (very rough) rules of thumb are:
In addition, a hand with many pairs can also form [[chiitoitsu]]. The (very rough) rules of thumb are:
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