Tile efficiency: Difference between revisions

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==Important concepts==
==Important concepts==
The general ideas of tile efficiency are:
The general ideas of tile efficiency are:
*Discard the tiles that have the fewest amount of upgrades
*Discard the tiles that contribute the least to tile acceptance / have the fewest amount of upgrades
*Prefer increasing tile acceptance at 1-shanten than before 1-shanten
*Try to get a good wait at [[tenpai]]
*Try to get a good wait at [[tenpai]]
*Prefer ryanmen over other types of joints
*Prefer ryanmen over other types of joints
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===Five-block theory===
===Five-block theory===
"Five-block theory" states that a standard winning hand has five "blocks" - four groups + one pair. Each joint and sequence in the hand is considered a block. Since pairs can turned into triplets, each pair is also a block. When a hand has 6 blocks, one of them will eventually need to be discarded. Thus, it is good to build hands with 5 blocks in mind (i.e., having 6+ blocks is redundant).
"Five-block theory" states that a standard winning hand has five "blocks" - four groups + one pair. Each joint and sequence in the hand is considered a block. Pairs are also considered a block, since they can be turned into a triplet. When a hand has 6 blocks, one of them will eventually need to be discarded. Thus, it is good to build hands with 5 blocks in mind (i.e., having 6+ blocks is redundant).


Example hand split into blocks:
Example hand split into blocks:
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