Riichi Book 1: Difference between revisions

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A normal hand needs four tile groups and a pair - thus, it needs five blocks. The goal of five-block theory is to identify a hand's blocks, and try to improve the weakest blocks. Prefer having five strong blocks rather than six blocks.
A normal hand needs four tile groups and a pair - thus, it needs five blocks. The goal of five-block theory is to identify a hand's blocks, and try to improve the weakest blocks. Prefer having five strong blocks rather than six blocks.


When four blocks are complete (e.g. three tile groups, one pair), a hand will be in [[tenpai]], where the hand waits to complete the fifth block. Thus, identifying blocks is a good way to identify tenpai.
When four blocks are complete (e.g. three tile groups, one pair), a hand will be in [[tenpai]], where the hand waits to complete the fifth block. Since the weakest block is likely to complete last, and a hand in tenpai waits on the last block, it's best to improve the weakest block first. Also, identifying blocks can help with identifying tenpai.


===Quality of blocks===
===Quality of blocks===
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