pi-suke endgames

This is application for practicing endgames of reversi.

・We have recorded 7000 questions.
・Five levels of difficulty can be set.
From beginners with 3 empty squares to high level players with 10 or more empty squares.
You can select various question formats such as unsolved, random, shuffle, etc.
・If you can't solve the problem, you can use the research mode to check whether your hand is good or bad.

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