3-4 point high approach, keima, attachment, cut
This page discusses the inside cut at , instead of the standard hane at a. The cut is considered an overplay but not easy to refute.
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Best for both
Black can take the corner, while White takes influence in gote. Black's original approach ends up in an awkward position but there's aji at a.
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Fight
Usually, the aim of Black's inside cut is to follow up with . Then with and further, white turns the position into a variation of the avalanche joseki:
By playing like this, black can also get into the same position from the small nadare joseki. is a trick play, and so is the position above.
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Black's unreasonable fight
If Black tries , it ends in failure. After connecting on the first line, White can keep Black in shortage of liberties.
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