Problem diagram.
White's response to Black's marked play?

The upper right is the Kajiwara joseki. Probably 70% of pros would prefer Black's profit to White's influence, but as in this game, everything depends on the rest of the board.

Source:
Go World #37, Autumn 1984, p. 41
Cho Chikun vs. Nieh Wei-p'ing

Solution follows    (or click here to download SGF)

Inferior.
White 1 doesn't make the most of the joseki in the upper right. The upper right edge is open, so stressing territory at the top, is wrong.

White continues his mis-direction in play with 11, which should be at A to salvage something from the top area.

After White 11, Black takes the key point at A. With the upper right edge open, Black later invades and wins the game.

Correct.
The pincer at 1 works well with the White stones from the joseki in the upper right. After White 5, the 3 marked White stones are in a good position to efficiently separate the Black stones on the left from those on the right.

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