Sacrifice a single stone on the second line 2
Keywords: Shape, Tactics
This is game 82 from the Go Teaching Ladder.
Here is a typical device to do something for a corner shut in by a double approach. (Cf. 3-6 point pincers.)
Here was a little unreasonable. White should have played
at
, to avoid being shut in.
Black can play more simply here for influence, up to the table shape .
Comment by Seong-june Kim 6d, from the unpublished book 'Fighting Fit'.