Double atari as a tesuji
Keywords: Tesuji
White would like to cut off Black with and
but when
puts a stone in atari and
pulls out, the attempt fails.
and
are cut off.
Rather than in the previous diagram, the double atari of
here is tesuji. A and B are miai for cutting off the big black group.
This tesuji is related to the crosscut tesuji. It sets up a ko lock.