seems to be the strongest resistance. But with the exchange of
and
,
is the standard way of killing. After
, if Black a, then White b, the
stone works perfectly, so there is no problem.
If here, then
reduces the eyespace and proceeds to kill in the same way above. After
, if Black a, then White b.
After , Black does not have enough eyespace to live with two eyes. There is no problem with the connection of the
stone with the outside stones.