occupies the vital 1-2 point, then pushes. After , Black finds that he is unable to prevent White from connecting the stone outside due to shortage of liberties.
If makes a tiger shape, then , and kills.
Connecting Black to attempt miai at and results in a squeeze.
No, at lives. If White captures at , Black recaptures. Instead, extend as above:
If captures, at maintains the situation. If , then connects.
a and c are miai.
If at a then at c.
If at c then at a.
b and d are miai.
If at b then at d.
If at d then at b.