3454 Enclosure/ Technique 3
jantiff: Without support, it's not easy for White to live there...
denies White the classical ko.
is a nice placement. White dies.
Hence, White should not use this technique as a raw invasion.
Bill: It may have value as a probe.
makes a ko shape, but plays to kill.
After , the ladder (a) and the semeai (b) are miai.
If the ladder does not work, takes the corner.
But first White plays shibori on the right.
Then White seals the corner with - .
This is generally good for White. Black has lost at least one move. See tewari.
Source of variations: Enclosure Joseki by Okubo Ichigen.