Wimmer Joseki

Wimmer Joseki  

starts the joseki invented by, and named after, Manfred Wimmer. The usual play for black here is a

Wimmer Joseki  

a seems to exist as an alternative to

Wimmer Joseki, continued  

is required, making good shape at a gives a bad result, see below.

After fighting goes on unpredictably, but having studied the situation is of course an advantage.

Wimmer Joseki, mistake  

Cited from Pok's site:
"Good shape" at results in a possible capture of the central black cutting stones after this sequence.