All about Joseki

Inappropriate Joseki Choice  

In this game between two 4 dans, the joseki in the upper right is played correctly. However, in the lower right is an overplay that Black has failed to punish. Similarly , followed by Black b is required prior to . Again Black fails to punish White in the game. Variation diagrams are shown that demostrate how Black should punish White for each of these overplays.

Punishing White 4  

This instead of a is the most severe move to punish White. After , White is in big trouble. An interesting example of an empty triangle, considered among the worst shapes, that is in fact a good move in the particular situation.

Game Continued  

In the continuation of game, a simple way to play would be for to be at a. It could also be at b; see Variation 4. The book spends four diagrams discussing , and , all of which are ill-advised, if not wrong.

Variation 4  

Variation 4 begins with , the correct move in this situation, whereas in the diagram Inappropriate Joseki Choice was an overplay. It is expected that the student will examine these two situations and determine for himself why the joseki is not appropriate in first instance and is appropriate in the second.

See Also: BQM 328