Wedge - Extend on the Fourth line after Checking Extension
Keywords: Opening
White plays this development from the wedge at 3, in search of lighter shape, and also out of dislike of White a, Black b which is ideal for Black's corner shape.
This idea may go back to Kobayashi Koichi in 1979.
![[Diagram]](../../diagrams/40/c0c9a4ebf6c49121be857e0a53f479ab.png)
2024 the Authors,
published under the ![Sensei's Library [Welcome to Sensei's Library!]](../../images/stone-hello.png)