Edge template IV2a

From HexWiki
Jump to: navigation, search

Template IV2-a is a 4th row edge template with 2 stones:

Defending the template

Red has two relevant threats:

and

This leaves Blue with two options in the overlap of these threats:

xy

If Blue plays at x:

1243

Red is connected by double threat at the two cells marked "+".

If Blue plays at y:

2431

Red is connected by a trapezoid.