Edge template IV2k

The template:

(From Mike Amling, see: www.drking.org.uk)

Red has two threats:

and

using the ziggurat.

For a blocking attempt Blue has to play on one of the overlapping fields:

Move 1 (e2):

Red is connected by III-2-b.

Move 2 (d4):

Again Red is connected by III-2-b.