Solution 5



Possibility 5: f8-f5

Through that move White is sure to recycle pieces. If Black plays 1a5-g3 or f8-f3, White captures with, respectively, 2.h6-e6;x and or b1-e4;x.

All of the other possibilities could be countered:
Possibility 1: if White plays a5-g3, Black answers with a5-h2
Possibility 2: if White plays b1-e4, Black answers with c1-c3
Possibility 3: if White plays b4, Black answers with g7-e7
Possibility 4: if White plays c1-c3, Black answers with b1-e4
Possibility 6: if White plays h6-e6, Black answers with g7-g5