The Knight's contribution? I looked at the page and the Eaglescout is W
plus zFF, no Knight there.
You describe the army as seeming equal at the start, but picking up steam.
This is logical because every single piece has at least one part of its
move that increases in strength as the board empties out; the knight-move
part of the Rhino, the lame 0,3 of the Gnohmon, the halfling B of the
Crabinal, and the zFF of the Eaglescout. Given that you also have two kinds
of pieces with some jumping ability (helps you get developed in the early
game), it wouldn't
seem so surprising if the total army is stronger than the sum of its
individual piece values.
That's my guess, anyway. No warranty expressed or implied, do not remove
this tag.