Elmer understands more of the strengths and odds including artillery.
Elmer now moves his artillery up first, this should help with overruns and disengagement.
Elmer may be able to do some limited island hopping. I use a continentEmpty procedure to check for which island to hop to in order.
Elmer plays ships a lot faster.
Elmer is less likely to move more than once.
Elmer is less likely to move away from an enemy unit if he's likely to suffer a disengagement penalty.