OK, I took some more time, and this seems more likely to be valid. This is turn 4. I haven't 100% validated it yet, but it seems a lot less likely to be cheating. Either me or someone else needs to try the communist side and see if they can duplicate it.
I fixed a couple of old problems and a couple of new ones caused by the new pathfinding. He's also got a better understanding of the difference between armor and infantry and how it affects relative strengths instead of just looking at the numbers on the counters. He also understands how artillery works better.