The battles were Smolensk and Borodino, using the "in the grand manner" rules. It was the first time I'd even seen these rules and they are not for the beginner. However, if you use Napoleonic tactics you get a Napoleonic result. I spent a happy afternoon charging my light cavalry against a square before it broke on the last turn of the day!
For the refight of Borodino I was assigned Junot's Corps which was redeployed to attack Borodino village. As this is separated from the rest of the battle by a stream it worked out that I and my opponent could just get on with our own battle as it had no impact on the larger conflict. I played three versions of this battle, once as the Russians, and twice as the Westphalians. I managed to loose all three times, so some things never change.