Fought my battles:

http://www.totalwar.org/patrons/pbm/kotr1326-4.zip

Based on that experience, I don't think allowing players two hours to keep the save is enough - my fights took over three!

I've broken through to Aleppo, but have not done anything with it yet: my computer started to overheat! People can play on from the above save; I'll take possession sometime tomorrow.