This game was fought using the Bloody Big Battles ruleset (BBB). The scenario can be found on the BBB Yahoo Group.
The Austrians deploy at the River Coppa crossings
Therefore Montebello is declared a French/Sardinian victory.
This is a bit of a different game to Russo-Japanese war ones we have fought using BBB. With Line of sight limited to 9" there were barely any shooting casualties except for the Sardinian cavalry and most assaults ended in the +1-3 band.
It was frustrating playing the Passive Austrians without commanders as the road block at the river bridges show. The dice rolling was very bad with the French getting 3 double 1s in a row and one of the initial Austrian units rolling No Move for the entire game after turn 1.
We will be doing a lot more 1859. My French army is complete - in fact way too complete as I have 18 artillery units!. The Austrians need a few more bases painted so we can do Mageneta. I've also got Prussians, painted but unbased, so 1870 is somewhere in the offing.
My dilemma regarding rebasing from 40x30mm to 1" squares has been resolved - I will leave them as they are.
The rules can be purchased from Caliver Books
There is a Yahoo group for the rules here where the author answers queries
The 10mm Figures are all Pendraken
The 6mm Buildings are mainly by TimeCast