The Scenario was home made and a 'what if". Prussia had joined the 1809 campaign and sent 2 Corp to join the Austrians in Italy. The map was taken from the Napoleons Battles Scenario book for Marengo. Instead of fighting along the length of the table we set up along the length and battled for the middle. There were no specific objectives beyond break the enemy and send them running.
The rule set was Napoleon's Battles. As I had arrived late, I was assigned the Allied right flank and given flank and attack orders.