This is a straight-up fight between two identical armies, each with two red banner swordsmen, five blue banner swords, two blue banner horse and two green banner archers.
The deployments are not identical, but similar and there isn't much terrain to speak of. The main teaching purpose of the scenario seems to be ti introduce some new terrain types -- elevated ground and waterways. The waterways are impassible in this scenario, and serve to constrict the front a bit. The elevated ground doesn't affect movement, but it does provide some melee benefit. Units on the hill can attack with up to three dice, but can only be attacked with two dice in turn.
As so often happens in wargames when two identical armies face off, it was hard for either side to leverage any sort of advantage and the battle was reduced to a lot of poking around at each other, with neither side able to achieve a clear edge. It ended up coming down to a battle of attrition where the greater experience of the old warhorse prevailed by working the averages. The final score ended up being 5 flags to one, but it was a lot closer and messier than those numbers may suggest, as several of the old war horse's units were down to a single figure.
We decided not to switch sides and play again because there seemed little difference between the sides and, frankly, it didn't seem like all that interesting a battle.
Next up is Burgos, Castile, which introduces the Goblinoids and a fordable river.