AI Diplomacy

[Jason X]

Also, playing a chivalric games seems somewhat financially difficult, being unable to sack cities, having to release prisoners, which in turn gives enemies more resources, and not being able to use spies and assassins.

give it a go, you'd be surprised. low taxes/high chiv gives a population boost that means you're rolling in cash except in the very early game, and if you're playing in this high rep way, you shouldn't be fighting multi-front wars anyway