some general indications of strategy/how it went
I'll give more infos if needed (so i'll answer any question, if there are), but i'm pretty sure this isn't going to be the best game, so i'm not giving too many details.
General strategy = economic recovery + domination
First move was to change
- production queues,
- tiles worked,
- tech researched (education for 24 turns =

, i switched to compass then optics).
I also traded for every tech available from the AIs.
I built a few more catapults, and went to war on isabella.
Obviously i was too shy on unit building, and war became difficult soon.
I sued for peace (and extorted one more tech), to heal and build some more troops.
When optics came in i whipped 1 caravel in karakorum and 1 in munich. This earned me the circumnavigation bonus

. And education was down to 10 turns (thanks to war bounty and loads of cottages). Liberalism free tech was for me = astronomy.
I did a lot of tech trading with mansa musa, + ressource trading with everyone over there + bribed JC to war vs mansa musa (bad move, he didn't send any unit AFAIK, and since they are of the same religion, they are still pleased with each other

).
I finished isabella and started war vs France, with very few (yet powerful) units

and this would be tough for the next rounds, Nappy has more power than we have.
So how the grand strategy went :
- economically/technogically well. We're tech leader, with a good military tech advantage and money easily available.
- militarily not so well. Isa is gone but nappy will be a tough nut to crack, and going to war when you're not ready is a bad move! I expect others to have the whole continent at this time, and that would be a huge difference.
How it would look for the next round ?
Building hordes of grenadiers and cannons should do the trick against nappy, but expect a strong resistance. I didn't count tiles, but i have the feeling that we don't need much land on the other continent. Saladin would be a good (=weak) target for frigates+gallions filled with cannons/grenadiers.