I would like to begin by qualifying my turns played - I played the first ten before any of the save compatibility nonsense came up, and as such I did not see the discussion in this thread. Even if I had, I do not think I would have modified my play much - I think a second city is what we want now, before the AIs sweep it all up.
On the interturn, Bismarck came to us, asking for a Pact of Cooperation, which I accepted.
Moscow's expansion went to the horses, so I purchased the cows. Our worker improved the cow first - while the horses are a better tile than cows natively, improving gives them each +1h, and since the workers were closer to the cows, that was the right choice. It would have been best if we'd bought the horses from the moment we had the cash, but there would have been some chance (I think) that we'd have expanded to the sugar, and that clearly would have been terrible. After finishing the cows, the worker moved of course to the horses.
We met Lhasa, due south of Helsinki, and Dublin, the city-state hidden in the fog whose borders we could see.
Upon discovering Calendar, I put our research on Mining, with the intent of going to Bronze Working. We're going to need that line of techs sooner or later, and with war on the horizon, having Kreposts and spears available sounds good to me. I bought Honor as our first policy, as Discipline is extremely good.
Montezuma's borders were sighted - he is due south of Washington. In fact, he came to us asking for a Pact of Secrecy against Washington, which I declined. I am inclined to think in hindsight that this was the wrong choice. Pacts of Secrecy make the AI hate the target more, and Monty fighting an early war against Washington is what we want. It may yet happen, though; our continent is pretty tight for space!
We made contact with Hiawatha just outside of German territory. The Germans are far south and west of Dublin, with a huge amount of empty space around them. They have beautiful land! I wish we'd spawned in Berlin's spot - you'll see. Rome has nice land too, they're a bit northeast of Germany and have room for first-ring cities in all directions.
On turn 10, we finish the settler and begin Stonehenge. After much deliberation, I decided to send the settler west, because Suleiman is our probable first target, having as he does two non-overlapping luxury resources, and I'd like a staging area for our assault on Istanbul (not Constantinople). The southern land, near Washington, is good too, but it's far more cramped unless you go even further south, upon which point we're talking something that's completely indefensible.
Due south of Rome, we meet Venice, another Maritime city-state!
Unfortunately, because of the placement of Rome and Berlin, it is probably impossible to see the south of the continent without tresspassing on their lands (haven't quite fogbusted enough around Berlin to know that for a fact). I decide to take the slight influence hit and end turn in their territory. On the same turn, we found St. Petersburg, where I manually assign a citizen to the 2/2/0 horses in its first ring while building a Warrior. On the interturn, Suleiman calls us up to complain about its location. I give him the polite wave-off while secretly plotting his demise
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Converted save attached, screenshots and some analysis in the next post.