I played 10 turns, as I will be rather busy later this week. If anyone shows up to join our team, he can jump in anytime, otherwise we three can push on at a pace that is convenient, if it is fine with you.
Plan for my turns: Repel the Japanese, amass swords against Teo, prepare the foundation of our horse city. Build some cottages, and chop.
1200BC (70)
Everything looks good. Move hurt sword into Beshbalik.
1160BC (71)
Moving swords towards Beshbalik.
1120BC (72)
Japanese archer retreats back to Japanese territory ?!? Worker goes to chop one of our neutral forests. I decide we do not need money, set research to 100%. Now we are loosing 3gpt and sped up Horseback riding to 8. Trade advisor tells me the Inca and the French has no copper nor iron yet.
1080BC (73)
Aztek wants peace. I decline.
Karakorum spear - settler.
Bad news - Teo's borders expand, now the city has 20% defense bonus. Our top-notch swords now have only 28% chance against the top defender.

Before, they had 62%. Methinks we need at least one more sword and better be prepared for heavy losses...
Moved our archer from Beshbalik eastward to provide defense fo our horse city.
1040BC (74)
Beshbalik archer - sword. Population is now 4. Will grow to 5 shortly after our gold will get hooked.
1000BC (75)
Beshbalik sword - axeman.
OK, I am converging on Teo with all we have - 5 swords, 1 axe, 1 spear. Tough call - we still havent parked the Japanese, but we gotta use those city raiders.
975BC (76)
Converging on Teo. attack next turn.
I notice some archers left Teno. Maybe another city-founding attempt from the Aztecs? But the worker is still there.
950BC (77)
Hmm... The Aztecs have 7 archers in Teno again.
OK, let the siege of Teo begin.
Swordsman (cr2, 27%) dies but the top defender archer is down to 1.3.
Swordsman (cr2, 65%) wins, down to 1.6
Swordsman (cr2, 65%) wins, down to 0.6
I promote a sword with cover, it is useful in open land too.
Swordsman (cover, 94%) wins without a scratch, I keep Teo.
Teo is the holy city of Judaism and ivory is in range. Will be helpful with our happiness problems
Spearman enters Teo, will move on towards the Japanese. Move an axeman and a sword towards the Japanese.
925BC (78)
Our fortified archer near Teno is killed by an archer

after killing 5 Aztec archers

. Still, the parking of the aztec capital is over, and I dont have the resources to reestablish it soon.
A barbarian axeman appears north of Beshbalik. Luckily, we will have an axeman there next turn.
Our axeman-sword pair is moving towards the Japanese. I promote the sword with cover, the axe with shock.
900BC (79)
Karakorum settler - axeman(2).
Beshbalik axeman - archer(3). Gold is online.
The axeman is shadowing the barbarian axeman.
The axe-sword pair sees a Japanese archer guarding a pig hill.
Settler moves to its destination using pre-built roads.
875BC (80)
Horseback riding - Writing(4)
Founded Turfan close to the horses. Starts barracks, working the wheat. Horses are connected with road, still need pasture.
Promoted our shadow axeman with shock and fortified on copper. If the barb axe kills him, we still have an archer and a wounded sword in Beshbalik to take revenge.
This is the end of my turns.
Our situation in Turfan is not very strong. Maybe if the Aztecs come after us en force, we will have to make peace with them. No problem, they have had it, I do not think they will be much of a problem any more. Declare on someone else in that case.
We have a sword, an axe, and a spear to harass the Japanese. They have an army of 2 archers and a warrior that seems to go towards Teo, but it should not be a problem (we have two swords there, an archer would be nice too).
I think with these four cities we have a nice core, let us now consolidate the situation, fortify our cities a bit more and build some libraries. I would build one or two cottages on those floodplains at our capital, and maybe one at Beshbalik too.
Renewing the park on the Aztecs should be done too. Soon we will have keshiks to roam around.