I finshed my turnset just now. Short version: things went reasonably well, but this isn't going to be easy. Here's the save:
View attachment Osman of the Ottomans, 2550 BC.SAV
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Preflight: switch Istanbul to settler; settler in 30, growth in 1
IBT: Istanbul grows to 2, growth in 5, settler in 9
Turn 21:
-lux to 10%, IW in 22, breaking even
-southern warrior 1S to hill, northern warrior 1NE to plains
IBT: barb warrior (Seljuk) appears in the north; worker finishes road
22:
-northern warrior 1E to gold mountain, discovers England; southern warrior 1W to forest
-worker 1E to plains, will start road toward FP wheat next turn. Note: When I did this, I thought this was a mistake, but then I realized another worker would be ready in 2 from Edrine to mine the BG, so maybe it wasn't.
-contact England: We're up masonry! They're up alpha and warrior code. Can trade masonry for WC and 3 gold or a worker and 10 gold. After lowering the slider, I discover that alpha would cost us masonry and 8 gpt. Referring to The Three Questions, we can afford WC but don't need it and can't trade it (every AI almost certainly has it already, and we only know England so far); we need alpha but can't afford it and might not be able to trade it by the time we meet another civ; and I'm not going to trade a tech just to get a slave worker. Conclusion: no trades right now.
-take slider back up to 90
IBT: English warrior attacks barb on mountain and dies! Never seen that happen on deity before. Another English warrior appears.
23: southern warrior 1W to hill; northern warrior 1 NE to mountain, reveals a stack of 3 English warriors (not good, but expected on deity). I didn't attack the barb becasue we'll have another warrior from Edrine before the barb can get close enough to hurt us.
IBT: English warrior stack moves 1W to plains, lone warrior moves 1SW to plains, barb fortifies. Looks like the barb won't be an issue after all.
-Edrine worker->warrior (4); pop down to 1, growth in 10. There was some shield wastage involved in continuing with the worker build, but I thought it better to get the worker out sooner.
24: new worker to BG 1 N of Istanbul; southern warrior 1S to mountain, reveals hut; northern warrior 1NE to mountain
IBT: England founds Hastings at river bend 1NE of sugar; English warrior kills fortified barb, other 2 move 1NW to forest, lone warrior moves 1 S to hill; first worker finishes road
25: southern warrior 1W to hill, avoiding hut; northern warrior 1N to mountain in English territory; first worker 1NE to plains, second worker starts mine
IBT: England asks us to leave; we apologize and promise to leave (not just yet, fellas); English warriors move into fog; Istanbul grows to 3, growth in 7
26: norhtern warrior 1N to hill, southern warrior 1S to jungle, reveals barb camp on hill 2S, 3 warriors (Hurrian); lux to 30, IW in 21, breaking even
IBT: English warrior moves S along road near London
27: northern warrior 1N to hill; southern warrior 1SW to jungle
IBT: England says "remove or declare"; we...DECLARE!!

We leave; don't want this to be the shortest SG in the history of SGs. Warrior transported to other side of England. Istanbul: settler->granary (20), pop down to 1, growth in 7; Edrine: warrior->warrior (4)
28: settler moves 3 NE along road; new warrior from Edrine follows settler; southern warrior 1SW to jungle, northern warrior 1NW to hill revealing English settler pair; first worker moves back to Istanbul; sci to 100, IW in 17, breaking even; move citizen in Istanbul to wheat, granary in 60, growth in 4
IBT: English settler pair moves off into darkness; 2 barb warriors leave camp, approach southern warrior; second worker finishes mine
29: settler 1NE to plains, will found city next turn; northern warrior 1N to hill, southern warrior fortifies in preparation for barb attack; first worker 1S to Istanbul, second worker 1S to BG; new warrior joins settler
IBT: barbs attack southern warrior--1st does 1 damage and dies, 2nd takes 1 damage and wins; 2 English warriors reappear, headed for hut in eastern jungle
30: settler founds Bursa--growth in 5, worker in 10; warrior in Bursa fortifies; northern warrior 1NE to mountain; first worker 1S to BG, 2nd worker starts road
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Research: science at max, IW in 12, breaking even
vs. England: up masonry, down alpha, wheel, and WC; can trade masonry, 5 gpt, and 15 gold for wheel; other trades mentioned earlier still good (except for the worker
Military:
-2 workers
-2 warriors
-weak vs. England (of course)
Cities:
-Istanbul (1): granary in 58, growth in 2
-Edrine (1): warrior in 2, growth in 4
-Bursa (1): worker in 10, growth in 5
England appears to have 4 cities to our 3.
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As mentioned before, things went pretty well; the only real reverse was losing the southern warrior to barbs, but we'll have another one soon. England's expanding pretty fast, though, and they might be out of room in the north, so I'm not sure how much farther we can expand before they take all the good land.
Here's the mighty Ottoman Empire:
And here's England: