840 ad
About the trapped knight, Offa says...
Longbow (4/4) attacks knight (2/5): 81% chance of winning.
Knight (2/5) attacks longbow (4/4): 51% wins if freeshot misses, 33% if it hits.
So I attack the longbow with the knight and win, without losing any hit points!
Cannon redline the American galley near Karak.
Switch Teo to cannon, as docks are cheap and far off. No need to prebuild yet.
Irrigate one of Osaka's railed tiles, and switch to worker. I will have my pumps

Chop a forest at Kyoto; no shields earned.
Draft>disband in Delhi. Mine a grass to get hospital in 1 turn.
Switch Bombay to market and Lisbon to university; time to grow.
Switch Chichen to university.
Switch Tenoch to cannon; might as well build more of these before Replaceables turns up.
Commerce 5.5.0. Map trade for 124g.
Give Joan gems + 25gpt for wool.
Interturn
America signs Babylon up for an embargo against us. Gah.
Discover Scientific; research Atomic and switch Constan over.
Delhi builds hospital; start worker

MASH becomes available.
Cuzco builds university; start harbour.
Constan gets polluted.
Copan builds market; start harbour.
Pasar builds worker; start worker.
Osaka builds worker; start worker.
Teo builds cannon; start cannon.
850 ad
Switch research to Corporation. It is 4000 beakers, projected to take 7 turns. But we make 652 bpt, which is close enough to 666.67bpt that I am sure we can do it in 6 turns without any trouble.
Irrigate twice at Delhi to get 1-turn growth.
Chop the forest at Bombay.
There is an Arab galleon heading north between Babylon and America. Bomb it for 1hp.
Map trade for 11g.
Give Alex gems + ivory for 9gpt.
Switch Constan to Pentagon.
Interturn
My PC auto-installs a security upgrade and restarts itself. Reload to the 860ad autosave, but I have lost a record of what happened during the interturn. Something like...
Constan: Pentagon > frigate.
Worker pump towns keep pumping of course.
Dutch towns library > university.
Tarsus: court > harbour.
France gets China to ally against Arabia.
656 beakers gathered.
860 ad
Build improvements at Oporto, bringing it to 2-turn worker position.
Bomb and Arab galleon south of Kyoto for 2hp.
Map trade for 11g.
Give Joan Sanitation for 75gpt + 115g + w map.
Interturn
Delhi: worker > worker.
Tenoch: cannon > cannon.
Constan: frigate > frigate.
Pasar: worker > worker.
Osaka: worker > worker.
666 beakers gathered.
870 ad
Chase and sink the Arabian galleon near Ottoma.
Give Osman ROP; he goes from annoyed to cautious.
Ack, the Osaka worker pump would run 1 shield short... back to hospital it is then.
Interturn
Arabs and Babylonians agree embargo against us.
The Koreans finally kill the elite knight we had trapped beyond the choke - I had a galleon going to the rescue, would have made it next turn.
France takes Madrid again; they now have two Korean towns. They have Parts too!
Delhi: worker > worker.
Cuzco: harbour > market.
Constan: frigate > frigate.
Pasar: worker > worker.
Oporto: worker > worker.
667 beakers gathered.
880 ad
Give Joan Industry + 2380g for Replaceables.
Map trade for 39g.
Switch Constan to 1-turn artillery.
Switch Teo to barracks and Tenoch to frigate.
Interturn
Joan buys Brennus in against America.
Delhi: worker > worker.
Hattusas: library > court.
Constan: artillery > artillery.
Memphis: university > worker.
Copan: harbour > hospital.
Tarsus: harbour > university.
Pasar: worker > worker.
Teo: barracks > infantry.
686 beakers gathered.
890 ad
Load a galleon with 4 units to ferry past the Korean choke point.
End the alliances with Joan. She remains gracious.
Give Abe peace for 5g + w map. Give Abu peace for 25g + w map + 1g.
Interturn
France buys the Quois in against Korea and America. France MPPs Carthage.
Carthage dows Korea, presumably as a result of a Korean attack on France.
Delhi: worker > worker.
Thebes: hospital > granary.
Karakorum: worker > worker.
Constan: artillery > artillery.
Memphis: worker > market.
Pasar: worker > worker.
Oporto: worker > worker.
Tatu: library > court.
689 beakers gathered.
900 ad
Dump the four units behind the Korean blockade and load up the army.
Map trade for 49g.
Interturn
Joan buys Ham in against Korea. What a dogpile!
677 beakers gathered; Corporation discovered. Research Steel.
Delhi: worker > worker.
Chichen: university > market.
Constan gets polluted.
Pasar: worker > worker.
910 ad
Clean up the pollution. Switch to Darwin. Constan has 70 shields in the box, and is running at 84spt and 1 specialist.
We are currently on 722bpt, including two scientists.
Dump the army near Seoul. Try to promote two conscript rifles on a redlined Korean musket and fail. Pah. Kill it with a crusader. Obviously time for me to quit.