Russo-Turkish War

You can lose your main keypoint and this won't make you lose, so don't bother defending it, instead, use Farragut or Loof if you have him on the boat and attack the fort south, key points are red circles, the general in the red circle city is also a key point, so make sure to finish him, use artillery generals if you have and go out to invade the eastern city, the Bulgarians are helpful, don't bother making soldiers unless it's to defend a village, because the Ottomans might try to take the IV Level Village (Key Point) southwest, on the north east village, build a military academy, invading the III village east will give you University level II (8 knowledge per round), then spam spy on the fort to make things easier, just spam artillery and destroy everything, cossacks and artillery are the key, upon destroying the fort, which is normally the last keypoint, you will win even if you lost a city (as long as it's not the key point one). Hope this is helpful, and remind, on this battle, losses don't matter, just attack even if you lose troops.