Stalingrad (1942)

It's the early morning, of the 23th August 1942. The Germans failed their Attack on Leningrad, now they focus on the oil fields of the caucasus. But for that, they need to capture Stalingrad. Stalingrad was for both Parties a very important city, due to it's recources. The germans Managed to push the soviets deep into the heart if Stalingrad, but what they didn't know..... Is that It would be a nearly 1 year Long siege of Stalingrad.....(don't use the voice, !non-political!)