You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
alternatehistory.com
This may seem ASBish, but let's say by some great miracle, or by Stalin believing his intelligence that Hitler was going to invade and planning for it. Operation Barbarossa is halted to stop at the Daugava and Dnieper rivers. This would mean that Russia proper, Eastern Ukraine, Estonia and Eastern Latvia would be spared for the moment.
How would this effect the war?
Could the Germans regain momentum?
or
Would the USSR regroup and counter-attack?