I started a thread on this in soc.history.what-if some years ago:
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"In another incident, Hitler was almost caught by a surprise Soviet attack on the ground. In February 1943, he paid an urgent visit to the field headquarters of Field Marshal von Manstein at Zaporozhye in the Ukraine, where Army Group South was taking a battering. While Hitler proceeded to a conference with von Manstein, his pilot, Baur, waited at the airfield to the east of the city, where they soon received the alarming news that a column of two dozen Soviet tanks had breached the German defenses and was approaching at speed. As Baur noted, 'There was nothing between them and the airfield.' With Hitler still in conference with von Manstein, a defense force was hastily assembled, despite lacking artillery and anti-tank weaponry. When the column of twenty-two Soviet T-34s appeared at the airfeild perimeter, Baur hurried to find Hitler and request a tactical withdrawal, but Hitler refused, replying that such measures would not be necessary. Soon after, the Fuhrer duly returned, boarded his aircraft, and departed. As Baur later learned, the Soviet vanguard was running low on fuel and, expecting stiff resistance at the airfield, had decided not to press their attack. When informed of the seriousness of the situation, Hitler would describe their escape simply as 'a bit of luck." Roger Moorhouse, *Killing Hitler: The Plots, the Assassins, and the Dictator Who Cheated Death* (2006), p. 175.
Most of the what-ifs in this newsgroup about Hitler being killed in World War II (after the Elser attempt) have dealt with the resistance in the German Army doing the job. What if instead the Soviets had succeeded in killing him in February 1943? (Another possibility: Granted that Hitler is determined not to be taken alive, what if he is nevertheless captured? Do the Soviets kill him at once? Bring him to Moscow? If so, do they stage a public trial? That seems too risky--of course Beria could always
get innocent people to confess to conspiring to destroy the USSR and murder huge numbers of Soviet citizens, but trying the man who actually did conspire to do this risked that Hitler would turn the trial into a denunciation of "Jewish Bolshevism"...)
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See
https://soc.history.what-if.narkive.com/clrEvLhB/hitler-killed-or-captured-by-red-army-february-1943 for the replies...