By early November, the German forces controlled 90 percent of the city and had cornered the Soviets in two narrow pockets, but they were unable to eliminate the last pockets of Soviet resistance before Soviet forces launched a huge counterattack on November 19. This resulted in the Soviet encirclement of the German Sixth Army and other Axis units. On January 31, 1943 the Sixth Army's commander, Field Marshal Friedrich Paulus, surrendered, and by February 2, with the elimination of straggling German troops, the Battle of Stalingrad was over.