From the rules: Cherkassy Pocket : Encirclement at Korsun is a two-player simulation of the vicious battle fought near the town of Korsun along the lower Dnepr River on the Russian Front in January and February 1944. It was the largest pocket formed by the Soviets since the watershed battle of Stalingrad two years earlier and witnessed some of the heaviest combat in the Russo-German War. Game scale: 24 hours per turn Battalion to Brigade units 1.25 miles per hex - BoardGameGeek