Pierre, SD, USA / DRGNews Mar 17, 2021 3:49 PM CHAMBERLAIN – For the first time in four years, the Chamberlain Cubs are in the Class A Boys State Basketball Tournament. Chamberlain, at 17-4, will have its first round game on Thursday night against Sioux Valley (21-1). Cubs Head Coach Adam Nelson said that his young men are pumped to be at state.