Northern Knights beat Cape Cobras by 33 runs under Duckworth-Lewis method in a rain-marred Group B match of the Champions League Twenty20 in Raipur Friday night. Northern Knights opening batsman Kane Williamson produced a sensational batting show as he scored 101 off 49 balls to guide his side to a huge total of 206 for five after being put into bat.Chasing a huge target of 207 for a win, the Cobras struggled to get going and they were 44 for two when rain arrived at the Shaheed Veer Narayan Singh International Stadium. Rain continued and after a long wait, the umpires decided to end the Group B match and the Knights emerged victorious under the Duckworth-Lewis method.