Complex sentence: The MHL opened its doors on September 4,2009 in Moscow, when the first ever MHL game was played between MHC Dynamo and CSKA-Red Army with Dynamo picking up the historic 6--2 victory.
Split into simpler sentences: The MHL opened its doors on September 4,2009 in Moscow. The first ever MHL game was played that night between MHC Dynamo and CSKA-Red Army with Dynamo picking up the historic 6--2 victory.