Simplify the following text for a Grade 9 native English-speaking person.
Original: Alexei Yuryevich Zhamnov ( born October 1 , 1970 in Moscow , URS ) is a retired professional Russian ice hockey center who is currently the head coach for the KHL 's Vityaz Chekhov .
Simplified: Alexei Yuryevich Zhamnov ( ; born October 1 , 1970 ) is a Russian retired professional ice hockey player who last played for the Boston Bruins . He is the general manager of Vityaz Chekhov of the Kontinental Hockey League ( KHL ) .