The victim's name is Albert Magnuson and he's a master chess player. He is most likely named after the 13th century alchemist, Albertus Magnus.
Marina Benedict, who guest stars in this episode, also guest starred in Angel, along with David Boreanaz (Booth).
Both Michelle Clunie and Scott Lowell played in Queer as Folk.
The victim's name was most likely a play on Magnus Carlsen who was one of the top rated chess players in the world at the time this episode was being filmed. Shortly before this episode aired he became world champion for the first time.