
ChessBase is a personal, stand-alone chess database that has become the standard throughout the world. Everyone uses ChessBase, from the World Champion to the amateur next door. It is the program of choice for anyone who loves the game and wants to know more about it.
Stephen Colbert (pronounced Coll-bair) is an American political satirist, writer, comedian, television host, and actor. He is the host of Comedy Central's The Colbert Report, a satirical spin-off from The Daily Show in which Colbert portrays a caricatured version of conservative political pundits, focusing on a fictional anchorman who is a "well-intentioned, poorly informed, high-status idiot." You can watch the show regularly here.
Floyd Mayweather Jr. is an American professional boxer, a five-division world champion, having won eight world titles in three different weight classes. He is probably the most successful boxer of all time, money-wise, having earned more than $350 million in his career so far. We do not know about a chess connection (except that he has said that "boxing is more like chess" on a MSNBC talkshow) and assume that he appeared in this Colbert show cameo as a tongue-in-cheek jest. Jump forward to 2 min 25 sec to get to the chess bit:
For the record – and for your pleasure – here is the memorable April 2012 appearance of Magnus Carlsen on the Colbert Report (a full ChessBase report is here):
And if you are looking (and have the nerves) for something bizarre here is Floyd Mayweather doing a Wrestlemania mega-show. Youtube has more in this vein.