Karsten Müller, German chess player and author

Karsten Müller is a German chess Grandmaster and author. He earned the Grandmaster title in 1998 and a PhD in mathematics in 2002 at the University of Hamburg. He had placed third in the 1996 German championship and second in the 1997 German championship.

November 23 is the 327th day of the year in the Gregorian calendar; 38 days remain until the end of the year.