HYDE PARK — The Checkerboard Lounge has permanently closed its doors after the death of owner L.C. Thurman. Thurman died July 22 after a long battle with illness, and the club he founded in 1972 with guitarist Buddy Guy closed in August. Thurman was a legend on the Chicago blues scene, keeping “the home of the blues” going during good times — like in 1981 when the Rolling Stones jammed there with Muddy Waters when the club was still at its well-known 43rd Street location in