Good Morning Puzzlers, This problem is from Larry Evans' book "Chess: Beginner to Expert" available on tape from your NLS library. Note the book uses descriptive notation not algebraic. Problem 24: 2r5/ k4p2/ p3p1p1/ 1p1pP2p/ 3P1P1P/ bP3QP1/ P7/ KNrN4 Points 4 Black mates in two.