THAT'S CUTE - YOUR QUOTING DVORETSKY'S ENDGAME MANUAL LIKE YOU ARE AN EXPERT. GREAT BOOK, BUT IT WON'T HELP YOU IN A BISHOP+ROOK+2 PAWNS VS KNIGHT+ROOK+PAWN ENDGAME WITH 3 MINUTES LEFT ON YOUR CLOCK. YOU WANT TO LEARN? PLAY OTB AND FIGURE IT OUT - BECAUSE OUT THERE, IT'S NOT ABOUT WHAT YOU READ; IT'S ABOUT WHAT YOU CAN DO UNDER TIME PRESSURE.