Problem Display
PID: 95603 (8/8/8/4pNR1/4k3/R5K1/8/B7 w - - 0 1)

Fleming, David

The Problemist Supplement, 2008

8/8/8/4pNR1/4k3/R5K1/8/B7

#4

5 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Rg6!
      • threat
        • 2.Rd6
          • 2...Kxf5
            • 3.Ra5
              • threat
                • 4.Rxe5#
              • 3...Ke4
                • 4.Rxe5#
              • 3...Kg5
                • 4.Rxe5#
      • 1...Kd5
        • 2.Se3+
          • 2...Kc5
            • 3.Bc3
              • threat
                • 4.Ra5#
              • 3...Kb5
                • 4.Ra5#
      • 1...Kxf5
        • 2.Rd6
          • threat
            • 3.Ra5
              • threat
                • 4.Rxe5#
              • 3...Ke4
                • 4.Rxe5#
              • 3...Kg5
                • 4.Rxe5#
          • 2...Ke4
            • 3.Ra5
              • threat
                • 4.Rxe5#
              • 3...Ke3
                • 4.Rxe5#
              • 3...Kf5
                • 4.Rxe5#
          • 2...Kg5
            • 3.Ra5
              • threat
                • 4.Rxe5#
              • 3...Kf5
                • 4.Rxe5#
              • 3...Kh5
                • 4.Rxe5#

FEATURES


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).