Problem Display
PID: 230994 (8/2P5/2BP3Q/p4P1P/1P6/p2P2Pp/K4Pnp/1R4nk w - - 0 1)

Mostert, Joop

The Problemist, 1988

8/2P5/2BP3Q/p4P1P/1P6/p2P2Pp/K4Pnp/1R4nk

#5

12 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.Qh8!
      • 1...axb4
        • 2.Rxb4
          • 2...Se2
            • 3.Qa1+
              • 3...Sg1
                • 4.Re4
                  • 4...Se1
                    • 5.Rxe1#
                  • 4...Se3
                    • 5.Rxe3#
                  • 4...Sf4
                    • 5.Rxf4#
                  • 4...Sh4
                    • 5.Rxh4#
          • 2...Sf3
            • 3.Qa1+
              • 3...Sge1
                • 4.Bxf3+
                  • 4...Kg1
                    • 5.Qxe1#
              • 3...Sg1
                • 4.Re4
                  • 4...Se1
                    • 5.Rxe1#
                  • 4...Se3
                    • 5.Rxe3#
                  • 4...Sf4
                    • 5.Rxf4#
                  • 4...Sh4
                    • 5.Rxh4#
      • 1...a4
        • 2.Bxa4
          • 2...Se1
            • 3.Qa8+
              • 3...Sg2
                • 4.Bd1
                  • 4...Se2
                    • 5.Bxe2#
                  • 4...Sf3
                    • 5.Bxf3#
              • 3...Sgf3
                • 4.Qxf3+
                  • 4...Kg1
                    • 5.Rxe1#
          • 2...Se3
            • 3.Qa8+
              • 3...Sg2
                • 4.Bd1
                  • 4...Se2
                    • 5.Bxe2#
                  • 4...Sf3
                    • 5.Bxf3#
          • 2...Sf4
            • 3.Qa8+
              • 3...Sg2
                • 4.Bd1
                  • 4...Se2
                    • 5.Bxe2#
                  • 4...Sf3
                    • 5.Bxf3#
          • 2...Sh4
            • 3.Qa8+
              • 3...Sg2
                • 4.Bd1
                  • 4...Se2
                    • 5.Bxe2#
                  • 4...Sf3
                    • 5.Bxf3#

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