Problem Display
PID: 199601 (1b3n1r/pK2p1NB/3p2R1/3kpr2/PQ3P2/1pP5/1P3p2/5nq1 w - - 0 1)

Gamnitzer, Camillo

The Problemist, 1982

1b3n1r/pK2p1NB/3p2R1/3kpr2/PQ3P2/1pP5/1P3p2/5nq1

#5

9 + 13


SOLUTION


  • SOUND
  • Keys
    • 1.Ka6!
      • threat
        • 2.Qb7+
          • 2...Kc4
            • 3.Qb5#
          • 2...Kc5
            • 3.Qb5#
      • 1...exf4
        • 2.Kb7
          • threat
            • 3.Qd4#
          • 2...Se6
            • 3.Rxe6
              • threat
                • 4.Qd4#
                • 4.Qb5#
              • 3...Qxg7
                • 4.Qxb3+
                  • 4...Kc5
                    • 5.Qb5#
                • 4.Qe4+
                  • 4...Kc5
                    • 5.Qc6#
                • 4.Qb5+
                  • 4...Kxe6
                    • 5.Qxf5#
          • 2...e5
            • 3.Ka6
              • threat
                • 4.Qb7+
                  • 4...Kc4
                    • 5.Qb5#
                  • 4...Kc5
                    • 5.Qb5#
              • 3...Kc6
                • 4.Qb7+
                  • 4...Kc5
                    • 5.Qb5#
              • 3...Rf7
                • 4.Rxd6+
                  • 4...Bxd6
                    • 5.Be4#

FEATURES


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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).