Problem Display
PID: 188371 (6n1/4P3/6N1/8/K7/5p2/5p1p/5Bbk w - - 0 1)

Gronroos, Mikael

The Problemist, 1980

6n1/4P3/6N1/8/K7/5p2/5p1p/5Bbk

#4

4 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Ka3!
      • 1...Sxe7
        • 2.Sf4
          • 2...Sd5
            • 3.Sh5
              • threat
                • 4.Sg3#
          • 2...Sf5
            • 3.Sh5
              • 3...Se3
                • 4.Sg3#
              • 3...Sg3
                • 4.Sxg3#
              • 3...Sd4
                • 4.Sg3#
              • 3...Sh4
                • 4.Sg3#
              • 3...Sd6
                • 4.Sg3#
              • 3...Sh6
                • 4.Sg3#
              • 3...Se7
                • 4.Sg3#
              • 3...Sg7
                • 4.Sg3#
          • 2...Sc6
            • 3.Sh5
              • threat
                • 4.Sg3#
          • 2...Sg6
            • 3.Sh5
              • threat
                • 4.Sg3#
          • 2...Sc8
            • 3.Sh5
              • threat
                • 4.Sg3#
          • 2...Sg8
            • 3.Sh5
              • threat
                • 4.Sg3#
      • 1...Sf6
        • 2.Sh4
          • 2...Se4
            • 3.Sf5
              • 3...Sd2
                • 4.Sg3#
              • 3...Sc3
                • 4.Sg3#
              • 3...Sg3
                • 4.Sxg3#
              • 3...Sc5
                • 4.Sg3#
              • 3...Sg5
                • 4.Sg3#
              • 3...Sd6
                • 4.Sg3#
              • 3...Sf6
                • 4.Sg3#
          • 2...Sg4
            • 3.Sf5
              • threat
                • 4.Sg3#
          • 2...Sd5
            • 3.Sf5
              • threat
                • 4.Sg3#
          • 2...Sh5
            • 3.Sf5
              • 3...Sg3
                • 4.Sxg3#
              • 3...Sf4
                • 4.Sg3#
              • 3...Sf6
                • 4.Sg3#
              • 3...Sg7
                • 4.Sg3#
          • 2...Sd7
            • 3.Sf5
              • threat
                • 4.Sg3#
          • 2...Sh7
            • 3.Sf5
              • threat
                • 4.Sg3#
          • 2...Se8
            • 3.Sf5
              • threat
                • 4.Sg3#
          • 2...Sg8
            • 3.Sf5
              • threat
                • 4.Sg3#
      • 1...Sh6
        • 2.Sf4
          • 2...Sg4
            • 3.Sh5
              • threat
                • 4.Sg3#
          • 2...Sf5
            • 3.Sh5
              • 3...Sxe7
                • 4.Sg3#
              • 3...Se3
                • 4.Sg3#
              • 3...Sg3
                • 4.Sxg3#
              • 3...Sd4
                • 4.Sg3#
              • 3...Sh4
                • 4.Sg3#
              • 3...Sd6
                • 4.Sg3#
              • 3...Sh6
                • 4.Sg3#
              • 3...Sg7
                • 4.Sg3#
          • 2...Sf7
            • 3.Sh5
              • threat
                • 4.Sg3#
          • 2...Sg8
            • 3.Sh5
              • threat
                • 4.Sg3#

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).