Problem Display
PID: 223641 (6qr/3N2Q1/4P3/2n3P1/4P1k1/5p2/5P1P/2B3KR w - - 0 1)

Anonymous

English Mechanic and World of Science, 1877

(First published on Fri Jun 22 1877)

6qr/3N2Q1/4P3/2n3P1/4P1k1/5p2/5P1P/2B3KR

#4

10 + 5


15239 Valois Notebooks 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Sf6+!
      • 1...Kh3
        • 2.Qc7
          • threat
            • 3.Qg3#
          • 2...Qxg5+
            • 3.Qg3+
              • 3...Qxg3+
                • 4.hxg3#
          • 2...Sxe4
            • 3.Qg3+
              • 3...Sxg3
                • 4.hxg3#
          • 2...Qb8
            • 3.Qg3+
              • 3...Qxg3+
                • 4.hxg3#
      • 1...Kh4
        • 2.Qc7
          • threat
            • 3.Qg3#
          • 2...Qxg5+
            • 3.Qg3+
              • 3...Qxg3+
                • 4.hxg3#
          • 2...Sxe4
            • 3.Qg3+
              • 3...Sxg3
                • 4.hxg3#
            • 3.Qf4+
              • 3...Kh3
                • 4.Qg4#
          • 2...Qb8
            • 3.Qg3+
              • 3...Qxg3+
                • 4.hxg3#

FEATURES


NOT CLASSIFIED


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).