Problem Display
PID: 254937 (2N5/Pk6/7N/8/B7/8/8/1K6 w - - 0 1)

Sigurov, Aleksandr Ilich

Zadachi i Etyudi, 2006

2N5/Pk6/7N/8/B7/8/8/1K6

#4

5 + 1


SOLUTION


  • SOUND
  • Keys
    • 1.Sf7!
      • threat
        • 2.Sfd6+
          • 2...Kc7
            • 3.a8Q
              • 3...Kd8
                • 4.Qa5#
      • 1...Kc7
        • 2.Sfd6
          • 2...Kd8
            • 3.Se8
              • 3...Kxc8
                • 4.a8Q#
      • 1...Kxc8
        • 2.a8Q+
          • 2...Kc7
            • 3.Qa7+
              • 3...Kc8
                • 4.Bd7#

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).