Problem Display
PID: 257799 (2N5/3kBN2/3P4/8/8/1R3K2/8/8 w - - 0 1)

Sigurov, Aleksandr Ilich

Zadachi i Etyudi, 2007

2N5/3kBN2/3P4/8/8/1R3K2/8/8

#4

6 + 1


SOLUTION


  • SOUND
  • Keys
    • 1.Ke4!
      • 1...Ke6
        • 2.Sd8+
          • 2...Kd7
            • 3.Rb7+
              • 3...Kxc8
                • 4.d7#
              • 3...Ke8
                • 4.d7#
      • 1...Kxc8
        • 2.d7+
          • 2...Kc7
            • 3.d8Q+
              • 3...Kc6
                • 4.Se5#
                • 4.Rb6#
                • 4.Qd6#
                • 4.Qc8#
          • 2...Kxd7
            • 3.Rb7+
              • 3...Kc6
                • 4.Sd8#
              • 3...Ke6
                • 4.Sg5#
                • 4.Sd8#
              • 3...Kc8
                • 4.Sd6#
              • 3...Ke8
                • 4.Sd6#
      • 1...Ke8
        • 2.Sd8
          • 2...Kd7
            • 3.Rb7+
              • 3...Kxc8
                • 4.d7#
              • 3...Ke8
                • 4.d7#

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).