Problem Display
PID: 64932 (k7/1bQp4/2n5/p1BN4/8/6K1/8/8 w - - 0 1)

Kopyl, Valery Volodimirovich

The Problemist, 2006

k7/1bQp4/2n5/p1BN4/8/6K1/8/8

#4

4 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Se7!
      • threat
        • 2.Sxc6
          • threat
            • 3.Qb8#
          • 2...dxc6
            • 3.Qd8+
              • 3...Bc8
                • 4.Qxc8#
      • 1...Sxe7
        • 2.Qxa5+
          • 2...Kb8
            • 3.Bd6+
              • 3...Kc8
                • 4.Qc7#
          • 2...Ba6
            • 3.Qxa6+
              • 3...Kb8
                • 4.Bd6#
      • 1...Sa7
        • 2.Bd6
          • threat
            • 3.Qb8#
          • 2...Sc6
            • 3.Sxc6
              • threat
                • 4.Qb8#
      • 1...Sb8
        • 2.Qb6
          • threat
            • 3.Qa7#
          • 2...Sc6
            • 3.Sxc6
              • threat
                • 4.Qa7#

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).