Problem Display
PID: 80042 (4B3/3Pp3/4kP2/8/4K3/8/8/8 w - - 0 1)

Azhusin, Aleksandr Aleksandrovich

Yunyi Leninets, 1971

4B3/3Pp3/4kP2/8/4K3/8/8/8

#3

4 + 2


SOLUTION


  • SOUND
  • Sets
    • 1...Kd6
      • 2.d8Q+
        • 2...Kc5
          • 3.Qd4#
        • 2...Ke6
          • 3.Qb6#
          • 3.Qxe7#
  • Tries
    • 1.d8Q?
      • threat
        • 2.Qb6#
        • 2.Qxe7#
      • 1...exf6
        • 2.Qd7#
      • 1...Kxf6!
  • Keys
    • 1.f7!
      • 1...Kd6
        • 2.d8Q+
          • 2...Kc5
            • 3.Qd4#
          • 2...Ke6
            • 3.Qb6#
      • 1...Kf6
        • 2.f8Q+
          • 2...Kg5
            • 3.Qf4#
          • 2...Ke6
            • 3.Qh6#

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).