Problem Display
PID: 221526 (8/R7/3pkp2/8/4K3/2p3p1/8/4Q3 w - - 0 1)

Fothergill, Percival Guy Laugham (PGLF)

The Problemist, 1944

8/R7/3pkp2/8/4K3/2p3p1/8/4Q3

#3

3 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...c2
      • 2.Qa5
        • threat
          • 3.Qd5#
          • 3.Qf5#
        • 2...d5+
          • 3.Qxd5#
        • 2...f5+
          • 3.Qxf5#
  • Tries
    • 1.Rc7?
      • threat
        • 2.Kf4+
          • 2...Kd5
            • 3.Qe4#
      • 1...d5+
        • 2.Kf4+
          • 2...Kd6
            • 3.Qe7#
      • 1...f5+!
    • 1.Rg7?
      • threat
        • 2.Kd4+
          • 2...Kf5
            • 3.Qe4#
      • 1...f5+
        • 2.Kd4+
          • 2...Kf6
            • 3.Qe7#
      • 1...d5+!
    • 1.Qd1?
      • threat
        • 2.Qd5#
      • 1...d5+
        • 2.Qxd5#
      • 1...f5+!
    • 1.Qf1?
      • threat
        • 2.Qf5#
      • 1...f5+
        • 2.Qxf5#
      • 1...d5+!
  • Keys
    • 1.Qe3!
      • 1...d5+
        • 2.Kf4+
          • 2...Kd6
            • 3.Qb6#
      • 1...f5+
        • 2.Kd4+
          • 2...Kf6
            • 3.Qh6#
      • 1...c2
        • 2.Qb3+
          • 2...d5+
            • 3.Qxd5#
      • 1...g2
        • 2.Qh3+
          • 2...f5+
            • 3.Qxf5#

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).