Problem Display
PID: 210543 (8/n3B3/3N2p1/4kP2/1P1rB3/2Q2b2/8/5nK1 w - - 0 1)

Williams, Philip Hamilton

The Observer, 1921

(First published on Sun Feb 20 1921)

8/n3B3/3N2p1/4kP2/1P1rB3/2Q2b2/8/5nK1

#3

7 + 6


15239 Valois Notebooks 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qxf3+
        • 2...Ke5
          • 3.Sf7#
  • Tries
    • 1.Sc4+?
      • 1...Kf4
        • 2.Qxf3#
      • 1...Kxe4!
    • 1.Sf7+?
      • 1...Kf4
        • 2.Qxf3#
      • 1...Kxe4!
    • 1.Bf6+?
      • 1...Kxd6
        • 2.Qxd4+
          • 2...Kc7
            • 3.Qd8#
      • 1...Kxf6!
  • Keys
    • 1.Bg5!
      • threat
        • 2.Qc5+
          • 2...Rd5
            • 3.Qxd5#
      • 1...Kxd6
        • 2.Qxd4+
          • 2...Kc7
            • 3.Qd8#
      • 1...Bxe4
        • 2.Sf7+
          • 2...Kd5
            • 3.Qc5#
          • 2...Kxf5
            • 3.Qh3#
      • 1...gxf5
        • 2.Qc5+
          • 2...Ke6
            • 3.Bxf5#
          • 2...Rd5
            • 3.Qxd5#
      • 1...Se3
        • 2.Qxd4+
          • 2...Kxd4
            • 3.Bf6#

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).