Problem Display
PID: 208918 (4N2n/2N5/1p6/2P1k3/6Q1/3p4/3p4/4n2K w - - 0 1)

Gibbins, Norman Martin

The Observer, 1920

(First published on Sun Feb 1 1920)

4N2n/2N5/1p6/2P1k3/6Q1/3p4/3p4/4n2K

#3

5 + 6


15239 Valois Notebooks 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Sf6?
      • threat
        • 2.Sd7#
      • 1...bxc5
        • 2.Sce8
          • threat
            • 3.Qe4#
      • 1...Kxf6!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Qg5+
          • 2...Kd4
            • 3.Scb5#
      • 1...Kf6
        • 2.Sd5+
          • 2...Ke5
            • 3.Qe4#
      • 1...bxc5
        • 2.Sce8
          • threat
            • 3.Qe4#
          • 2...Kd5
            • 3.Qe4#
      • 1...Sf3
        • 2.Qg7+
          • 2...Kf4
            • 3.Sd5#
      • 1...Sf7
        • 2.Sc4+
          • 2...Kf6
            • 3.Sd5#
      • 1...b5
        • 2.Qg5+
          • 2...Kd4
            • 3.Scxb5#

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).