Problem Display
PID: 210875 (2nN1N2/8/3p4/n2k1p2/P7/1P5p/4Q2K/8 w - - 0 1)

Tanner, Eino V

The Observer, 1921

(First published on Sun Jun 26 1921)

2nN1N2/8/3p4/n2k1p2/P7/1P5p/4Q2K/8

#3

6 + 6


15239 Valois Notebooks 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Sc4
      • 2.Qxc4+
        • 2...Ke5
          • 3.Sd7#
    • 1...Sc6
      • 2.Qc4+
        • 2...Ke5
          • 3.Sd7#
    • 1...Sb7
      • 2.Qc4+
        • 2...Ke5
          • 3.Sd7#
  • Tries
    • 1.Sfe6?
      • threat
        • 2.Qd3+
          • 2...Ke5
            • 3.Qd4#
      • 1...Sxb3
        • 2.Sc6
          • threat
            • 3.Sb4#
          • 2...Kxc6
            • 3.Qb5#
      • 1...Sc6
        • 2.Sxc6
          • threat
            • 3.Sb4#
            • 3.Qc4#
          • 2...Kxc6
            • 3.Qb5#
      • 1...f4!
    • 1.Qc4+?
      • 1...Ke5
        • 2.Sd7#
      • 1...Sxc4!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qf3+
          • 2...Kc5
            • 3.Sd7#
      • 1...Kxc6
        • 2.Qb5+
          • 2...Kc7
            • 3.Se6#
      • 1...Sxb3
        • 2.Se6
          • threat
            • 3.Sb4#
          • 2...Kxc6
            • 3.Qb5#
      • 1...Sxc6
        • 2.Qc4+
          • 2...Ke5
            • 3.Sd7#
      • 1...Sb6
        • 2.Qf3+
          • 2...Kc5
            • 3.Se6#

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).