Problem Display
PID: 240941 (n7/5Kn1/3N4/8/1N1k2p1/1P4Q1/4P3/8 w - - 0 1)

Anonymous

Detroit Free Press, 1876

(First published on Sun Jan 9 1876)

n7/5Kn1/3N4/8/1N1k2p1/1P4Q1/4P3/8

#3

6 + 4


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Tries
    • 1.Sc4?
      • threat
        • 2.Qe5#
        • 2.Qe3#
      • 1...Ke4
        • 2.Qe5#
        • 2.Qxg4#
      • 1...Sf5
        • 2.Qe5#
      • 1...Kc5!
    • 1.Sb5+?
      • 1...Ke4
        • 2.Sd3
          • threat
            • 3.Qe5#
          • 2...Kd5
            • 3.Qg2#
          • 2...Kf5
            • 3.Qf4#
            • 3.Qe5#
        • 2.e3
          • threat
            • 3.Sd6#
            • 3.Qf4#
          • 2...Kf5
            • 3.Qf4#
      • 1...Kc5!
    • 1.Qf2+?
      • 1...Ke5
        • 2.Qf6#
      • 1...Kc3!
    • 1.Qg1+?
      • 1...Ke5
        • 2.Qe3+
          • 2...Kxd6
            • 3.Qe7#
      • 1...Kc3!
    • 1.Qd3+?
      • 1...Ke5
        • 2.Qe4+
          • 2...Kxd6
            • 3.Qe7#
        • 2.Qd2
          • threat
            • 3.Sc6#
        • 2.Qe3+
          • 2...Kxd6
            • 3.Qe7#
        • 2.e3
          • threat
            • 3.Sc6#
            • 3.Sc4#
            • 3.Qd4#
            • 3.Qd5#
      • 1...Kc5!
  • Keys
    • 1.Sb7!
      • threat
        • 2.Sc6+
          • 2...Ke4
            • 3.Qe5#
          • 2...Kd5
            • 3.Qg2#
      • 1...Ke4
        • 2.Sc6
          • threat
            • 3.Qe5#
          • 2...Kd5
            • 3.Qg2#
          • 2...Kf5
            • 3.Qe5#
        • 2.e3
          • threat
            • 3.Sd6#
            • 3.Qf4#
          • 2...Kf5
            • 3.Qf4#

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).