Problem Display
PID: 208666 (2Q3K1/8/8/2pkN3/3pp3/1R1p4/8/8 w - - 0 1)

Drew, Francis R

Illustrated London News, 1848

2Q3K1/8/8/2pkN3/3pp3/1R1p4/8/8

#3

4 + 5


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...c4
      • 2.Rb5+
        • 2...Kd6
          • 3.Qd7#
  • Tries
    • 1.Sg4?
      • threat
        • 2.Qd7+
          • 2...Kc4
            • 3.Qe6#
            • 3.Qf7#
      • 1...Kd6
        • 2.Rb6+
          • 2...Kd5
            • 3.Qe6#
          • 2...Ke7
            • 3.Re6#
      • 1...c4
        • 2.Rb6
          • threat
            • 3.Qf5#
            • 3.Qc6#
        • 2.Qd7+
          • 2...Kc5
            • 3.Rb5#
      • 1...e3!
    • 1.Sg6?
      • threat
        • 2.Qd7+
          • 2...Kc4
            • 3.Qe6#
            • 3.Qf7#
      • 1...Kd6
        • 2.Rb6+
          • 2...Kd5
            • 3.Qe6#
      • 1...c4
        • 2.Rb6
          • threat
            • 3.Qf5#
            • 3.Qc6#
        • 2.Qd7+
          • 2...Kc5
            • 3.Rb5#
      • 1...e3!
    • 1.Qd8+?
      • 1...Ke6
        • 2.Rb6+
          • 2...Kxe5
            • 3.Qg5#
          • 2...Kf5
            • 3.Qf6#
      • 1...Kxe5!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Kf7
          • threat
            • 3.Qe6#
          • 2...Kxc4
            • 3.Qe6#
        • 2.Qb7+
          • 2...Kxc4
            • 3.Qf7#
          • 2...Ke6
            • 3.Qf7#
        • 2.Qd7+
          • 2...Kxc4
            • 3.Qe6#
            • 3.Qf7#
      • 1...e3
        • 2.Qb7+
          • 2...Kxc4
            • 3.Qf7#
          • 2...Ke6
            • 3.Qf7#
      • 1...d2
        • 2.Qb7+
          • 2...Kxc4
            • 3.Qf7#
          • 2...Ke6
            • 3.Qf7#
        • 2.Qd7+
          • 2...Kxc4
            • 3.Qe6#
            • 3.Qf7#

FEATURES


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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).