Problem Display
PID: 25644 (8/8/5Pp1/7k/8/4Q2K/8/8 w - - 0 1)

Loyd, Sam

Source?, 1871

8/8/5Pp1/7k/8/4Q2K/8/8

#3

3 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Qd4?
      • threat
        • 2.Qh4#
      • 1...Kg5
        • 2.Qf2
          • 2...Kh5
            • 3.Qh4#
          • 2...Kh6
            • 3.Qh4#
      • 1...g5!
    • 1.Qe1?
      • threat
        • 2.Qh4#
      • 1...Kg5
        • 2.Qf2
          • 2...Kh5
            • 3.Qh4#
          • 2...Kh6
            • 3.Qh4#
      • 1...g5!
    • 1.Qe2+?
      • 1...Kg5
        • 2.Qf2
          • 2...Kh5
            • 3.Qh4#
          • 2...Kh6
            • 3.Qh4#
      • 1...Kh6!
    • 1.Qf3+?
      • 1...Kg5
        • 2.Qf2
          • 2...Kh5
            • 3.Qh4#
          • 2...Kh6
            • 3.Qh4#
      • 1...Kh6!
    • 1.Qg3?
      • threat
        • 2.Qh4#
      • 1...Kh6
        • 2.Qh4#
      • 1...g5!
    • 1.Qe4?
      • threat
        • 2.Qh4#
      • 1...Kh6
        • 2.Qh4#
      • 1...g5
        • 2.Qh7#
      • 1...Kg5!
    • 1.Qe7?
      • 1...Kh6
        • 2.Kg4
          • 2...g5
            • 3.Qg7#
      • 1...Kg5!
  • Keys
    • 1.Qa7!
      • 1...Kg5
        • 2.Qf2
          • 2...Kh5
            • 3.Qh4#
          • 2...Kh6
            • 3.Qh4#
      • 1...Kh6
        • 2.Kg4
          • 2...g5
            • 3.Qg7#

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).