Problem Display
PID: 225296 (3K4/8/8/8/6p1/8/1Q6/6Nk w - - 0 1)

Beck, Alphonse

Glowworm, 1869

3K4/8/8/8/6p1/8/1Q6/6Nk

#3

3 + 2


6490 yacpdb 2020
5454 Near Snap 2022

SOLUTION


  • SOUND
  • Sets
    • 1...g3
      • 2.Sf3
        • 2...g2
          • 3.Qh8#
  • Tries
    • 1.Kc7?
      • 1...g3
        • 2.Sf3
          • 2...g2
            • 3.Qh8#
      • 1...Kxg1!
    • 1.Kd7?
      • 1...g3
        • 2.Sf3
          • 2...g2
            • 3.Qh8#
      • 1...Kxg1!
    • 1.Ke7?
      • 1...g3
        • 2.Sf3
          • 2...g2
            • 3.Qh8#
      • 1...Kxg1!
    • 1.Kc8?
      • 1...g3
        • 2.Sf3
          • 2...g2
            • 3.Qh8#
      • 1...Kxg1!
    • 1.Ke8?
      • 1...g3
        • 2.Sf3
          • 2...g2
            • 3.Qh8#
      • 1...Kxg1!
    • 1.Sf3?
      • threat
        • 2.Qh2#
      • 1...g3
        • 2.Kc7
          • 2...g2
            • 3.Qh8#
        • 2.Kd7
          • 2...g2
            • 3.Qh8#
        • 2.Ke7
          • 2...g2
            • 3.Qh8#
        • 2.Kc8
          • 2...g2
            • 3.Qh8#
        • 2.Ke8
          • 2...g2
            • 3.Qh8#
        • 2.Se1
          • threat
            • 3.Qg2#
          • 2...Kg1
            • 3.Qg2#
          • 2...g2
            • 3.Qxg2#
        • 2.Sh4
          • threat
            • 3.Qg2#
          • 2...Kg1
            • 3.Qg2#
          • 2...g2
            • 3.Qxg2#
        • 2.Qc2
          • 2...g2
            • 3.Qh7#
        • 2.Qd2
          • 2...g2
            • 3.Qh6#
      • 1...gxf3!
    • 1.Qc2?
      • 1...g3
        • 2.Sf3
          • 2...g2
            • 3.Qh7#
      • 1...Kxg1!
    • 1.Qd2?
      • 1...g3
        • 2.Sf3
          • 2...g2
            • 3.Qh6#
      • 1...Kxg1!
  • Keys
    • 1.Sh3!
      • threat
        • 2.Sf4
          • threat
            • 3.Qg2#
          • 2...Kg1
            • 3.Qg2#
      • 1...gxh3
        • 2.Qf2
          • 2...h2
            • 3.Qf1#
      • 1...g3
        • 2.Sf4
          • threat
            • 3.Qg2#
          • 2...Kg1
            • 3.Qg2#
          • 2...g2
            • 3.Qxg2#

This anticipates 44325(1947)

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).