Problem Display
PID: 211835 (8/Q7/4B2k/B7/8/8/n2K4/8 w - - 0 1)

Dehler, Otto Georg Edgar

Welt im Bild, 1927

8/Q7/4B2k/B7/8/8/n2K4/8

#3

4 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Qg7+?
      • 1...Kh5
        • 2.Bd8
          • threat
            • 3.Bg4#
            • 3.Bf7#
            • 3.Qg5#
            • 3.Qh7#
      • 1...Kxg7!
  • Keys
    • 1.Bc7!
      • threat
        • 2.Bf4+
          • 2...Kh5
            • 3.Qh7#
          • 2...Kg6
            • 3.Qf7#
      • 1...Kg5
        • 2.Bf4+
          • 2...Kxf4
            • 3.Qe3#
          • 2...Kh4
            • 3.Qh7#
          • 2...Kh5
            • 3.Qh7#
          • 2...Kf6
            • 3.Qf7#
          • 2...Kg6
            • 3.Qf7#
      • 1...Kh5
        • 2.Bf4
          • threat
            • 3.Qh7#
          • 2...Kh4
            • 3.Qh7#
          • 2...Kg6
            • 3.Qf7#
      • 1...Kg6
        • 2.Bf4
          • threat
            • 3.Qf7#
          • 2...Kh5
            • 3.Qh7#
          • 2...Kf6
            • 3.Qf7#
      • 1...Kg7
        • 2.Bf4+
          • 2...Kf6
            • 3.Qf7#
          • 2...Kg6
            • 3.Qf7#
          • 2...Kf8
            • 3.Qf7#
          • 2...Kh8
            • 3.Be5#
      • 1...Kh7
        • 2.Bf4+
          • 2...Kg6
            • 3.Qf7#
          • 2...Kh8
            • 3.Be5#

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).