Problem Display
PID: 65182 (4K3/5P1k/8/8/7N/8/8/8 w - - 0 1)

Grupen, Claus

Problem Observer, 2006

4K3/5P1k/8/8/7N/8/8/8

#5

3 + 1


3713 Snap 2007
  • SOUND
  • Keys
    • 1.f8B!
      • threat
        • 2.Kf7
          • 2...Kh8
            • 3.Sf3
              • 3...Kh7
                • 4.Sg5+
                  • 4...Kh8
                    • 5.Bg7#
      • 1...Kg8
        • 2.Sf3
          • 2...Kh7
            • 3.Kf7
              • 3...Kh8
                • 4.Bg7+
                  • 4...Kh7
                    • 5.Sg5#
          • 2...Kh8
            • 3.Kf7
              • 3...Kh7
                • 4.Sg5+
                  • 4...Kh8
                    • 5.Bg7#
      • 1...Kh8
        • 2.Kf7
          • 2...Kh7
            • 3.Sf3
              • 3...Kh8
                • 4.Bg7+
                  • 4...Kh7
                    • 5.Sg5#

Anticipated by 28263(1918)



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).