Problem Display
PID: 211721 (8/8/8/4N1Q1/4k3/8/8/4K3 w - - 0 1)

van Rey, Loek

The Problemist, 1986

8/8/8/4N1Q1/4k3/8/8/4K3

#5

3 + 1


3713 Snap 2022

SOLUTION


  • SOUND
  • Keys
    • 1.Sf3!
      • 1...Kd3
        • 2.Qc5
          • 2...Ke4
            • 3.Ke2
              • 3...Kf4
                • 4.Qg5+
                  • 4...Ke4
                    • 5.Qe5#
      • 1...Kxf3
        • 2.Qe5
          • 2...Kg2
            • 3.Qe3
              • 3...Kh1
                • 4.Kf2
                  • 4...Kh2
                    • 5.Qh6#
              • 3...Kh2
                • 4.Kf1
                  • 4...Kh1
                    • 5.Qg1#
                    • 5.Qh6#
                    • 5.Qh3#
                • 4.Kf2
                  • 4...Kh1
                    • 5.Qh6#
                    • 5.Qh3#
          • 2...Kg4
            • 3.Kf2
              • 3...Kh4
                • 4.Kf3
                  • 4...Kh3
                    • 5.Qg3#
                    • 5.Qh8#
                    • 5.Qh5#

This anticipates 264770(1996)

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).