Problem Display
PID: 274373 (8/8/8/3B4/8/3K4/2N1N3/3k4 w - - 0 1)

Fiedler, Frank

Troll, 2023

(First published on Wed Dec 6 2023)

8/8/8/3B4/8/3K4/2N1N3/3k4

#5

4 + 1


SOLUTION


  • SOUND
  • Keys
    • 1.Sed4!
      • 1...Kc1
        • 2.Kc3
          • threat
            • 3.Sb3+
              • 3...Kb1
                • 4.Bc4
                  • 4...Ka2
                    • 5.Sd2#
                • 4.Be6
                  • 4...Ka2
                    • 5.Sd2#
                • 4.Bf7
                  • 4...Ka2
                    • 5.Sd2#
                • 4.Bg8
                  • 4...Ka2
                    • 5.Sd2#
          • 2...Kd1
            • 3.Be4
              • 3...Kc1
                • 4.Sb3+
                  • 4...Kb1
                    • 5.Sb4#
                  • 4...Kd1
                    • 5.Bf3#

FEATURES


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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).