Problem Display
PID: 180994 (8/8/4R3/3K1kp1/4R3/8/8/8 w - - 0 1)

Hoek, Willem

Probleemblad, 1979

8/8/4R3/3K1kp1/4R3/8/8/8

#5

3 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Kd4!
      • 1...g4
        • 2.Ke3
          • threat
            • 3.R4e5#
          • 2...Kg5
            • 3.Kf2
              • threat
                • 4.Kg3
                  • threat
                    • 5.R4e5#
                  • 4...Kf5
                    • 5.R4e5#
                  • 4...Kh5
                    • 5.R4e5#
              • 3...g3+
                • 4.Kxg3
                  • threat
                    • 5.R4e5#
                  • 4...Kf5
                    • 5.R4e5#
                  • 4...Kh5
                    • 5.R4e5#
              • 3...Kh4
                • 4.R6e5
                  • 4...Kh3
                    • 5.Rh5#
              • 3...Kf5
                • 4.Kg3
                  • 4...Kg5
                    • 5.R4e5#
              • 3...Kh5
                • 4.R4e5+
                  • 4...Kh4
                    • 5.Rh6#
                • 4.Kg3
                  • 4...Kg5
                    • 5.R4e5#
          • 2...g3
            • 3.Kf3
              • threat
                • 4.R4e5#
              • 3...Kg5
                • 4.R4e5+
                  • 4...Kh4
                    • 5.Rh6#
                • 4.Kxg3
                  • threat
                    • 5.R4e5#
                  • 4...Kf5
                    • 5.R4e5#
                  • 4...Kh5
                    • 5.R4e5#

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).