Problem Display
PID: 211112 (8/1p4p1/1p6/5RP1/2kpK3/8/5P2/1R6 w - - 0 1)

Paizis, Constantinos

The Problemist, 2019

8/1p4p1/1p6/5RP1/2kpK3/8/5P2/1R6

#5

5 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Rxb6!
      • 1...Kc3
        • 2.Rc5+
          • 2...Kd2
            • 3.Rb2+
              • 3...Kd1
                • 4.Kd3
                  • threat
                    • 5.Rb1#
                  • 4...Ke1
                    • 5.Rc1#
      • 1...d3
        • 2.Ke3
          • threat
            • 3.Kd2
              • threat
                • 4.g6
                  • 4...Kd4
                    • 5.Rb4#
              • 3...g6
                • 4.Ra5
                  • 4...Kd4
                    • 5.Rb4#
            • 3.g6
              • threat
                • 4.Kd2
                  • 4...Kd4
                    • 5.Rb4#
              • 3...d2
                • 4.Kxd2
                  • 4...Kd4
                    • 5.Rb4#
          • 2...d2
            • 3.Kxd2
              • threat
                • 4.g6
                  • 4...Kd4
                    • 5.Rb4#
              • 3...g6
                • 4.Ra5
                  • 4...Kd4
                    • 5.Rb4#
          • 2...g6
            • 3.Ra5
              • threat
                • 4.Kd2
                  • 4...Kd4
                    • 5.Rb4#
              • 3...d2
                • 4.Kxd2
                  • 4...Kd4
                    • 5.Rb4#
      • 1...g6
        • 2.Rfb5
          • 2...Kc3
            • 3.Rb2
              • threat
                • 4.Kd5
                  • threat
                    • 5.R6b3#
                  • 4...Kd3
                    • 5.R6b3#
              • 3...d3
                • 4.Kd5
                  • 4...d2
                    • 5.R6b3#
          • 2...d3
            • 3.Rb2
              • 3...Kc3
                • 4.Kd5
                  • 4...d2
                    • 5.R6b3#
              • 3...Kc5
                • 4.Kxd3
                  • 4...Kd5
                    • 5.R2b5#

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).