Problem Display
PID: 78000 (R7/1pk5/1p6/1B2K3/8/8/7p/8 w - - 0 1)

Rezinkin, Valery Ivanovich

Probleemblad, 2007

R7/1pk5/1p6/1B2K3/8/8/7p/8

#5

3 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Rh8!
      • threat
        • 2.Rxh2
          • 2...Kb8
            • 3.Kd6
              • threat
                • 4.Ra2
                  • 4...Kc8
                    • 5.Ra8#
              • 3...Ka7
                • 4.Kc7
                  • 4...Ka8
                    • 5.Ra2#
              • 3...Ka8
                • 4.Kc7
                  • 4...Ka7
                    • 5.Ra2#
          • 2...Kc8
            • 3.Kd6
              • threat
                • 4.Rh8#
              • 3...Kb8
                • 4.Ra2
                  • 4...Kc8
                    • 5.Ra8#
      • 1...h1Q
        • 2.Rxh1
          • 2...Kb8
            • 3.Kd6
              • threat
                • 4.Ra1
                  • 4...Kc8
                    • 5.Ra8#
              • 3...Ka7
                • 4.Kc7
                  • 4...Ka8
                    • 5.Ra1#
              • 3...Ka8
                • 4.Kc7
                  • 4...Ka7
                    • 5.Ra1#
          • 2...Kc8
            • 3.Kd6
              • threat
                • 4.Rh8#
              • 3...Kb8
                • 4.Ra1
                  • 4...Kc8
                    • 5.Ra8#
      • 1...h1S
        • 2.Rxh1
          • 2...Kb8
            • 3.Kd6
              • threat
                • 4.Ra1
                  • 4...Kc8
                    • 5.Ra8#
              • 3...Ka7
                • 4.Kc7
                  • 4...Ka8
                    • 5.Ra1#
              • 3...Ka8
                • 4.Kc7
                  • 4...Ka7
                    • 5.Ra1#
          • 2...Kc8
            • 3.Kd6
              • threat
                • 4.Rh8#
              • 3...Kb8
                • 4.Ra1
                  • 4...Kc8
                    • 5.Ra8#
      • 1...h1B
        • 2.Rxh1
          • 2...Kb8
            • 3.Kd6
              • threat
                • 4.Ra1
                  • 4...Kc8
                    • 5.Ra8#
              • 3...Ka7
                • 4.Kc7
                  • 4...Ka8
                    • 5.Ra1#
              • 3...Ka8
                • 4.Kc7
                  • 4...Ka7
                    • 5.Ra1#
          • 2...Kc8
            • 3.Kd6
              • threat
                • 4.Rh8#
              • 3...Kb8
                • 4.Ra1
                  • 4...Kc8
                    • 5.Ra8#
      • 1...h1R
        • 2.Rxh1
          • 2...Kb8
            • 3.Kd6
              • threat
                • 4.Ra1
                  • 4...Kc8
                    • 5.Ra8#
              • 3...Ka7
                • 4.Kc7
                  • 4...Ka8
                    • 5.Ra1#
              • 3...Ka8
                • 4.Kc7
                  • 4...Ka7
                    • 5.Ra1#
          • 2...Kc8
            • 3.Kd6
              • threat
                • 4.Rh8#
              • 3...Kb8
                • 4.Ra1
                  • 4...Kc8
                    • 5.Ra8#

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).