Problem Display
PID: 33882 (k6n/1R6/2K5/8/8/5p2/8/n6b w - - 0 1)

Kok, Theodorus Cornelis Louis

De Probleemvriend, 1944

k6n/1R6/2K5/8/8/5p2/8/n6b

#5

2 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Kc7!
      • threat
        • 2.Rb2
          • threat
            • 3.Ra2#
          • 2...Sc2
            • 3.Ra2+
              • 3...Sa3
                • 4.Rxa3#
            • 3.Rxc2
              • threat
                • 4.Ra2#
              • 3...Ka7
                • 4.Ra2#
          • 2...Sb3
            • 3.Ra2+
              • 3...Sa5
                • 4.Rxa5#
            • 3.Rxb3
              • threat
                • 4.Ra3#
              • 3...Ka7
                • 4.Ra3#
        • 2.Rb4
          • threat
            • 3.Ra4#
          • 2...Sb3
            • 3.Ra4+
              • 3...Sa5
                • 4.Rxa5#
            • 3.Rxb3
              • threat
                • 4.Ra3#
              • 3...Ka7
                • 4.Ra3#
        • 2.Rb5
          • threat
            • 3.Ra5#
          • 2...Sb3
            • 3.Rxb3
              • threat
                • 4.Ra3#
              • 3...Ka7
                • 4.Ra3#
      • 1...f2
        • 2.Rb5
          • threat
            • 3.Ra5#
          • 2...Sb3
            • 3.Rxb3
              • threat
                • 4.Ra3#
              • 3...f1Q
                • 4.Ra3+
                  • 4...Qa6
                    • 5.Rxa6#
              • 3...f1B
                • 4.Ra3+
                  • 4...Ba6
                    • 5.Rxa6#
              • 3...Bc6
                • 4.Ra3+
                  • 4...Ba4
                    • 5.Rxa4#
              • 3...Bb7
                • 4.Ra3+
                  • 4...Ba6
                    • 5.Rxa6#

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).