Problem Display
PID: 236905 (k7/8/1K3p2/6n1/1R4p1/8/8/8 w - - 0 1)

Karmil, Ferhat (= Kakabadze, Ferad)

2nd HM., Shakh-M (Borovich), 1989

k7/8/1K3p2/6n1/1R4p1/8/8/8

#5

2 + 4


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Rd4!
      • threat
        • 2.Rd8#
      • 1...Se6
        • 2.Rxg4
          • threat
            • 3.Rg8+
              • 3...Sd8
                • 4.Rxd8#
              • 3...Sf8
                • 4.Rxf8#
          • 2...Sg5
            • 3.Rh4
              • threat
                • 4.Rh8#
              • 3...Se6
                • 4.Rh8+
                  • 4...Sd8
                    • 5.Rxd8#
                  • 4...Sf8
                    • 5.Rxf8#
              • 3...Sf7
                • 4.Kc7
                  • threat
                    • 5.Ra4#
                  • 4...Ka7
                    • 5.Ra4#
              • 3...Sh7
                • 4.Rxh7
                  • threat
                    • 5.Rh8#
                  • 4...Kb8
                    • 5.Rh8#
                • 4.Kc7
                  • threat
                    • 5.Ra4#
                  • 4...Ka7
                    • 5.Ra4#
                • 4.Rd4
                  • threat
                    • 5.Rd8#
                  • 4...Kb8
                    • 5.Rd8#
                • 4.Re4
                  • threat
                    • 5.Re8#
                  • 4...Kb8
                    • 5.Re8#

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).