Problem Display
PID: 217933 (1R6/8/8/8/k1P5/3N4/8/7K w - - 0 1)

Kotov, Andrei

Magadansky Komsomolets, 1989

1R6/8/8/8/k1P5/3N4/8/7K

#5

4 + 1


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.c5!
      • 1...Ka3
        • 2.c6
          • 2...Ka2
            • 3.c7
              • threat
                • 4.c8Q
                  • threat
                    • 5.Qa6#
                  • 4...Ka1
                    • 5.Qa6#
                  • 4...Ka3
                    • 5.Qa6#
              • 3...Ka1
                • 4.c8Q
                  • 4...Ka2
                    • 5.Qa6#
              • 3...Ka3
                • 4.c8Q
                  • threat
                    • 5.Qa6#
                  • 4...Ka2
                    • 5.Qa6#
                  • 4...Ka4
                    • 5.Qa6#
          • 2...Ka4
            • 3.c7
              • 3...Ka3
                • 4.c8Q
                  • threat
                    • 5.Qa6#
                  • 4...Ka2
                    • 5.Qa6#
                  • 4...Ka4
                    • 5.Qa6#
              • 3...Ka5
                • 4.c8Q
                  • 4...Ka4
                    • 5.Qa6#
      • 1...Ka5
        • 2.Rb4
          • 2...Ka6
            • 3.Se5
              • 3...Ka5
                • 4.Sc6+
                  • 4...Ka6
                    • 5.Rb6#
              • 3...Ka7
                • 4.Sc6+
                  • 4...Ka6
                    • 5.Rb6#
                  • 4...Ka8
                    • 5.Rb8#

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).