Problem Display
PID: 20400 (k3K3/P1P5/8/8/2P5/P7/8/8 w - - 0 1)

Benko, Pal Charles

Sinfonie Scacchistiche, 1976

k3K3/P1P5/8/8/2P5/P7/8/8

#4

5 + 1


SOLUTION


  • SOUND
  • Keys
    • 1.Kd7!
      • threat
        • 2.c8R+
          • 2...Kxa7
            • 3.Kc6
              • 3...Ka6
                • 4.Ra8#
            • 3.Kc7
              • 3...Ka6
                • 4.Ra8#
          • 2...Kb7
            • 3.a8Q+
              • 3...Kb6
                • 4.Rc6#
        • 2.Kc6
          • 2...Kxa7
            • 3.c8R
              • 3...Ka6
                • 4.Ra8#
      • 1...Kxa7
        • 2.Kc6
          • threat
            • 3.c8R
              • 3...Ka6
                • 4.Ra8#
          • 2...Ka6
            • 3.c8Q+
              • 3...Ka5
                • 4.Qa8#
              • 3...Ka7
                • 4.Qb7#
          • 2...Ka8
            • 3.c8Q+
              • 3...Ka7
                • 4.Qb7#
      • 1...Kb7
        • 2.c8R
          • threat
            • 3.a8Q+
              • 3...Kb6
                • 4.Rc6#
          • 2...Ka6
            • 3.a8Q+
              • 3...Kb6
                • 4.Rc6#
          • 2...Kb6
            • 3.a8R
              • 3...Kb7
                • 4.Rcb8#
          • 2...Kxa7
            • 3.Kc6
              • 3...Ka6
                • 4.Ra8#
            • 3.Kc7
              • 3...Ka6
                • 4.Ra8#

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).