Problem Display
PID: 228175 (8/8/2ppp3/2pQp2B/P1ppp3/3k4/3P4/1K3N2 w - - 0 1)

Keller, Kurt

The Problemist, 2020

8/8/2ppp3/2pQp2B/P1ppp3/3k4/3P4/1K3N2

#5

6 + 9


  • SOUND
  • Keys
    • 1.Sg3!
      • threat
        • 2.Kc1
          • threat
            • 3.Be2#
            • 3.Qxe4#
      • 1...Kxd2
        • 2.Qxc4
          • threat
            • 3.Sf1+
              • 3...Ke1
                • 4.Qe2#
            • 3.Qc1+
              • 3...Kd3
                • 4.Be2#
          • 2...Ke3
            • 3.Qe2+
              • 3...Kf4
                • 4.Sxe4
                  • threat
                    • 5.Qf3#
                  • 4...Kf5
                    • 5.Qf3#
                    • 5.Qg4#


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).