Problem Display
PID: 270173 (8/8/7p/2PPP2p/2PQP3/1KPPP2N/4k1p1/6Rb w - - 0 1)

Keller, Kurt

Probleemblad, 2020

8/8/7p/2PPP2p/2PQP3/1KPPP2N/4k1p1/6Rb

#5

12 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.e6!
      • threat
        • 2.Qf6
          • threat
            • 3.Kc2
              • threat
                • 4.Qf2#
              • 3...Kxe3
                • 4.Re1#
                • 4.Qf2#
          • 2...Kd2
            • 3.Qf3
              • threat
                • 4.Rd1#
              • 3...Kxd3
                • 4.Rd1#
          • 2...Kxd3
            • 3.Qf3
              • threat
                • 4.Rd1#
              • 3...Kd2
                • 4.Rd1#
          • 2...Kxe3
            • 3.Kc2
              • threat
                • 4.Re1#
                • 4.Qf2#
              • 3...Ke2
                • 4.Qf2#
      • 1...Kf3
        • 2.Qf6+
          • 2...Kg3
            • 3.Sf2
              • threat
                • 4.Qf4#
              • 3...Kh2
                • 4.Qf4+
                  • 4...Kxg1
                    • 5.Sh3#

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).