Problem Display
PID: 211111 (7K/8/2Q5/4k3/3p1p2/1p2P3/1p6/1B6 w - - 0 1)

Keller, Kurt

The Problemist, 2019

7K/8/2Q5/4k3/3p1p2/1p2P3/1p6/1B6

#5

4 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Qc7+!
      • 1...Kd5
        • 2.e4+
          • 2...Ke6
            • 3.Kg7
              • threat
                • 4.Bd3
                  • threat
                    • 5.Bc4#
              • 3...d3
                • 4.Bxd3
                  • threat
                    • 5.Bc4#
      • 1...Ke6
        • 2.exd4
          • threat
            • 3.Kg7
              • threat
                • 4.Be4
                  • threat
                    • 5.d5#
              • 3...Kd5
                • 4.Qc5+
                  • 4...Ke6
                    • 5.Bf5#
          • 2...Kd5
            • 3.Qb6
              • threat
                • 4.Bf5
                  • threat
                    • 5.Qc5#
                  • 4...Kc4
                    • 5.Qc5#
          • 2...Kf6
            • 3.Qe5+
              • 3...Kf7
                • 4.Qd6
                  • threat
                    • 5.Bg6#
                  • 4...Ke8
                    • 5.Bg6#
      • 1...Kf6
        • 2.Qd6+
          • 2...Kg5
            • 3.Qg6+
              • 3...Kh4
                • 4.Bf5
                  • threat
                    • 5.Qg4#

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).