Problem Display
PID: 206181 (1B6/8/4N3/2pk4/6Qp/8/7K/8 w - - 0 1)

van Rey, Loek

Probleemblad, 2018

1B6/8/4N3/2pk4/6Qp/8/7K/8

#5

4 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Qe2!
      • threat
        • 2.Sc7+
          • 2...Kd4
            • 3.Sb5+
              • 3...Kd5
                • 4.Sc3+
                  • 4...Kd4
                    • 5.Be5#
                  • 4...Kc6
                    • 5.Qb5#
          • 2...Kc6
            • 3.Qa6+
              • 3...Kd7
                • 4.Qe6+
                  • 4...Kd8
                    • 5.Qe8#
      • 1...Kc6
        • 2.Qa6+
          • 2...Kd7
            • 3.Sg5
              • threat
                • 4.Qe6+
                  • 4...Kd8
                    • 5.Sf7#
              • 3...Ke7
                • 4.Qe6+
                  • 4...Kd8
                    • 5.Sf7#
                  • 4...Kf8
                    • 5.Qf7#
              • 3...Kd8
                • 4.Qe6
                  • threat
                    • 5.Sf7#
              • 3...Ke8
                • 4.Qe6+
                  • 4...Kd8
                    • 5.Sf7#
                  • 4...Kf8
                    • 5.Qf7#
      • 1...c4
        • 2.Qe5+
          • 2...Kc6
            • 3.Sd4+
              • 3...Kb7
                • 4.Qc7+
                  • 4...Ka6
                    • 5.Qa7#
                  • 4...Ka8
                    • 5.Qa7#
              • 3...Kd7
                • 4.Qe6+
                  • 4...Kd8
                    • 5.Sc6#

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).