Problem Display
PID: 29023 (8/K2BQ2b/p3P3/r1p1kp2/4pN2/4P1n1/4pP2/8 w - - 0 1)

Bull, Cecil Alfred Lucas

Natal Mercury, 1915

8/K2BQ2b/p3P3/r1p1kp2/4pN2/4P1n1/4pP2/8

#4

7 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Be8!
      • threat
        • 2.Qc7+
          • 2...Kf6
            • 3.Sd5+
              • 3...Kg5
                • 4.Qf4#
              • 3...Kxe6
                • 4.Bf7#
      • 1...Bg6
        • 2.Bc6
          • threat
            • 3.Sxg6#
          • 2...Bh5
            • 3.Sd3+
              • 3...exd3
                • 4.f4#
          • 2...Bh7
            • 3.Sd3+
              • 3...exd3
                • 4.f4#
          • 2...Be8
            • 3.Sd3+
              • 3...exd3
                • 4.f4#
      • 1...Bg8
        • 2.Bc6
          • threat
            • 3.Sg6#
          • 2...Bh7
            • 3.Sd3+
              • 3...exd3
                • 4.f4#
      • 1...Sf1
        • 2.Qc7+
          • 2...Kf6
            • 3.Sd5+
              • 3...Kg5
                • 4.Qf4#
              • 3...Kxe6
                • 4.Bf7#
            • 3.Sh5+
              • 3...Kg5
                • 4.Qf4#
              • 3...Kxe6
                • 4.Bf7#
      • 1...Sh1
        • 2.Qc7+
          • 2...Kf6
            • 3.Sd5+
              • 3...Kg5
                • 4.Qf4#
              • 3...Kxe6
                • 4.Bf7#
            • 3.Sh5+
              • 3...Kg5
                • 4.Qf4#
              • 3...Kxe6
                • 4.Bf7#
      • 1...Sh5
        • 2.Qc7+
          • 2...Kf6
            • 3.Sxh5+
              • 3...Kg5
                • 4.Qf4#
              • 3...Kxe6
                • 4.Bf7#
      • 1...c4
        • 2.Qg7+
          • 2...Kd6
            • 3.Qd7+
              • 3...Kc5
                • 4.Qe7#
              • 3...Ke5
                • 4.Qd4#

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).