Problem Display
PID: 267728 (8/3p4/5p2/8/4kNQ1/8/3P4/1K3B2 w - - 0 1)

Dowd, Steven B

Problemist Ukraini, 2022

8/3p4/5p2/8/4kNQ1/8/3P4/1K3B2

#4

5 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Bh3!
      • threat
        • 2.Sd3+
          • 2...Kxd3
            • 3.Kc1
              • threat
                • 4.Bf1#
          • 2...Kd5
            • 3.Qxd7+
              • 3...Kc4
                • 4.Be6#
              • 3...Ke4
                • 4.Bg2#
        • 2.Qf5+
          • 2...Kf3
            • 3.Qd3+
              • 3...Kf2
                • 4.Qe3#
              • 3...Kxf4
                • 4.Qe3#
      • 1...Kd4
        • 2.Sd3+
          • 2...Kxd3
            • 3.Kc1
              • threat
                • 4.Bf1#
          • 2...Kd5
            • 3.Qxd7+
              • 3...Kc4
                • 4.Be6#
              • 3...Ke4
                • 4.Bg2#
      • 1...Ke5
        • 2.Sd3+
          • 2...Kd5
            • 3.Qxd7+
              • 3...Kc4
                • 4.Be6#
              • 3...Ke4
                • 4.Bg2#
      • 1...f5
        • 2.Qxf5+
          • 2...Kf3
            • 3.Qd3+
              • 3...Kf2
                • 4.Qe3#
              • 3...Kxf4
                • 4.Qe3#

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).