Problem Display
PID: 258659 (6K1/6P1/3p4/1pP2QP1/3kp3/P7/3PB3/7n w - - 0 1)

Dowd, Steven B

Prentos, Kostas

Problemist Ukraini, 2022

6K1/6P1/3p4/1pP2QP1/3kp3/P7/3PB3/7n

#4

8 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qxd6#
      • 1...Kxc5
        • 2.Qxb5+
          • 2...Kd4
            • 3.Bc4
              • threat
                • 4.Qd5#
              • 3...d5
                • 4.Qxd5#
      • 1...e3
        • 2.Qxd6+
          • 2...Ke4
            • 3.d3+
              • 3...Kf5
                • 4.Qf6#
      • 1...d5
        • 2.Qf7
          • 2...Kxc5
            • 3.Qc7+
              • 3...Kd4
                • 4.Qc3#
          • 2...e3
            • 3.Qf6+
              • 3...Ke4
                • 4.d3#
              • 3...Kxc5
                • 4.d4#
          • 2...Sf2
            • 3.Qxf2+
              • 3...Ke5
                • 4.Qf6#
              • 3...e3
                • 4.Qxe3#
          • 2...Sg3
            • 3.Qf2+
              • 3...Ke5
                • 4.Qf6#
              • 3...e3
                • 4.Qxe3#
          • 2...b4
            • 3.axb4
              • threat
                • 4.Qf6#
              • 3...Ke5
                • 4.Qf6#
              • 3...e3
                • 4.Qf4#

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).