Problem Display
PID: 268948 (4k3/Q3P3/4p3/8/8/4K3/8/8 w - - 0 1)

Matyushin, G

Shakhmatnaya kompozitsiya, 2022

4k3/Q3P3/4p3/8/8/4K3/8/8

#4

3 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Kf4!
      • threat
        • 2.Kg5
          • threat
            • 3.Kf6
              • 3...e5
                • 4.Qa4#
          • 2...Kf7
            • 3.Qd7
              • threat
                • 4.e8Q#
                • 4.e8R#
              • 3...Kg7
                • 4.e8Q#
                • 4.e8R#
              • 3...Kg8
                • 4.e8Q#
                • 4.e8R#
          • 2...e5
            • 3.Kf6
              • 3...e4
                • 4.Qa4#
      • 1...e5+
        • 2.Kg5
          • threat
            • 3.Kf6
              • 3...e4
                • 4.Qa4#
          • 2...Kf7
            • 3.Qd7
              • threat
                • 4.e8Q#
                • 4.e8R#
              • 3...Kg7
                • 4.e8Q#
                • 4.e8R#
              • 3...Kg8
                • 4.e8Q#
                • 4.e8R#
          • 2...e4
            • 3.Kf6
              • 3...e3
                • 4.Qa4#
      • 1...Kf7
        • 2.Kg5
          • threat
            • 3.Qd7
              • threat
                • 4.e8Q#
                • 4.e8R#
              • 3...Kg7
                • 4.e8Q#
                • 4.e8R#
              • 3...Kg8
                • 4.e8Q#
                • 4.e8R#
          • 2...Ke8
            • 3.Kf6
              • 3...e5
                • 4.Qa4#

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).