Problem Display
PID: 254952 (8/8/2N4p/1K5p/6pN/2p1k3/2Q5/8 w - - 0 1)

Labrinakos, Petros

The Problemist Supplement, 2021

8/8/2N4p/1K5p/6pN/2p1k3/2Q5/8

#4

4 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Se7!
      • 1...Kd4
        • 2.Qe2
          • threat
            • 3.Shf5#
          • 2...c2
            • 3.Kb4
              • threat
                • 4.Shf5#
      • 1...Kf4
        • 2.Qxc3
          • threat
            • 3.Sg2+
              • 3...Ke4
                • 4.Qe3#
              • 3...Kg5
                • 4.Qe5#
                • 4.Qg7#
          • 2...Ke4
            • 3.Sg2
              • threat
                • 4.Qe3#
            • 3.Shf5
              • threat
                • 4.Qe3#
              • 3...Kf4
                • 4.Qe3#
            • 3.Sc6
              • threat
                • 4.Qd4#
              • 3...Kf4
                • 4.Qe5#
              • 3...Kd5
                • 4.Qe5#
          • 2...Kg5
            • 3.Sg2
              • threat
                • 4.Qe5#
                • 4.Qg7#
          • 2...g3
            • 3.Qd4+
              • 3...Kg5
                • 4.Sf3#
      • 1...g3
        • 2.Sd5+
          • 2...Kd4
            • 3.Qf5
              • threat
                • 4.Sf3#

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).