Problem Display
PID: 156751 (8/6p1/2N5/8/1KP1k3/8/2P5/5Q2 w - - 0 1)

Kopyl, Valery Volodimirovich

The Problemist, 2014

8/6p1/2N5/8/1KP1k3/8/2P5/5Q2

#4

5 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qf5+
          • 2...Ke3
            • 3.Kc3
              • threat
                • 4.Qf3#
      • 1...Ke3
        • 2.Kc3
          • threat
            • 3.Qf3#
          • 2...Ke4
            • 3.Qf5+
              • 3...Ke3
                • 4.Qf3#
      • 1...Ke5
        • 2.Kc5
          • threat
            • 3.Qf5#
          • 2...Ke4
            • 3.Qf3+
              • 3...Ke5
                • 4.Qf5#
          • 2...g6
            • 3.Qf3
              • 3...g5
                • 4.Qf5#
      • 1...g5
        • 2.Qf3+
          • 2...Kxd4
            • 3.Qe2
              • 3...g4
                • 4.c3#
          • 2...Ke5
            • 3.Kc5
              • 3...g4
                • 4.Qf5#
      • 1...g6
        • 2.Qf3+
          • 2...Ke5
            • 3.Kc5
              • 3...g5
                • 4.Qf5#

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).