Problem Display
PID: 265842 (8/K7/4p3/4k3/4N3/3R3P/7p/7Q w - - 0 1)

Petrasinovic, Petrasin

StrateGems, 2022

8/K7/4p3/4k3/4N3/3R3P/7p/7Q

#4

5 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Re3!
      • 1...Kd4
        • 2.Qc1
          • threat
            • 3.Qc5#
          • 2...Ke5
            • 3.Qc5+
              • 3...Kf4
                • 4.Qg5#
      • 1...Kf4
        • 2.Qf3+
          • 2...Ke5
            • 3.Qh5+
              • 3...Kd4
                • 4.Qc5#
              • 3...Kf4
                • 4.Qg5#
      • 1...Kd5
        • 2.Qd1+
          • 2...Kc4
            • 3.Rb3
              • threat
                • 4.Qd3#
          • 2...Ke5
            • 3.Qh5+
              • 3...Kd4
                • 4.Qc5#
              • 3...Kf4
                • 4.Qg5#
          • 2...Kc6
            • 3.Rb3
              • threat
                • 4.Qd6#
              • 3...Kc7
                • 4.Rc3#
      • 1...Kf5
        • 2.Qg2
          • threat
            • 3.Qg5#
          • 2...Ke5
            • 3.Qg5+
              • 3...Kd4
                • 4.Qc5#

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).