Problem Display
PID: 269827 (6Q1/8/3Pp2P/4pP2/1P2kp2/1K1N4/6pP/6B1 w - - 0 1)

Petrasinovic, Petrasin

Problemskak, 2022

6Q1/8/3Pp2P/4pP2/1P2kp2/1K1N4/6pP/6B1

#4

9 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.f6!
      • 1...Kf3
        • 2.Qg6
          • threat
            • 3.Kc2
              • 3...Ke2
                • 4.Qxg2#
              • 3...e4
                • 4.Qh5#
            • 3.Sc1
              • 3...e4
                • 4.Qh5#
          • 2...Ke2
            • 3.Qxg2+
              • 3...Kd1
                • 4.Qc2#
              • 3...Kxd3
                • 4.Qc2#
      • 1...Kd5
        • 2.Qa8+
          • 2...Kxd6
            • 3.Qb7
              • threat
                • 4.Bc5#
      • 1...Kf5
        • 2.Sc5
          • threat
            • 3.h4
              • threat
                • 4.Qg5#
              • 3...Kxf6
                • 4.Qxe6#
          • 2...Kxf6
            • 3.h4
              • threat
                • 4.Qxe6#
              • 3...Kf5
                • 4.Qxe6#
                • 4.Qg5#
          • 2...f3
            • 3.h4
              • threat
                • 4.Qg5#
              • 3...Kf4
                • 4.Qg5#
              • 3...Kxf6
                • 4.Qxe6#
          • 2...e4
            • 3.h4
              • threat
                • 4.Qg5#
              • 3...Ke5
                • 4.Qxe6#
              • 3...Kxf6
                • 4.Qxe6#
      • 1...f3
        • 2.Qh7+
          • 2...Kd5
            • 3.Qb7+
              • 3...Kxd6
                • 4.Bc5#

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).