Problem Display
PID: 269826 (3Q4/4p3/2P1p3/2P1p3/4kp2/N2N3P/7P/K5B1 w - - 0 1)

Petrasinovic, Petrasin

Probleemblad, 2022

3Q4/4p3/2P1p3/2P1p3/4kp2/N2N3P/7P/K5B1

#4

9 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Qg8!
      • threat
        • 2.Qg6+
          • 2...Kf3
            • 3.Sc1
              • 3...e4
                • 4.Qg4#
      • 1...Kxd3
        • 2.Qg2
          • threat
            • 3.Qc2#
          • 2...Kc3
            • 3.Qb2+
              • 3...Kd3
                • 4.Qc2#
      • 1...Kf3
        • 2.Qg6
          • threat
            • 3.Sc1
              • 3...e4
                • 4.Qg4#
          • 2...Ke2
            • 3.Qg2+
              • 3...Kd1
                • 4.Qc2#
              • 3...Kxd3
                • 4.Qc2#
      • 1...Kd5
        • 2.Qg2+
          • 2...f3
            • 3.Sb4+
              • 3...Ke4
                • 4.Qg4#
          • 2...e4
            • 3.Sb4+
              • 3...Ke5
                • 4.Qg5#
      • 1...Kf5
        • 2.Qh7+
          • 2...Kg5
            • 3.Bf2
              • threat
                • 4.Bh4#
              • 3...Kf6
                • 4.Bh4#
          • 2...Kf6
            • 3.Bf2
              • threat
                • 4.Bh4#
              • 3...Kg5
                • 4.Bh4#

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).