Problem Display
PID: 269525 (5B2/5N2/1Q3P2/8/4kp2/1K6/2P5/8 w - - 0 1)

Petrasinovic, Petrasin

Phenix, 2020

5B2/5N2/1Q3P2/8/4kp2/1K6/2P5/8

#4

6 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Qg1!
      • 1...Kf3
        • 2.Sg5+
          • 2...Ke2
            • 3.Bb4
              • 3...f3
                • 4.Qe1#
      • 1...Kd5
        • 2.Qc5+
          • 2...Ke6
            • 3.Sd6
              • threat
                • 4.Qf5#
              • 3...Kxf6
                • 4.Qf5#
              • 3...Kd7
                • 4.Qc8#
      • 1...Kf5
        • 2.Sd6+
          • 2...Ke5
            • 3.Qc5+
              • 3...Ke6
                • 4.Qf5#
              • 3...Kxf6
                • 4.Qf5#
          • 2...Ke6
            • 3.Qc5
              • threat
                • 4.Qf5#
              • 3...Kxf6
                • 4.Qf5#
              • 3...Kd7
                • 4.Qc8#
          • 2...Kxf6
            • 3.Qc5
              • threat
                • 4.Qf5#
              • 3...Ke6
                • 4.Qf5#
              • 3...Kg6
                • 4.Qf5#
      • 1...f3
        • 2.Qg5
          • threat
            • 3.Qe5#
          • 2...f2
            • 3.Qg4+
              • 3...Ke3
                • 4.Bh6#
              • 3...Kd5
                • 4.Qc4#

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).