Problem Display
PID: 151426 (1K6/8/2Q5/8/3k4/2N5/7P/5N2 w - - 0 1)

van Rey, Loek

Probleemblad, 2013

1K6/8/2Q5/8/3k4/2N5/7P/5N2

#4

5 + 1


SOLUTION


  • SOUND
  • Keys
    • 1.Sg3!
      • threat
        • 2.Sce4
          • threat
            • 3.Qc5+
              • 3...Kd3
                • 4.Qc3#
          • 2...Ke3
            • 3.Qf6
              • 3...Kd3
                • 4.Qc3#
      • 1...Kd3
        • 2.Sce4
          • threat
            • 3.Qc3#
          • 2...Ke3
            • 3.Qf6
              • 3...Kd3
                • 4.Qc3#
          • 2...Kd4
            • 3.Qc5+
              • 3...Kd3
                • 4.Qc3#
      • 1...Ke3
        • 2.Qe4+
          • 2...Kd2
            • 3.Sa2
              • 3...Kd1
                • 4.Qe2#
          • 2...Kf2
            • 3.Sd1+
              • 3...Kg1
                • 4.Qh1#
      • 1...Ke5
        • 2.Sd1
          • 2...Kd4
            • 3.Kc7
              • 3...Kd3
                • 4.Qc3#
              • 3...Ke5
                • 4.Qd6#
          • 2...Kf4
            • 3.Qf6+
              • 3...Kg4
                • 4.Sf2#

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).