Problem Display
PID: 269490 (2Q5/4N2B/8/2P5/2pk4/P7/8/5K2 w - - 0 1)

Petrasinovic, Petrasin

SuperProblem, 2018

2Q5/4N2B/8/2P5/2pk4/P7/8/5K2

#4

6 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Qb7!
      • 1...Kc3
        • 2.Sc6
          • 2...Kd2
            • 3.Qb2+
              • 3...Kd1
                • 4.Qc2#
              • 3...Ke3
                • 4.Qf2#
      • 1...Kxc5
        • 2.Sf5
          • 2...c3
            • 3.a4
              • threat
                • 4.Qb5#
              • 3...Kc4
                • 4.Qb5#
      • 1...Ke5
        • 2.Qe4+
          • 2...Kf6
            • 3.Sf5
              • threat
                • 4.Qe7#
              • 3...Kg5
                • 4.Qh4#
              • 3...Kf7
                • 4.Qe7#

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).