Problem Display
PID: 247037 (K7/4N3/8/4p3/3Pk3/8/8/5BQ1 w - - 0 1)

Petrasinovic, Petrasin

Uralski Problemist, 2010

K7/4N3/8/4p3/3Pk3/8/8/5BQ1

#4

5 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Qg5!
      • 1...Kf3
        • 2.Sd5
          • threat
            • 3.Qg2#
          • 2...Kf2
            • 3.Qg2+
              • 3...Ke1
                • 4.Qe2#
          • 2...Ke4
            • 3.Qxe5+
              • 3...Kf3
                • 4.Qf4#
      • 1...Kxd4
        • 2.Qd2+
          • 2...Kc5
            • 3.Sc8
              • threat
                • 4.Qd6#
              • 3...Kc6
                • 4.Qd6#
      • 1...exd4
        • 2.Sg6
          • threat
            • 3.Qe5+
              • 3...Kf3
                • 4.Qf4#
            • 3.Be2
              • 3...d3
                • 4.Qe5#

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).