Problem Display
PID: 269619 (8/7K/N4N2/6pp/2pk3P/3p4/8/2Q5 w - - 0 1)

Petrasinovic, Petrasin

Schach, 2011

8/7K/N4N2/6pp/2pk3P/3p4/8/2Q5

#4

5 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Kg6!
      • 1...Ke5
        • 2.Qe3+
          • 2...Kd6
            • 3.Qc5+
              • 3...Ke6
                • 4.Sc7#
      • 1...gxh4
        • 2.Kf5
          • threat
            • 3.Qe1
              • threat
                • 4.Qe5#
              • 3...d2
                • 4.Qxd2#
              • 3...c3
                • 4.Qe4#
      • 1...d2
        • 2.Qxd2+
          • 2...Ke5
            • 3.Sc5
              • threat
                • 4.Sfd7#
      • 1...c3
        • 2.Qxg5
          • threat
            • 3.Qf4#
            • 3.Qc5#
          • 2...d2
            • 3.Qf4+
              • 3...Kd3
                • 4.Qe4#
      • 1...g4
        • 2.Kf5
          • threat
            • 3.Qe1
              • threat
                • 4.Qe5#
              • 3...d2
                • 4.Qxd2#
              • 3...c3
                • 4.Qe4#

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).