Problem Display
PID: 250897 (8/8/K7/P3kP2/4N2P/8/B1Q5/8 w - - 0 1)

Petrasinovic, Petrasin

Sp. Comm., Uralski Problemist, 2011

8/8/K7/P3kP2/4N2P/8/B1Q5/8

#4

7 + 1


SOLUTION


  • SOUND
  • Keys
    • 1.Sf2!
      • 1...Kd4
        • 2.Qd2+
          • 2...Kc5
            • 3.Se4+
              • 3...Kc6
                • 4.Qd6#
          • 2...Ke5
            • 3.f6
              • 3...Kf5
                • 4.Qg5#
              • 3...Kxf6
                • 4.Qg5#
      • 1...Kf4
        • 2.Qc3
          • 2...Kxf5
            • 3.Qg3
              • 3...Kf6
                • 4.Qg5#
      • 1...Kd6
        • 2.f6
          • 2...Ke5
            • 3.Qd2
              • 3...Kf5
                • 4.Qg5#
              • 3...Kxf6
                • 4.Qg5#
          • 2...Kd7
            • 3.Kb7
              • 3...Kd6
                • 4.Qc7#
              • 3...Kd8
                • 4.Qc8#
              • 3...Ke8
                • 4.Qc8#
      • 1...Kf6
        • 2.Qc7
          • 2...Kxf5
            • 3.Qg3
              • 3...Kf6
                • 4.Qg5#

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).