Problem Display
PID: 71472 (8/5p2/6k1/6N1/1BP4Q/5p2/5P2/K7 w - - 0 1)

van Rey, Loek

Probleemblad, 2006

8/5p2/6k1/6N1/1BP4Q/5p2/5P2/K7

#4

6 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Sxf7!
      • threat
        • 2.Qf4
          • 2...Kg7
            • 3.Qf5
              • 3...Kg8
                • 4.Qg6#
          • 2...Kh7
            • 3.Qh6+
              • 3...Kg8
                • 4.Qg6#
            • 3.Qf6
              • 3...Kg8
                • 4.Qg6#
      • 1...Kf5
        • 2.Qh6
          • 2...Ke4
            • 3.Sd6+
              • 3...Kd3
                • 4.Qd2#
              • 3...Kd4
                • 4.Qe3#
              • 3...Ke5
                • 4.Bc3#
          • 2...Kg4
            • 3.Qg5+
              • 3...Kh3
                • 4.Qg3#
      • 1...Kxf7
        • 2.Qh6
          • 2...Ke8
            • 3.Qe6+
              • 3...Kd8
                • 4.Ba5#
          • 2...Kg8
            • 3.Qg6+
              • 3...Kh8
                • 4.Bc3#
      • 1...Kg7
        • 2.Sh8
          • 2...Kg8
            • 3.Bc3
              • 3...Kf8
                • 4.Qd8#

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).