Problem Display
PID: 62592 (8/p7/8/8/k2KN3/3N4/PP6/8 w - - 0 1)

Rosenberger, Dr

Schachzeitung der Berliner Schachgesellschaft, 1855

8/p7/8/8/k2KN3/3N4/PP6/8

#4

5 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Kc5!
      • threat
        • 2.Sc3+
          • 2...Ka5
            • 3.Sb4
              • 3...a6
                • 4.Sc6#
        • 2.Kc6
          • threat
            • 3.Sec5+
              • 3...Ka5
                • 4.b4#
          • 2...Ka5
            • 3.Sec5
              • 3...a6
                • 4.b4#
        • 2.Sb4
          • threat
            • 3.Sc6
              • threat
                • 4.Sc3#
          • 2...Ka5
            • 3.Sc3
              • 3...a6
                • 4.Sc6#
            • 3.b3
              • 3...a6
                • 4.Sc6#
          • 2...a6
            • 3.Sc3+
              • 3...Ka5
                • 4.Sc6#
            • 3.Sc6
              • 3...a5
                • 4.Sc3#
      • 1...Ka5
        • 2.Sb4
          • threat
            • 3.Sc3
              • 3...a6
                • 4.Sc6#
            • 3.b3
              • 3...a6
                • 4.Sc6#
          • 2...Ka4
            • 3.Sc6
              • threat
                • 4.Sc3#
          • 2...a6
            • 3.Sc6+
              • 3...Ka4
                • 4.Sc3#

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).