Problem Display
PID: 210318 (k7/2P5/8/3KNP2/8/2N5/b7/8 w - - 0 1)

Huggins, Colonel AZ

2nd Prize, New York Clipper, 1876

k7/2P5/8/3KNP2/8/2N5/b7/8

#4

5 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Kc6!
      • threat
        • 2.c8Q+
          • 2...Ka7
            • 3.Sb5#
            • 3.Qb7#
      • 1...Bd5+
        • 2.Sxd5
          • 2...Ka7
            • 3.c8R
              • 3...Ka6
                • 4.Ra8#
      • 1...Ka7
        • 2.Sxa2
          • threat
            • 3.c8R
              • 3...Ka6
                • 4.Ra8#
          • 2...Ka6
            • 3.c8Q+
              • 3...Ka5
                • 4.Qa8#
              • 3...Ka7
                • 4.Qb7#
          • 2...Ka8
            • 3.c8Q+
              • 3...Ka7
                • 4.Qb7#
        • 2.c8Q
          • threat
            • 3.Sb5#
            • 3.Qb7#
          • 2...Bd5+
            • 3.Kc7
              • threat
                • 4.Sb5#
              • 3...Bb7
                • 4.Qxb7#
              • 3...Bc4
                • 4.Sc6#
                • 4.Qb7#
              • 3...Bc6
                • 4.Sxc6#
        • 2.c8R
          • threat
            • 3.Sb5+
              • 3...Ka6
                • 4.Ra8#
            • 3.Sxa2
              • 3...Ka6
                • 4.Ra8#
          • 2...Bd5+
            • 3.Sxd5
              • 3...Ka6
                • 4.Ra8#
          • 2...Bc4
            • 3.Sxc4
              • 3...Ka6
                • 4.Ra8#
      • 1...Be6
        • 2.fxe6
          • 2...Ka7
            • 3.c8R
              • 3...Ka6
                • 4.Ra8#

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).