Problem Display
PID: 28014 (3r4/2n5/1pR1Pp2/8/3p2np/3N3k/2PN4/7K w - - 0 1)

Campbell, Joseph Graham

Sissa, 1863

3r4/2n5/1pR1Pp2/8/3p2np/3N3k/2PN4/7K

#4

6 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Sf1!
      • threat
        • 2.Sf4#
      • 1...Sd5
        • 2.c4
          • threat
            • 3.cxd5
              • threat
                • 4.Sf4#
              • 3...Sf2+
                • 4.Sxf2#
              • 3...Sh2
                • 4.Sf2#
              • 3...Se3
                • 4.Sf2#
              • 3...Se5
                • 4.Sf2#
              • 3...Sh6
                • 4.Sf2#
          • 2...dxc4 ep
            • 3.Rxc3
              • threat
                • 4.Sf2#
                • 4.Sf4#
              • 3...Sf2+
                • 4.Sxf2#
          • 2...f5
            • 3.cxd5
              • threat
                • 4.Sf4#
              • 3...Sf2+
                • 4.Sxf2#
              • 3...Sh2
                • 4.Sf2#
              • 3...Se3
                • 4.Sf2#
              • 3...Se5
                • 4.Sf2#
              • 3...Sf6
                • 4.Sf2#
              • 3...Sh6
                • 4.Sf2#
              • 3...f4
                • 4.Sxf4#

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).