Problem Display
PID: 66909 (8/2pn4/K1k2NN1/8/P2R4/3n4/8/8 w - - 0 1)

Anonymous

Source?, 0000

8/2pn4/K1k2NN1/8/P2R4/3n4/8/8

#4

5 + 4


1679 American Chess Nuts 1868

SOLUTION


  • SOUND
  • Keys
    • 1.Rd5!
      • threat
        • 2.Se7#
      • 1...Sb4+
        • 2.Ka7
          • threat
            • 3.Se7#
          • 2...Sxd5
            • 3.Se4
              • 3...Sc3
                • 4.Se7#
              • 3...Se3
                • 4.Se7#
              • 3...Sb4
                • 4.Se7#
              • 3...Sf4
                • 4.Se7#
              • 3...S5b6
                • 4.Se7#
              • 3...S5f6
                • 4.Se7#
              • 3...Se7
                • 4.Sxe7#
              • 3...Sc5
                • 4.Se5#
              • 3...Se5
                • 4.Sxe5#
              • 3...S7b6
                • 4.Se5#
              • 3...S7f6
                • 4.Se5#
              • 3...Sb8
                • 4.Se5#
              • 3...Sf8
                • 4.Se5#

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).