Problem Display
PID: 210488 (1rN5/3NPK1k/b7/Q4P1n/1npB4/8/8/7r w - - 0 1)

Heywood, George C

New York Clipper, 1872

1rN5/3NPK1k/b7/Q4P1n/1npB4/8/8/7r

#4

7 + 7


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qd8!
      • threat
        • 2.Qh8#
      • 1...Kh6
        • 2.e8Q
          • threat
            • 3.Qh8#
          • 2...Sf6
            • 3.Qxf6+
              • 3...Kh5
                • 4.Qe2#
              • 3...Kh7
                • 4.Sf8#
                • 4.Qg7#
                • 4.Qfh8#
                • 4.Qg6#
                • 4.Qg8#
                • 4.Qeh8#
      • 1...Rxc8
        • 2.Bg7
          • threat
            • 3.Sf8#
          • 2...Rxd8
            • 3.Sf8+
              • 3...Rxf8+
                • 4.exf8S#
          • 2...Sxg7
            • 3.Sf6+
              • 3...Kh6
                • 4.Qd2#

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).