Problem Display
PID: 208521 (8/4R1R1/4pkp1/4N1N1/4p3/8/8/K7 w - - 0 1)

d'Orville, Peter Auguste

La Palamede, 1844

8/4R1R1/4pkp1/4N1N1/4p3/8/8/K7

#4

5 + 4


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rgf7+!
      • 1...Kxe5
        • 2.Rd7
          • 2...e3
            • 3.Sf3+
              • 3...Ke4
                • 4.Rd4#
      • 1...Kxg5
        • 2.Rxe6
          • threat
            • 3.Rxg6+
              • 3...Kh4
                • 4.Rh7#
              • 3...Kh5
                • 4.Rh7#
          • 2...Kh4
            • 3.Rxg6
              • threat
                • 4.Rh7#
              • 3...Kh3
                • 4.Rh7#
              • 3...Kh5
                • 4.Rh7#
          • 2...Kh5
            • 3.Rxg6
              • threat
                • 4.Rh7#
              • 3...Kh4
                • 4.Rh7#
          • 2...Kh6
            • 3.Rxg6+
              • 3...Kh5
                • 4.Rh7#

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).