Problem Display
PID: 229727 (3k4/3P4/3K4/3b4/8/3p4/3P4/3R4 w - - 0 1)

Russell, HA

L'Echiquier, 1931

3k4/3P4/3K4/3b4/8/3p4/3P4/3R4

#4

4 + 3


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Rf1!
      • threat
        • 2.Rf8#
      • 1...Bf3
        • 2.Rf2
          • 2...Bh5
            • 3.Rf8+
              • 3...Be8
                • 4.Rxe8#
                • 4.dxe8Q#
                • 4.dxe8R#
      • 1...Bf7
        • 2.Rb1
          • threat
            • 3.Rb8#
          • 2...Bb3
            • 3.Rb2
              • 3...Bd1
                • 4.Rb8#
              • 3...Ba2
                • 4.Rb8#
              • 3...Bc2
                • 4.Rb8#
              • 3...Ba4
                • 4.Rb8#
              • 3...Bc4
                • 4.Rb8#
              • 3...Bd5
                • 4.Rb8#
              • 3...Be6
                • 4.Rb8#
              • 3...Bf7
                • 4.Rb8#
              • 3...Bg8
                • 4.Rb8#

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).