Problem Display
PID: 212238 (6R1/8/5N2/6n1/4pp1k/1pp5/5P1K/8 w - - 0 1)

Elson, Jacob

American Chess Nuts, 1868

6R1/8/5N2/6n1/4pp1k/1pp5/5P1K/8

#4

4 + 6


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Kg2!
      • threat
        • 2.Rg6
          • threat
            • 3.Rh6#
          • 2...f3+
            • 3.Kh2
              • threat
                • 4.Rh6#
              • 3...Sh3
                • 4.Rg4#
              • 3...Se6
                • 4.Rg4#
              • 3...Sf7
                • 4.Rg4#
              • 3...Sh7
                • 4.Rg4#
      • 1...f3+
        • 2.Kh2
          • threat
            • 3.Rg6
              • threat
                • 4.Rh6#
              • 3...Sh3
                • 4.Rg4#
              • 3...Se6
                • 4.Rg4#
              • 3...Sf7
                • 4.Rg4#
              • 3...Sh7
                • 4.Rg4#
          • 2...e3
            • 3.Rg6
              • threat
                • 4.Rh6#
              • 3...Sh3
                • 4.Rg4#
              • 3...Se4
                • 4.Rg4#
              • 3...Se6
                • 4.Rg4#
              • 3...Sf7
                • 4.Rg4#
              • 3...Sh7
                • 4.Rg4#
      • 1...e3
        • 2.Rg6
          • threat
            • 3.Rh6#
          • 2...f3+
            • 3.Kh2
              • threat
                • 4.Rh6#
              • 3...Sh3
                • 4.Rg4#
              • 3...Se4
                • 4.Rg4#
              • 3...Se6
                • 4.Rg4#
              • 3...Sf7
                • 4.Rg4#
              • 3...Sh7
                • 4.Rg4#

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).