Problem Display
PID: 177370 (8/8/4p3/p1N1p3/4Pp2/kpP2R2/1p3P2/1K6 w - - 0 1)

Engel, Herbert Robert

Schach-Echo, 1971

8/8/4p3/p1N1p3/4Pp2/kpP2R2/1p3P2/1K6

#5

6 + 7


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Rh3!
      • threat
        • 2.Rh7
          • threat
            • 3.Ra7
              • threat
                • 4.Rxa5#
              • 3...a4
                • 4.Rxa4#
          • 2...f3
            • 3.Ra7
              • 3...a4
                • 4.Rxa4#
          • 2...a4
            • 3.Ra7
              • 3...f3
                • 4.Rxa4#
        • 2.Rh8
          • threat
            • 3.Ra8
              • threat
                • 4.Rxa5#
              • 3...a4
                • 4.Rxa4#
          • 2...f3
            • 3.Ra8
              • 3...a4
                • 4.Rxa4#
          • 2...a4
            • 3.Ra8
              • 3...f3
                • 4.Rxa4#
      • 1...f3
        • 2.Rh5
          • 2...a4
            • 3.Sxa4
              • 3...Kxa4
                • 4.Rxe5
                  • 4...Ka3
                    • 5.Ra5#
      • 1...a4
        • 2.Rh5
          • 2...f3
            • 3.Sxa4
              • 3...Kxa4
                • 4.Rxe5
                  • 4...Ka3
                    • 5.Ra5#

FEATURES


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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).