Problem Display
PID: 36743 (8/R6R/2pp4/2pk1K2/3p4/1P3p2/5P2/8 w - - 0 1)

Lehner, Sigmund Franz Josef

Breitenfeld MS, 1877

8/R6R/2pp4/2pk1K2/3p4/1P3p2/5P2/8

#4

5 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Rh5!
      • threat
        • 2.Re7
          • threat
            • 3.Kf4#
            • 3.Kg4#
            • 3.Kf6#
            • 3.Kg6#
          • 2...d3
            • 3.Re4
              • threat
                • 4.Kf4#
      • 1...d3
        • 2.Ra4
          • threat
            • 3.Kf6#
          • 2...c4
            • 3.Kf6+
              • 3...Kd4
                • 4.Rxc4#
              • 3...Ke4
                • 4.Rxc4#
      • 1...c4
        • 2.Kf4+
          • 2...Ke6
            • 3.bxc4
              • threat
                • 4.Rh6#
              • 3...Kf6
                • 4.Rh6#

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).