Problem Display
PID: 20366 (4B3/8/2n5/8/7K/8/3R2pk/R7 w - - 0 1)

Kutzborski, Dieter

Comm., Deutsche Schachzeitung, 1970

4B3/8/2n5/8/7K/8/3R2pk/R7

#4

4 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Rd3!
      • threat
        • 2.Rh3#
      • 1...g1Q
        • 2.Rd2+
          • 2...Qg2
            • 3.Bxc6
              • threat
                • 4.Rxg2#
              • 3...Qf2+
                • 4.Rxf2#
              • 3...Qxd2
                • 4.Rh1#
              • 3...Qe2
                • 4.Rh1#
                • 4.Rxe2#
      • 1...g1R
        • 2.Rd2+
          • 2...Rg2
            • 3.Bxc6
              • threat
                • 4.Rxg2#
              • 3...Rxd2
                • 4.Rh1#
              • 3...Re2
                • 4.Rh1#
                • 4.Rxe2#
              • 3...Rf2
                • 4.Rh1#
                • 4.Rxf2#

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).