Problem Display
PID: 20173 (rk1N4/p7/p1R2p2/B2K4/Bp1pp3/7b/8/1r4n1 w - - 0 1)

Prevorovsky, Emil

Tyden rozhlasu, 1942

rk1N4/p7/p1R2p2/B2K4/Bp1pp3/7b/8/1r4n1

#4

5 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Rc4!
      • threat
        • 2.Bc7+
          • 2...Kc8
            • 3.Be5+
              • 3...Kxd8
                • 4.Bxf6#
      • 1...Be6+
        • 2.Kxe6
          • threat
            • 3.Bc7+
              • 3...Kc8
                • 4.Bd7#
            • 3.Kd7
              • threat
                • 4.Bc7#
                • 4.Rc8#
            • 3.Bd7
              • threat
                • 4.Bc7#
                • 4.Rc8#
      • 1...Rc1
        • 2.Sc6+
          • 2...Kb7
            • 3.Rxb4+
              • 3...Kc8
                • 4.Se7#
          • 2...Kc8
            • 3.Se7+
              • 3...Kb7
                • 4.Rxb4#
              • 3...Kb8
                • 4.Rxb4#
      • 1...Rf1
        • 2.Sc6+
          • 2...Kb7
            • 3.Rxb4+
              • 3...Kc8
                • 4.Se7#
          • 2...Kc8
            • 3.Se7+
              • 3...Kb7
                • 4.Rxb4#
              • 3...Kb8
                • 4.Rxb4#
      • 1...Bf1
        • 2.Bd7
          • threat
            • 3.Bc7#
            • 3.Rc8#
          • 2...Bxc4+
            • 3.Kd6
              • threat
                • 4.Bc7#

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).