Problem Display
PID: 19978 (8/Pr1p4/2kP4/1pP1P3/1P1K4/8/8/8 w - - 0 1)

Wurzburg, Otto

More White Rooks, 1911

8/Pr1p4/2kP4/1pP1P3/1P1K4/8/8/8

#4

6 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.a8R!
      • threat
        • 2.Ra6+
          • 2...Rb6
            • 3.Rxb6#
        • 2.Rc8+
          • 2...Rc7
            • 3.Rxc7#
      • 1...Rb6
        • 2.Ra7
          • threat
            • 3.Rc7#
          • 2...Rb7
            • 3.Ra6+
              • 3...Rb6
                • 4.Rxb6#
      • 1...Ra7
        • 2.Rb8
          • threat
            • 3.Rb6#
          • 2...Ra6
            • 3.Ke4
              • 3...Ra1
                • 4.Rb6#
              • 3...Ra2
                • 4.Rb6#
              • 3...Ra3
                • 4.Rb6#
              • 3...Ra4
                • 4.Rb6#
              • 3...Ra5
                • 4.Rb6#
              • 3...Rb6
                • 4.Rxb6#
              • 3...Ra7
                • 4.Rb6#
              • 3...Ra8
                • 4.Rb6#
          • 2...Rb7
            • 3.Rc8+
              • 3...Rc7
                • 4.Rxc7#
      • 1...Rc7
        • 2.Rb8
          • threat
            • 3.Rb6#
          • 2...Rb7
            • 3.Rc8+
              • 3...Rc7
                • 4.Rxc7#
      • 1...Rb8
        • 2.Ra7
          • threat
            • 3.Rc7#
          • 2...Rb7
            • 3.Ra6+
              • 3...Rb6
                • 4.Rxb6#
          • 2...Rc8
            • 3.Ke4
              • 3...Rc7
                • 4.Rxc7#
              • 3...Ra8
                • 4.Rc7#
              • 3...Rb8
                • 4.Rc7#
              • 3...Rd8
                • 4.Rc7#
              • 3...Re8
                • 4.Rc7#
              • 3...Rf8
                • 4.Rc7#
              • 3...Rg8
                • 4.Rc7#
              • 3...Rh8
                • 4.Rc7#

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).