Problem Display
PID: 221016 (kb5r/np1p2pp/1P2pp2/8/Q7/8/R7/1K6 w - - 0 1)

Krieger, Franz Heinrich Ernst

Deutsche Schachzeitung, 1935

kb5r/np1p2pp/1P2pp2/8/Q7/8/R7/1K6

#4

4 + 10


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rc2!
      • threat
        • 2.Rc7
          • threat
            • 3.Qa6
              • threat
                • 4.Qxb7#
              • 3...Bxc7
                • 4.Qxa7#
              • 3...bxa6
                • 4.b7#
          • 2...Rc8
            • 3.Rxc8
              • threat
                • 4.Qxa7#
      • 1...Rd8
        • 2.Rc7
          • threat
            • 3.Qa6
              • threat
                • 4.Qxb7#
              • 3...Bxc7
                • 4.Qxa7#
              • 3...bxa6
                • 4.b7#
          • 2...Rc8
            • 3.Rxc8
              • threat
                • 4.Qxa7#
      • 1...Re8
        • 2.Rc7
          • threat
            • 3.Qa6
              • threat
                • 4.Qxb7#
              • 3...Bxc7
                • 4.Qxa7#
              • 3...bxa6
                • 4.b7#
          • 2...Rc8
            • 3.Rxc8
              • threat
                • 4.Qxa7#
      • 1...Rf8
        • 2.Rc7
          • threat
            • 3.Qa6
              • threat
                • 4.Qxb7#
              • 3...Bxc7
                • 4.Qxa7#
              • 3...bxa6
                • 4.b7#
          • 2...Rc8
            • 3.Rxc8
              • threat
                • 4.Qxa7#
      • 1...Rg8
        • 2.Rc7
          • threat
            • 3.Qa6
              • threat
                • 4.Qxb7#
              • 3...Bxc7
                • 4.Qxa7#
              • 3...bxa6
                • 4.b7#
          • 2...Rc8
            • 3.Rxc8
              • threat
                • 4.Qxa7#

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).