Problem Display
PID: 121759 (5k2/5P2/4pK2/p4p2/1p3R2/bR4p1/3p2p1/r7 w - - 0 1)

Ernst, Georg

Deutsches Wochenschach, 1911

5k2/5P2/4pK2/p4p2/1p3R2/bR4p1/3p2p1/r7

#4

4 + 10


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Rc4!
      • threat
        • 2.Rc8#
      • 1...Bb2+
        • 2.Rxb2
          • threat
            • 3.Rc8#
          • 2...d1Q
            • 3.Rc8+
              • 3...Qd8+
                • 4.Rxd8#
          • 2...d1R
            • 3.Rc8+
              • 3...Rd8
                • 4.Rxd8#
          • 2...Rc1
            • 3.Rxd2
              • threat
                • 4.Rd8#
              • 3...Rd1
                • 4.Rc8#
      • 1...Rc1
        • 2.Rbc3
          • threat
            • 3.Rc8#
          • 2...Rxc3
            • 3.Rh4
              • threat
                • 4.Rh8#
          • 2...d1Q
            • 3.Rc8+
              • 3...Qd8+
                • 4.Rxd8#
          • 2...d1R
            • 3.Rc8+
              • 3...Rd8
                • 4.Rxd8#

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).