Problem Display
PID: 189291 (8/1k6/3K4/1p6/8/8/R2P4/2R5 w - - 0 1)

Weintraub-Reimer, MD

Deutsches Wochenschach, 1912

8/1k6/3K4/1p6/8/8/R2P4/2R5

#3

4 + 2


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Tries
    • 1.Rb1?
      • threat
        • 2.Rxb5+
          • 2...Kc8
            • 3.Ra8#
      • 1...Kb8
        • 2.Kd7
          • threat
            • 3.Rxb5#
          • 2...Kb7
            • 3.Rxb5#
          • 2...b4
            • 3.Rxb4#
        • 2.Rxb5+
          • 2...Kc8
            • 3.Ra8#
      • 1...Kc8
        • 2.Rxb5
          • 2...Kd8
            • 3.Ra8#
            • 3.Rb8#
      • 1...b4
        • 2.Rxb4+
          • 2...Kc8
            • 3.Ra8#
      • 1...Kb6!
    • 1.Rc5?
      • threat
        • 2.Rxb5+
          • 2...Kc8
            • 3.Ra8#
      • 1...Kb8
        • 2.Kd7
          • threat
            • 3.Rxb5#
          • 2...Kb7
            • 3.Rxb5#
          • 2...b4
            • 3.Rb5#
        • 2.Rxb5+
          • 2...Kc8
            • 3.Ra8#
      • 1...b4
        • 2.Rb5+
          • 2...Kc8
            • 3.Ra8#
      • 1...Kb6!
    • 1.Rc6?
      • 1...Kb8
        • 2.Rb6+
          • 2...Kc8
            • 3.Ra8#
      • 1...b4!
    • 1.Rc7+?
      • 1...Kb6
        • 2.Raa7
          • 2...b4
            • 3.Rcb7#
      • 1...Kb8!
    • 1.Ra7+?
      • 1...Kb6
        • 2.Rcc7
          • 2...b4
            • 3.Rcb7#
      • 1...Kxa7
        • 2.Kc7
          • threat
            • 3.Ra1#
          • 2...Ka6
            • 3.Ra1#
          • 2...Ka8
            • 3.Ra1#
      • 1...Kb8!
  • Keys
    • 1.Ra8!
      • threat
        • 2.Rcc8
          • threat
            • 3.Rcb8#
          • 2...Kb6
            • 3.Rcb8#
      • 1...Kb6
        • 2.Rcc8
          • threat
            • 3.Rcb8#
          • 2...Kb7
            • 3.Rcb8#
      • 1...Kxa8
        • 2.Kc7
          • threat
            • 3.Ra1#
          • 2...Ka7
            • 3.Ra1#

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).