Problem Display
PID: 201988 (2k5/8/2NK4/4R3/8/8/8/8 w - - 0 1)

Dehler, Otto Georg Edgar

Deutsche Schachzeitung, 1923

2k5/8/2NK4/4R3/8/8/8/8

#3

3 + 1


3713 Snap 2020
6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Sa5?
      • threat
        • 2.Re8#
      • 1...Kd8
        • 2.Kc6
          • 2...Kc8
            • 3.Re8#
        • 2.Re1
          • 2...Kc8
            • 3.Re8#
        • 2.Re2
          • 2...Kc8
            • 3.Re8#
        • 2.Re3
          • 2...Kc8
            • 3.Re8#
        • 2.Re4
          • 2...Kc8
            • 3.Re8#
        • 2.Re6
          • 2...Kc8
            • 3.Re8#
        • 2.Re7
          • 2...Kc8
            • 3.Re8#
      • 1...Kb8!
  • Keys
    • 1.Sd8!
      • threat
        • 2.Rb5
          • 2...Kxd8
            • 3.Rb8#
      • 1...Kb8
        • 2.Ra5
          • 2...Kc8
            • 3.Ra8#
      • 1...Kxd8
        • 2.Kc6
          • 2...Kc8
            • 3.Re8#

Anticipated by 166524(1903)

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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).