Problem Display
PID: 196067 (8/8/k3K3/B7/8/8/8/R7 w - - 0 1)

Lindgren, Frithiof

Eskilstuna Kuriren, 1919

8/8/k3K3/B7/8/8/8/R7

#4

3 + 1


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Keys
    • 1.Kd6!
      • threat
        • 2.Kc6
          • 2...Ka7
            • 3.Bc7#
      • 1...Kb5
        • 2.Kd5
          • 2...Ka6
            • 3.Kc6
              • 3...Ka7
                • 4.Bc7#
      • 1...Ka7
        • 2.Kc6
          • threat
            • 3.Bc7#
          • 2...Kb8
            • 3.Bc7+
              • 3...Kc8
                • 4.Ra8#
            • 3.Be1
              • 3...Kc8
                • 4.Ra8#
            • 3.Bd2
              • 3...Kc8
                • 4.Ra8#
            • 3.Bc3
              • 3...Kc8
                • 4.Ra8#
            • 3.Bb4
              • 3...Kc8
                • 4.Ra8#
            • 3.Bb6
              • 3...Kc8
                • 4.Ra8#
            • 3.Bd8
              • 3...Kc8
                • 4.Ra8#
        • 2.Kc7
          • threat
            • 3.Be1#
            • 3.Bd2#
            • 3.Bc3#
            • 3.Bb4#
            • 3.Bb6#
          • 2...Ka6
            • 3.Kc6
              • 3...Ka7
                • 4.Bc7#
      • 1...Kb7
        • 2.Bd8
          • 2...Kb8
            • 3.Kc6
              • 3...Kc8
                • 4.Ra8#
          • 2...Kc8
            • 3.Rb1
              • 3...Kxd8
                • 4.Rb8#

FEATURES


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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).