Problem Display
PID: 80728 (5n2/8/1N6/1k6/2R3Q1/8/8/7K w - - 0 1)

Akerblom, Johan Axel

Svenska Dagbladet, 1928

5n2/8/1N6/1k6/2R3Q1/8/8/7K

#3

4 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Rc6?
      • threat
        • 2.Qa4#
      • 1...Ka6
        • 2.Qa4+
          • 2...Kb7
            • 3.Qa8#
      • 1...Kxc6!
    • 1.Qc8?
      • threat
        • 2.Qc6+
          • 2...Ka5
            • 3.Ra4#
          • 2...Ka6
            • 3.Ra4#
      • 1...Ka5
        • 2.Qc6
          • threat
            • 3.Ra4#
          • 2...Ka6
            • 3.Ra4#
      • 1...Kxb6!
  • Keys
    • 1.Qf3!
      • threat
        • 2.Qc6+
          • 2...Ka5
            • 3.Ra4#
          • 2...Ka6
            • 3.Ra4#
      • 1...Ka5
        • 2.Qc6
          • threat
            • 3.Ra4#
          • 2...Ka6
            • 3.Ra4#
      • 1...Ka6
        • 2.Rb4
          • threat
            • 3.Qa8#
          • 2...Ka5
            • 3.Qa3#
          • 2...Ka7
            • 3.Qa8#
      • 1...Kxb6
        • 2.Qb3+
          • 2...Ka5
            • 3.Ra4#
          • 2...Ka6
            • 3.Ra4#
          • 2...Ka7
            • 3.Ra4#

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).