Problem Display
PID: 40655 (rk6/8/4N3/B4n2/8/8/6Q1/4K3 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Izbrannie Zadachi, 1958

rk6/8/4N3/B4n2/8/8/6Q1/4K3

#3

4 + 3


3296 Shakhmatny zadachi miniaturi 1987

SOLUTION


  • SOUND
  • Sets
    • 1...Kc8
      • 2.Qc6+
        • 2...Kb8
          • 3.Qc7#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Qb7#
      • 1...Ka7
        • 2.Qb7#
      • 1...Kc8
        • 2.Qb7#
        • 2.Qxa8#
        • 2.Qg8#
      • 1...Ra7
        • 2.Qg8#
      • 1...Sd6!
    • 1.Qb2+?
      • 1...Ka7
        • 2.Qb6#
      • 1...Kc8!
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qc7#
      • 1...Rxa5
        • 2.Qb6+
          • 2...Ka8
            • 3.Sc7#
          • 2...Kc8
            • 3.Qc7#
      • 1...Ra6
        • 2.Qxa6
          • threat
            • 3.Bc7#
      • 1...Ra7
        • 2.Qe8+
          • 2...Kb7
            • 3.Sc5#

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).