Problem Display
PID: 40654 (7b/5Pkb/8/2K4Q/4N3/8/8/8 w - - 0 1)

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

Izbrannie Zadachi, 1958

7b/5Pkb/8/2K4Q/4N3/8/8/8

#3

4 + 3


3296 Shakhmatny zadachi miniaturi 1987

SOLUTION


  • SOUND
  • Tries
    • 1.Qxh7+?
      • 1...Kf8
        • 2.Qg8+
          • 2...Ke7
            • 3.Qe8#
      • 1...Kxh7!
  • Keys
    • 1.Sg5!
      • threat
        • 2.f8Q+
          • 2...Kxf8
            • 3.Qf7#
      • 1...Kf6
        • 2.f8Q+
          • 2...Ke5
            • 3.Qhe8#
            • 3.Qh2#
        • 2.f8R+
          • 2...Ke5
            • 3.Qe8#
            • 3.Qh2#
          • 2...Ke7
            • 3.Qf7#
            • 3.Qe8#
          • 2...Kg7
            • 3.Se6#
      • 1...Kf8
        • 2.Qh6+
          • 2...Ke7
            • 3.Qd6#
          • 2...Bg7
            • 3.Qd6#
      • 1...Bg6
        • 2.Qxh8+
          • 2...Kxh8
            • 3.f8Q#
      • 1...Bg8
        • 2.fxg8S
          • threat
            • 3.Qf7#
          • 2...Kf8
            • 3.Qf7#
          • 2...Kxg8
            • 3.Qf7#

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).