Problem Display
PID: 124803 (8/bbk4p/1pP5/p2K1B2/2Q5/6pr/8/8 w - - 0 1)

Knotek, Ladislav

Sachove umeni (Ceskoslovensky sach), 1950

8/bbk4p/1pP5/p2K1B2/2Q5/6pr/8/8

#3

4 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kb8
      • 2.cxb7
        • threat
          • 3.Qc8#
        • 2...Kxb7
          • 3.Qc8#
    • 1...Bxc6+
      • 2.Qxc6+
        • 2...Kb8
          • 3.Qc8#
        • 2...Kd8
          • 3.Qd7#
  • Tries
    • 1.Qc5?
      • threat
        • 2.Qd6#
      • 1...Bxc6+
        • 2.Qxc6+
          • 2...Kb8
            • 3.Qc8#
          • 2...Kd8
            • 3.Qd7#
      • 1...Kb8
        • 2.Qf8+
          • 2...Kc7
            • 3.Qd6#
          • 2...Bc8
            • 3.Qxc8#
      • 1...Kd8
        • 2.Qf8+
          • 2...Kc7
            • 3.Qd6#
      • 1...Rh6
        • 2.Qe7+
          • 2...Kb8
            • 3.Qxb7#
      • 1...b5
        • 2.Qe7+
          • 2...Kb6
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
      • 1...bxc5!
    • 1.cxb7+?
      • 1...Kxb7
        • 2.Qc8#
      • 1...Kb8
        • 2.Qc8#
      • 1...Kd8!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Qg7+
          • 2...Kb8
            • 3.Qxb7#
          • 2...Kd8
            • 3.Qd7#
      • 1...Bxc6+
        • 2.Qxc6+
          • 2...Kb8
            • 3.Qc8#
          • 2...Kd8
            • 3.Qd7#
      • 1...Kb8
        • 2.cxb7
          • threat
            • 3.Qc8#
          • 2...Kxb7
            • 3.Qc8#
      • 1...Kd8
        • 2.Qf6+
          • 2...Kc7
            • 3.Qd6#
          • 2...Ke8
            • 3.Bd7#
      • 1...b5
        • 2.Qg7+
          • 2...Kb6
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
          • 2...Kd8
            • 3.Qd7#
      • 1...Bb8
        • 2.Qg7+
          • 2...Kd8
            • 3.Qd7#
      • 1...Ba6
        • 2.Qe5+
          • 2...Kd8
            • 3.c7#
      • 1...Ba8
        • 2.Qg7+
          • 2...Kb8
            • 3.Qe5#
          • 2...Kd8
            • 3.Qd7#
      • 1...Bc8
        • 2.Qe5+
          • 2...Kd8
            • 3.c7#

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).