Problem Display
PID: 101940 (3kB3/1p5p/bb6/2p2K1p/4QB2/3p1p2/8/1r5r w - - 0 1)

Gorbatenko, Yuri Grigorevich

diagrammes, 1992

3kB3/1p5p/bb6/2p2K1p/4QB2/3p1p2/8/1r5r

#3

4 + 11


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kc8
      • 2.Qe6+
        • 2...Kd8
          • 3.Qd7#
    • 1...Bc7
      • 2.Qe6
        • threat
          • 3.Bg5#
          • 3.Qd7#
  • Tries
    • 1.Qd5+?
      • 1...Ke7
        • 2.Qe6+
          • 2...Kd8
            • 3.Qd7#
          • 2...Kf8
            • 3.Bh6#
            • 3.Qf7#
        • 2.Qf7+
          • 2...Kd8
            • 3.Qd7#
        • 2.Qd7+
          • 2...Kf8
            • 3.Qf7#
      • 1...Kxe8!
    • 1.Qc6?
      • threat
        • 2.Bg5#
        • 2.Qd7#
      • 1...Ke7
        • 2.Bd6+
          • 2...Kd8
            • 3.Qd7#
        • 2.Qd7+
          • 2...Kf8
            • 3.Qf7#
        • 2.Qe6+
          • 2...Kd8
            • 3.Qd7#
          • 2...Kf8
            • 3.Bh6#
            • 3.Qf7#
      • 1...bxc6!
    • 1.Qe7+?
      • 1...Kc8
        • 2.Bd7#
        • 2.Qd7#
      • 1...Kxe7!
  • Keys
    • 1.Qe5!
      • threat
        • 2.Qb8+
          • 2...Ke7
            • 3.Bd6#
      • 1...Ba7
        • 2.Bf7
          • threat
            • 3.Qc7#
            • 3.Qe8#
          • 2...Kd7
            • 3.Qc7#
            • 3.Qe8#
          • 2...Kc8
            • 3.Qc7#
            • 3.Qe8#
      • 1...Bc7
        • 2.Qe6
          • threat
            • 3.Bg5#
            • 3.Qd7#

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).