Problem Display
PID: 178568 (8/Q7/p2k4/8/2B4p/8/1B6/6K1 w - - 0 1)

Howard, David M

Problem Observer, 2010

8/Q7/p2k4/8/2B4p/8/1B6/6K1

#3

4 + 3


SOLUTION


  • SOUND
  • Sets
    • 1...Kc6
      • 2.Be5
        • threat
          • 3.Qc7#
  • Tries
    • 1.Be5+?
      • 1...Kc6
        • 2.Qc7#
      • 1...Kxe5!
    • 1.Bb5?
      • threat
        • 2.Qb6+
          • 2...Kd5
            • 3.Qc6#
          • 2...Ke7
            • 3.Qf6#
      • 1...Kd5
        • 2.Qd4+
          • 2...Ke6
            • 3.Qd7#
      • 1...axb5!
    • 1.Qe7+?
      • 1...Kc6
        • 2.Be5
          • threat
            • 3.Qc7#
          • 2...Kb6
            • 3.Qc7#
      • 1...Kxe7!
  • Keys
    • 1.Bc1!
      • threat
        • 2.Bf4+
          • 2...Kc6
            • 3.Qc7#
      • 1...Ke5
        • 2.Qc5+
          • 2...Ke4
            • 3.Qd5#
          • 2...Kf6
            • 3.Qg5#
      • 1...Kc6
        • 2.Bf4
          • threat
            • 3.Qc7#

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).