Problem Display
PID: 90218 (5K2/8/2k5/8/P7/4Q3/BP6/8 w - - 0 1)

Herland, Sigmund

Die Schwalbe, 1932

5K2/8/2k5/8/P7/4Q3/BP6/8

#3

5 + 1


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kd7
      • 2.Qb6
        • 2...Kc8
          • 3.Be6#
  • Tries
    • 1.Qb6+?
      • 1...Kd7
        • 2.Be6#
      • 1...Kxb6!
  • Keys
    • 1.a5!
      • threat
        • 2.Qb6+
          • 2...Kd7
            • 3.Be6#
      • 1...Kb5
        • 2.Qb6+
          • 2...Ka4
            • 3.Bb3#
      • 1...Kd6
        • 2.Be6
          • 2...Kc6
            • 3.Qb6#
          • 2...Kc7
            • 3.Qb6#
      • 1...Kb7
        • 2.Qb6+
          • 2...Ka8
            • 3.Bd5#
          • 2...Kc8
            • 3.Be6#
      • 1...Kc7
        • 2.Qb6+
          • 2...Kd7
            • 3.Be6#
          • 2...Kc8
            • 3.Be6#
      • 1...Kd7
        • 2.Qb6
          • 2...Kc8
            • 3.Be6#

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).