Problem Display
PID: 230783 (8/1Q5B/4p3/4k1N1/2K5/8/5B2/8 w - - 0 1)

Lawrence, Quinney

The Problemist, 1988

8/1Q5B/4p3/4k1N1/2K5/8/5B2/8

#2

5 + 2


SOLUTION


  • COOKED
  • Sets
    • 1...Kd6
      • 2.Sf7#
  • Tries
    • 1.Sf7+?
      • 1...Kf4
        • 2.Qe4#
      • 1...Kf6!
    • 1.Be3?
      • 1...Kd6
        • 2.Sf7#
      • 1...Kf6!
    • 1.Bd4+?
      • 1...Kd6
        • 2.Se4#
        • 2.Sf7#
      • 1...Kf4!
  • Keys
    • 1.Sf3+!
      • 1...Kf4
        • 2.Qe4#
      • 1...Kd6
        • 2.Bc5#
      • 1...Kf6
        • 2.Bh4#
    • 1.Bg3+!
      • 1...Kf6
        • 2.Se4#
    • 1.Bh4!
      • 1...Kf4
        • 2.Qe4#
      • 1...Kd6
        • 2.Sf7#
      • 1...Kf6
        • 2.Sf3#
    • 1.Qc7+!
      • 1...Kf6
        • 2.Se4#

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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).