Problem Display
PID: 24843 (b2N4/8/p2Np3/k2P4/3B4/K7/8/8 w - - 0 1)

Young, Brian WM

The Observer, 1962

b2N4/8/p2Np3/k2P4/3B4/K7/8/8

#3

5 + 4


SOLUTION


  • SOUND
  • Sets
    • 1...Bc6
      • 2.Sxc6#
    • 1...Bb7
      • 2.S8xb7#
    • 1...exd5
      • 2.Kb3
        • 2...Bc6
          • 3.Sxc6#
        • 2...Bb7
          • 3.S8xb7#
  • Keys
    • 1.S8f7!
      • threat
        • 2.Sc4+
          • 2...Kb5
            • 3.Sfd6#
      • 1...Bxd5
        • 2.Se5
          • 2...Bh1
            • 3.Sec4#
          • 2...Ba2
            • 3.Sc6#
          • 2...Bg2
            • 3.Sec4#
          • 2...Bb3
            • 3.Sc6#
          • 2...Bf3
            • 3.Sec4#
          • 2...Bc4
            • 3.Sexc4#
            • 3.Sc6#
          • 2...Be4
            • 3.Sec4#
          • 2...Bc6
            • 3.Sec4#
            • 3.Sxc6#
          • 2...Bb7
            • 3.Sec4#
          • 2...Ba8
            • 3.Sec4#
      • 1...exd5
        • 2.Sd8
          • 2...Bc6
            • 3.Sxc6#
          • 2...Bb7
            • 3.S8xb7#

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).