Problem Display
PID: 153072 (8/K7/3N4/5PB1/2p2Pbp/2p1k1bR/4P2R/1Q6 w - - 0 1)

Harley, Brian

The Observer, 1936

(First published on Sun Aug 30 1936)

8/K7/3N4/5PB1/2p2Pbp/2p1k1bR/4P2R/1Q6

#3

9 + 6


15290 Harley Scrapbook 2014
15239 Valois Notebooks 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Kd2
      • 2.Sxc4#
    • 1...Kd4
      • 2.Qb6+
        • 2...Kd5
          • 3.e4#
    • 1...c2
      • 2.Qg1+
        • 2...Kd2
          • 3.Se4#
  • Tries
    • 1.Bf6?
      • threat
        • 2.Qc1#
      • 1...Kd2
        • 2.Sxc4#
      • 1...Kxf4
        • 2.Qe4#
        • 2.Qc1#
      • 1...Bxe2!
    • 1.Qc2?
      • threat
        • 2.Qxc3#
      • 1...Bxe2
        • 2.Kb6
          • 2...Kf3
            • 3.Qxe2#
          • 2...Kd4
            • 3.Qe4#
          • 2...Bd1
            • 3.Qe4#
            • 3.Qxc3#
          • 2...Bf1
            • 3.Qe4#
          • 2...Bd3
            • 3.Qf2#
          • 2...Bf3
            • 3.Qxc3#
          • 2...Bg4
            • 3.Qe4#
            • 3.Qxc3#
          • 2...Bh5
            • 3.Qe4#
            • 3.Qxc3#
      • 1...Kd4!
  • Keys
    • 1.Kb6!
      • threat
        • 2.Sxc4+
          • 2...Kd4
            • 3.Qd3#
      • 1...Bxe2
        • 2.Qc2
          • 2...Kf3
            • 3.Qxe2#
          • 2...Kd4
            • 3.Qe4#
          • 2...Bd1
            • 3.Qe4#
            • 3.Qxc3#
          • 2...Bf1
            • 3.Qe4#
          • 2...Bd3
            • 3.Qf2#
          • 2...Bf3
            • 3.Qxc3#
          • 2...Bg4
            • 3.Qe4#
            • 3.Qxc3#
          • 2...Bh5
            • 3.Qe4#
            • 3.Qxc3#
      • 1...Bxf5
        • 2.Kc5
          • threat
            • 3.Sxc4#
            • 3.Qc1#
          • 2...Kd2
            • 3.Sxc4#
          • 2...Bxb1
            • 3.f5#
      • 1...c2
        • 2.Qc1+
          • 2...Kd4
            • 3.Qd2#
        • 2.Qg1+
          • 2...Kd2
            • 3.Se4#

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).