Problem Display
PID: 196284 (8/3p2R1/6N1/1p1K2Pk/5Pp1/p6p/r2p3R/3B2n1 w - - 0 1)

Holroyd, GC

The Observer, 1943

(First published on Sun Apr 11 1943)

8/3p2R1/6N1/1p1K2Pk/5Pp1/p6p/r2p3R/3B2n1

#3

7 + 9


15239 Valois Notebooks 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Ra1
      • 2.Rh7+
        • 2...Kxg6
          • 3.Bc2#
    • 1...Rc2
      • 2.Rh7+
        • 2...Kxg6
          • 3.Bxc2#
    • 1...Se2
      • 2.Rxh3+
        • 2...gxh3
          • 3.Bxe2#
    • 1...Sf3
      • 2.Rxh3+
        • 2...Sh4
          • 3.Rxh4#
        • 2...gxh3
          • 3.Bxf3#
  • Tries
    • 1.Ke4?
      • threat
        • 2.Kf5
          • threat
            • 3.Bxg4#
            • 3.Rh7#
      • 1...Se2
        • 2.Rxh3+
          • 2...gxh3
            • 3.Bxe2#
      • 1...Sf3
        • 2.Rxh3+
          • 2...Sh4
            • 3.Rxh4#
          • 2...gxh3
            • 3.Bxf3#
      • 1...Rc2!
    • 1.Ke5?
      • threat
        • 2.Kf5
          • threat
            • 3.Bxg4#
            • 3.Rh7#
        • 2.Kf6
          • threat
            • 3.Rh7#
      • 1...Rc2
        • 2.Rh7+
          • 2...Kxg6
            • 3.Bxc2#
      • 1...Se2
        • 2.Kf6
          • threat
            • 3.Rh7#
          • 2...g3
            • 3.Bxe2#
        • 2.Rxh3+
          • 2...gxh3
            • 3.Bxe2#
      • 1...Sf3+!
  • Keys
    • 1.Rh1!
      • threat
        • 2.Rxg1
          • threat
            • 3.Bxg4#
      • 1...Ra1
        • 2.Rh7+
          • 2...Kxg6
            • 3.Bc2#
      • 1...Rc2
        • 2.Rh7+
          • 2...Kxg6
            • 3.Bxc2#
      • 1...Se2
        • 2.Rxh3+
          • 2...gxh3
            • 3.Bxe2#
      • 1...Sf3
        • 2.Rxh3+
          • 2...Sh4
            • 3.Rxh4#
          • 2...gxh3
            • 3.Bxf3#
      • 1...h2
        • 2.Rxh2+
          • 2...Sh3
            • 3.Rxh3#

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).