Problem Display
PID: 14927 (n2R4/p1k5/p7/N7/P2P3B/1K2P3/1PN5/4R3 w - - 0 1)

Ling, John Francis

The Observer, 1956

n2R4/p1k5/p7/N7/P2P3B/1K2P3/1PN5/4R3

#3

10 + 4


SOLUTION


  • SOUND
  • Tries
    • 1.Kb4?
      • 1...Kb6
        • 2.Bg3
          • 2...Sc7
            • 3.Rd6#
            • 3.Rb8#
        • 2.Rd7
          • 2...Sc7
            • 3.Rd6#
        • 2.Rc8
          • 2...Sc7
            • 3.Rb8#
      • 1...Sb6!
    • 1.Sa3?
      • 1...Kb6
        • 2.Bg3
          • threat
            • 3.S3c4#
          • 2...Kxa5
            • 3.Sc4#
        • 2.Rc1
          • 2...Kxa5
            • 3.Sc4#
          • 2...Sc7
            • 3.S3c4#
        • 2.Rd7
          • threat
            • 3.S3c4#
          • 2...Kxa5
            • 3.Sc4#
        • 2.Rc8
          • threat
            • 3.S3c4#
          • 2...Kxa5
            • 3.Sc4#
      • 1...Sb6!
    • 1.Sb4?
      • threat
        • 2.Sd5#
      • 1...Sb6
        • 2.Sxa6#
      • 1...Kb6!
    • 1.Bg3+?
      • 1...Kb6
        • 2.Kb4
          • 2...Sc7
            • 3.Rd6#
            • 3.Rb8#
        • 2.Sa3
          • threat
            • 3.S3c4#
          • 2...Kxa5
            • 3.Sc4#
        • 2.Rxa8
          • 2...Kxa5
            • 3.Bc7#
      • 1...Kxd8!
    • 1.Rf1?
      • 1...Kb6
        • 2.Rf6+
          • 2...Kxa5
            • 3.Be1#
            • 3.Rd5#
          • 2...Kc7
            • 3.Rc6#
      • 1...Sb6!
    • 1.Rg1?
      • threat
        • 2.Rg6
          • 2...Sb6
            • 3.Rc6#
      • 1...Kb6
        • 2.Rg6+
          • 2...Kxa5
            • 3.Be1#
            • 3.Rd5#
          • 2...Kc7
            • 3.Rc6#
      • 1...Sb6!
    • 1.e4?
      • 1...Kb6
        • 2.Se3
          • 2...Kxa5
            • 3.Sc4#
          • 2...Kc7
            • 3.Sd5#
          • 2...Sc7
            • 3.Sec4#
      • 1...Sb6!
    • 1.d5?
      • 1...Sb6
        • 2.d6#
      • 1...Kb6!
  • Keys
    • 1.Rc1!
      • 1...Kb6
        • 2.Sa3
          • 2...Kxa5
            • 3.Sc4#
          • 2...Sc7
            • 3.S3c4#
      • 1...Sb6
        • 2.Sb4+
          • 2...Sc4
            • 3.Sd5#

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).