Problem Display
PID: 135517 (8/3p4/K1p5/2B2p2/2k1pP2/1NP5/2Q5/8 w - - 0 1)

Challenger, Alfred Clement

The Field, 1916

(First published on Sat Feb 19 1916)

8/3p4/K1p5/2B2p2/2k1pP2/1NP5/2Q5/8

#3

6 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...d5
      • 2.Bd4
        • threat
          • 3.Sd2#
          • 3.Sa5#
  • Tries
    • 1.Kb6?
      • threat
        • 2.Sc1
          • threat
            • 3.Qb3#
          • 2...Kd5
            • 3.Qb3#
            • 3.Qa2#
        • 2.Sd2+
          • 2...Kd5
            • 3.Qb3#
            • 3.Qa2#
        • 2.Sa5+
          • 2...Kd5
            • 3.Qb3#
            • 3.Qa2#
      • 1...e3
        • 2.Sa5+
          • 2...Kd5
            • 3.Qxf5#
      • 1...Kd5!
    • 1.Sa5+?
      • 1...Kd5
        • 2.Qb3+
          • 2...Kxc5
            • 3.Sb7#
        • 2.Qa2+
          • 2...Kxc5
            • 3.Sb7#
      • 1...Kxc5!
    • 1.Qd1?
      • threat
        • 2.Sa1
          • threat
            • 3.Qd4#
          • 2...Kxc3
            • 3.Qc2#
            • 3.Qd4#
          • 2...Kxc5
            • 3.Qd4#
        • 2.Bb4
          • threat
            • 3.Sa5#
      • 1...d5
        • 2.Bd4
          • threat
            • 3.Sa5#
      • 1...d6
        • 2.Bb4
          • threat
            • 3.Sa5#
      • 1...Kxc3!
  • Keys
    • 1.Qa2!
      • 1...Kxc3
        • 2.Sa1
          • threat
            • 3.Qc2#
          • 2...Kd3
            • 3.Qc2#
      • 1...Kd3
        • 2.Bd4
          • threat
            • 3.Sc1#
            • 3.Sc5#
          • 2...Kc4
            • 3.Sc1#
            • 3.Sc5#
      • 1...Kd5
        • 2.Sa5+
          • 2...Kxc5
            • 3.Sb7#
      • 1...e3
        • 2.Bb4
          • threat
            • 3.Sc1#
            • 3.Sc5#
          • 2...Kd3
            • 3.Sc5#
          • 2...Kd5
            • 3.Sd2#
      • 1...d5
        • 2.Bd4
          • threat
            • 3.Sc1#
            • 3.Sc5#
          • 2...Kd3
            • 3.Sc1#
            • 3.Sc5#
      • 1...d6
        • 2.Bd4
          • threat
            • 3.Sc1#
            • 3.Sc5#
          • 2...Kd3
            • 3.Sc1#
          • 2...Kd5
            • 3.Sa1#
            • 3.Sc1#
            • 3.Sd2#
            • 3.Sa5#
            • 3.Sc5#

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).