Problem Display
PID: 148952 (1Q6/8/k4K2/3p2pp/3P2BP/2p1BP2/2P5/8 w - - 0 1)

Dawson, Thomas Rayner

Pittsburgh Sun, 1918

(First published on Sat Apr 20 1918)

1Q6/8/k4K2/3p2pp/3P2BP/2p1BP2/2P5/8

#3

8 + 5


15256 TRD Scrapbook 2013

SOLUTION


  • SOUND
  • Tries
    • 1.Qa7+?
      • 1...Kb5
        • 2.Bd7+
          • 2...Kb4
            • 3.Qc5#
            • 3.Qa4#
          • 2...Kc4
            • 3.Qc5#
            • 3.Qa4#
        • 2.Qc5+
          • 2...Ka4
            • 3.Bd7#
          • 2...Ka6
            • 3.Bc8#
      • 1...Kxa7!
    • 1.Qb4?
      • threat
        • 2.Bc8+
          • 2...Ka7
            • 3.Qb7#
      • 1...Ka7
        • 2.Bc8
          • threat
            • 3.Qb7#
          • 2...Ka8
            • 3.Qb7#
      • 1...hxg4!
    • 1.Qb5+?
      • 1...Ka7
        • 2.Bc8
          • threat
            • 3.Qb7#
          • 2...Ka8
            • 3.Qb7#
      • 1...Kxb5!
    • 1.Qb7+?
      • 1...Ka5
        • 2.Bd7
          • threat
            • 3.Qb5#
      • 1...Kxb7!
  • Keys
    • 1.Bf4!
      • threat
        • 2.Bc7
          • threat
            • 3.Bc8#
            • 3.Qb6#
      • 1...Ka5
        • 2.Bc7+
          • 2...Ka4
            • 3.Qb3#
          • 2...Ka6
            • 3.Bc8#
            • 3.Qb6#
      • 1...gxf4
        • 2.Bd7
          • 2...Ka5
            • 3.Qb5#
      • 1...hxg4
        • 2.Bc7
          • threat
            • 3.Qb6#

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).