Problem Display
PID: 181726 (5NR1/2p5/4Pk2/2p5/2p3p1/2P3K1/8/Q7 w - - 0 1)

Daniel, Arthur William

San Francisco Chronicle, 1905

5NR1/2p5/4Pk2/2p5/2p3p1/2P3K1/8/Q7

#3

6 + 5


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Kf4?
      • 1...Ke7
        • 2.Ke5
          • threat
            • 3.Sg6#
          • 2...Kd8
            • 3.Sg6#
          • 2...Ke8
            • 3.Sg6#
      • 1...c6
        • 2.Qa7
          • 2...g3
            • 3.Rg6#
            • 3.Qf7#
            • 3.Qg7#
      • 1...g3!
    • 1.Qe1?
      • 1...Kf5
        • 2.Sd7
          • 2...c6
            • 3.Qe5#
        • 2.Sh7
          • 2...c6
            • 3.Rg5#
        • 2.Qe3
          • threat
            • 3.Qf4#
          • 2...Kf6
            • 3.Qg5#
        • 2.e7
          • threat
            • 3.Qe6#
          • 2...Kf6
            • 3.Qe6#
      • 1...Ke7
        • 2.Qe5
          • threat
            • 3.Sg6#
          • 2...Kd8
            • 3.Sg6#
          • 2...Ke8
            • 3.Sg6#
      • 1...c6!
  • Keys
    • 1.Qd1!
      • 1...Ke5
        • 2.Rg5+
          • 2...Ke4
            • 3.Qe2#
          • 2...Kf6
            • 3.Qd8#
      • 1...Kf5
        • 2.Qd5+
          • 2...Kf6
            • 3.Qg5#
      • 1...Ke7
        • 2.Qd8+
          • 2...Kxd8
            • 3.Sg6#
      • 1...c6
        • 2.Qd6
          • 2...Kf5
            • 3.Qf4#

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).