Problem Display
PID: 29243 (3K4/8/1p6/N2k4/pQ6/N7/5P2/8 w - - 0 1)

Dobbs, Gilbert S

Chess, 1937

3K4/8/1p6/N2k4/pQ6/N7/5P2/8

#3

5 + 3


5454 Near Snap 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Qc4+?
      • 1...Kd6
        • 2.Sc6
          • 2...b5
            • 3.Sxb5#
        • 2.f4
          • threat
            • 3.Sb5#
            • 3.Sb7#
            • 3.Qc6#
      • 1...Ke5!
    • 1.Qe4+?
      • 1...Kc5
        • 2.Sb7#
      • 1...Kd6
        • 2.Sb7#
      • 1...Kxe4!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qf5+
          • 2...Kd4
            • 3.Sb5#
          • 2...Kd6
            • 3.S3c4#
            • 3.Sb5#
      • 1...Kc5
        • 2.Qe5+
          • 2...Kb4
            • 3.Sc2#
      • 1...Ke6
        • 2.Sb5
          • threat
            • 3.Sc7#
          • 2...Kd5
            • 3.Qf5#
      • 1...bxa5
        • 2.Kd7
          • 2...Kc5
            • 3.Qd6#
      • 1...b5
        • 2.Qf5+
          • 2...Kd4
            • 3.Sxb5#
          • 2...Kd6
            • 3.Sxb5#

Anticipated by 213769(1928)

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).