Problem Display
PID: 28979 (8/7b/4pp2/2P1kN1Q/3N4/2P5/8/3K4 w - - 0 1)

Loyd, Sam

New Jersey Chess Association Solving Ty., 1906

8/7b/4pp2/2P1kN1Q/3N4/2P5/8/3K4

#3

6 + 4


5206 Sam Loyd and His Chess Problems 1913

SOLUTION


  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qf3+
        • 2...Ke5
          • 3.Sc6#
    • 1...Bg8
      • 2.Qf3
        • threat
          • 3.Sc6#
        • 2...exf5
          • 3.Qxf5#
  • Tries
    • 1.Qe2+?
      • 1...Kd5
        • 2.Qxe6+
          • 2...Kxc5
            • 3.Qc6#
      • 1...Kf4!
  • Keys
    • 1.c4!
      • threat
        • 2.Qf3
          • threat
            • 3.Sc6#
            • 3.Qe3#
      • 1...Ke4
        • 2.Qf3+
          • 2...Ke5
            • 3.Sc6#
            • 3.Qe3#
      • 1...Kf4
        • 2.Qh6+
          • 2...Ke4
            • 3.Qe3#
          • 2...Kg4
            • 3.Qh4#
          • 2...Ke5
            • 3.Qe3#
      • 1...Bxf5
        • 2.Sxe6
          • 2...Ke4
            • 3.Qe2#
          • 2...Kxe6
            • 3.Qe8#
      • 1...exf5
        • 2.Se6
          • threat
            • 3.Qe2#
          • 2...Ke4
            • 3.Qe2#
          • 2...Kxe6
            • 3.Qe8#

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).