Problem Display
PID: 19585 (8/8/5p2/4p3/2K1Nk2/8/8/4Q3 w - - 0 1)

Loyd, Sam

New York Clipper, 1856

8/8/5p2/4p3/2K1Nk2/8/8/4Q3

#4

3 + 3


3757 Schachminiaturen I 1902
5206 Sam Loyd and His Chess Problems 1913

SOLUTION


  • SOUND
  • Keys
    • 1.Qg1!
      • 1...Kf3
        • 2.Kd3
          • threat
            • 3.Qg3#
          • 2...Kf4
            • 3.Qg6
              • 3...Kf3
                • 4.Qg3#
              • 3...f5
                • 4.Qg3#
      • 1...Kxe4
        • 2.Qf2
          • 2...f5
            • 3.Qg3
              • 3...f4
                • 4.Qd3#
      • 1...Kf5
        • 2.Kd5
          • 2...Kf4
            • 3.Qg3+
              • 3...Kf5
                • 4.Sd6#
      • 1...f5
        • 2.Qf2+
          • 2...Kxe4
            • 3.Qg3
              • 3...f4
                • 4.Qd3#
          • 2...Kg4
            • 3.Qg3+
              • 3...Kh5
                • 4.Qg5#

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).