Problem Display
PID: 12723 (8/8/2p5/2K2p2/5P2/4NB2/5kP1/7Q w - - 0 1)

Loyd, Sam

Baltimore Dispatch, 1859

8/8/2p5/2K2p2/5P2/4NB2/5kP1/7Q

#3

6 + 3


153 La Strategie 1867
1679 American Chess Nuts 1868
4817 English Mechanic and World of Science 1884
5206 Sam Loyd and His Chess Problems 1913

SOLUTION


  • SOUND
  • Sets
    • 1...Kg3
      • 2.Qh4+
        • 2...Kxh4
          • 3.Sxf5#
  • Tries
    • 1.Kd4?
      • 1...Kg3
        • 2.Qh4+
          • 2...Kxh4
            • 3.Sxf5#
      • 1...c5+!
    • 1.Kxc6?
      • 1...Kg3
        • 2.Qh4+
          • 2...Kxh4
            • 3.Sxf5#
      • 1...Kxe3!
    • 1.Sg4+?
      • 1...Kg3
        • 2.Qh2#
      • 1...fxg4!
    • 1.Bd1?
      • 1...Kg3
        • 2.Qh4+
          • 2...Kxh4
            • 3.Sxf5#
      • 1...Kxe3!
    • 1.Qa1?
      • 1...Kxe3
        • 2.Qd4#
      • 1...Kg3!
    • 1.Qd1?
      • 1...Kxe3
        • 2.Qd4#
      • 1...Kg3!
    • 1.Qg1+?
      • 1...Kg3
        • 2.Sf1+
          • 2...Kxf4
            • 3.Qe3#
          • 2...Kh4
            • 3.Qf2#
            • 3.Qh2#
            • 3.Qh1#
      • 1...Kxg1!
    • 1.Qh2?
      • 1...Ke1
        • 2.g4
          • 2...fxg4
            • 3.Qe2#
      • 1...Kxe3!
    • 1.Qh4+?
      • 1...Kg1
        • 2.Sd1
          • 2...Kf1
            • 3.Qf2#
            • 3.Qh1#
        • 2.Sc2
          • 2...Kf1
            • 3.Qe1#
        • 2.g4
          • 2...fxg4
            • 3.Qg3#
      • 1...Kxe3!
  • Keys
    • 1.Qh8!
      • 1...Ke1
        • 2.Sd1
          • 2...Kf1
            • 3.Qh1#
          • 2...Kd2
            • 3.Qc3#
      • 1...Kg1
        • 2.Sd1
          • 2...Kf1
            • 3.Qh1#
      • 1...Kg3
        • 2.Qh4+
          • 2...Kxh4
            • 3.Sxf5#

FEATURES


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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).