Problem Display
PID: 12709 (8/6K1/6B1/8/2brN1Q1/3kp3/4R3/6r1 w - - 0 1)

Loyd, Sam

1st Prize, Frank Leslie's Illustrated Newspaper, 1856

8/6K1/6B1/8/2brN1Q1/3kp3/4R3/6r1

#3

5 + 5


1679 American Chess Nuts 1868
5206 Sam Loyd and His Chess Problems 1913

SOLUTION


  • SOUND
  • Sets
    • 1...Rd5
      • 2.Sd6+
        • 2...Kc3
          • 3.Qxc4#
        • 2...Rf5
          • 3.Qxc4#
    • 1...Rd6
      • 2.Sxd6+
        • 2...Kc3
          • 3.Qxc4#
    • 1...Rd8
      • 2.Sd6+
        • 2...Kc3
          • 3.Qxc4#
  • Keys
    • 1.Rb2!
      • threat
        • 2.Qe2#
      • 1...Rd7+
        • 2.Qxd7+
          • 2...Bd5
            • 3.Qxd5#
      • 1...Rxg4
        • 2.Sc5+
          • 2...Kc3
            • 3.Sa4#
      • 1...Rxe4
        • 2.Qxe4+
          • 2...Kc3
            • 3.Qe5#
      • 1...Rd5
        • 2.Sc5+
          • 2...Kc3
            • 3.Sa4#
      • 1...Rd6
        • 2.Sc5+
          • 2...Kc3
            • 3.Sa4#
      • 1...Rd8
        • 2.Sc5+
          • 2...Kc3
            • 3.Sa4#
      • 1...Re1
        • 2.Sc5+
          • 2...Kc3
            • 3.Sa4#
      • 1...Rg2
        • 2.Sc5+
          • 2...Kc3
            • 3.Sa4#

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).