Problem Display
PID: 28760 (8/8/1k3K2/8/1pP1Q3/1N6/8/8 w - - 0 1)

Loyd, Sam

Source?, 0000

8/8/1k3K2/8/1pP1Q3/1N6/8/8

#3

4 + 2


1679 American Chess Nuts 1868
5206 Sam Loyd and His Chess Problems 1913
14986 White-Hume Collection 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Qc6+?
      • 1...Ka7
        • 2.Sa5
          • threat
            • 3.Qb7#
          • 2...Kb8
            • 3.Qb7#
        • 2.Sc5
          • threat
            • 3.Qb7#
          • 2...Kb8
            • 3.Qb7#
      • 1...Kxc6!
  • Keys
    • 1.Sa5!
      • threat
        • 2.Qc6+
          • 2...Kxa5
            • 3.Qb5#
          • 2...Ka7
            • 3.Qb7#
      • 1...Kxa5
        • 2.Qc6
          • 2...b3
            • 3.Qb5#
      • 1...Kc5
        • 2.Qe3+
          • 2...Kd6
            • 3.Qe7#
      • 1...Ka6
        • 2.Qc6+
          • 2...Kxa5
            • 3.Qb5#
          • 2...Ka7
            • 3.Qb7#
        • 2.Qb7+
          • 2...Kxa5
            • 3.Qb5#
            • 3.Qa7#
      • 1...Kc7
        • 2.Qc6+
          • 2...Kb8
            • 3.Qb7#
          • 2...Kd8
            • 3.Sb7#

There are these versions: 55286

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).