Problem Display
PID: 36567 (8/kp6/NNp3pQ/6K1/1P6/8/8/8 w - - 0 1)

Lawton, Howard

Yorkshire Telegraph and Star, 1934

8/kp6/NNp3pQ/6K1/1P6/8/8/8

#3

5 + 4


SOLUTION


  • SOUND
  • Tries
    • 1.Sc5?
      • threat
        • 2.Qg7
          • threat
            • 3.Qxb7#
          • 2...Kxb6
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
        • 2.Qh7
          • threat
            • 3.Qxb7#
          • 2...Kxb6
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
      • 1...Kb8
        • 2.Qg7
          • 2...Ka7
            • 3.Qxb7#
        • 2.Qh7
          • 2...Ka7
            • 3.Qxb7#
      • 1...Kxb6!
    • 1.Qg7?
      • threat
        • 2.Sc5
          • threat
            • 3.Qxb7#
          • 2...Kxb6
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
      • 1...Kxa6
        • 2.Qa1+
          • 2...Kb5
            • 3.Qa5#
          • 2...Kxb6
            • 3.Qa5#
      • 1...c5
        • 2.Sxc5
          • threat
            • 3.Qxb7#
          • 2...Kxb6
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
      • 1...Kxb6!
  • Keys
    • 1.Qf8!
      • 1...Kxa6
        • 2.Qa8+
          • 2...Kb5
            • 3.Qa5#
          • 2...Kxb6
            • 3.Qa5#
      • 1...Kxb6
        • 2.Qc5+
          • 2...Kxa6
            • 3.Qa5#
      • 1...bxa6
        • 2.Qa8+
          • 2...Kxb6
            • 3.Qb8#
      • 1...c5
        • 2.Qxc5
          • 2...Kxa6
            • 3.Qa5#
          • 2...bxa6
            • 3.Qc7#

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).