Problem Display
PID: 142474 (5K2/3p4/8/1P1kBp2/2rP4/8/Q3bN2/8 w - - 0 1)

Markwick, Frederick W

Stratford Express, 1905

5K2/3p4/8/1P1kBp2/2rP4/8/Q3bN2/8

#3

6 + 5


14867 BCPS Library 2011

SOLUTION


  • SOUND
  • Tries
    • 1.Qa8+?
      • 1...Ke6
        • 2.Qe8+
          • 2...Kd5
            • 3.Qxd7#
            • 3.Qf7#
      • 1...Rc6!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sf4+
          • 2...Ke4
            • 3.Qxe2#
        • 2.Sc5
          • threat
            • 3.Qa8#
      • 1...Ke4
        • 2.Qxe2+
          • 2...Kd5
            • 3.Sf4#
      • 1...Bxd3
        • 2.Qg2+
          • 2...Ke6
            • 3.Qg8#
          • 2...Be4
            • 3.Qg8#
      • 1...Bd1
        • 2.Sc5
          • threat
            • 3.Qa8#
          • 2...Ba4
            • 3.Qg2#
      • 1...Bf1
        • 2.Sc5
          • threat
            • 3.Qa8#
      • 1...Bf3
        • 2.Sc5
          • threat
            • 3.Qa8#
      • 1...Bg4
        • 2.Sc5
          • threat
            • 3.Qa8#
      • 1...Bh5
        • 2.Sc5
          • threat
            • 3.Qa8#
      • 1...f4
        • 2.Sc5
          • threat
            • 3.Qa8#
      • 1...d6
        • 2.Sf4+
          • 2...Ke4
            • 3.Qxe2#

FEATURES


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).