Problem Display
PID: 58160 (1K4b1/8/k4br1/1p1Np2Q/2p1P3/1p4p1/8/8 w - - 0 1)

CW of Sunbury (Charles White)

British Chess Magazine, 1885

1K4b1/8/k4br1/1p1Np2Q/2p1P3/1p4p1/8/8

#4

4 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Qd1!
      • threat
        • 2.Qa1#
      • 1...Bxd5
        • 2.Qa1+
          • 2...Kb6
            • 3.Qa7+
              • 3...Kc6
                • 4.Qc7#
      • 1...b4
        • 2.Sc7+
          • 2...Ka5
            • 3.Qd7
              • threat
                • 4.Qb5#
              • 3...Kb6
                • 4.Qb5#
          • 2...Kb6
            • 3.Qd6+
              • 3...Ka5
                • 4.Qa6#
      • 1...Bd8
        • 2.Qa1+
          • 2...Ba5
            • 3.Sb4+
              • 3...Kb6
                • 4.Qg1#

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).