Problem Display
PID: 43952 (6K1/3Rp3/BBk1P1n1/P7/8/P5N1/2bnP3/8 w - - 0 1)

Pierce, James

The Westminster Papers, 1877

6K1/3Rp3/BBk1P1n1/P7/8/P5N1/2bnP3/8

#4

9 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.a4!
      • threat
        • 2.Bb5#
        • 2.Bb7#
      • 1...Bxa4
        • 2.Sf5
          • threat
            • 3.Sd4#
          • 2...Sb3
            • 3.Ba7
              • 3...Sxa5
                • 4.Sd4#
              • 3...Bb5
                • 4.Bb7#
              • 3...Sa1
                • 4.Sd4#
              • 3...Sc1
                • 4.Sd4#
              • 3...Sd2
                • 4.Sd4#
              • 3...Sd4
                • 4.Sxd4#
              • 3...Sc5
                • 4.Sd4#
              • 3...Sf4
                • 4.Sxe7#
              • 3...Sh4
                • 4.Sxe7#
              • 3...Se5
                • 4.Sxe7#
              • 3...Sf8
                • 4.Sxe7#
              • 3...Sh8
                • 4.Sxe7#
          • 2...Sf3
            • 3.exf3
              • threat
                • 4.Sd4#
            • 3.Bc4
              • threat
                • 4.Rc7#
            • 3.e4
              • threat
                • 4.Rc7#

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).