Problem Display
PID: 55599 (7B/8/4pN1k/2K3n1/pPpN2p1/r3p1P1/1p4B1/bQ6 w - - 0 1)

Pierce, James

Source?, 0000

7B/8/4pN1k/2K3n1/pPpN2p1/r3p1P1/1p4B1/bQ6

#4

8 + 10


1693 English Chess Problems 1876

SOLUTION


  • COOKED
  • Keys
    • 1.Ba8!
      • threat
        • 2.Qh1+
          • 2...Sh3
            • 3.Qb7
              • threat
                • 4.Qg7#
              • 3...Kg5
                • 4.Qg7#
              • 3...Kg6
                • 4.Qg7#
      • 1...Se4+
        • 2.Bxe4
          • threat
            • 3.Qh1+
              • 3...Kg5
                • 4.Sxe6#
                • 4.Sh7#
                • 4.Qh4#
                • 4.Qh5#
            • 3.Sxe6
              • threat
                • 4.Bg7#
                • 4.Qh1#
            • 3.Sh7
              • threat
                • 4.Qh1#
              • 3...Kh5
                • 4.Qh1#
          • 2...Kg5
            • 3.Sxe6+
              • 3...Kh6
                • 4.Bg7#
                • 4.Qh1#
            • 3.Sh7+
              • 3...Kh5
                • 4.Qh1#
              • 3...Kh6
                • 4.Qh1#
            • 3.Bg7
              • threat
                • 4.Sxe6#
              • 3...e5
                • 4.Se6#
            • 3.Qh1
              • threat
                • 4.Sxe6#
                • 4.Sh7#
                • 4.Qh4#
                • 4.Qh5#
    • 1.Qh1+!
      • 1...Sh3
        • 2.Bxh3
          • threat
            • 3.Bf1+
              • 3...Kg5
                • 4.Qh5#
              • 3...Kg6
                • 4.Qh5#
            • 3.Bg2+
              • 3...Kg5
                • 4.Qh5#
              • 3...Kg6
                • 4.Qh5#
            • 3.Bxg4+
              • 3...Kg5
                • 4.Qh5#
              • 3...Kg6
                • 4.Qh5#
            • 3.Qb7
              • threat
                • 4.Qg7#
              • 3...Kg5
                • 4.Qg7#
              • 3...Kg6
                • 4.Qg7#
          • 2...Kg5
            • 3.Bxg4
              • threat
                • 4.Qh5#
              • 3...Kg6
                • 4.Qh5#
            • 3.Bf1
              • threat
                • 4.Qh5#
              • 3...Kg6
                • 4.Qh5#
            • 3.Bg2
              • threat
                • 4.Qh5#
              • 3...Kg6
                • 4.Qh5#
          • 2...Kg6
            • 3.Qb7
              • threat
                • 4.Qg7#
              • 3...Kg5
                • 4.Qg7#
              • 3...Kh6
                • 4.Qg7#

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).