Problem Display
PID: 221265 (4R1r1/4NbQ1/8/4Bp1q/n1PpN3/4k3/2K2pP1/8 w - - 0 1)

Blackburne, Joseph Henry

Manchester Express, 1861

4R1r1/4NbQ1/8/4Bp1q/n1PpN3/4k3/2K2pP1/8

#3

8 + 8


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Rxe8
      • 2.Qg3+
        • 2...Ke2
          • 3.Qxf2#
        • 2...Kxe4
          • 3.Qf4#
        • 2...Qf3
          • 3.Qxf3#
    • 1...Rf8
      • 2.Qg3+
        • 2...Ke2
          • 3.Qxf2#
        • 2...Kxe4
          • 3.Qf4#
        • 2...Qf3
          • 3.Qxf3#
    • 1...Rh8
      • 2.Qg3+
        • 2...Ke2
          • 3.Qxf2#
        • 2...Kxe4
          • 3.Qf4#
        • 2...Qf3
          • 3.Qxf3#
  • Tries
    • 1.Bxd4+?
      • 1...Kf4
        • 2.Qe5+
          • 2...Kg4
            • 3.Qg3#
      • 1...Ke2!
    • 1.Qg3+?
      • 1...Ke2
        • 2.Qxf2#
      • 1...Kxe4
        • 2.Qf4#
      • 1...Qf3
        • 2.Qxf3#
      • 1...Rxg3!
  • Keys
    • 1.Bf4+!
      • 1...Ke2
        • 2.Sg3+
          • 2...Ke1
            • 3.Bd2#
        • 2.Qxd4
          • threat
            • 3.Qxf2#
            • 3.Qd1#
          • 2...Ke1
            • 3.Qxf2#
          • 2...Kf1
            • 3.Qxf2#
          • 2...f1Q
            • 3.Qe3#
            • 3.Qd2#
          • 2...f1R
            • 3.Qe3#
            • 3.Qd2#
      • 1...Kxf4
        • 2.Qe5+
          • 2...Ke3
            • 3.Sd2#
            • 3.Sc3#
            • 3.Sg3#
            • 3.Sc5#
            • 3.Sg5#
            • 3.Sd6#
            • 3.Sf6#
          • 2...Kg4
            • 3.Qg3#
          • 2...Kxe5
            • 3.Sg6#

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).