Problem Display
PID: 231014 (6b1/Q1p1K3/2P1p3/3p1Pp1/B2Nk3/1P1p2B1/3P4/8 w - - 0 1)

Abbott, Joseph William

English Mechanic and World of Science, 1879

(First published on Fri Oct 31 1879)

6b1/Q1p1K3/2P1p3/3p1Pp1/B2Nk3/1P1p2B1/3P4/8

#4

9 + 7


15239 Valois Notebooks 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Bb5!
      • threat
        • 2.Qa1
          • threat
            • 3.Qe1+
              • 3...Kxd4
                • 4.Bf2#
                • 4.Qe3#
            • 3.Qc3
              • threat
                • 4.Bxd3#
                • 4.Qxd3#
            • 3.Qg1
              • threat
                • 4.Qe3#
      • 1...exf5
        • 2.Qa1
          • threat
            • 3.Qe1+
              • 3...Kxd4
                • 4.Bf2#
                • 4.Qe3#
          • 2...f4
            • 3.Qe1+
              • 3...Kxd4
                • 4.Bf2#
      • 1...e5
        • 2.Qa1
          • threat
            • 3.Qe1+
              • 3...Kxd4
                • 4.Bf2#
                • 4.Qe3#
            • 3.Qh1+
              • 3...Kxd4
                • 4.Bf2#
            • 3.Qc3
              • threat
                • 4.Bxd3#
                • 4.Qxd3#
          • 2...exd4
            • 3.Qd1
              • threat
                • 4.Qg4#
              • 3...Kxf5
                • 4.Bxd3#
              • 3...g4
                • 4.Qxg4#
            • 3.Qf1
              • threat
                • 4.Bxd3#
                • 4.Qxd3#

FEATURES


NOT CLASSIFIED


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).