Problem Display
PID: 210490 (4K3/8/1P5Q/1Np1pNb1/b3kp2/5R2/4P3/8 w - - 0 1)

Bayersdorfer, Adolf Christian

Illustrirte Zeitung, 1872

4K3/8/1P5Q/1Np1pNb1/b3kp2/5R2/4P3/8

#4

7 + 6


4817 English Mechanic and World of Science 1878
15239 Valois Notebooks 2020
6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Kf7!
      • threat
        • 2.Sc3+
          • 2...Kxf5
            • 3.Qh3#
            • 3.Qe6#
        • 2.Sg3+
          • 2...Kd5
            • 3.Qe6#
          • 2...fxg3
            • 3.Qc6#
      • 1...Bb3+
        • 2.Qe6
          • threat
            • 3.Sc3#
            • 3.Sbd6#
            • 3.Sfd6#
          • 2...Bxe6+
            • 3.Kxe6
              • threat
                • 4.Sc3#
                • 4.Sbd6#
                • 4.Sfd6#
      • 1...Bxb5
        • 2.Qc6+
          • 2...Kxf5
            • 3.Rxf4+
              • 3...Kxf4
                • 4.Qf3#
              • 3...Bxf4
                • 4.Qg6#
              • 3...exf4
                • 4.Qe6#
          • 2...Bxc6
            • 3.Sd6+
              • 3...Kd4
                • 4.Rd3#
              • 3...Kd5
                • 4.Rd3#
      • 1...Bxh6
        • 2.Sbd6+
          • 2...Kd5
            • 3.Se7+
              • 3...Kd4
                • 4.Rd3#
              • 3...Kxd6
                • 4.Rd3#

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).