Problem Display
PID: 175825 (n2K4/4nQ2/1pp5/1B3pNR/1b2Pk2/8/2Pp1P2/3r4 w - - 0 1)

Bayersdorfer, Adolf Christian

Akademische Monatshefte fur Schach, 1898

n2K4/4nQ2/1pp5/1B3pNR/1b2Pk2/8/2Pp1P2/3r4

#4

8 + 9


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.e5!
      • threat
        • 2.Rh4+
          • 2...Kxe5
            • 3.Qe6#
          • 2...Kxg5
            • 3.Qh5#
            • 3.Qf6#
      • 1...Kg4
        • 2.Be2+
          • 2...Kf4
            • 3.Rh4+
              • 3...Kxe5
                • 4.Qe6#
              • 3...Kxg5
                • 4.Qh5#
                • 4.Qf6#
            • 3.Sf3
              • threat
                • 4.Rh4#
                • 4.Qc4#
              • 3...Ke4
                • 4.Qc4#
              • 3...Kg4
                • 4.Rh4#
      • 1...Kxe5
        • 2.Qg7+
          • 2...Kd5
            • 3.c4+
              • 3...Kc5
                • 4.Se4#
              • 3...Kd6
                • 4.Qxe7#
          • 2...Kd6
            • 3.Qd4+
              • 3...Sd5
                • 4.Rh6#
      • 1...Rg1
        • 2.Qc4+
          • 2...Kxe5
            • 3.f4+
              • 3...Kd6
                • 4.Sf7#
              • 3...Kf6
                • 4.Qf7#
      • 1...Rh1
        • 2.Qc4+
          • 2...Kxe5
            • 3.f4+
              • 3...Kd6
                • 4.Sf7#
              • 3...Kf6
                • 4.Qf7#
      • 1...Sg6
        • 2.Qxf5+
          • 2...Kxf5
            • 3.Se6+
              • 3...Ke4
                • 4.Bxc6#
              • 3...Kg4
                • 4.Be2#
              • 3...Kxe6
                • 4.Bc4#
      • 1...Sc7
        • 2.Qc4+
          • 2...Kxe5
            • 3.f4+
              • 3...Kd6
                • 4.Sf7#
              • 3...Kf6
                • 4.Qf7#

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).