Problem Display
PID: 65623 (8/4B3/1p2b3/1Nnp1p2/rp2k1pP/1Nb4r/4KQ2/8 w - - 0 1)

Bayer, Konrad

Schachzeitung der Berliner Schachgesellschaft, 1857

8/4B3/1p2b3/1Nnp1p2/rp2k1pP/1Nb4r/4KQ2/8

#4

6 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Sd2+!
      • 1...Ke5
        • 2.Sd4
          • threat
            • 3.Sc6#
          • 2...Re3+
            • 3.Qxe3+
              • 3...Se4
                • 4.Sc6#
          • 2...Bxd2
            • 3.Sc6+
              • 3...Ke4
                • 4.Qd4#
          • 2...Bxd4
            • 3.Qxd4+
              • 3...Kxd4
                • 4.Bf6#
          • 2...Rf3
            • 3.Sc6+
              • 3...Kf4
                • 4.Bg5#
          • 2...Bd7
            • 3.Qf4+
              • 3...Kxf4
                • 4.Bd6#
          • 2...Bf7
            • 3.Qf4+
              • 3...Kxf4
                • 4.Bd6#
            • 3.Qxf5+
              • 3...Kxd4
                • 4.Bf6#
                • 4.Qf6#
          • 2...Bc8
            • 3.Qf4+
              • 3...Kxf4
                • 4.Bd6#
          • 2...Bg8
            • 3.Qf4+
              • 3...Kxf4
                • 4.Bd6#
            • 3.Qxf5+
              • 3...Kxd4
                • 4.Bf6#
                • 4.Qf6#
          • 2...f4
            • 3.Qxf4+
              • 3...Kxf4
                • 4.Bd6#

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).