Problem Display
PID: 62914 (k7/P7/K1pb2p1/2pp1B2/p4R2/3p4/6q1/8 w - - 0 1)

Zepler, Erich Ernest

1st Prize, Berlin Chess Club, 1911

k7/P7/K1pb2p1/2pp1B2/p4R2/3p4/6q1/8

#5

4 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Bd7!
      • threat
        • 2.Bxc6#
      • 1...d4
        • 2.Rh4
          • threat
            • 3.Rh8+
              • 3...Bb8
                • 4.Rxb8#
                • 4.axb8Q#
                • 4.axb8R#
              • 3...Bf8
                • 4.Rxf8#
          • 2...Qf3
            • 3.Rh8+
              • 3...Bf8
                • 4.Rxf8+
                  • 4...Qxf8
                    • 5.Bxc6#
          • 2...Be5
            • 3.Re4
              • threat
                • 4.Bxc6#
              • 3...Qxe4
                • 4.Bc8
                  • threat
                    • 5.Bb7#
              • 3...Qb2
                • 4.Bxc6+
                  • 4...Qb7+
                    • 5.Bxb7#
          • 2...Bb8
            • 3.Rh8
              • threat
                • 4.Rxb8#
                • 4.axb8Q#
                • 4.axb8R#
              • 3...Qb2
                • 4.Bxc6+
                  • 4...Qb7+
                    • 5.Bxb7#
                • 4.axb8Q+
                  • 4...Qxb8
                    • 5.Bxc6#
                • 4.axb8R+
                  • 4...Qxb8
                    • 5.Bxc6#
          • 2...Bf8
            • 3.Rh8
              • threat
                • 4.Rxf8#
              • 3...Qf3
                • 4.Rxf8+
                  • 4...Qxf8
                    • 5.Bxc6#
              • 3...Qe4
                • 4.Rxf8+
                  • 4...Qe8
                    • 5.Bxc6#
                    • 5.Rxe8#
              • 3...Qb2
                • 4.Bxc6+
                  • 4...Qb7+
                    • 5.Bxb7#
                • 4.Rxf8+
                  • 4...Qb8
                    • 5.Bxc6#
                    • 5.Rxb8#
                    • 5.axb8Q#
                    • 5.axb8R#

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).