Problem Display
PID: 132787 (4B3/p6p/p2B3K/P3P3/P2pk3/3p4/3P2P1/8 w - - 0 1)

Decker, Adolfph L

The Theory of Pawn Promotion, 1912

4B3/p6p/p2B3K/P3P3/P2pk3/3p4/3P2P1/8

#5

8 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Bd7!
      • 1...Kf4
        • 2.e6+
          • 2...Ke4
            • 3.e7
              • 3...Kd5
                • 4.e8S
                  • 4...Kc4
                    • 5.Be6#
                  • 4...Ke4
                    • 5.Sf6#
          • 2...Kf5
            • 3.e7+
              • 3...Ke4
                • 4.e8Q+
                  • 4...Kd5
                    • 5.Qe6#
              • 3...Kf6
                • 4.e8R
                  • 4...Kf7
                    • 5.Rf8#
      • 1...Kd5
        • 2.Bf5
          • 2...Kc6
            • 3.Be6
              • 3...Kb7
                • 4.Bd7
                  • 4...Ka8
                    • 5.Bc6#

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).