Problem Display
PID: 133287 (8/5Pk1/4B2p/6NK/8/8/8/8 w - - 0 1)

Cook, Eugene Beauharnais

The Theory of Pawn Promotion, 1912

8/5Pk1/4B2p/6NK/8/8/8/8

#4

4 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Sh7!
      • threat
        • 2.f8Q+
          • 2...Kxh7
            • 3.Bf5#
            • 3.Qxh6#
            • 3.Qg8#
      • 1...Kxh7
        • 2.f8B
          • 2...Kh8
            • 3.Kg6
              • 3...h5
                • 4.Bg7#

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).