Problem Display
PID: 132955 (8/5PRp/7p/7K/3P1k2/8/7p/7B w - - 0 1)

Shinkman, William Anthony

Chess Journal, 1871

8/5PRp/7p/7K/3P1k2/8/7p/7B

#4

5 + 4


1829 The Theory of Pawn Promotion 1912

SOLUTION


  • SOUND
  • Keys
    • 1.Rg3!
      • threat
        • 2.f8Q+
          • 2...Kxg3
            • 3.Qf3#
        • 2.f8R+
          • 2...Kxg3
            • 3.Rf3#
      • 1...Kf5
        • 2.f8R+
          • 2...Ke6
            • 3.Rg7
              • 3...Kd6
                • 4.Rf6#

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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).