Problem Display
PID: 211477 (8/1p6/1R3N2/4k3/3p3p/K2P3P/4PP2/8 w - - 0 1)

JB of Bridport (Brown, John)

Chess Strategy, 1865

8/1p6/1R3N2/4k3/3p3p/K2P3P/4PP2/8

#4

7 + 4


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Se4!
      • threat
        • 2.Rf6
          • threat
            • 3.f4+
              • 3...Kd5
                • 4.Rd6#
          • 2...Kd5
            • 3.f4
              • threat
                • 4.Rd6#
      • 1...Kf4
        • 2.Rf6+
          • 2...Ke5
            • 3.f4+
              • 3...Kd5
                • 4.Rd6#
      • 1...Kd5
        • 2.e3
          • threat
            • 3.f4
              • 3...dxe3
                • 4.Rd6#
          • 2...Ke5
            • 3.f4+
              • 3...Kd5
                • 4.Rd6#
              • 3...Kf5
                • 4.Rf6#
          • 2...dxe3
            • 3.f4
              • threat
                • 4.Rd6#
              • 3...Kd4
                • 4.Rd6#
      • 1...Kf5
        • 2.Rf6+
          • 2...Ke5
            • 3.f4+
              • 3...Kd5
                • 4.Rd6#

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).