Problem Display
PID: 233081 (8/8/8/2k5/R2NPR2/K7/4P3/8 w - - 0 1)

Bukofzer, Maxwell

Chess Review, 1939

8/8/8/2k5/R2NPR2/K7/4P3/8

#4

6 + 1


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.e5!
      • 1...Kd5
        • 2.Ra5+
          • 2...Kc4
            • 3.Sb3+
              • 3...Kc3
                • 4.Rc5#
            • 3.Sf3+
              • 3...Kc3
                • 4.Rc5#
            • 3.Kb2
              • 3...Kb4
                • 4.Sb3#
                • 4.Sc6#
      • 1...Kb6
        • 2.Rb4+
          • 2...Ka5
            • 3.Rf8
              • 3...Ka6
                • 4.Ra8#
          • 2...Kc5
            • 3.Kb3
              • 3...Kd5
                • 4.Rb5#
          • 2...Ka6
            • 3.Rf7
              • 3...Ka5
                • 4.Ra7#
          • 2...Ka7
            • 3.Rf6
              • 3...Ka8
                • 4.Ra6#
            • 3.Rf8
              • 3...Ka6
                • 4.Ra8#
          • 2...Kc7
            • 3.Rf8
              • 3...Kd7
                • 4.Rb7#

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).