Problem Display
PID: 227307 (k7/2R5/1P6/1K2b3/5p2/5P2/8/8 w - - 0 1)

Mihalek, Frederick M

US Problem Bulletin, 1985

k7/2R5/1P6/1K2b3/5p2/5P2/8/8

#4

4 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Kc6!
      • 1...Kb8
        • 2.Re7
          • threat
            • 3.Re8#
          • 2...Ka8
            • 3.Rxe5
              • 3...Kb8
                • 4.Re8#
          • 2...Bf6
            • 3.Re8+
              • 3...Bd8
                • 4.Rxd8#
          • 2...Bc7
            • 3.Re8+
              • 3...Bd8
                • 4.Rxd8#
            • 3.bxc7+
              • 3...Ka7
                • 4.c8Q#
              • 3...Ka8
                • 4.c8Q#
                • 4.c8R#
              • 3...Kc8
                • 4.Re8#
            • 3.Rxc7
              • 3...Ka8
                • 4.Rc8#
      • 1...Bxc7
        • 2.bxc7
          • 2...Ka7
            • 3.c8R
              • 3...Ka6
                • 4.Ra8#
      • 1...Bd6
        • 2.Kxd6
          • 2...Kb8
            • 3.Kc6
              • 3...Ka8
                • 4.Rc8#

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).