Problem Display
PID: 250407 (8/1Rp1p3/k7/1Rp5/4K3/P7/8/8 w - - 0 1)

Kichigin, Viktor Vladimirovich

Shevchenko, Vitaly Ivanovich

Shinkarenko, Gennady Viktorovich

Uralski Problemist, 2009

8/1Rp1p3/k7/1Rp5/4K3/P7/8/8

#4

4 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Kd5!
      • threat
        • 2.Kc6
          • threat
            • 3.Ra5+
              • 3...Kxa5
                • 4.Ra7#
      • 1...c6+
        • 2.Kxc6
          • threat
            • 3.Ra5+
              • 3...Kxa5
                • 4.Ra7#
            • 3.R5b6+
              • 3...Ka5
                • 4.Ra7#
            • 3.R7b6+
              • 3...Ka7
                • 4.Ra5#
      • 1...c4
        • 2.Kc6
          • threat
            • 3.Ra5+
              • 3...Kxa5
                • 4.Ra7#
            • 3.Rb4
              • threat
                • 4.Ra4#
              • 3...Ka5
                • 4.Ra7#

FEATURES


NOT CLASSIFIED


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).