Problem Display
PID: 251127 (8/8/7R/4kp2/7P/3K4/6R1/8 w - - 0 1)

Voronin, Vladimir

Uralski Problemist, 2012

8/8/7R/4kp2/7P/3K4/6R1/8

#3

4 + 2


SOLUTION


  • SOUND
  • Sets
    • 1...f4
      • 2.Rg5#
  • Tries
    • 1.Ra2?
      • threat
        • 2.Ra4
          • 2...Kd5
            • 3.Ra5#
          • 2...f4
            • 3.Ra5#
      • 1...Kd5
        • 2.Ra5#
      • 1...f4
        • 2.Ra5#
      • 1...Kf4!
    • 1.Rb2?
      • threat
        • 2.Rb4
          • 2...Kd5
            • 3.Rb5#
          • 2...f4
            • 3.Rb5#
      • 1...Kd5
        • 2.Rb5#
      • 1...f4
        • 2.Rb5#
      • 1...Kf4!
    • 1.Rf2?
      • 1...Kd5
        • 2.Rxf5#
      • 1...f4!
  • Keys
    • 1.Rg5!
      • 1...Kf4
        • 2.Rf6
          • threat
            • 3.Rfxf5#
          • 2...Kf3
            • 3.Rfxf5#
          • 2...Ke5
            • 3.Rgxf5#

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).