Problem Display
PID: 236908 (4k3/4n3/4K3/4B3/4R3/8/8/8 w - - 0 1)

Oleinik, Aleksandr Petrovich

9th Comm., Shakh-M (Borovich), 1989

4k3/4n3/4K3/4B3/4R3/8/8/8

#5

3 + 2


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Ra4!
      • threat
        • 2.Ra8+
          • 2...Sc8
            • 3.Rxc8#
      • 1...Sc6
        • 2.Bf6
          • threat
            • 3.Ra8+
              • 3...Sb8
                • 4.Rxb8#
              • 3...Sd8+
                • 4.Rxd8#
          • 2...Sd8+
            • 3.Bxd8
              • threat
                • 4.Bf6
                  • 4...Kf8
                    • 5.Ra8#
                • 4.Ra8
                  • 4...Kf8
                    • 5.Bf6#
              • 3...Kxd8
                • 4.Rc4
                  • 4...Ke8
                    • 5.Rc8#
              • 3...Kf8
                • 4.Rg4
                  • 4...Ke8
                    • 5.Rg8#

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).