Problem Display
PID: 255551 (R7/5B2/8/8/3N4/3p4/3p4/Bk1K4 w - - 0 1)

Halldorsson, Ragnar

Stella Polaris, 1971

R7/5B2/8/8/3N4/3p4/3p4/Bk1K4

#4

5 + 3


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Rd8!
      • 1...Kxa1
        • 2.Sc2+
          • 2...Kb2
            • 3.Rb8+
              • 3...Kc3
                • 4.Rb3#
          • 2...dxc2+
            • 3.Kxc2
              • threat
                • 4.Ra8#
              • 3...d1Q+
                • 4.Rxd1#
              • 3...d1B+
                • 4.Rxd1#

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).