Problem Display
PID: 211000 (8/8/8/8/8/5N1k/8/R4K1N w - - 0 1)

Sokolsky, Aleksey Pavlovich

Trudovaya pravda, 1927

8/8/8/8/8/5N1k/8/R4K1N

#3

4 + 1


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Ke2?
      • 1...Kg2
        • 2.Rg1+
          • 2...Kh3
            • 3.Sf2#
            • 3.Rg3#
      • 1...Kg4!
    • 1.Se5?
      • threat
        • 2.Ra4
          • 2...Kh2
            • 3.Rh4#
      • 1...Kh2
        • 2.Ra3
          • 2...Kxh1
            • 3.Rh3#
        • 2.Ra6
          • threat
            • 3.Rh6#
          • 2...Kxh1
            • 3.Rh6#
          • 2...Kh3
            • 3.Rh6#
        • 2.Ra7
          • threat
            • 3.Rh7#
          • 2...Kxh1
            • 3.Rh7#
          • 2...Kh3
            • 3.Rh7#
        • 2.Ra8
          • threat
            • 3.Rh8#
          • 2...Kxh1
            • 3.Rh8#
          • 2...Kh3
            • 3.Rh8#
      • 1...Kh4!
  • Keys
    • 1.Sh2!
      • threat
        • 2.Ra4
          • 2...Kxh2
            • 3.Rh4#
      • 1...Kxh2
        • 2.Ra3
          • 2...Kxh1
            • 3.Rh3#
      • 1...Kh4
        • 2.Ra5
          • 2...Kh3
            • 3.Rh5#

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).