Problem Display
PID: 231878 (8/7P/8/8/4K3/2p4p/2P3k1/7R w - - 0 1)

Dimant, N

Shakhmaty v SSSR, 1938

8/7P/8/8/4K3/2p4p/2P3k1/7R

#4

4 + 3


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.h8R!
      • threat
        • 2.R8xh3
          • 2...Kf2
            • 3.Kf4
              • threat
                • 4.R3h2#
              • 3...Ke2
                • 4.R3h2#
              • 3...Kg2
                • 4.R3h2#
      • 1...Kxh1
        • 2.Kf3
          • 2...Kg1
            • 3.Rxh3
              • 3...Kf1
                • 4.Rh1#
          • 2...Kh2
            • 3.Kf2
              • 3...Kh1
                • 4.Rxh3#
          • 2...h2
            • 3.Ra8
              • 3...Kg1
                • 4.Ra1#
            • 3.Rb8
              • 3...Kg1
                • 4.Rb1#
            • 3.Rd8
              • 3...Kg1
                • 4.Rd1#
            • 3.Re8
              • 3...Kg1
                • 4.Re1#
      • 1...Kf2
        • 2.R8xh3
          • threat
            • 3.Kf4
              • threat
                • 4.R3h2#
              • 3...Ke2
                • 4.R3h2#
              • 3...Kg2
                • 4.R3h2#
          • 2...Kg2
            • 3.Kf4
              • 3...Kf2
                • 4.R3h2#
        • 2.Kf4
          • threat
            • 3.R8xh3
              • threat
                • 4.R3h2#
              • 3...Ke2
                • 4.R3h2#
              • 3...Kg2
                • 4.R3h2#
          • 2...Ke2
            • 3.R8xh3
              • threat
                • 4.R3h2#
              • 3...Kd2
                • 4.R3h2#
              • 3...Kf2
                • 4.R3h2#
          • 2...Kg2
            • 3.R8xh3
              • 3...Kf2
                • 4.R3h2#
      • 1...Kg3
        • 2.R8xh3+
          • 2...Kf2
            • 3.Kf4
              • threat
                • 4.R3h2#
              • 3...Ke2
                • 4.R3h2#
              • 3...Kg2
                • 4.R3h2#
          • 2...Kg2
            • 3.Kf4
              • 3...Kf2
                • 4.R3h2#
          • 2...Kg4
            • 3.Ke5
              • 3...Kg5
                • 4.Rg1#
                • 4.Rg3#
      • 1...h2
        • 2.R1xh2+
          • 2...Kf1
            • 3.Rg8
              • 3...Ke1
                • 4.Rg1#
          • 2...Kg1
            • 3.Kf3
              • 3...Kf1
                • 4.Rh1#
          • 2...Kg3
            • 3.Kf5
              • 3...Kf3
                • 4.R8h3#
            • 3.Re2
              • 3...Kg4
                • 4.Rg2#
            • 3.R8h6
              • 3...Kg4
                • 4.Rg2#
                • 4.Rg6#
            • 3.R8h7
              • 3...Kg4
                • 4.Rg2#
                • 4.Rg7#
        • 2.R8xh2+
          • 2...Kg3
            • 3.Re2
              • 3...Kg4
                • 4.Rg2#

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).