Problem Display
PID: 132865 (8/4N3/2KR4/5p1k/8/5PP1/8/8 w - - 0 1)

Amirov, Talip Khasanovich

Stella Polaris, 1973

8/4N3/2KR4/5p1k/8/5PP1/8/8

#4

5 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Sg8!
      • threat
        • 2.Sh6
          • threat
            • 3.Sf7
              • 3...f4
                • 4.Rh6#
          • 2...Kg5
            • 3.Sf7+
              • 3...Kh5
                • 4.Rh6#
          • 2...f4
            • 3.Sf7
              • 3...fxg3
                • 4.Rh6#
      • 1...Kg5
        • 2.Sh6
          • threat
            • 3.Sf7+
              • 3...Kh5
                • 4.Rh6#
          • 2...Kh5
            • 3.Sf7
              • 3...f4
                • 4.Rh6#
          • 2...f4
            • 3.Sf7+
              • 3...Kf5
                • 4.g4#
              • 3...Kh5
                • 4.Rh6#
      • 1...f4
        • 2.Sh6
          • threat
            • 3.Sf7
              • 3...fxg3
                • 4.Rh6#
          • 2...Kg5
            • 3.Sf7+
              • 3...Kf5
                • 4.g4#
              • 3...Kh5
                • 4.Rh6#
          • 2...fxg3
            • 3.Sf7
              • threat
                • 4.Rh6#
              • 3...Kh4
                • 4.Rh6#

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).