Problem Display
PID: 156011 (4B2K/4B2p/7k/2p1p2r/2pbP1p1/2p1pP1p/2P1P2P/6N1 w - - 0 1)

Aleksandrov, Vladimir Aleksandrovich

The Problemist, 2014

4B2K/4B2p/7k/2p1p2r/2pbP1p1/2p1pP1p/2P1P2P/6N1

#5

9 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Sxh3!
      • threat
        • 2.Bf8#
      • 1...Rxh3
        • 2.fxg4
          • threat
            • 3.g5#
          • 2...Rg3
            • 3.h4
              • threat
                • 4.Bg5#
                • 4.Bf8#
              • 3...Rxg4
                • 4.Bf8+
                  • 4...Rg7
                    • 5.Bxg7#
          • 2...Rh5
            • 3.h4
              • threat
                • 4.Bf8#
              • 3...Rf5
                • 4.g5+
                  • 4...Rxg5
                    • 5.Bxg5#
                    • 5.hxg5#
                • 4.Bf6
                  • threat
                    • 5.Bg7#
                  • 4...Rxf6
                    • 5.g5#
                  • 4...Rg5
                    • 5.Bxg5#
                    • 5.hxg5#
      • 1...gxh3
        • 2.Bxh5
          • 2...Kxh5
            • 3.Kg7
              • 3...h6
                • 4.Kf6
                  • 4...Kh4
                    • 5.Kg6#
      • 1...Rf5
        • 2.fxg4
          • threat
            • 3.g5+
              • 3...Rxg5
                • 4.Bxg5#
            • 3.Bf6
              • threat
                • 4.Bg7#
              • 3...Rxf6
                • 4.g5#
              • 3...Rg5
                • 4.Bxg5#
          • 2...Rf7
            • 3.Bg5+
              • 3...Kg6
                • 4.Kg8
                  • threat
                    • 5.Bxf7#

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).