Problem Display
PID: 250300 (8/8/8/8/1N5b/8/5p1p/5K1k w - - 0 1)

Nikitin, V?

Uralski Problemist, 2008

8/8/8/8/1N5b/8/5p1p/5K1k

#4

2 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Sd3!
      • 1...Bg3
        • 2.Sc5
          • 2...Bf4
            • 3.Se4
              • threat
                • 4.Sxf2#
              • 3...Be3
                • 4.Sg3#
              • 3...Bg3
                • 4.Sxg3#
          • 2...Bh4
            • 3.Se4
              • 3...Bg3
                • 4.Sxg3#
              • 3...Bg5
                • 4.Sxf2#
                • 4.Sg3#
              • 3...Bf6
                • 4.Sxf2#
                • 4.Sg3#
              • 3...Be7
                • 4.Sxf2#
                • 4.Sg3#
              • 3...Bd8
                • 4.Sxf2#
                • 4.Sg3#
          • 2...Be5
            • 3.Se4
              • threat
                • 4.Sxf2#
              • 3...Bg3
                • 4.Sxg3#
              • 3...Bd4
                • 4.Sg3#
          • 2...Bd6
            • 3.Se4
              • threat
                • 4.Sxf2#
              • 3...Bg3
                • 4.Sxg3#
              • 3...Bc5
                • 4.Sg3#
          • 2...Bc7
            • 3.Se4
              • threat
                • 4.Sxf2#
              • 3...Bg3
                • 4.Sxg3#
              • 3...Bb6
                • 4.Sg3#
          • 2...Bb8
            • 3.Se4
              • threat
                • 4.Sxf2#
              • 3...Bg3
                • 4.Sxg3#
              • 3...Ba7
                • 4.Sg3#

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).