Problem Display
PID: 140278 (7B/2p1p2K/p1R1P3/Pp1P4/QN1N1k1P/r4P1P/2BRpP2/r4nnb w - - 0 1)

Aloni, Yoel

Makaronets, Leonid

StrateGems, 2003

7B/2p1p2K/p1R1P3/Pp1P4/QN1N1k1P/r4P1P/2BRpP2/r4nnb

#4

15 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Bg7!
      • threat
        • 2.Bh6+
          • 2...Ke5
            • 3.f4+
              • 3...Kf6
                • 4.Bg5#
                • 4.Bg7#
      • 1...Rxf3
        • 2.Sxe2+
          • 2...Sxe2
            • 3.Sd3+
              • 3...Kf5
                • 4.Qg4#
      • 1...Bxf3
        • 2.Sd3+
          • 2...Ke4
            • 3.Sxe2+
              • 3...Kxd5
                • 4.Sb4#
              • 3...Kf5
                • 4.Qf4#
              • 3...Rxa4
                • 4.Sdc1#
                • 4.Se1#
                • 4.Sb2#
                • 4.Sb4#
                • 4.Sdf4#
                • 4.Sc5#
                • 4.Se5#
              • 3...bxa4
                • 4.Sc5#
              • 3...b4
                • 4.Sc5#
          • 2...Rxd3
            • 3.Sxe2+
              • 3...Kf5
                • 4.Qf4#
      • 1...Sxd2
        • 2.Bh6+
          • 2...Ke5
            • 3.f4+
              • 3...Kxd4
                • 4.Bg7#
              • 3...Kf6
                • 4.Bg5#
                • 4.Bg7#
      • 1...Sxh3
        • 2.Bh6+
          • 2...Ke5
            • 3.f4+
              • 3...Kf6
                • 4.Bg7#
              • 3...Sxf4
                • 4.Bg7#
          • 2...Sg5+
            • 3.Bxg5+
              • 3...Ke5
                • 4.f4#

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).