Problem Display
PID: 256992 (Kn6/1P1p4/1p1B1pp1/1N1P4/2BPkPp1/R3N1P1/1Pp1P3/1bb2n2 w - - 0 1)

Lyubashevsky, Leonid Abramovic

Makaronets, Leonid

Volchek, Viktor Fedorovich

Variantim, 2021

Kn6/1P1p4/1p1B1pp1/1N1P4/2BPkPp1/R3N1P1/1Pp1P3/1bb2n2

#4

13 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Bf8!
      • threat
        • 2.Sd6+
          • 2...Kxd4
            • 3.Rd3+
              • 3...Kc5
                • 4.Se4#
      • 1...Bxe3
        • 2.Bd3+
          • 2...Kxd5
            • 3.Sc7+
              • 3...Kxd4
                • 4.Ra4#
              • 3...Kc6
                • 4.Rc3#
      • 1...Sxe3
        • 2.Rd3
          • threat
            • 3.Sd6#
          • 2...Sxc4
            • 3.Sc3+
              • 3...Kf5
                • 4.e4#
      • 1...Sxg3
        • 2.Sd6+
          • 2...Kxd4
            • 3.Rd3+
              • 3...Kc5
                • 4.Se4#
          • 2...Kxf4
            • 3.Bh6+
              • 3...g5
                • 4.Sg2#
      • 1...Ba2
        • 2.Sd6+
          • 2...Kxd4
            • 3.Sxc2+
              • 3...Kc5
                • 4.b4#
            • 3.Rd3+
              • 3...Kc5
                • 4.Se4#
      • 1...g5
        • 2.Sd6+
          • 2...Kxd4
            • 3.Sdf5+
              • 3...Ke4
                • 4.Bd3#
            • 3.Rd3+
              • 3...Kc5
                • 4.Se4#
        • 2.Sf5
          • threat
            • 3.Sbd6#
            • 3.Sfd6#
          • 2...Bxf4
            • 3.Sc3+
              • 3...Kxf5
                • 4.Bd3#
          • 2...Sxg3
            • 3.Sxg3+
              • 3...Kxf4
                • 4.Bd6#
        • 2.Bc5
          • threat
            • 3.Sd6#
          • 2...Sxg3
            • 3.Sd6+
              • 3...Kxf4
                • 4.Sg2#
          • 2...bxc5
            • 3.Sd6+
              • 3...Kxd4
                • 4.Sef5#
                • 4.Rd3#
        • 2.Rd3
          • threat
            • 3.Sc3#
            • 3.Sd6#
          • 2...Sxg3
            • 3.Sc3+
              • 3...Kxf4
                • 4.Bd6#
            • 3.Sd6+
              • 3...Kxf4
                • 4.Sg2#
      • 1...d6
        • 2.Sxd6+
          • 2...Kxd4
            • 3.Rd3+
              • 3...Kc5
                • 4.Se4#
                • 4.Sb5#
                • 4.Sdf5#
                • 4.Sf7#
                • 4.Sc8#
                • 4.Se8#

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).