Problem Display
PID: 207882 (1n1q4/8/4pb2/1B2kNp1/2p5/1b2N1K1/2nQ4/4R3 w - - 0 1)

Anonymous

BCA Ty., 1873

1n1q4/8/4pb2/1B2kNp1/2p5/1b2N1K1/2nQ4/4R3

#4

6 + 9


15239 Valois Notebooks 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Bd7!
      • threat
        • 2.Sxc4+
          • 2...Kxf5
            • 3.Qd3#
        • 2.Qc3+
          • 2...Ke4
            • 3.Sd6#
          • 2...Sd4
            • 3.Qxd4#
        • 2.Qd5+
          • 2...exd5
            • 3.Sxc2#
            • 3.Sxc4#
            • 3.Sg4#
      • 1...Qxd7
        • 2.Qa5+
          • 2...Ke4
            • 3.Sd1+
              • 3...Kd3
                • 4.Sf2#
              • 3...Sxe1
                • 4.Sf2#
              • 3...Se3
                • 4.Sf2#
                • 4.Rxe3#
            • 3.Sg4+
              • 3...Kd3
                • 4.Sf2#
              • 3...Sxe1
                • 4.Sf2#
              • 3...Se3
                • 4.Sf2#
                • 4.Rxe3#
          • 2...Qb5
            • 3.Qc3+
              • 3...Ke4
                • 4.Sd6#
              • 3...Sd4
                • 4.Qxd4#
          • 2...Qd5
            • 3.Sxd5+
              • 3...Kxf5
                • 4.Se7#
              • 3...Sxe1
                • 4.Sc3#
              • 3...Se3
                • 4.Sc3#
      • 1...Sxe3
        • 2.Qxe3+
          • 2...Kd5
            • 3.Qd2+
              • 3...Kc5
                • 4.Qd6#
              • 3...Bd4
                • 4.Qxd4#
            • 3.Qxe6+
              • 3...Kc5
                • 4.Qd6#

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).