Problem Display
PID: 226876 (8/2rp4/5P1P/1PN1P2r/1p1kN3/5Q2/1K1PPb1P/n7 w - - 0 1)

Braithwaite, Kenneth Holmes

Ouellet, Charles

US Problem Bulletin, 1984

8/2rp4/5P1P/1PN1P2r/1p1kN3/5Q2/1K1PPb1P/n7

#3

11 + 7


SOLUTION


  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qd3#
    • 1...Rxe5
      • 2.Qd3#
    • 1...Rf5
      • 2.Qd3+
        • 2...Kxe5
          • 3.Qd6#
    • 1...d5
      • 2.Qxf2+
        • 2...Kc4
          • 3.Sd6#
        • 2...Kxe5
          • 3.d4#
  • Keys
    • 1.Sc3!
      • threat
        • 2.Qd5#
      • 1...bxc3+
        • 2.Qxc3+
          • 2...Kd5
            • 3.e4#
      • 1...Kxc5
        • 2.Qxf2+
          • 2...Kc4
            • 3.d3#
      • 1...Kxe5
        • 2.Qxh5+
          • 2...Kd4
            • 3.Qd5#
          • 2...Kf4
            • 3.Sd5#
            • 3.Sd3#
          • 2...Kd6
            • 3.S3e4#
            • 3.Qd5#
          • 2...Kxf6
            • 3.Sd5#
      • 1...Rxe5
        • 2.Qd3+
          • 2...Kxc5
            • 3.Sa4#

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).