Problem Display
PID: 59064 (4N3/2p1R1pp/4P1kb/5prb/5Pp1/2P3P1/6BP/5K1Q w - - 0 1)

Brotherton, David WA

The Problemist, 1965

4N3/2p1R1pp/4P1kb/5prb/5Pp1/2P3P1/6BP/5K1Q

#4

10 + 9


136 Problem Observer 2005
  • SOUND
  • Keys
    • 1.Ba8!
      • threat
        • 2.Qb7
          • 2...c5
            • 3.Rxg7+
              • 3...Bxg7
                • 4.Qxg7#
          • 2...c6
            • 3.Rxg7+
              • 3...Bxg7
                • 4.Qxg7#
      • 1...c5
        • 2.Qb7
          • 2...c4
            • 3.Rxg7+
              • 3...Bxg7
                • 4.Qxg7#
      • 1...c6
        • 2.Ra7
          • 2...c5
            • 3.Qb7
              • 3...c4
                • 4.Qf7#


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).