Problem Display
PID: 97486 (B7/4p3/P7/1P6/8/4B3/8/3K1k2 w - - 0 1)

Becker, Christopher Bennett

US Problem Bulletin, 1992

B7/4p3/P7/1P6/8/4B3/8/3K1k2

#4

5 + 2


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.a7!
      • threat
        • 2.Bh1
          • threat
            • 3.a8Q
              • threat
                • 4.Bg2#
                • 4.Qg2#
                • 4.Qf3#
                • 4.Qf8#
            • 3.a8B
              • threat
                • 4.Bhg2#
                • 4.Bag2#
            • 3.a8R
              • threat
                • 4.Rf8#
          • 2...e5
            • 3.a8Q
              • 3...e4
                • 4.Qf8#
            • 3.a8R
              • 3...e4
                • 4.Rf8#
          • 2...e6
            • 3.a8Q
              • 3...e5
                • 4.Bg2#
                • 4.Qg2#
                • 4.Qf3#
                • 4.Qf8#
            • 3.a8B
              • 3...e5
                • 4.Bhg2#
                • 4.Bag2#
            • 3.a8R
              • 3...e5
                • 4.Rf8#
      • 1...e5
        • 2.Bf3
          • 2...e4
            • 3.a8Q
              • 3...exf3
                • 4.Qxf3#
      • 1...e6
        • 2.Bh1
          • 2...e5
            • 3.a8Q
              • 3...e4
                • 4.Qf8#
            • 3.a8R
              • 3...e4
                • 4.Rf8#

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).