Problem Display
PID: 148674 (K1k4n/2P5/1B6/4p1P1/B1p1P3/2P5/8/8 w - - 0 1)

Osborne, PL

British Chess Magazine, 1902

K1k4n/2P5/1B6/4p1P1/B1p1P3/2P5/8/8

#4

7 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Be8!
      • threat
        • 2.Bh5
          • threat
            • 3.Bg4#
          • 2...Kd7
            • 3.c8Q+
              • 3...Kd6
                • 4.Bc5#
              • 3...Ke7
                • 4.Bc5#
              • 3...Kxc8
                • 4.Bg4#
      • 1...Sg6
        • 2.Bxg6
          • 2...Kd7
            • 3.c8Q+
              • 3...Kd6
                • 4.Bc5#
              • 3...Ke7
                • 4.Bc5#
              • 3...Kxc8
                • 4.Bf5#
      • 1...Sf7
        • 2.Bxf7
          • 2...Kd7
            • 3.c8S
              • 3...Kc6
                • 4.Be8#
              • 3...Kxc8
                • 4.Be6#

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).