Problem Display
PID: 180552 (8/6pn/1p2p1B1/1p2P3/4R3/1K1k4/2p2P2/2B5 w - - 0 1)

Bull, Cecil Alfred Lucas

British Chess Magazine, 1910

8/6pn/1p2p1B1/1p2P3/4R3/1K1k4/2p2P2/2B5

#4

6 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.Kb4!
      • threat
        • 2.Re1+
          • 2...Kd4
            • 3.Bb2+
              • 3...Kd5
                • 4.Be4#
        • 2.Re3+
          • 2...Kd4
            • 3.Bb2+
              • 3...Kd5
                • 4.Be4#
        • 2.f4
          • threat
            • 3.Re3+
              • 3...Kd4
                • 4.Rd3#
      • 1...Sg5
        • 2.Bxg5
          • 2...c1Q
            • 3.Bxc1
              • 3...Kc2
                • 4.Re1#
          • 2...c1S
            • 3.Bxc1
              • 3...Kc2
                • 4.Re1#
          • 2...c1B
            • 3.Bxc1
              • 3...Kc2
                • 4.Re1#
          • 2...c1R
            • 3.Bxc1
              • 3...Kc2
                • 4.Re1#
      • 1...Sf6
        • 2.Re3+
          • 2...Kd4
            • 3.Rd3+
              • 3...Kxe5
                • 4.f4#

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).