Problem Display
PID: 20164 (6B1/8/5P2/8/8/1P6/kB6/2Kb4 w - - 0 1)

Speckmann, Werner

Deutsche Schachblatter, 1942

6B1/8/5P2/8/8/1P6/kB6/2Kb4

#4

5 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Bc4!
      • threat
        • 2.f7
          • threat
            • 3.f8Q
              • threat
                • 4.Qa3#
                • 4.Qa8#
            • 3.f8R
              • threat
                • 4.Ra8#
              • 3...Bf3
                • 4.b4#
          • 2...Bxb3
            • 3.f8Q
              • 3...Bxc4
                • 4.Qa3#
      • 1...Bxb3
        • 2.f7
          • 2...Bxc4
            • 3.f8Q
              • threat
                • 4.Qa3#
              • 3...Kb3
                • 4.Qa3#
      • 1...Bc2
        • 2.f7
          • threat
            • 3.f8Q
              • threat
                • 4.Qa3#
                • 4.Qa8#
            • 3.f8R
              • threat
                • 4.Ra8#
              • 3...Be4
                • 4.b4#
          • 2...Bxb3
            • 3.f8Q
              • 3...Bxc4
                • 4.Qa3#
      • 1...Be2
        • 2.f7
          • threat
            • 3.f8Q
              • threat
                • 4.Qa3#
                • 4.Qa8#
          • 2...Bxc4
            • 3.f8Q
              • threat
                • 4.Qa3#
              • 3...Kxb3
                • 4.Qa3#

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).