Problem Display
PID: 20300 (8/3p4/8/b1B5/8/3K4/N5N1/3k4 w - - 0 1)

Speckmann, Werner

Tidskrift for Schack, 1957

8/3p4/8/b1B5/8/3K4/N5N1/3k4

#4

4 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Be7!
      • threat
        • 2.Se3+
          • 2...Ke1
            • 3.Bh4#
      • 1...Bd2
        • 2.Bd6
          • 2...Bc3
            • 3.Sxc3+
              • 3...Kc1
                • 4.Ba3#
            • 3.Se3+
              • 3...Ke1
                • 4.Bg3#
          • 2...Be3
            • 3.Sc3+
              • 3...Kc1
                • 4.Ba3#
            • 3.Sxe3+
              • 3...Ke1
                • 4.Bg3#
          • 2...Bb4
            • 3.Se3+
              • 3...Ke1
                • 4.Bg3#
            • 3.Bxb4
              • threat
                • 4.Se3#
          • 2...Bf4
            • 3.Sc3+
              • 3...Kc1
                • 4.Ba3#
            • 3.Bxf4
              • threat
                • 4.Sc3#
          • 2...Ba5
            • 3.Se3+
              • 3...Ke1
                • 4.Bg3#
          • 2...Bg5
            • 3.Sc3+
              • 3...Kc1
                • 4.Ba3#
          • 2...Bh6
            • 3.Sc3+
              • 3...Kc1
                • 4.Ba3#

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).