Problem Display
PID: 220843 (8/8/3P2Bk/7P/5p2/8/1B4K1/8 w - - 0 1)

Speckmann, Werner

Deutsche Schachzeitung, 1973

8/8/3P2Bk/7P/5p2/8/1B4K1/8

#4

5 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.d7!
      • threat
        • 2.d8Q
          • 2...f3+
            • 3.Kf1
              • 3...f2
                • 4.Qd2#
            • 3.Kh1
              • 3...f2
                • 4.Qd2#
            • 3.Kh2
              • 3...f2
                • 4.Qd2#
            • 3.Kg3
              • 3...f2
                • 4.Qd2#
            • 3.Kh3
              • 3...f2
                • 4.Qd2#
      • 1...f3+
        • 2.Kxf3
          • 2...Kg5
            • 3.d8Q+
              • 3...Kh6
                • 4.Qd2#
      • 1...Kg5
        • 2.Kh3
          • 2...Kh6
            • 3.d8Q
              • 3...f3
                • 4.Qd2#
            • 3.d8S
              • threat
                • 4.Sf7#
              • 3...Kg5
                • 4.Sf7#
          • 2...f3
            • 3.d8Q+
              • 3...Kf4
                • 4.Qd2#
              • 3...Kh6
                • 4.Qd2#

FEATURES


NOT CLASSIFIED


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).