Problem Display
PID: 61493 (8/R7/5qk1/3KQ1p1/5p2/4BN2/6PP/5R2 w - - 0 1)

Hanstein, W

Schachzeitung der Berliner Schachgesellschaft, 1846

8/R7/5qk1/3KQ1p1/5p2/4BN2/6PP/5R2

#4

8 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Qxf6+!
      • 1...Kxf6
        • 2.Se5
          • threat
            • 3.Rf7#
          • 2...g4
            • 3.Bxf4
              • threat
                • 4.Bc1#
                • 4.Bd2#
                • 4.Be3#
                • 4.Bh6#
                • 4.Rf7#
              • 3...Kf5
                • 4.Bc1#
                • 4.Bd2#
                • 4.Be3#
                • 4.Bh6#
                • 4.Rf7#
        • 2.g4
          • threat
            • 3.Se5
              • 3...f3
                • 4.Rxf3#
                • 4.Rf7#
            • 3.Rfa1
              • threat
                • 4.R1a6#
              • 3...Kg6
                • 4.R1a6#
            • 3.Rb1
              • threat
                • 4.Rb6#
              • 3...Kg6
                • 4.Rb6#
            • 3.Rc1
              • threat
                • 4.Rc6#
              • 3...Kg6
                • 4.Rc6#
          • 2...Kg6
            • 3.Rfa1
              • threat
                • 4.R1a6#
              • 3...Kf6
                • 4.R1a6#
              • 3...Kh6
                • 4.R1a6#
            • 3.Rb1
              • threat
                • 4.Rb6#
              • 3...Kf6
                • 4.Rb6#
              • 3...Kh6
                • 4.Rb6#
            • 3.Rc1
              • threat
                • 4.Rc6#
              • 3...Kf6
                • 4.Rc6#
              • 3...Kh6
                • 4.Rc6#

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).