Problem Display
PID: 75888 (7B/1Nppq3/4ppR1/1B3k1P/1p4RP/5K2/8/bb6 w - - 0 1)

Willmers, Rudolf Heinrich

Era, 1857

(First published on Sun Jul 12 1857)

7B/1Nppq3/4ppR1/1B3k1P/1p4RP/5K2/8/bb6

#4

8 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Bxd7!
      • threat
        • 2.R4g5+
          • 2...fxg5
            • 3.Bxe6+
              • 3...Qxe6
                • 4.Rxg5#
      • 1...Be4+
        • 2.Rxe4
          • threat
            • 3.Rf4+
              • 3...Ke5
                • 4.Rg5#
          • 2...Qd6
            • 3.Sxd6+
              • 3...cxd6
                • 4.Bxe6#
          • 2...Be5
            • 3.Rg5+
              • 3...fxg5
                • 4.Rxe5#
      • 1...Ke5
        • 2.R6g5+
          • 2...Bf5
            • 3.Bc6
              • threat
                • 4.Re4#
      • 1...Qg7
        • 2.R4g5+
          • 2...fxg5
            • 3.Bxe6+
              • 3...Ke5
                • 4.Bxg7#
      • 1...c5
        • 2.R4g5+
          • 2...fxg5
            • 3.Sd6+
              • 3...Qxd6
                • 4.Rxg5#
            • 3.Bxe6+
              • 3...Qxe6
                • 4.Rxg5#
            • 3.Rxg5+
              • 3...Qxg5
                • 4.Sd6#
        • 2.R6g5+
          • 2...fxg5
            • 3.Sd6+
              • 3...Qxd6
                • 4.Rxg5#
            • 3.Rxg5+
              • 3...Qxg5
                • 4.Sd6#
      • 1...c6
        • 2.R4g5+
          • 2...fxg5
            • 3.Sd6+
              • 3...Qxd6
                • 4.Rxg5#
            • 3.Bxe6+
              • 3...Qxe6
                • 4.Rxg5#
            • 3.Rxg5+
              • 3...Qxg5
                • 4.Sd6#
        • 2.R6g5+
          • 2...fxg5
            • 3.Sd6+
              • 3...Qxd6
                • 4.Rxg5#
            • 3.Rxg5+
              • 3...Qxg5
                • 4.Sd6#

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).