Problem Display
PID: 69486 (2b5/7P/pK3p2/Rp3rN1/1Rpk4/2p1p1nB/1pPrPP2/N1B4Q w - - 0 1)

Kufferath, F

Schachzeitung der Berliner Schachgesellschaft, 1861

2b5/7P/pK3p2/Rp3rN1/1Rpk4/2p1p1nB/1pPrPP2/N1B4Q

#4

12 + 12


SOLUTION


  • SOUND
  • Keys
    • 1.Rxc4+!
      • 1...Kxc4
        • 2.Qc6+
          • 2...Kb4
            • 3.Bxb2
              • threat
                • 4.Ba3#
                • 4.Bxc3#
                • 4.Qxc3#
              • 3...cxb2
                • 4.c3#
              • 3...Rc5
                • 4.Qxc5#
          • 2...Kd4
            • 3.f4
              • threat
                • 4.Sb3#
                • 4.Sf3#
              • 3...Rxf4
                • 4.Qc5#
              • 3...Rc5
                • 4.Qxc5#
      • 1...Ke5
        • 2.Qc6
          • threat
            • 3.Sf7#
          • 2...fxg5
            • 3.h8Q+
              • 3...Rf6
                • 4.Qhxf6#
            • 3.h8B+
              • 3...Rf6
                • 4.Bxf6#
          • 2...Rd4
            • 3.Sf7+
              • 3...Kf4
                • 4.Bxe3#
                • 4.Qf3#
                • 4.fxe3#
          • 2...Rd6
            • 3.f4+
              • 3...Rxf4
                • 4.Sf7#
      • 1...bxc4
        • 2.Rd5+
          • 2...Rxd5
            • 3.Qe4+
              • 3...Sxe4
                • 4.Sf3#

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).