Problem Display
PID: 69615 (r2Bn3/1p1p1p2/p1p2Pp1/2kN4/5p2/1P1P3R/2K2P2/Q7 w - - 0 1)

Russwurm, Alois

Schachzeitung der Berliner Schachgesellschaft, 1861

r2Bn3/1p1p1p2/p1p2Pp1/2kN4/5p2/1P1P3R/2K2P2/Q7

#4

9 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Be7+!
      • 1...Kxd5
        • 2.Qh1+
          • 2...f3
            • 3.Qxf3+
              • 3...Kd4
                • 4.Qe4#
              • 3...Ke5
                • 4.Qe4#
              • 3...Ke6
                • 4.Qe4#
      • 1...Sd6
        • 2.Qa3+
          • 2...Kd4
            • 3.Qxd6
              • threat
                • 4.Sc3#
                • 4.Se3#
                • 4.Sb4#
                • 4.Sxf4#
                • 4.Sb6#
                • 4.Sc7#
              • 3...cxd5
                • 4.Qxf4#
      • 1...d6
        • 2.Qc3+
          • 2...Kxd5
            • 3.Qc4+
              • 3...Ke5
                • 4.Qe4#

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).