Problem Display
PID: 26263 (4Nb2/3p4/P4pKp/1P1k2p1/7r/pP6/P5p1/1n2Q1B1 w - - 0 1)

Massmann, Wilhelm Karl Heinrich

Deutsches Wochenschach, 1919

4Nb2/3p4/P4pKp/1P1k2p1/7r/pP6/P5p1/1n2Q1B1

#4

8 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Qf2!
      • threat
        • 2.Qf5#
      • 1...Rf4
        • 2.Sc7+
          • 2...Ke5
            • 3.Qe3+
              • 3...Kd6
                • 4.Qc5#
              • 3...Re4
                • 4.Bh2#
      • 1...Bd6
        • 2.Qf3+
          • 2...Ke6
            • 3.Sg7+
              • 3...Ke5
                • 4.Qf5#
              • 3...Ke7
                • 4.Qxf6#
          • 2...Re4
            • 3.Kf5
              • threat
                • 4.Sxf6#
                • 4.Qxe4#
        • 2.Qf5+
          • 2...Be5
            • 3.Sxf6+
              • 3...Kd6
                • 4.Qxd7#

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).