Problem Display
PID: 31615 (2Q5/8/1p6/p2pp2p/3k4/8/6p1/2R3K1 w - - 0 1)

Dubbe, Friedrich

Deutsche Schachzeitung, 1888

2Q5/8/1p6/p2pp2p/3k4/8/6p1/2R3K1

#4

3 + 7


3429 Friedrich Dubbe ein Deutscher Problemmeister 1938

SOLUTION


  • SOUND
  • Keys
    • 1.Rc3!
      • threat
        • 2.Rf3
          • threat
            • 3.Qc3+
              • 3...Ke4
                • 4.Qd3#
                • 4.Qe3#
          • 2...Ke4
            • 3.Qc3
              • threat
                • 4.Qd3#
                • 4.Qe3#
              • 3...d4
                • 4.Qc6#
        • 2.Qh3
          • threat
            • 3.Qd3#
            • 3.Qe3#
          • 2...Ke4
            • 3.Qf3+
              • 3...Kd4
                • 4.Qd3#
                • 4.Qe3#
          • 2...e4
            • 3.Qg3
              • threat
                • 4.Qg7#
              • 3...e3
                • 4.Qxe3#
      • 1...Ke4
        • 2.Qf8
          • threat
            • 3.Qf3+
              • 3...Kd4
                • 4.Qd3#
                • 4.Qe3#
          • 2...Kd4
            • 3.Qf3
              • threat
                • 4.Qd3#
                • 4.Qe3#
              • 3...e4
                • 4.Qf6#
      • 1...h4
        • 2.Rf3
          • threat
            • 3.Qc3+
              • 3...Ke4
                • 4.Qd3#
                • 4.Qe3#

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).