Problem Display
PID: 31638 (3N4/5B1p/p7/4P3/4p2K/3k4/1Q4P1/8 w - - 0 1)

Dubbe, Friedrich

Deutsches Wochenschach, 1898

3N4/5B1p/p7/4P3/4p2K/3k4/1Q4P1/8

#4

6 + 4


3429 Friedrich Dubbe ein Deutscher Problemmeister 1938

SOLUTION


  • COOKED
  • Keys
    • 1.Kg3!
      • threat
        • 2.Kf4
          • threat
            • 3.Sb7
              • threat
                • 4.Sc5#
        • 2.Sb7
          • threat
            • 3.Sc5+
              • 3...Ke3
                • 4.Qf2#
            • 3.Kf4
              • threat
                • 4.Sc5#
          • 2...Ke3
            • 3.Sc5
              • threat
                • 4.Qf2#
            • 3.Bc4
              • threat
                • 4.Qc3#
                • 4.Qf2#
    • 1.Sb7!
      • threat
        • 2.Sc5+
          • 2...Ke3
            • 3.Kg3
              • threat
                • 4.Qf2#
        • 2.Kg3
          • threat
            • 3.Sc5+
              • 3...Ke3
                • 4.Qf2#
            • 3.Kf4
              • threat
                • 4.Sc5#
          • 2...Ke3
            • 3.Sc5
              • threat
                • 4.Qf2#
            • 3.Bc4
              • threat
                • 4.Qc3#
                • 4.Qf2#
      • 1...Ke3
        • 2.Sa5
          • threat
            • 3.Sc4+
              • 3...Kd3
                • 4.Qd2#
              • 3...Kf4
                • 4.Qf2#
          • 2...Kd3
            • 3.Sb3
              • threat
                • 4.Qd2#
              • 3...Ke3
                • 4.Qd2#
              • 3...e3
                • 4.Sc5#
          • 2...Kf4
            • 3.Qf2+
              • 3...Kxe5
                • 4.Sc4#
      • 1...h5
        • 2.Sa5
          • threat
            • 3.Sb3
              • threat
                • 4.Qd2#
              • 3...Ke3
                • 4.Qd2#
              • 3...e3
                • 4.Sc5#
          • 2...Ke3
            • 3.Sc4+
              • 3...Kd3
                • 4.Qd2#
              • 3...Kf4
                • 4.Qf2#

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).