Problem Display
PID: 190982 (6K1/8/1Q4P1/3k2B1/8/8/4N3/8 w - - 0 1)

Pauly, Wolfgang

Deutsches Wochenschach, 1913

6K1/8/1Q4P1/3k2B1/8/8/4N3/8

#4

5 + 1


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Keys
    • 1.Be3!
      • threat
        • 2.Sd4
          • threat
            • 3.Qc6+
              • 3...Ke5
                • 4.Qe6#
          • 2...Kc4
            • 3.Qb5+
              • 3...Kc3
                • 4.Qb3#
          • 2...Ke4
            • 3.Qb3
              • 3...Ke5
                • 4.Qe6#
      • 1...Kc4
        • 2.Sd4
          • threat
            • 3.Qb5+
              • 3...Kc3
                • 4.Qb3#
          • 2...Kd3
            • 3.Qe6
              • 3...Kc3
                • 4.Qb3#
          • 2...Kd5
            • 3.Qc6+
              • 3...Ke5
                • 4.Qe6#
      • 1...Ke4
        • 2.Qe6+
          • 2...Kd3
            • 3.Sc1+
              • 3...Kc2
                • 4.Qb3#
              • 3...Kc3
                • 4.Qb3#
            • 3.Sd4
              • 3...Kc3
                • 4.Qb3#
          • 2...Kf3
            • 3.Sg1+
              • 3...Kg2
                • 4.Qh3#
              • 3...Kg3
                • 4.Qh3#
            • 3.Sf4
              • 3...Kg3
                • 4.Qh3#
      • 1...Ke5
        • 2.Sd4
          • threat
            • 3.Qe6#
          • 2...Ke4
            • 3.Qb3
              • 3...Ke5
                • 4.Qe6#
          • 2...Kd5
            • 3.Qc6+
              • 3...Ke5
                • 4.Qe6#

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).