Problem Display
PID: 191362 (6K1/4R2Q/3k4/8/8/4p3/2PP4/8 w - - 0 1)

Pauly, Wolfgang

Source?, 1914

6K1/4R2Q/3k4/8/8/4p3/2PP4/8

#4

5 + 2


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Keys
    • 1.Qe4!
      • threat
        • 2.d4
          • 2...e2
            • 3.Qe6#
      • 1...Kc5
        • 2.Re6
          • threat
            • 3.c3
              • threat
                • 4.Qc6#
              • 3...Kb5
                • 4.Qb4#
          • 2...Kb5
            • 3.c3
              • threat
                • 4.Qb4#
              • 3...Ka5
                • 4.Qb4#
              • 3...Kc5
                • 4.Qc6#
      • 1...exd2
        • 2.Qe5+
          • 2...Kc6
            • 3.c4
              • threat
                • 4.Qc7#
              • 3...Kb6
                • 4.Qb5#
      • 1...e2
        • 2.Qb4+
          • 2...Kd5
            • 3.d4
              • threat
                • 4.Qc5#
              • 3...Kc6
                • 4.Qc5#
          • 2...Kc6
            • 3.d4
              • threat
                • 4.Qc5#
              • 3...Kd5
                • 4.Qc5#
        • 2.Qe5+
          • 2...Kc6
            • 3.c4
              • threat
                • 4.Qc7#
              • 3...Kb6
                • 4.Qb5#

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).