Problem Display
PID: 198002 (1k1K4/b7/1pBpPp2/1Pp5/1BPpP1p1/1Q4pp/P5q1/3r1b2 w - - 0 1)

Klinke, Arthur

Arbeiter Schachzeitung, 1921

1k1K4/b7/1pBpPp2/1Pp5/1BPpP1p1/1Q4pp/P5q1/3r1b2

#4

9 + 13


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Keys
    • 1.Qa3!
      • threat
        • 2.Qa6
          • threat
            • 3.Qb7#
            • 3.Qc8#
      • 1...Qxe4
        • 2.Bxe4
          • threat
            • 3.Qxg3
              • threat
                • 4.Qxd6#
            • 3.Qa6
              • threat
                • 4.Qb7#
                • 4.Qc8#
          • 2...d5
            • 3.Qxg3+
              • 3...Kb7
                • 4.Bxd5#
              • 3...Ka8
                • 4.Bxd5#
        • 2.Qa6
          • threat
            • 3.Qb7#
            • 3.Qc8#
          • 2...Qxc6
            • 3.bxc6
              • threat
                • 4.Qb7#
                • 4.Qc8#
              • 3...Ka8
                • 4.Qb7#
      • 1...Qxa2
        • 2.Bd2
          • threat
            • 3.Qxg3
              • threat
                • 4.Qxd6#
            • 3.Bf4
              • threat
                • 4.Bxd6#
          • 2...Qxc4
            • 3.Qa6
              • threat
                • 4.Qb7#
                • 4.Qc8#
          • 2...Qxd2
            • 3.Qa6
              • threat
                • 4.Qb7#
                • 4.Qc8#

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).