Problem Display
PID: 231885 (8/1B1p1p2/8/5K2/3k4/P7/8/2Q5 w - - 0 1)

Witte, Ernst

Deutsche Schachblatter, 1938

8/1B1p1p2/8/5K2/3k4/P7/8/2Q5

#4

4 + 3


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Kf4!
      • threat
        • 2.Qb2+
          • 2...Kc4
            • 3.Ke3
              • threat
                • 4.Qb4#
              • 3...Kc5
                • 4.Qb4#
            • 3.Be4
              • threat
                • 4.Qb4#
              • 3...Kc5
                • 4.Qb4#
      • 1...f5
        • 2.Bg2
          • 2...Kd3
            • 3.Bf1+
              • 3...Kd4
                • 4.Qc4#
          • 2...d5
            • 3.Qe3+
              • 3...Kc4
                • 4.Bf1#
          • 2...d6
            • 3.Bf1
              • threat
                • 4.Qc4#
              • 3...Kd5
                • 4.Qc4#
              • 3...d5
                • 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).