Problem Display
PID: 233054 (K7/Q7/8/3p4/2kN4/2P5/8/8 w - - 0 1)

af Hallstrom, Edvard Johannes Gabriel

Hufvudstadsbladet, 1939

K7/Q7/8/3p4/2kN4/2P5/8/8

#4

4 + 2


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Qa1!
      • 1...Kd3
        • 2.Qe1
          • 2...Kc4
            • 3.Qg3
              • 3...Kc5
                • 4.Qc7#
      • 1...Kc5
        • 2.Qg1
          • 2...Kc4
            • 3.Qg3
              • 3...Kc5
                • 4.Qc7#
          • 2...Kb6
            • 3.Qg7
              • threat
                • 4.Qa7#
              • 3...Ka5
                • 4.Qa7#
              • 3...Kc5
                • 4.Qc7#
              • 3...Ka6
                • 4.Qa7#
          • 2...Kd6
            • 3.Qg7
              • 3...Kc5
                • 4.Qc7#

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).