Problem Display
PID: 222953 (4K3/4Q3/4p3/4N3/4p3/4B3/4p3/4k3 w - - 0 1)

CW of Sunbury (Charles White)

Era, 1865

4K3/4Q3/4p3/4N3/4p3/4B3/4p3/4k3

#3

4 + 4


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Qa3?
      • threat
        • 2.Qc1#
        • 2.Qa1#
      • 1...Kd1
        • 2.Qc1#
      • 1...Kf1!
    • 1.Qb4+?
      • 1...Kd1
        • 2.Qd2#
        • 2.Qb1#
      • 1...Kf1!
    • 1.Qh4+?
      • 1...Kf1
        • 2.Qf2#
        • 2.Qh1#
      • 1...Kd1!
    • 1.Qc5?
      • threat
        • 2.Qc1#
      • 1...Kd1
        • 2.Qc1#
      • 1...Kf1!
    • 1.Qg5?
      • threat
        • 2.Qg1#
      • 1...Kf1
        • 2.Qg1#
      • 1...Kd1!
    • 1.Qa7?
      • threat
        • 2.Qa1#
      • 1...Kd1
        • 2.Qa4+
          • 2...Ke1
            • 3.Qa1#
      • 1...Kf1!
    • 1.Qb7?
      • threat
        • 2.Qb1#
      • 1...Kd1
        • 2.Qb1#
      • 1...Kf1!
    • 1.Qc7?
      • threat
        • 2.Qc1#
      • 1...Kd1
        • 2.Qc1#
      • 1...Kf1!
    • 1.Qg7?
      • threat
        • 2.Qg1#
      • 1...Kf1
        • 2.Qg1#
      • 1...Kd1!
    • 1.Qh7?
      • threat
        • 2.Qh1#
      • 1...Kf1
        • 2.Qh1#
      • 1...Kd1!
  • Keys
    • 1.Qxe6!
      • 1...Kd1
        • 2.Qb3+
          • 2...Ke1
            • 3.Qb1#
      • 1...Kf1
        • 2.Qh3+
          • 2...Ke1
            • 3.Qh1#

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).