Problem Display
PID: 191095 (8/8/8/K7/2Q5/p7/1p6/kb5R w - - 0 1)

Massmann, Wilhelm Karl Heinrich

Hannover Courier, 1914

8/8/8/K7/2Q5/p7/1p6/kb5R

#3

3 + 4


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Tries
    • 1.Qa6?
      • 1...Ka2
        • 2.Kb4
          • threat
            • 3.Qxa3#
          • 2...Ka1
            • 3.Qxa3#
      • 1...a2!
    • 1.Qc3?
      • threat
        • 2.Qxa3#
      • 1...Ka2
        • 2.Kb4
          • threat
            • 3.Qxa3#
          • 2...Ka1
            • 3.Qxa3#
      • 1...a2!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qxa3#
      • 1...Ka2
        • 2.Kb4
          • threat
            • 3.Qxa3#
          • 2...Ka1
            • 3.Qxa3#
      • 1...a2
        • 2.Rxb1+
          • 2...Kxb1
            • 3.Qd1#

FEATURES


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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).