Problem Display
PID: 202185 (7K/8/p6B/2k5/8/8/Q7/5B2 w - - 0 1)

Usath, Walter

Gelsenkirchener allgemeine Zeitung, 1923

7K/8/p6B/2k5/8/8/Q7/5B2

#3

4 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Qc4+?
      • 1...Kb6
        • 2.Bf4
          • threat
            • 3.Qc7#
          • 2...Ka5
            • 3.Bc7#
          • 2...Ka7
            • 3.Qxa6#
          • 2...Kb7
            • 3.Qxa6#
      • 1...Kd6!
  • Keys
    • 1.Bf4!
      • threat
        • 2.Qc4+
          • 2...Kb6
            • 3.Qc7#
      • 1...Kb4
        • 2.Qc4+
          • 2...Ka3
            • 3.Bc1#
          • 2...Ka5
            • 3.Bc7#
      • 1...Kb6
        • 2.Qc4
          • threat
            • 3.Qc7#
          • 2...Ka5
            • 3.Bc7#
          • 2...Ka7
            • 3.Qxa6#
          • 2...Kb7
            • 3.Qxa6#
        • 2.Qxa6+
          • 2...Kc5
            • 3.Qd6#
      • 1...Kc6
        • 2.Qe6+
          • 2...Kc5
            • 3.Qd6#
          • 2...Kb7
            • 3.Qxa6#

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).