Problem Display
PID: 188687 (8/1pn5/8/k7/2Q4B/P7/1P3K2/8 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Dame und Laufer, 1911

8/1pn5/8/k7/2Q4B/P7/1P3K2/8

#3

5 + 3


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Tries
    • 1.b4+?
      • 1...Kb6
        • 2.Qc5+
          • 2...Ka6
            • 3.Qa5#
      • 1...Ka4!
  • Keys
    • 1.Bd8!
      • 1...Kb6
        • 2.Bxc7+
          • 2...Ka7
            • 3.Qa4#
      • 1...b5
        • 2.Qxc7+
          • 2...Ka4
            • 3.Qc2#
          • 2...Ka6
            • 3.Qb6#
      • 1...b6
        • 2.a4
          • 2...Sb5
            • 3.Qxb5#
          • 2...b5
            • 3.Qxb5#
          • 2...Sd5
            • 3.Qb5#
          • 2...Sa6
            • 3.Qb5#
          • 2...Se6
            • 3.Qb5#
          • 2...Sa8
            • 3.Qb5#
          • 2...Se8
            • 3.Qb5#

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).