Problem Display
PID: 253727 (1B5Q/2N1k3/6P1/7K/3p4/4n3/8/8 w - - 0 1)

Kolesnikov, Vladimir Petrovich

Schach, 1961

1B5Q/2N1k3/6P1/7K/3p4/4n3/8/8

#3

5 + 3


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Tries
    • 1.Qe5+?
      • 1...Kd7
        • 2.Qe6+
          • 2...Kd8
            • 3.Qe8#
      • 1...Kf8!
    • 1.Qf6+?
      • 1...Kd7
        • 2.Qe6+
          • 2...Kd8
            • 3.Qe8#
      • 1...Kxf6!
    • 1.Qg7+?
      • 1...Kd8
        • 2.Se6+
          • 2...Kc8
            • 3.Qc7#
          • 2...Ke8
            • 3.Qf7#
      • 1...Kd6!
    • 1.Qe8+?
      • 1...Kf6
        • 2.Sb5
          • threat
            • 3.Qf7#
            • 3.Qe5#
          • 2...Kf5
            • 3.Qe5#
          • 2...Kg7
            • 3.Be5#
        • 2.Sd5+
          • 2...Kf5
            • 3.Qe5#
          • 2...Kg7
            • 3.Be5#
          • 2...Sxd5
            • 3.Qf7#
            • 3.Qe5#
        • 2.Sa6
          • threat
            • 3.Qf7#
            • 3.Qe5#
          • 2...Kf5
            • 3.Qe5#
          • 2...Kg7
            • 3.Be5#
        • 2.Sa8
          • threat
            • 3.Qf7#
            • 3.Qe5#
          • 2...Kf5
            • 3.Qe5#
          • 2...Kg7
            • 3.Be5#
      • 1...Kd6!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qe6+
          • 2...Kd8
            • 3.Qe8#
          • 2...Kf8
            • 3.Qf7#
      • 1...Kd6
        • 2.Se8+
          • 2...Kd5
            • 3.Sf6#
          • 2...Ke7
            • 3.Bd6#
      • 1...Kf6
        • 2.Se8+
          • 2...Ke7
            • 3.Bd6#

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).