Problem Display
PID: 258784 (2R5/1p1k3r/6p1/5N2/3P4/1QK4p/8/8 w - - 0 1)

Ignatenko, Gennady Petrovich

Utarova-20 JT (Kudesnik), 2021

2R5/1p1k3r/6p1/5N2/3P4/1QK4p/8/8

#3

5 + 5


SOLUTION


  • SOUND
  • Tries
    • 1.Rc5?
      • threat
        • 2.Qd5+
          • 2...Ke8
            • 3.Rc8#
      • 1...Kd8
        • 2.Qd5+
          • 2...Ke8
            • 3.Rc8#
          • 2...Rd7
            • 3.Qg8#
        • 2.Qg8+
          • 2...Kd7
            • 3.Qc8#
      • 1...Ke8
        • 2.Qe6+
          • 2...Kd8
            • 3.Rc8#
            • 3.Qc8#
          • 2...Kf8
            • 3.Rc8#
          • 2...Re7
            • 3.Rc8#
            • 3.Qxe7#
        • 2.Qg8+
          • 2...Kd7
            • 3.Qc8#
      • 1...gxf5!
    • 1.Rc7+?
      • 1...Kd8
        • 2.Rxh7
          • threat
            • 3.Qg8#
          • 2...Kc8
            • 3.Qg8#
          • 2...Ke8
            • 3.Qg8#
      • 1...Kxc7!
    • 1.Qb5+?
      • 1...Ke6
        • 2.Qe5+
          • 2...Kd7
            • 3.Qe8#
          • 2...Kf7
            • 3.Sd6#
            • 3.Qe7#
      • 1...Kxc8!
  • Keys
    • 1.Ra8!
      • threat
        • 2.Qd5+
          • 2...Kc7
            • 3.Qd6#
      • 1...Kc6
        • 2.Qc4+
          • 2...Kb6
            • 3.Qc5#
          • 2...Kd7
            • 3.Qc8#
      • 1...Kc7
        • 2.Qc4+
          • 2...Kb6
            • 3.Qc5#
          • 2...Kd7
            • 3.Qc8#
      • 1...gxf5
        • 2.Qxb7+
          • 2...Kd6
            • 3.Ra6#
          • 2...Ke6
            • 3.Ra6#
      • 1...b5
        • 2.Ra7+
          • 2...Kc6
            • 3.Qe6#
          • 2...Kc8
            • 3.Qg8#
          • 2...Kd8
            • 3.Qg8#
          • 2...Ke8
            • 3.Qg8#
      • 1...b6
        • 2.Ra7+
          • 2...Kc6
            • 3.Qc4#
          • 2...Kc8
            • 3.Qg8#
          • 2...Kd8
            • 3.Qg8#
          • 2...Ke8
            • 3.Qg8#

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).