Problem Display
PID: 183259 (3K4/Q2p2pk/3R2p1/2p3P1/8/8/8/8 w - - 0 1)

Chayka, Arina

Kudesnik, 2018

3K4/Q2p2pk/3R2p1/2p3P1/8/8/8/8

#3

4 + 5


SOLUTION


  • SOUND
  • Tries
    • 1.Qa1?
      • threat
        • 2.Rxd7
          • threat
            • 3.Qxg7#
          • 2...Kg8
            • 3.Qxg7#
          • 2...Kh8
            • 3.Qxg7#
      • 1...Kg8
        • 2.Rxg6
          • threat
            • 3.Qxg7#
          • 2...Kf7
            • 3.Qxg7#
          • 2...Kh7
            • 3.Qxg7#
          • 2...Kf8
            • 3.Qxg7#
          • 2...Kh8
            • 3.Qxg7#
        • 2.Rxd7
          • threat
            • 3.Qxg7#
          • 2...Kh7
            • 3.Qxg7#
          • 2...Kf8
            • 3.Qxg7#
          • 2...Kh8
            • 3.Qxg7#
      • 1...Kh8
        • 2.Rxg6
          • threat
            • 3.Qxg7#
          • 2...Kh7
            • 3.Qxg7#
          • 2...Kg8
            • 3.Qxg7#
        • 2.Rxd7
          • threat
            • 3.Qxg7#
          • 2...Kh7
            • 3.Qxg7#
          • 2...Kg8
            • 3.Qxg7#
      • 1...c4!
    • 1.Qxd7?
      • 1...Kg8
        • 2.Rxg6
          • threat
            • 3.Qxg7#
          • 2...Kh7
            • 3.Qxg7#
          • 2...Kf8
            • 3.Qe8#
            • 3.Qxg7#
          • 2...Kh8
            • 3.Qxg7#
      • 1...Kh8
        • 2.Rxg6
          • threat
            • 3.Qxg7#
          • 2...Kh7
            • 3.Qxg7#
          • 2...Kg8
            • 3.Qxg7#
      • 1...c4!
  • Keys
    • 1.Rxd7!
      • threat
        • 2.Qa1
          • threat
            • 3.Qxg7#
          • 2...Kg8
            • 3.Qxg7#
          • 2...Kh8
            • 3.Qxg7#
      • 1...Kg8
        • 2.Qa1
          • threat
            • 3.Qxg7#
          • 2...Kh7
            • 3.Qxg7#
          • 2...Kf8
            • 3.Qxg7#
          • 2...Kh8
            • 3.Qxg7#
      • 1...Kh8
        • 2.Qa1
          • threat
            • 3.Qxg7#
          • 2...Kh7
            • 3.Qxg7#
          • 2...Kg8
            • 3.Qxg7#
      • 1...c4
        • 2.Qd4
          • threat
            • 3.Qxg7#
          • 2...Kg8
            • 3.Qxg7#
          • 2...Kh8
            • 3.Qxg7#

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).