Problem Display
PID: 248152 (4N3/6p1/6p1/6kp/Q7/3K4/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

StrateGems, 2021

4N3/6p1/6p1/6kp/Q7/3K4/8/8

#3

3 + 4


SOLUTION


  • SOUND
  • Tries
    • 1.Qe4?
      • 1...Kh6
        • 2.Qe7
          • 2...Kh7
            • 3.Qxg7#
          • 2...h4
            • 3.Qxh4#
          • 2...g5
            • 3.Qxg7#
      • 1...h4!
    • 1.Qh4+?
      • 1...Kf5
        • 2.Sxg7+
          • 2...Ke5
            • 3.Qd4#
      • 1...Kh6
        • 2.Qe7
          • 2...Kh7
            • 3.Qxg7#
          • 2...h4
            • 3.Qxh4#
          • 2...g5
            • 3.Qxg7#
      • 1...Kxh4!
  • Keys
    • 1.Ke3!
      • threat
        • 2.Qf4#
      • 1...Kf5
        • 2.Qe4+
          • 2...Kg5
            • 3.Qf4#
      • 1...Kh6
        • 2.Qd4
          • 2...Kg5
            • 3.Qf4#
          • 2...Kh7
            • 3.Qxg7#
          • 2...h4
            • 3.Qxh4#
          • 2...g5
            • 3.Qxg7#
      • 1...h4
        • 2.Qf4+
          • 2...Kh5
            • 3.Sxg7#

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).