Problem Display
PID: 252613 (3K4/8/6p1/8/5k2/4R3/4Q3/1B5n w - - 0 1)

Croitor, Mikhail Vasilevich

StrateGems, 2021

3K4/8/6p1/8/5k2/4R3/4Q3/1B5n

#3

4 + 3


SOLUTION


  • SOUND
  • Sets
    • 1...g5
      • 2.Qf3#
  • Tries
    • 1.Re4+?
      • 1...Kg3
        • 2.Rg4+
          • 2...Kh3
            • 3.Qg2#
      • 1...Kf5
        • 2.Rg4+
          • 2...Kf6
            • 3.Qe7#
        • 2.Rh4+
          • 2...Kg5
            • 3.Qe7#
          • 2...Kf6
            • 3.Qe7#
      • 1...Kg5!
    • 1.Qg2?
      • 1...Sg3
        • 2.Qxg3#
      • 1...Sf2
        • 2.Qg3#
      • 1...g5
        • 2.Qf3#
        • 2.Qe4#
      • 1...Kxe3!
  • Keys
    • 1.Rh3!
      • threat
        • 2.Qe4+
          • 2...Kg5
            • 3.Qh4#
      • 1...Kg5
        • 2.Qe4
          • threat
            • 3.Qh4#
          • 2...Kf6
            • 3.Qe7#
      • 1...Sf2
        • 2.Qe3+
          • 2...Kg4
            • 3.Qg3#
      • 1...Sg3
        • 2.Rh4+
          • 2...Kg5
            • 3.Qe7#

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).