Problem Display
PID: 252612 (5Q2/6p1/6p1/5Bkp/8/5K2/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

StrateGems, 2021

5Q2/6p1/6p1/5Bkp/8/5K2/8/8

#3

3 + 4


SOLUTION


  • SOUND
  • Sets
    • 1...Kh4
      • 2.Qe7+
        • 2...g5
          • 3.Qe1#
    • 1...gxf5
      • 2.Qxg7+
        • 2...Kh4
          • 3.Qg3#
  • Tries
    • 1.Bh3?
      • threat
        • 2.Qf4#
      • 1...Kh4
        • 2.Qd6
          • threat
            • 3.Qg3#
          • 2...Kxh3
            • 3.Qg3#
          • 2...Kg5
            • 3.Qf4#
        • 2.Qf4+
          • 2...Kxh3
            • 3.Qg3#
        • 2.Qb8
          • threat
            • 3.Qg3#
          • 2...Kxh3
            • 3.Qg3#
          • 2...Kg5
            • 3.Qf4#
      • 1...h4
        • 2.Qf4+
          • 2...Kh5
            • 3.Bg4#
      • 1...Kh6!
    • 1.Be6?
      • threat
        • 2.Qf4#
      • 1...h4
        • 2.Qf4+
          • 2...Kh5
            • 3.Bg4#
      • 1...Kh6!
    • 1.Bxg6?
      • threat
        • 2.Qf5+
          • 2...Kh4
            • 3.Qxh5#
          • 2...Kh6
            • 3.Qxh5#
      • 1...Kh4
        • 2.Qc5
          • 2...Kh3
            • 3.Qxh5#
        • 2.Qf4+
          • 2...Kh3
            • 3.Bf5#
            • 3.Qg3#
      • 1...Kh6
        • 2.Qf5
          • 2...h4
            • 3.Qh5#
      • 1...h4
        • 2.Qf5+
          • 2...Kh6
            • 3.Qh5#
      • 1...Kxg6!
    • 1.Bd7?
      • threat
        • 2.Qf4#
      • 1...h4
        • 2.Qf4+
          • 2...Kh5
            • 3.Bg4#
      • 1...Kh6!
    • 1.Bc8?
      • threat
        • 2.Qf4#
      • 1...h4
        • 2.Qf4+
          • 2...Kh5
            • 3.Bg4#
      • 1...Kh6!
    • 1.Qxg7?
      • threat
        • 2.Qxg6+
          • 2...Kh4
            • 3.Qg3#
            • 3.Qf6#
      • 1...Kh4
        • 2.Kf4
          • 2...g5+
            • 3.Qxg5#
          • 2...gxf5
            • 3.Qg3#
        • 2.Qe7+
          • 2...g5
            • 3.Qe1#
      • 1...Kxf5!
  • Keys
    • 1.Qf7!
      • threat
        • 2.Qxg6+
          • 2...Kh4
            • 3.Qg3#
      • 1...Kh4
        • 2.Qe7+
          • 2...g5
            • 3.Qe1#
      • 1...gxf5
        • 2.Qxg7+
          • 2...Kh4
            • 3.Qg3#

FEATURES


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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).