Problem Display
PID: 257701 (2N5/1P6/4k3/2P3K1/1P6/1pP5/5p2/7Q w - - 0 1)

Makaronets, Leonid

Shakhmatnaya kompozitsiya, 2022

2N5/1P6/4k3/2P3K1/1P6/1pP5/5p2/7Q

#3

7 + 3


SOLUTION


  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qc6
        • threat
          • 3.b8Q#
          • 3.b8B#
  • Tries
    • 1.Kg6?
      • threat
        • 2.Qc6+
          • 2...Ke5
            • 3.b8Q#
            • 3.b8B#
      • 1...Ke5
        • 2.b8Q+
          • 2...Ke6
            • 3.Qc6#
            • 3.Qd6#
        • 2.b8B+
          • 2...Ke6
            • 3.Qc6#
      • 1...Kd7!
    • 1.Qe4+?
      • 1...Kd7
        • 2.b8Q
          • threat
            • 3.Sb6#
          • 2...Kd8
            • 3.Sb6#
            • 3.Qe7#
      • 1...Kf7!
    • 1.Qc6+?
      • 1...Ke5
        • 2.b8Q#
        • 2.b8B#
      • 1...Kf7!
    • 1.Qh3+?
      • 1...Kd5
        • 2.Qf3+
          • 2...Kc4
            • 3.Sd6#
          • 2...Ke5
            • 3.Qf5#
          • 2...Ke6
            • 3.Qf5#
      • 1...Kf7!
    • 1.c4?
      • threat
        • 2.Qd5#
      • 1...Kd7
        • 2.Qh7+
          • 2...Kc6
            • 3.Sa7#
            • 3.b8S#
          • 2...Ke6
            • 3.Qf5#
            • 3.Qe7#
          • 2...Kd8
            • 3.Qe7#
          • 2...Ke8
            • 3.Qe7#
      • 1...Kf7!
  • Keys
    • 1.Qh5!
      • threat
        • 2.Qe8+
          • 2...Kd5
            • 3.Sb6#
      • 1...Kd5
        • 2.Qf3+
          • 2...Kc4
            • 3.Sd6#
          • 2...Ke5
            • 3.Qf5#
          • 2...Ke6
            • 3.Qf5#
      • 1...Ke5
        • 2.Sb6
          • threat
            • 3.Qe2#
            • 3.Qe8#
          • 2...Ke4
            • 3.Qe2#
          • 2...Ke6
            • 3.Qe8#
        • 2.Qe2+
          • 2...Kd5
            • 3.Se7#
        • 2.Qe8+
          • 2...Kd5
            • 3.Sb6#
      • 1...Kd7
        • 2.Qf7+
          • 2...Kc6
            • 3.Sa7#
          • 2...Kd8
            • 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).