Problem Display
PID: 268940 (4K3/3pP3/8/3k4/2pN3Q/5N1B/8/8 w - - 0 1)

Eltsov, Aleksandr Ivanovich

Shakhmatnaya kompozitsiya, 2022

4K3/3pP3/8/3k4/2pN3Q/5N1B/8/8

#3

6 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Kxd7?
      • threat
        • 2.Sb3
          • threat
            • 3.Be6#
            • 3.Qd4#
        • 2.Se6
          • 2...c3
            • 3.Qd4#
      • 1...c3
        • 2.Sb3
          • 2...c2
            • 3.Be6#
            • 3.Qd4#
        • 2.Se6
          • 2...c2
            • 3.Qd4#
      • 1...Kc5!
    • 1.Bxd7?
      • threat
        • 2.Se6
          • threat
            • 3.Qd4#
          • 2...Kd6
            • 3.Qd4#
      • 1...Kd6
        • 2.Se6
          • threat
            • 3.Qd4#
          • 2...Kd5
            • 3.Qd4#
      • 1...Kc5!
    • 1.Qg5+?
      • 1...Kd6
        • 2.Qe5#
      • 1...Ke4!
    • 1.Qf4?
      • threat
        • 2.Qe5#
      • 1...c3
        • 2.Qe5+
          • 2...Kc4
            • 3.Qb5#
        • 2.Qf5+
          • 2...Kc4
            • 3.Qb5#
          • 2...Kd6
            • 3.Qe5#
      • 1...Kc5!
    • 1.Qh5+?
      • 1...Kd6
        • 2.Qe5#
      • 1...Ke4!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Qe5#
      • 1...Kc5
        • 2.Qa5+
          • 2...Kd6
            • 3.Qe5#
      • 1...c3
        • 2.Qe5+
          • 2...Kc4
            • 3.Qb5#
      • 1...d6
        • 2.Be6+
          • 2...Kc5
            • 3.Qa5#

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).