Problem Display
PID: 274318 (8/8/8/3P1Q2/3kP3/6R1/1N5K/8 w - - 0 1)

Croitor, Mikhail Vasilevich

Troll, 2023

(First published on Wed Jan 18 2023)

8/8/8/3P1Q2/3kP3/6R1/1N5K/8

#3

6 + 1


SOLUTION


  • SOUND
  • Tries
    • 1.Qg6?
      • 1...Ke5
        • 2.Rd3
          • 2...Kf4
            • 3.Qf5#
      • 1...Kc5!
    • 1.Qd7?
      • 1...Kc5
        • 2.Qa7+
          • 2...Kb4
            • 3.Qb6#
          • 2...Kb5
            • 3.Rb3#
          • 2...Kd6
            • 3.Sc4#
      • 1...Ke5
        • 2.Qe7+
          • 2...Kd4
            • 3.Rd3#
          • 2...Kf4
            • 3.Sd3#
      • 1...Kxe4!
    • 1.Qg5?
      • 1...Kxe4
        • 2.Rc3
          • 2...Kd4
            • 3.Rc4#
      • 1...Kc5!
    • 1.Qf7?
      • 1...Kc5
        • 2.Qa7+
          • 2...Kb4
            • 3.Qb6#
          • 2...Kb5
            • 3.Rb3#
          • 2...Kd6
            • 3.Sc4#
      • 1...Ke5
        • 2.Qe7+
          • 2...Kd4
            • 3.Rd3#
          • 2...Kf4
            • 3.Sd3#
      • 1...Kxe4!
    • 1.Qf8?
      • 1...Ke5
        • 2.Qe7+
          • 2...Kd4
            • 3.Rd3#
          • 2...Kf4
            • 3.Sd3#
      • 1...Kxe4!
  • Keys
    • 1.Qh7!
      • 1...Kc5
        • 2.Qa7+
          • 2...Kb4
            • 3.Qb6#
          • 2...Kb5
            • 3.Rb3#
          • 2...Kd6
            • 3.Sc4#
      • 1...Ke5
        • 2.Qe7+
          • 2...Kd4
            • 3.Rd3#
          • 2...Kf4
            • 3.Sd3#

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).