Problem Display
PID: 241089 (8/8/3k4/7N/2Q4B/7K/8/8 w - - 0 1)

Surkov, Valery Albertovich

Best Problems, 2021

8/8/3k4/7N/2Q4B/7K/8/8

#3

4 + 1


SOLUTION


  • SOUND
  • Sets
    • 1...Ke5
      • 2.Bg3+
        • 2...Kf5
          • 3.Qg4#
  • Tries
    • 1.Kg4?
      • 1...Ke5
        • 2.Bg3#
      • 1...Kd7!
    • 1.Sf6?
      • 1...Ke5
        • 2.Qd5+
          • 2...Kf4
            • 3.Bg5#
            • 3.Qe4#
      • 1...Ke7!
    • 1.Bd8?
      • 1...Ke5
        • 2.Bc7+
          • 2...Kf5
            • 3.Qg4#
      • 1...Kd7!
  • Keys
    • 1.Sf4!
      • 1...Ke5
        • 2.Qd5+
          • 2...Kxf4
            • 3.Bg5#
      • 1...Kd7
        • 2.Qc5
          • 2...Ke8
            • 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).