Problem Display
PID: 257519 (1K6/8/1N6/5N2/4k3/4B2B/8/4R3 w - - 0 1)

Dowd, Steven B

Phenix, 2021

1K6/8/1N6/5N2/4k3/4B2B/8/4R3

#4

6 + 1


SOLUTION


  • SOUND
  • Keys
    • 1.Rc1!
      • 1...Kd3
        • 2.Bg2
          • 2...Ke2
            • 3.Sd5
              • 3...Kd3
                • 4.Sf4#
      • 1...Kf3
        • 2.Rc3
          • 2...Ke2
            • 3.Sd4+
              • 3...Kd1
                • 4.Rc1#
              • 3...Ke1
                • 4.Rc1#
          • 2...Ke4
            • 3.Bg5
              • 3...Ke5
                • 4.Re3#
      • 1...Ke5
        • 2.Bg5
          • threat
            • 3.Re1#
          • 2...Ke4
            • 3.Rc3
              • 3...Ke5
                • 4.Re3#
          • 2...Ke6
            • 3.Rc7
              • 3...Ke5
                • 4.Re7#

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).