Problem Display
PID: 25158 (6K1/N3k3/4N3/5P2/6P1/8/3P4/4R3 w - - 0 1)

Dobbs, Gilbert S

Lasker's Chess Magazine, 1904

6K1/N3k3/4N3/5P2/6P1/8/3P4/4R3

#4

7 + 1


SOLUTION


  • SOUND
  • Keys
    • 1.Re4!
      • 1...Kd6
        • 2.Kf7
          • threat
            • 3.Rd4+
              • 3...Ke5
                • 4.Sc6#
          • 2...Kd5
            • 3.Rd4+
              • 3...Ke5
                • 4.Sc6#
      • 1...Kf6
        • 2.Sd4
          • 2...Kg5
            • 3.Sf3+
              • 3...Kf6
                • 4.Re6#
              • 3...Kh6
                • 4.Re6#
      • 1...Kd7
        • 2.Kf7
          • 2...Kd6
            • 3.Rd4+
              • 3...Ke5
                • 4.Sc6#
      • 1...Ke8
        • 2.Sc5+
          • 2...Kd8
            • 3.Sb5
              • 3...Kc8
                • 4.Re8#

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).