Problem Display
PID: 142291 (8/2R5/8/3k2N1/3N4/3K4/8/8 w - - 0 1)

Catlow, EJ

Chess Problems (Brown, Reginald A), 1844

8/2R5/8/3k2N1/3N4/3K4/8/8

#3

4 + 1


SOLUTION


  • SOUND
  • Tries
    • 1.Ke3?
      • threat
        • 2.Se4
          • 2...Ke5
            • 3.Rc5#
      • 1...Ke5
        • 2.Se4
          • 2...Kd5
            • 3.Rc5#
      • 1...Kd6!
    • 1.Rb7?
      • threat
        • 2.Sf7
          • 2...Kc5
            • 3.Rb5#
      • 1...Kc5
        • 2.Se4+
          • 2...Kd5
            • 3.Rb5#
        • 2.Sf7
          • 2...Kd5
            • 3.Rb5#
      • 1...Kd6
        • 2.Sf7+
          • 2...Kc5
            • 3.Rb5#
          • 2...Kd5
            • 3.Rb5#
      • 1...Ke5!
    • 1.Rf7?
      • threat
        • 2.Se4
          • 2...Ke5
            • 3.Rf5#
      • 1...Ke5
        • 2.Se4
          • 2...Kd5
            • 3.Rf5#
      • 1...Kd6
        • 2.Se4+
          • 2...Kd5
            • 3.Rf5#
          • 2...Ke5
            • 3.Rf5#
      • 1...Kc5!
  • Keys
    • 1.Se4!
      • 1...Ke5
        • 2.Ke3
          • 2...Kd5
            • 3.Rc5#
        • 2.Rf7
          • 2...Kd5
            • 3.Rf5#

FEATURES


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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).