Problem Display
PID: 29538 (5R2/1pr1p3/1B1pP3/1PrN2R1/2N1kP2/3p2K1/B2P4/7b w - - 0 1)

Lankester, AL

The Problemist, 1966

5R2/1pr1p3/1B1pP3/1PrN2R1/2N1kP2/3p2K1/B2P4/7b

#3

11 + 8


SOLUTION


  • SOUND
  • Sets
    • 1...Rxc4
      • 2.Sc3+
        • 2...Rxc3
          • 3.Bd5#
    • 1...Rxb5
      • 2.Sc3#
    • 1...Rxd5
      • 2.Sxd6+
        • 2...Rxd6
          • 3.Re5#
        • 2...exd6
          • 3.Bxd5#
    • 1...R5c6
      • 2.Sc3#
  • Tries
    • 1.Sxd6+?
      • 1...Kd4
        • 2.Ra8
          • threat
            • 3.Ra4#
          • 2...Bxd5
            • 3.Rxd5#
      • 1...exd6!
  • Keys
    • 1.Ra8!
      • threat
        • 2.Ra4
          • threat
            • 3.Sxd6#
          • 2...Kd4
            • 3.Sb2#
            • 3.Sa3#
            • 3.Sce3#
            • 3.Sa5#
            • 3.Se5#
            • 3.Sxd6#
          • 2...Rxc4
            • 3.Sc3#
      • 1...Kd4
        • 2.Sxd6
          • threat
            • 3.Ra4#
          • 2...Bxd5
            • 3.Rxd5#
      • 1...Rxc4
        • 2.Sc3+
          • 2...Rxc3
            • 3.Bd5#
      • 1...Rxd5
        • 2.Sxd6+
          • 2...Rxd6
            • 3.Re5#
          • 2...exd6
            • 3.Bxd5#
      • 1...Rd7
        • 2.Ra4
          • threat
            • 3.Sxd6#
          • 2...Kd4
            • 3.Sb2#
            • 3.Sa3#
            • 3.Sce3#
            • 3.Sa5#
            • 3.Se5#
            • 3.Sxd6#
          • 2...Rxc4
            • 3.Sc3#
            • 3.Rxc4#

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).