Problem Display
PID: 8663 (8/1R3pK1/2P2Qpp/rpPR4/pkp1p3/p1N1Pbr1/Bn6/b7 w - - 0 1)

Goldstein, Alexander

Whyatt, William Albert

4th Prize, BCF 093. Ty., 1959-1960

8/1R3pK1/2P2Qpp/rpPR4/pkp1p3/p1N1Pbr1/Bn6/b7

#3

9 + 14


SOLUTION


  • SOUND
  • Sets
    • 1...Ra6
      • 2.Rxb5#
    • 1...Ra7
      • 2.Rxb5#
    • 1...Ra8
      • 2.Rxb5#
  • Tries
    • 1.Sxb5?
      • threat
        • 2.Qc3#
      • 1...Sd1
        • 2.Sc3+
          • 2...Rb5
            • 3.Rxb5#
        • 2.Sd6+
          • 2...Rb5
            • 3.Rxb5#
        • 2.Sa7+
          • 2...Rb5
            • 3.Rxb5#
        • 2.Sc7+
          • 2...Rb5
            • 3.Rxb5#
      • 1...Sd3
        • 2.Sc3+
          • 2...Rb5
            • 3.Rxb5#
        • 2.Sd6+
          • 2...Rb5
            • 3.Rxb5#
        • 2.Sa7+
          • 2...Rb5
            • 3.Rxb5#
        • 2.Sc7+
          • 2...Rb5
            • 3.Rxb5#
      • 1...Rxb5!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Re5
          • threat
            • 3.Sd5#
          • 2...Ra6
            • 3.Rxb5#
          • 2...Ra7
            • 3.Rxb5#
          • 2...Ra8
            • 3.Rxb5#
      • 1...Rg5
        • 2.Rxg5
          • threat
            • 3.Sd5#
          • 2...Ra6
            • 3.Rxb5#
          • 2...Ra7
            • 3.Rxb5#
          • 2...Ra8
            • 3.Rxb5#
      • 1...Bg4
        • 2.Rf5
          • threat
            • 3.Sd5#
          • 2...Ra6
            • 3.Rxb5#
          • 2...Ra7
            • 3.Rxb5#
          • 2...Ra8
            • 3.Rxb5#
      • 1...f5
        • 2.Rdd7
          • threat
            • 3.Sd5#
          • 2...Ra6
            • 3.Rxb5#
          • 2...Ra7
            • 3.Rxb5#
          • 2...Ra8
            • 3.Rxb5#
      • 1...f6
        • 2.Sb1
          • threat
            • 3.Qc3#
          • 2...Sd1
            • 3.Qxc4#
          • 2...Sd3
            • 3.Qxc4#

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).