Problem Display
PID: 5940 (6n1/1p6/1pN4p/3k1p2/8/2Q5/1Pp1R3/1bK5 w - - 0 1)

Bull, Cecil Alfred Lucas

Zlata Praha, 1924

6n1/1p6/1pN4p/3k1p2/8/2Q5/1Pp1R3/1bK5

#3

5 + 8


5371 Sonatas in Chess 1960

SOLUTION


  • SOUND
  • Sets
    • 1...Se7
      • 2.Rd2+
        • 2...Ke4
          • 3.Rd4#
        • 2...Ke6
          • 3.Sd8#
  • Tries
    • 1.Rd2+?
      • 1...Ke4
        • 2.Rd4#
      • 1...Ke6!
    • 1.Qc4+?
      • 1...Kd6
        • 2.Sb8
          • threat
            • 3.Re6#
      • 1...Kxc4!
    • 1.b4?
      • threat
        • 2.Sb8
          • threat
            • 3.Qd3#
          • 2...Kd6
            • 3.Qe5#
      • 1...Kd6
        • 2.Sb8
          • threat
            • 3.Qe5#
          • 2...Kd5
            • 3.Qd3#
      • 1...Ba2
        • 2.Sb8
          • threat
            • 3.Qd3#
          • 2...Kd6
            • 3.Qe5#
          • 2...Bc4
            • 3.Qe5#
      • 1...Se7
        • 2.Rd2+
          • 2...Ke4
            • 3.Rd4#
          • 2...Ke6
            • 3.Sd8#
      • 1...Sf6!
  • Keys
    • 1.b3!
      • threat
        • 2.Sb8
          • threat
            • 3.Qe5#
          • 2...Kd6
            • 3.Qe5#
      • 1...Kd6
        • 2.Sb8
          • threat
            • 3.Qe5#
          • 2...Kd5
            • 3.Qe5#
      • 1...Sf6
        • 2.Qxf6
          • threat
            • 3.Re5#
          • 2...Kc5
            • 3.Re5#
          • 2...bxc6
            • 3.Qe5#
      • 1...Ba2
        • 2.Qd3+
          • 2...Kc5
            • 3.Rxc2#
          • 2...Kxc6
            • 3.Rxc2#
      • 1...Se7
        • 2.Rd2+
          • 2...Ke4
            • 3.Rd4#
          • 2...Ke6
            • 3.Sd8#

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).