Problem Display
PID: 218782 (n7/2p2K2/5B2/1r3k2/2R3p1/4pr2/1nP3P1/Q5N1 w - - 0 1)

Slater, George James

English Mechanic and World of Science, 1874

(First published on Fri May 1 1874)

n7/2p2K2/5B2/1r3k2/2R3p1/4pr2/1nP3P1/Q5N1

#3

7 + 8


15239 Valois Notebooks 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Rf1
      • 2.Qxf1#
    • 1...Ra5
      • 2.Qxa5+
        • 2...c5
          • 3.Qxc5#
    • 1...Sd1
      • 2.Sxf3
        • threat
          • 3.Sh4#
        • 2...gxf3
          • 3.g4#
      • 2.Qd4
        • threat
          • 3.Qd3#
          • 3.Qe4#
          • 3.Qxg4#
          • 3.Qd7#
    • 1...Sa4
      • 2.Sxf3
        • threat
          • 3.Sh4#
        • 2...gxf3
          • 3.g4#
      • 2.Qd4
        • threat
          • 3.Qd3#
          • 3.Qe4#
          • 3.Qxg4#
          • 3.Qd7#
    • 1...g3
      • 2.Qxa8
        • threat
          • 3.Qxf3#
          • 3.Qe4#
          • 3.Qc8#
        • 2...Rd5
          • 3.Qxd5#
  • Tries
    • 1.Sxf3?
      • threat
        • 2.Sh4#
      • 1...gxf3
        • 2.g4#
      • 1...Sxc4!
    • 1.Qa6?
      • threat
        • 2.Qc8#
        • 2.Qe6#
      • 1...Sxc4
        • 2.Qe6+
          • 2...Kf4
            • 3.Se2#
      • 1...Re5
        • 2.Qc8+
          • 2...Re6
            • 3.Qxe6#
      • 1...Rb6
        • 2.Qc8+
          • 2...Re6
            • 3.Qxe6#
      • 1...Sb6!
    • 1.Qxa8?
      • threat
        • 2.Qe4#
        • 2.Qc8#
      • 1...Re5
        • 2.Qxf3+
          • 2...gxf3
            • 3.g4#
        • 2.Qc8+
          • 2...Re6
            • 3.Qxe6#
      • 1...Sxc4!
  • Keys
    • 1.Qd1!
      • threat
        • 2.Qd7#
      • 1...Sxd1
        • 2.Sxf3
          • threat
            • 3.Sh4#
          • 2...gxf3
            • 3.g4#
      • 1...Sxc4
        • 2.Qd3+
          • 2...Kf4
            • 3.Se2#
      • 1...Re5
        • 2.Qxf3+
          • 2...gxf3
            • 3.g4#
        • 2.Qd7+
          • 2...Re6
            • 3.Qxe6#
      • 1...Sb6
        • 2.Qxf3+
          • 2...gxf3
            • 3.g4#

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).