Problem Display
PID: 69085 (8/2nR4/1Pp4N/K1k3qR/P2p3n/1Ppp4/2P1p3/7b w - - 0 1)

Stephenson, Brian D

WCSC, 2000

8/2nR4/1Pp4N/K1k3qR/P2p3n/1Ppp4/2P1p3/7b

#3

8 + 10


5926 Chess Solving Yearbook 2000 2004

SOLUTION


  • SOUND
  • Sets
    • 1...Se6
      • 2.cxd3
        • threat
          • 3.b4#
    • 1...Sa8
      • 2.cxd3
        • threat
          • 3.b4#
  • Keys
    • 1.Sf7!
      • threat
        • 2.Sd8
          • threat
            • 3.Sb7#
      • 1...Bd5
        • 2.b4+
          • 2...Kc4
            • 3.Sd6#
      • 1...Sf5
        • 2.b4+
          • 2...Kc4
            • 3.Se5#
      • 1...Sb5
        • 2.Sxg5
          • threat
            • 3.Se4#
            • 3.Se6#
      • 1...Sd5
        • 2.Sd6
          • threat
            • 3.Sb7#
      • 1...Sa6
        • 2.Sxg5
          • threat
            • 3.Se4#
            • 3.Se6#
        • 2.Sd8
          • threat
            • 3.Se6#
            • 3.Sb7#
      • 1...Se6
        • 2.cxd3
          • threat
            • 3.b4#
      • 1...Sa8
        • 2.Sxg5
          • threat
            • 3.Se4#
            • 3.Se6#
        • 2.Sd8
          • threat
            • 3.Se6#
            • 3.Sb7#
        • 2.cxd3
          • threat
            • 3.b4#
      • 1...Se8
        • 2.Sxg5
          • threat
            • 3.Se4#
            • 3.Se6#

This is a version of 9090

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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).