Problem Display
PID: 12658 (2n4q/bQ6/4ppp1/1p1r1n1N/1R1pkP2/1p2P3/4P3/3N2K1 w - - 0 1)

Rosberger, Jack

StrateGems, 2000

2n4q/bQ6/4ppp1/1p1r1n1N/1R1pkP2/1p2P3/4P3/3N2K1

#3

8 + 12


SOLUTION


  • SOUND
  • Sets
    • 1...Qh6
      • 2.Sxf6#
    • 1...Qh7
      • 2.Sxf6#
    • 1...Qe8
      • 2.Sxf6#
    • 1...Qg8
      • 2.Sxf6#
    • 1...Bb8
      • 2.Rxd4+
        • 2...Sxd4
          • 3.Sg3#
    • 1...Sg3
      • 2.Sxg3#
    • 1...Sh4
      • 2.Sg3#
    • 1...Sfd6
      • 2.Sg3#
    • 1...Sh6
      • 2.Sg3#
    • 1...Sfe7
      • 2.Sg3#
    • 1...Sg7
      • 2.Sg3#
    • 1...Sb6
      • 2.Rxd4+
        • 2...Sxd4
          • 3.Sg3#
  • Tries
    • 1.Kf2?
      • threat
        • 2.Sc3#
      • 1...Sg3
        • 2.Sxg3#
      • 1...Sh4
        • 2.Sg3#
      • 1...Sfd6
        • 2.Sg3#
      • 1...Sh6
        • 2.Sg3#
      • 1...Sfe7
        • 2.Sg3#
      • 1...Sg7
        • 2.Sg3#
      • 1...Sxe3!
    • 1.Rxd4+?
      • 1...Sxd4
        • 2.Sg3#
      • 1...Bxd4!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Sxf6+
          • 2...Qxf6
            • 3.Qh1#
      • 1...Sxe3
        • 2.Qxg6+
          • 2...Rf5
            • 3.Sc3#
          • 2...Sf5
            • 3.Qg2#
          • 2...f5
            • 3.Sf2#
            • 3.Sc3#
      • 1...gxh5
        • 2.Kf2
          • threat
            • 3.Sc3#
          • 2...Rc5
            • 3.Rxd4#
      • 1...Qg7
        • 2.Sxf6+
          • 2...Qxf6
            • 3.Qh1#
      • 1...Qd8
        • 2.Sxf6+
          • 2...Qxf6
            • 3.Qh1#
        • 2.Qxg6
          • threat
            • 3.Sg3#
            • 3.Qg2#
      • 1...Qf8
        • 2.Sxf6+
          • 2...Qxf6
            • 3.Qh1#
        • 2.Qxg6
          • threat
            • 3.Sg3#
            • 3.Qg2#

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).