Problem Display
PID: 146548 (3R1BB1/p2r1q2/2Nppbp1/1PP3P1/1Pp1kNQR/2P5/K2P2Pn/8 w - - 0 1)

le Grand, Henk

Probleemblad, 2012

3R1BB1/p2r1q2/2Nppbp1/1PP3P1/1Pp1kNQR/2P5/K2P2Pn/8

#3

15 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...Sf1
      • 2.Qf3+
        • 2...Kf5
          • 3.Sh3#
    • 1...Sf3
      • 2.gxf3#
  • Tries
    • 1.Qf3+?
      • 1...Kf5
        • 2.Sh3+
          • 2...Sxf3
            • 3.Rf4#
      • 1...Sxf3!
    • 1.d3+?
      • 1...Ke3
        • 2.Qe2#
      • 1...cxd3!
  • Keys
    • 1.Qh3!
      • threat
        • 2.d3+
          • 2...cxd3
            • 3.Qxd3#
      • 1...dxc5
        • 2.Sxe6+
          • 2...Kd5
            • 3.Sc7#
          • 2...Sg4
            • 3.Qf3#
      • 1...Sg4
        • 2.Qf3+
          • 2...Kf5
            • 3.Sh3#
      • 1...e5
        • 2.Sh5+
          • 2...Kd5
            • 3.Sxf6#
          • 2...Sg4
            • 3.Qf3#

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).