Problem Display
PID: 185539 (1N2Kn2/4n3/1p2Nb2/2PPk3/8/5Q2/2P3P1/4r3 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

1st Prize, Neue Schachzeitung, 1909

1N2Kn2/4n3/1p2Nb2/2PPk3/8/5Q2/2P3P1/4r3

#3

8 + 6


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Sxd5
      • 2.Sc6+
        • 2...Kxe6
          • 3.Qg4#
          • 3.Qh3#
    • 1...Sf5
      • 2.Sc6#
    • 1...Sc6
      • 2.Sxc6#
    • 1...Seg6
      • 2.Sc6#
    • 1...Sc8
      • 2.Sc6#
    • 1...Sg8
      • 2.Sc6#
    • 1...Sxe6
      • 2.Sd7+
        • 2...Kd4
          • 3.Qd3#
    • 1...Sfg6
      • 2.Sd7#
    • 1...Sd7
      • 2.Sxd7#
    • 1...Sh7
      • 2.Sd7#
    • 1...bxc5
      • 2.Qf4+
        • 2...Kxd5
          • 3.Sc7#
  • Keys
    • 1.g4!
      • threat
        • 2.Sc6+
          • 2...Sxc6
            • 3.Qf5#
      • 1...Sxe6
        • 2.Sd7+
          • 2...Kd4
            • 3.Qd3#
      • 1...bxc5
        • 2.Qf4+
          • 2...Kxd5
            • 3.Sc7#
      • 1...Re4
        • 2.Qc3+
          • 2...Kxd5
            • 3.Sc7#
          • 2...Rd4
            • 3.Qxd4#
      • 1...Rf1
        • 2.Qe2+
          • 2...Kxd5
            • 3.c4#

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).