Problem Display
PID: 185315 (1K6/p7/b1Pp4/3P4/1Q5P/1p2N2N/1r1rp3/4k3 w - - 0 1)

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

British Chess Magazine, 1918

1K6/p7/b1Pp4/3P4/1Q5P/1p2N2N/1r1rp3/4k3

#4

7 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Sf2!
      • threat
        • 2.Se4
          • threat
            • 3.Qxd6
              • threat
                • 4.Qg3#
      • 1...Kxf2
        • 2.Qf4+
          • 2...Kg1
            • 3.Qg3+
              • 3...Kh1
                • 4.Qg2#
      • 1...Rb1
        • 2.Se4
          • threat
            • 3.Qxd2#
          • 2...Rd1
            • 3.Qxd6
              • threat
                • 4.Qg3#
          • 2...Rb2
            • 3.Qxd6
              • threat
                • 4.Qg3#
      • 1...Rc2
        • 2.Sd3+
          • 2...Bxd3
            • 3.Qf4
              • threat
                • 4.Qg3#
              • 3...Rd1
                • 4.Sg2#

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).