Problem Display
PID: 182949 (3N4/1rp2Q2/2R5/1p2k2p/3p2p1/8/6p1/6K1 w - - 0 1)

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

Deutsche Schachzeitung, 1908

3N4/1rp2Q2/2R5/1p2k2p/3p2p1/8/6p1/6K1

#4

4 + 8


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Se6!
      • threat
        • 2.Qf4+
          • 2...Kd5
            • 3.Qxd4+
              • 3...Kxc6
                • 4.Sd8#
        • 2.Sg5
          • threat
            • 3.Rc5+
              • 3...Kd6
                • 4.Se4#
            • 3.Qf6+
              • 3...Kd5
                • 4.Qe6#
          • 2...d3
            • 3.Rc5+
              • 3...Kd4
                • 4.Qf2#
              • 3...Kd6
                • 4.Se4#
      • 1...Ke4
        • 2.Sc5+
          • 2...Ke5
            • 3.Qf6+
              • 3...Kd5
                • 4.Qe6#
      • 1...Kd5
        • 2.Sf4+
          • 2...Ke4
            • 3.Re6+
              • 3...Kf3
                • 4.Se2#
                • 4.Sxh5#
          • 2...Kxc6
            • 3.Qe6+
              • 3...Kc5
                • 4.Sd3#
      • 1...Rb8
        • 2.Sg5
          • threat
            • 3.Rc5+
              • 3...Kd6
                • 4.Se4#
                • 4.Qxc7#
            • 3.Qf6+
              • 3...Kd5
                • 4.Qe6#
          • 2...d3
            • 3.Rc5+
              • 3...Kd4
                • 4.Qf2#
              • 3...Kd6
                • 4.Se4#
                • 4.Qxc7#
          • 2...Re8
            • 3.Rc5+
              • 3...Kd6
                • 4.Qxc7#
      • 1...d3
        • 2.Qf4+
          • 2...Kd5
            • 3.Qd4+
              • 3...Kxc6
                • 4.Sd8#

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).