Problem Display
PID: 186460 (5k2/3p4/4pBP1/6R1/1P6/K1pnr3/n1r5/4bb2 w - - 0 1)

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

Kubbel Collection, 1911

5k2/3p4/4pBP1/6R1/1P6/K1pnr3/n1r5/4bb2

#4

5 + 10


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Rb5!
      • threat
        • 2.Rb8#
      • 1...Bg3
        • 2.Ra5
          • threat
            • 3.Ra8+
              • 3...Bb8
                • 4.Rxb8#
          • 2...Ke8
            • 3.Ra8+
              • 3...Bb8
                • 4.Rxb8#
          • 2...Kg8
            • 3.Ra8+
              • 3...Bb8
                • 4.Rxb8#
          • 2...Bg2
            • 3.Rh5
              • threat
                • 4.Rh8#
              • 3...Ke8
                • 4.Rh8#
              • 3...Kg8
                • 4.Rh8#
          • 2...Bh2
            • 3.Ra8+
              • 3...Bb8
                • 4.Rxb8#
          • 2...Bf4
            • 3.Ra8+
              • 3...Bb8
                • 4.Rxb8#
          • 2...Be5
            • 3.Ra8+
              • 3...Bb8
                • 4.Rxb8#
          • 2...Bd6
            • 3.Ra8+
              • 3...Bb8
                • 4.Rxb8#
          • 2...Bc7
            • 3.Ra8+
              • 3...Bb8
                • 4.Rxb8#
              • 3...Bd8
                • 4.Rxd8#
          • 2...Bb8
            • 3.Ra8
              • threat
                • 4.Rxb8#
              • 3...Ke8
                • 4.Rxb8#
              • 3...Kg8
                • 4.Rxb8#

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).