Problem Display
PID: 13639 (R4bb1/1p2p1p1/1Pp5/4B3/1pp5/1P6/BP6/k3K3 w - - 0 1)

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

Stal. Potschta, 1908

R4bb1/1p2p1p1/1Pp5/4B3/1pp5/1P6/BP6/k3K3

#3

7 + 9


SOLUTION


  • SOUND
  • Tries
    • 1.Kd1?
      • threat
        • 2.Kc1
          • threat
            • 3.Bb1#
      • 1...cxb3
        • 2.Bxb3+
          • 2...Kb1
            • 3.Bc2#
      • 1...Bh7
        • 2.Kc1
          • threat
            • 3.Bb1#
          • 2...Bb1
            • 3.Bxb1#
      • 1...g6
        • 2.Kc2
          • threat
            • 3.Bb1#
          • 2...cxb3+
            • 3.Bxb3#
      • 1...c3!
  • Keys
    • 1.Kd2!
      • threat
        • 2.Kc1
          • threat
            • 3.Bb1#
      • 1...c3+
        • 2.bxc3
          • threat
            • 3.cxb4#
            • 3.c4#
          • 2...bxc3+
            • 3.Bxc3#
          • 2...Kb2
            • 3.cxb4#
            • 3.c4#
      • 1...cxb3
        • 2.Bxb3+
          • 2...Kb1
            • 3.Bc2#
      • 1...Bh7
        • 2.Kc1
          • threat
            • 3.Bb1#
          • 2...Bb1
            • 3.Bxb1#
      • 1...g6
        • 2.Kc2
          • threat
            • 3.Bb1#
          • 2...cxb3+
            • 3.Bxb3#

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).