Problem Display
PID: 117101 (Q5b1/1N6/3P2P1/P1Nk4/K5Pn/1PP1p3/1p1P2n1/8 w - - 0 1)

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

Nationaltidende, 1909

Q5b1/1N6/3P2P1/P1Nk4/K5Pn/1PP1p3/1p1P2n1/8

#3

11 + 6


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kc6
      • 2.Qe8+
        • 2...Kd5
          • 3.Qe4#
  • Tries
    • 1.Qxg8+?
      • 1...Kc6
        • 2.Qe8+
          • 2...Kd5
            • 3.Qe4#
        • 2.c4
          • threat
            • 3.Qd5#
            • 3.Qc8#
            • 3.Qe8#
      • 1...Ke5!
  • Keys
    • 1.d4!
      • threat
        • 2.Qxg8+
          • 2...Kc6
            • 3.d5#
      • 1...Kc6
        • 2.Qe8+
          • 2...Kd5
            • 3.Qe4#
      • 1...Be6
        • 2.c4+
          • 2...Kxd4
            • 3.Qh8#
          • 2...Kc6
            • 3.Qa6#
      • 1...Bf7
        • 2.c4+
          • 2...Kxd4
            • 3.Qh8#
          • 2...Kc6
            • 3.Qa6#
            • 3.Qc8#
      • 1...Bh7
        • 2.c4+
          • 2...Kxd4
            • 3.Qh8#
          • 2...Kc6
            • 3.Qa6#
            • 3.Qc8#
            • 3.Qe8#
            • 3.d5#
      • 1...Sf4
        • 2.Se4
          • threat
            • 3.Sbc5#
            • 3.Sd8#
          • 2...Kxe4
            • 3.Sc5#
          • 2...Kc6
            • 3.Sbc5#
          • 2...Ke6
            • 3.Sbc5#

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).