Problem Display
PID: 203133 (7Q/2pb4/p1p1p1PK/P1p1P2n/3kP3/P2P4/6p1/2NN4 w - - 0 1)

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

3rd HM., Lidove noviny, 1925

7Q/2pb4/p1p1p1PK/P1p1P2n/3kP3/P2P4/6p1/2NN4

#4

10 + 9


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qf8!
      • threat
        • 2.Qxc5+
          • 2...Kxc5
            • 3.Sb3+
              • 3...Kb5
                • 4.Sc3#
      • 1...Kxe5
        • 2.Qxc5+
          • 2...Kf4
            • 3.Se2+
              • 3...Kf3
                • 4.Qxh5#
              • 3...Kg4
                • 4.Qxh5#
      • 1...c4
        • 2.Qf2+
          • 2...Kxe5
            • 3.d4+
              • 3...Kxe4
                • 4.Sc3#
              • 3...Kd6
                • 4.Qf8#

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).