Problem Display
PID: 20075 (6K1/8/1B2P3/4k2P/8/4N3/6B1/8 w - - 0 1)

Knotek, Ladislav

2nd HM., American Chess Bulletin, 1923

6K1/8/1B2P3/4k2P/8/4N3/6B1/8

#4

6 + 1


SOLUTION


  • SOUND
  • Keys
    • 1.e7!
      • 1...Kf4
        • 2.e8Q
          • 2...Kg3
            • 3.Qe4
              • threat
                • 4.Sf1#
              • 3...Kf2
                • 4.Sf1#
                • 4.Sf5#
              • 3...Kh2
                • 4.Sf1#
          • 2...Kg5
            • 3.Qe5+
              • 3...Kh4
                • 4.Bd8#
              • 3...Kh6
                • 4.Sg4#
      • 1...Kd6
        • 2.e8R
          • 2...Kd7
            • 3.Sf5
              • 3...Kxe8
                • 4.Bc6#
      • 1...Kf6
        • 2.e8Q
          • 2...Kg5
            • 3.Qe5+
              • 3...Kh4
                • 4.Bd8#
              • 3...Kh6
                • 4.Sg4#

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).