Problem Display
PID: 35129 (8/8/8/1K4p1/B5k1/8/7Q/8 w - - 0 1)

Knotek, Ladislav

Zlata Praha, 1919

8/8/8/1K4p1/B5k1/8/7Q/8

#4

3 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Qf2!
      • threat
        • 2.Bd1+
          • 2...Kh3
            • 3.Be2
              • 3...g4
                • 4.Bf1#
      • 1...Kh3
        • 2.Bd1
          • 2...g4
            • 3.Qg1
              • 3...Kh4
                • 4.Qxg4#
              • 3...g3
                • 4.Qh1#
      • 1...Kh5
        • 2.Bc2
          • 2...Kg4
            • 3.Bf5+
              • 3...Kh5
                • 4.Qh2#
          • 2...Kh6
            • 3.Qf7
              • 3...g4
                • 4.Qg6#
          • 2...g4
            • 3.Qf6
              • 3...g3
                • 4.Bd1#

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).