Problem Display
PID: 33937 (3b4/3p2r1/8/p2pN1pp/3k4/3N4/2B4Q/7K w - - 0 1)

Kos, Ivan

Deutsche Schachzeitung, 1865

3b4/3p2r1/8/p2pN1pp/3k4/3N4/2B4Q/7K

#4

5 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Sf3+!
      • 1...Kc3
        • 2.Bb3
          • threat
            • 3.Qc2#
          • 2...Kxb3
            • 3.Qb2+
              • 3...Ka4
                • 4.Sc5#
              • 3...Kc4
                • 4.Sfe5#
          • 2...Kxd3
            • 3.Bxd5
              • threat
                • 4.Qd2#
              • 3...Kc3
                • 4.Qd2#
              • 3...Ke3
                • 4.Qd2#
      • 1...Kc4
        • 2.Qb8
          • threat
            • 3.Qb3#
          • 2...Bb6
            • 3.Qxb6
              • threat
                • 4.Qc5#
                • 4.Qb3#
              • 3...Kc3
                • 4.Qc5#
                • 4.Qc7#
                • 4.Qb3#

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).