Problem Display
PID: 37327 (8/3N4/1ppk1K2/7Q/8/8/8/8 w - - 0 1)

Konig, Antonin

Dufresne, 1864

8/3N4/1ppk1K2/7Q/8/8/8/8

#4

3 + 3


3757 Schachminiaturen I 1902

SOLUTION


  • SOUND
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qe5#
      • 1...Kc7
        • 2.Qf7+
          • 2...Kc8
            • 3.Qb7+
              • 3...Kd8
                • 4.Qd7#
                • 4.Qb8#
            • 3.Qd7+
              • 3...Kb8
                • 4.Qb7#
        • 2.Qh7+
          • 2...Kd6
            • 3.Sb7+
              • 3...Kd5
                • 4.Qd3#
          • 2...Kc8
            • 3.Qb7+
              • 3...Kd8
                • 4.Qd7#
                • 4.Qb8#
            • 3.Qd7+
              • 3...Kb8
                • 4.Qb7#
      • 1...bxc5
        • 2.Qf7
          • 2...c4
            • 3.Qe7+
              • 3...Kd5
                • 4.Qe5#
        • 2.Qh7
          • 2...c4
            • 3.Qe7+
              • 3...Kd5
                • 4.Qe5#

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).