Problem Display
PID: 26233 (1K6/3N4/3k4/5B2/p6P/P3B3/P1R5/8 w - - 0 1)

Kohnlein, Friedrich

Barmens Schackfor., 1905

1K6/3N4/3k4/5B2/p6P/P3B3/P1R5/8

#4

8 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Rc7!
      • threat
        • 2.Sc5
          • threat
            • 3.Se4+
              • 3...Kd5
                • 4.Rc5#
              • 3...Ke5
                • 4.Rc5#
          • 2...Kd5
            • 3.Se4
              • 3...Ke5
                • 4.Rc5#
          • 2...Ke5
            • 3.Be4
              • 3...Kd6
                • 4.Bf4#
              • 3...Kf6
                • 4.Bd4#
      • 1...Kd5
        • 2.Sc5
          • threat
            • 3.Se4
              • 3...Ke5
                • 4.Rc5#
          • 2...Kc4
            • 3.Sb7+
              • 3...Kb5
                • 4.Bd3#
              • 3...Kd5
                • 4.Rc5#
          • 2...Ke5
            • 3.Be4
              • 3...Kd6
                • 4.Bf4#
              • 3...Kf6
                • 4.Bd4#
          • 2...Kd6
            • 3.Se4+
              • 3...Kd5
                • 4.Rc5#
              • 3...Ke5
                • 4.Rc5#
      • 1...Ke7
        • 2.Bd4
          • 2...Kd6
            • 3.Se5
              • 3...Kd5
                • 4.Rd7#
          • 2...Kf7
            • 3.Sf6+
              • 3...Kf8
                • 4.Bc5#
          • 2...Kd8
            • 3.Bf6+
              • 3...Ke8
                • 4.Bg6#
          • 2...Ke8
            • 3.Sf6+
              • 3...Kd8
                • 4.Rd7#
              • 3...Kf8
                • 4.Bc5#

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).