Problem Display
PID: 13384 (k5br/pp5p/4p3/4B3/5p2/2p2Q2/R6K/b7 w - - 0 1)

Kohnlein, Friedrich

Deutsche Schachzeitung, 1901

k5br/pp5p/4p3/4B3/5p2/2p2Q2/R6K/b7

#3

4 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...a5
      • 2.Rxa5#
    • 1...a6
      • 2.Rxa6#
  • Tries
    • 1.Qd5?
      • threat
        • 2.Qd8#
      • 1...Bf7
        • 2.Rxa7+
          • 2...Kxa7
            • 3.Qa5#
      • 1...exd5!
    • 1.Qf2?
      • threat
        • 2.Rxa7#
        • 2.Qxa7#
      • 1...b6
        • 2.Qf3#
      • 1...a5
        • 2.Rxa5#
      • 1...a6!
    • 1.Qd3?
      • threat
        • 2.Qd8#
      • 1...a6
        • 2.Rxa6+
          • 2...bxa6
            • 3.Qxa6#
      • 1...Bf7!
  • Keys
    • 1.Ra6!
      • threat
        • 2.Qf2
          • threat
            • 3.Rxa7#
            • 3.Qxa7#
          • 2...bxa6
            • 3.Qf3#
          • 2...b6
            • 3.Qf3#
      • 1...c2
        • 2.Rb6
          • threat
            • 3.Qxb7#
          • 2...axb6
            • 3.Qa3#

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).