Problem Display
PID: 26225 (8/K1pN2p1/8/1P3PP1/1p1k2p1/8/2Q3N1/8 w - - 0 1)

Kohnlein, Friedrich

Deutsche Schachzeitung, 1900

8/K1pN2p1/8/1P3PP1/1p1k2p1/8/2Q3N1/8

#4

7 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Qb3!
      • 1...g3
        • 2.Se1
          • threat
            • 3.Qd3#
          • 2...Ke4
            • 3.Qf3+
              • 3...Kd4
                • 4.Qd3#
      • 1...c6
        • 2.Ka6
          • threat
            • 3.Qe3+
              • 3...Kc4
                • 4.Sb6#
              • 3...Kd5
                • 4.Qd3#
          • 2...Ke4
            • 3.Qe3+
              • 3...Kd5
                • 4.Qd3#
              • 3...Kxf5
                • 4.Sh4#
          • 2...cxb5
            • 3.Sb6
              • threat
                • 4.Qe3#
              • 3...Ke4
                • 4.Qd5#
              • 3...Kc5
                • 4.Qd5#
              • 3...Ke5
                • 4.Qd5#
      • 1...g6
        • 2.Se1
          • threat
            • 3.Qd3#
          • 2...Ke4
            • 3.Qg3
              • threat
                • 4.Qe5#
              • 3...Kd4
                • 4.Qd3#
              • 3...Kd5
                • 4.Qd3#
              • 3...Kxf5
                • 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).