Problem Display
PID: 216546 (8/K2Q1p2/8/2k1p1n1/1b5q/p1p1P3/2N5/3N1B2 w - - 0 1)

Eberle, Stefan

9th Prize, Osterreichisches Problemturnier, 1952

8/K2Q1p2/8/2k1p1n1/1b5q/p1p1P3/2N5/3N1B2

#5

6 + 8


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Sf2!
      • threat
        • 2.Sd3+
          • 2...Kc4
            • 3.Sc1+
              • 3...Kc5
                • 4.Sb3#
        • 2.Kb7
          • threat
            • 3.Qc6#
          • 2...Qh1+
            • 3.Sxh1
              • threat
                • 4.Qc6#
          • 2...Qe4+
            • 3.Sxe4+
              • 3...Sxe4
                • 4.Qc6#
          • 2...Qh6
            • 3.Qc7+
              • 3...Kd5
                • 4.Bc4#
              • 3...Qc6+
                • 4.Qxc6#
        • 2.Bb5
          • threat
            • 3.Sd3#
            • 3.Qc6#
          • 2...Qe4
            • 3.Sd3+
              • 3...Qxd3
                • 4.Qc6#
      • 1...Qxf2
        • 2.Sd4
          • threat
            • 3.Sb3#
            • 3.Qc6#
          • 2...exd4
            • 3.e4
              • threat
                • 4.Qd5#
                • 4.Qc7#
              • 3...Sxe4
                • 4.Qc7+
                  • 4...Kd5
                    • 5.Bc4#
              • 3...Ba5
                • 4.Qd5+
                  • 4...Kb4
                    • 5.Qc4#
                    • 5.Qb5#

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).