Problem Display
PID: 62290 (4k3/3NpN2/p4pp1/2pQ4/n1p3n1/2p5/2P5/1K6 w - - 0 1)

Breuer, Josef Johann

3rd Prize, Schach, 1952

4k3/3NpN2/p4pp1/2pQ4/n1p3n1/2p5/2P5/1K6

#5

5 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Qe6!
      • threat
        • 2.Sd6+
          • 2...Kd8
            • 3.Sf8
              • threat
                • 4.Qd7#
                • 4.Qc8#
              • 3...Kc7
                • 4.Qd7+
                  • 4...Kb6
                    • 5.Sxc4#
                  • 4...Kb8
                    • 5.Qb7#
              • 3...Sb6
                • 4.Qd7+
                  • 4...Sxd7
                    • 5.Se6#
      • 1...Sb2
        • 2.Sxf6+
          • 2...Kf8
            • 3.Sxg4
              • threat
                • 4.Sfh6
                  • threat
                    • 5.Qf7#
                    • 5.Qg8#
                  • 4...Kg7
                    • 5.Qg8#
                  • 4...Ke8
                    • 5.Qc8#
              • 3...Kg7
                • 4.Sfh6
                  • threat
                    • 5.Qg8#
                  • 4...Kh7
                    • 5.Qg8#
                  • 4...Kf8
                    • 5.Qf7#
                    • 5.Qg8#
                  • 4...Kh8
                    • 5.Qg8#
              • 3...Ke8
                • 4.Sd6+
                  • 4...Kd8
                    • 5.Qc8#
                  • 4...Kf8
                    • 5.Qf7#
                • 4.Sfe5
                  • threat
                    • 5.Qc8#
                    • 5.Qg8#
                  • 4...Kd8
                    • 5.Qd7#
                  • 4...Kf8
                    • 5.Qf7#
              • 3...Kg8
                • 4.Sfh6+
                  • 4...Kg7
                    • 5.Qg8#
                  • 4...Kh7
                    • 5.Qg8#
                  • 4...Kf8
                    • 5.Qf7#
                    • 5.Qg8#
                  • 4...Kh8
                    • 5.Qg8#
      • 1...Sb6
        • 2.Sd6+
          • 2...Kd8
            • 3.Sxb6
              • threat
                • 4.Qd7#
                • 4.Qc8#
              • 3...Kc7
                • 4.Qd7+
                  • 4...Kxb6
                    • 5.Sxc4#
                  • 4...Kb8
                    • 5.Qb7#
      • 1...a5
        • 2.Sd6+
          • 2...Kd8
            • 3.Sxc5
              • threat
                • 4.Qd7#
                • 4.Qc8#
              • 3...Kc7
                • 4.Sb5+
                  • 4...Kb8
                    • 5.Qg8#
                  • 4...Kd8
                    • 5.Qd7#
                    • 5.Qg8#
              • 3...Sb6
                • 4.Qd7+
                  • 4...Sxd7
                    • 5.Se6#
            • 3.Sf8
              • threat
                • 4.Qd7#
                • 4.Qc8#
              • 3...Kc7
                • 4.Qd7+
                  • 4...Kb6
                    • 5.Qb7#
                  • 4...Kb8
                    • 5.Qb7#
              • 3...Sb6
                • 4.Qd7+
                  • 4...Sxd7
                    • 5.Se6#

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).