Problem Display
PID: 209307 (nk6/p1p2pK1/B4p2/b7/b1P5/P2pP3/Q4p1p/8 w - - 0 1)

Kubat, Frantisek

Suomen Shakki, 1991

nk6/p1p2pK1/B4p2/b7/b1P5/P2pP3/Q4p1p/8

#5

6 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Qb1+!
      • 1...Bb4
        • 2.Qxb4+
          • 2...Sb6
            • 3.Qf8+
              • 3...Be8
                • 4.Qxe8+
                  • 4...Sc8
                    • 5.Qxc8#
      • 1...Bb6
        • 2.Qh1
          • threat
            • 3.Qb7#
          • 2...c6
            • 3.Qxh2+
              • 3...Bc7
                • 4.Qh8+
                  • 4...Bd8
                    • 5.Qxd8#
              • 3...Sc7
                • 4.Qd6
                  • threat
                    • 5.Qd8#
                  • 4...Ka8
                    • 5.Qd8#
      • 1...Sb6
        • 2.Qh1
          • threat
            • 3.Qb7#
          • 2...Bc6
            • 3.Qxc6
              • threat
                • 4.Qb7#
              • 3...h1Q
                • 4.Qe8+
                  • 4...Sc8
                    • 5.Qxc8#
              • 3...h1B
                • 4.Qe8+
                  • 4...Sc8
                    • 5.Qxc8#
          • 2...Sd5
            • 3.Qxd5
              • threat
                • 4.Qb7#
                • 4.Qd8#
              • 3...c6
                • 4.Qxa5
                  • threat
                    • 5.Qd8#
                  • 4...Ka8
                    • 5.Qd8#
                • 4.Qd7
                  • threat
                    • 5.Qc8#
                    • 5.Qb7#
                  • 4...Ka8
                    • 5.Qc8#
                    • 5.Qb7#
          • 2...c6
            • 3.Qxh2+
              • 3...Ka8
                • 4.Qh8+
                  • 4...Sc8
                    • 5.Qxc8#
                • 4.Qc7
                  • threat
                    • 5.Bb7#
                    • 5.Qb7#

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).