Problem Display
PID: 20615 (k7/pbK2pp1/rp1p3n/1N6/2Q5/b7/5n2/5B2 w - - 0 1)

Przepiorka, Dawid

Shakhmatnoe obozrenie, 1910

k7/pbK2pp1/rp1p3n/1N6/2Q5/b7/5n2/5B2

#5

4 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Bg2!
      • threat
        • 2.Bxb7#
      • 1...Bxg2
        • 2.Qe2
          • threat
            • 3.Qe8#
          • 2...Be4
            • 3.Qxe4+
              • 3...Sxe4
                • 4.Kc8
                  • threat
                    • 5.Sc7#
          • 2...Bc6
            • 3.Kxc6
              • threat
                • 4.Qe8#
              • 3...Se4
                • 4.Qxe4
                  • threat
                    • 5.Qe8#
                  • 4...Kb8
                    • 5.Qe8#
            • 3.Qe7
              • threat
                • 4.Qd8#
              • 3...Bb7
                • 4.Qd8+
                  • 4...Bc8
                    • 5.Qxc8#
                • 4.Qf8+
                  • 4...Bc8
                    • 5.Qxc8#
                • 4.Qe8+
                  • 4...Bc8
                    • 5.Qxc8#
              • 3...Bd7
                • 4.Qd8+
                  • 4...Bc8
                    • 5.Qxc8#
                • 4.Qf8+
                  • 4...Bc8
                    • 5.Qxc8#
                  • 4...Be8
                    • 5.Qxe8#
                • 4.Qxd7
                  • threat
                    • 5.Qc6#
                    • 5.Qc8#
                    • 5.Qe8#
                    • 5.Qd8#
          • 2...Se4
            • 3.Qg4
              • threat
                • 4.Qc8#
              • 3...Sxg4
                • 4.Kc8
                  • threat
                    • 5.Sc7#
              • 3...Bh3
                • 4.Qxe4+
                  • 4...d5
                    • 5.Qxd5#
              • 3...Sf5
                • 4.Qxf5
                  • threat
                    • 5.Qc8#
                    • 5.Qd5#
              • 3...f5
                • 4.Kc8
                  • threat
                    • 5.Sc7#

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).