Problem Display
PID: 159929 (5RB1/7p/1pKP2k1/b3B2b/1p3Pp1/1p4p1/1P4P1/8 w - - 0 1)

Wagner, Klaus-Dieter

Schach, 2001

5RB1/7p/1pKP2k1/b3B2b/1p3Pp1/1p4p1/1P4P1/8

#5

8 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Kb5!
      • threat
        • 2.d7
          • threat
            • 3.d8Q
              • threat
                • 4.Qg5#
                • 4.Qf6#
                • 4.Qd6#
              • 3...Kh6
                • 4.Qg5#
          • 2...Kh6
            • 3.d8Q
              • threat
                • 4.Qg5#
              • 3...Be8+
                • 4.Rxe8
                  • threat
                    • 5.Qg5#
                  • 4...Kh5
                    • 5.Qg5#
                  • 4...Kg6
                    • 5.Qg5#
      • 1...Kh6
        • 2.d7
          • threat
            • 3.d8Q
              • threat
                • 4.Qg5#
              • 3...Be8+
                • 4.Rxe8
                  • threat
                    • 5.Qg5#
                  • 4...Kh5
                    • 5.Qg5#
                  • 4...Kg6
                    • 5.Qg5#
          • 2...Bf7
            • 3.d8Q
              • threat
                • 4.Qg5#
              • 3...Bc4+
                • 4.Bxc4
                  • threat
                    • 5.Qg5#
                  • 4...Kh5
                    • 5.Qg5#
                  • 4...Kg6
                    • 5.Qg5#
              • 3...Be8+
                • 4.Rxe8
                  • threat
                    • 5.Qg5#
                  • 4...Kh5
                    • 5.Qg5#
                  • 4...Kg6
                    • 5.Qg5#
          • 2...Be8
            • 3.dxe8S
              • 3...Kh5
                • 4.Bf7+
                  • 4...Kh4
                    • 5.Bf6#
                  • 4...Kh6
                    • 5.Bg7#
              • 3...Kg6
                • 4.Bf7+
                  • 4...Kf5
                    • 5.Sd6#
                  • 4...Kh6
                    • 5.Bg7#
          • 2...Bg6
            • 3.d8Q
              • threat
                • 4.Qg5#
              • 3...Bd3+
                • 4.Qxd3
                  • 4...Kh5
                    • 5.Qxh7#
              • 3...Be8+
                • 4.Rxe8
                  • threat
                    • 5.Qg5#
                  • 4...Kh5
                    • 5.Qg5#
                  • 4...Kg6
                    • 5.Qg5#

FEATURES


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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).