Problem Display
PID: 68727 (2r5/6rq/1b2b3/2p4Q/p2kN3/K2p2B1/6B1/2n2n2 w - - 0 1)

Bayer, Konrad

Schachzeitung der Berliner Schachgesellschaft, 1860

2r5/6rq/1b2b3/2p4Q/p2kN3/K2p2B1/6B1/2n2n2

#5

5 + 11


SOLUTION


  • COOKED
  • Keys
    • 1.Be5+!
      • 1...Kd5
        • 2.Sc3+
          • 2...Kc4
            • 3.Qe8
              • threat
                • 4.Qxa4#
                • 4.Qb5#
                • 4.Qxe6#
              • 3...Rxe8
                • 4.Bc6
                  • threat
                    • 5.Bb5#
                  • 4...Bd7
                    • 5.Bd5#
              • 3...Rd7
                • 4.Qxe6+
                  • 4...Rd5
                    • 5.Bxd5#
                    • 5.Qxd5#
              • 3...Rc6
                • 4.Qxe6+
                  • 4...Rxe6
                    • 5.Bd5#
                • 4.Bxc6
                  • threat
                    • 5.Bb5#
                    • 5.Qxe6#
                  • 4...Bd7
                    • 5.Bd5#
                • 4.Qxc6
                  • threat
                    • 5.Qxa4#
                    • 5.Qb5#
                    • 5.Qxe6#
                  • 4...Bd7
                    • 5.Bd5#
                    • 5.Qd5#
    • 1.Qe5+!
      • 1...Ke3
        • 2.Qf4+
          • 2...Kd4
            • 3.Sd6+
              • 3...Kc3
                • 4.Qxc1+
                  • 4...Kd4
                    • 5.Sb5#
              • 3...Qe4
                • 4.Qf6+
                  • 4...Ke3
                    • 5.Qf2#
                  • 4...Kd5
                    • 5.Bxe4#
                  • 4...Qe5
                    • 5.Qxe5#
            • 3.Qf6+
              • 3...Kd5
                • 4.Sd2+
                  • 4...Qe4
                    • 5.Bxe4#
                • 4.Sd6+
                  • 4...Qe4
                    • 5.Bxe4#

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).