Problem Display
PID: 66073 (8/4N3/1Q2p3/8/2k2P2/8/2K3P1/8 w - - 0 1)

Bayer, Konrad

Schachzeitung der Berliner Schachgesellschaft, 1858

8/4N3/1Q2p3/8/2k2P2/8/2K3P1/8

#4

5 + 2


SOLUTION


  • COOKED
  • Keys
    • 1.Sf5!
      • threat
        • 2.Se3#
      • 1...exf5
        • 2.Kd2
          • 2...Kd5
            • 3.Kc3
              • 3...Ke4
                • 4.Qd4#
    • 1.Qa5!
      • threat
        • 2.Sc8
          • threat
            • 3.Sb6+
              • 3...Kd4
                • 4.Qe5#
            • 3.Sd6+
              • 3...Kd4
                • 4.Qe5#
          • 2...Kd4
            • 3.Sd6
              • threat
                • 4.Qe5#
              • 3...Ke3
                • 4.Qd2#
              • 3...e5
                • 4.Qxe5#
          • 2...e5
            • 3.Sb6+
              • 3...Kd4
                • 4.Qxe5#
            • 3.Sd6+
              • 3...Kd4
                • 4.Qxe5#
      • 1...e5
        • 2.Qd5+
          • 2...Kb4
            • 3.Sc6+
              • 3...Ka3
                • 4.Qb3#
                • 4.Qa5#
              • 3...Ka4
                • 4.Qb3#
                • 4.Qa5#
    • 1.Qd6!
      • 1...Kb5
        • 2.Kb3
          • threat
            • 3.Sc8
              • threat
                • 4.Qb6#
              • 3...Ka5
                • 4.Qb6#
          • 2...Ka5
            • 3.Sc8
              • threat
                • 4.Qb6#
              • 3...Kb5
                • 4.Qb6#
      • 1...e5
        • 2.Qd5+
          • 2...Kb4
            • 3.Sc6+
              • 3...Ka3
                • 4.Qb3#
                • 4.Qa5#
              • 3...Ka4
                • 4.Qb3#
                • 4.Qa5#

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).