Problem Display
PID: 198042 (8/8/8/1NkP4/2N4Q/6K1/8/8 w - - 0 1)

Orlimont, PA (= Ernst Krieger)

Deutsche Schachblatter, 1921

8/8/8/1NkP4/2N4Q/6K1/8/8

#4

5 + 1


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Keys
    • 1.Sbd6!
      • threat
        • 2.Qe4
          • 2...Kb4
            • 3.Qe3
              • 3...Ka4
                • 4.Qa3#
      • 1...Kb4
        • 2.Qd4
          • threat
            • 3.Qe3
              • 3...Ka4
                • 4.Qa3#
          • 2...Kb3
            • 3.Qb2+
              • 3...Ka4
                • 4.Qa3#
                • 4.Qb5#
          • 2...Ka4
            • 3.Qe3
              • 3...Kb4
                • 4.Qa3#
            • 3.Qd3
              • 3...Kb4
                • 4.Qa3#
      • 1...Kxd5
        • 2.Qh5+
          • 2...Kd4
            • 3.Qa5
              • 3...Kd3
                • 4.Qd2#
          • 2...Kc6
            • 3.Qf5
              • 3...Kc7
                • 4.Qc8#

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).