Problem Display
PID: 3381 (1N6/kP1P4/N1P5/p7/K7/P7/8/8 w - - 0 1)

Orlimont, PA (= Ernst Krieger)

Pfalzischer Merkur, 1934

1N6/kP1P4/N1P5/p7/K7/P7/8/8

#3

7 + 2


SOLUTION


  • SOUND
  • Sets
    • 1...Kb6
      • 2.d8Q+
        • 2...Ka7
          • 3.Qd4#
  • Tries
    • 1.Kb3?
      • 1...Kb6
        • 2.d8Q+
          • 2...Kb5
            • 3.a4#
          • 2...Ka7
            • 3.Qd4#
      • 1...a4+!
    • 1.Sc5?
      • 1...Kxb8
        • 2.d8Q+
          • 2...Ka7
            • 3.b8Q#
      • 1...Kb6!
    • 1.Sc7?
      • 1...Kxb8
        • 2.d8Q+
          • 2...Ka7
            • 3.b8Q#
      • 1...Kb6!
    • 1.c7?
      • threat
        • 2.d8S
          • 2...Kb6
            • 3.c8S#
      • 1...Kb6
        • 2.d8S
          • 2...Ka7
            • 3.c8S#
      • 1...Kxb7!
  • Keys
    • 1.d8S!
      • 1...Kb6
        • 2.c7
          • 2...Ka7
            • 3.c8S#

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).