Problem Display
PID: 199022 (8/1Q6/p7/p7/1N1K4/kp1p4/1pp5/1rr5 w - - 0 1)

Traxler, Karel Peter

Arbeiter Schachzeitung, 1921

8/1Q6/p7/p7/1N1K4/kp1p4/1pp5/1rr5

#3

3 + 9


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...axb4
      • 2.Qxa6#
  • Tries
    • 1.Qb6?
      • threat
        • 2.Qxa5#
      • 1...Ka4
        • 2.Sc6
          • threat
            • 3.Qxa5#
          • 2...Ka3
            • 3.Qxa5#
      • 1...a4!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Sxc2+
          • 2...Ka2
            • 3.Qa3#
          • 2...Ka4
            • 3.Qd7#
            • 3.Qe8#
      • 1...Ka4
        • 2.Sd5
          • threat
            • 3.Sc3#
          • 2...Kb5
            • 3.Qd7#
            • 3.Qe8#
      • 1...axb4
        • 2.Qa7
          • threat
            • 3.Qxa6#
          • 2...Ka2
            • 3.Qxa6#
          • 2...Ka4
            • 3.Qxa6#
          • 2...a5
            • 3.Qxa5#
      • 1...Ra1
        • 2.Sd5+
          • 2...Ka2
            • 3.Sc3#
          • 2...Ka4
            • 3.Sc3#
      • 1...Re1
        • 2.Sxc2+
          • 2...Ka2
            • 3.Qa3#
          • 2...Ka4
            • 3.Qd7#
      • 1...a4
        • 2.Sxc2+
          • 2...Ka2
            • 3.Qa3#

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).