Problem Display
PID: 177039 (b7/Pkp5/2N5/K6p/7P/5QPB/8/8 w - - 0 1)

Giegold, Fritz Emil

Schach-Echo, 1967

b7/Pkp5/2N5/K6p/7P/5QPB/8/8

#3

7 + 4


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Ka4?
      • threat
        • 2.Qd5
          • threat
            • 3.Qb5#
          • 2...Ka6
            • 3.Qb5#
          • 2...Kb6
            • 3.Qb5#
      • 1...Ka6
        • 2.Qe2+
          • 2...Kb6
            • 3.Qb5#
          • 2...Kb7
            • 3.Qb5#
        • 2.Qf1+
          • 2...Kb6
            • 3.Qb5#
          • 2...Kb7
            • 3.Qb5#
        • 2.Qd3+
          • 2...Kb6
            • 3.Qb5#
          • 2...Kb7
            • 3.Qb5#
      • 1...Kb6!
    • 1.Kb4?
      • threat
        • 2.Qd5
          • threat
            • 3.Qb5#
          • 2...Ka6
            • 3.Qb5#
          • 2...Kb6
            • 3.Qb5#
      • 1...Ka6
        • 2.Qe2+
          • 2...Kb6
            • 3.Qb5#
          • 2...Kb7
            • 3.Qb5#
        • 2.Qf1+
          • 2...Kb6
            • 3.Qb5#
          • 2...Kb7
            • 3.Qb5#
        • 2.Qd3+
          • 2...Kb6
            • 3.Qb5#
          • 2...Kb7
            • 3.Qb5#
      • 1...Kb6!
    • 1.Sb4+?
      • 1...c6
        • 2.Qf7#
      • 1...Kxa7!
    • 1.Sd4+?
      • 1...c6
        • 2.Qf7#
      • 1...Kxa7!
    • 1.Se5+?
      • 1...c6
        • 2.Qf7#
      • 1...Kxa7!
    • 1.Se7+?
      • 1...c6
        • 2.Qxc6+
          • 2...Kxa7
            • 3.Qb6#
        • 2.Qb3+
          • 2...Kxa7
            • 3.Sc8#
            • 3.Qb6#
          • 2...Kc7
            • 3.Qb8#
      • 1...Kxa7!
    • 1.Sb8+?
      • 1...c6
        • 2.Qf7#
      • 1...Kxa7!
  • Keys
    • 1.Bg4!
      • 1...hxg4
        • 2.Qd5
          • 2...Kc8
            • 3.Se7#

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).