Problem Display
PID: 184346 (7q/Q1N5/1P1p4/K1pRB3/1p2k1P1/pB1p1pP1/n7/1N4n1 w - - 0 1)

Preiswerk, Walther Edouard

Schweizerische Schachzeitung, 1911

7q/Q1N5/1P1p4/K1pRB3/1p2k1P1/pB1p1pP1/n7/1N4n1

#3

10 + 10


16108 Walther Preiswerks Shachprobleme (M. Henneberger) 1949

SOLUTION


  • SOUND
  • Sets
    • 1...Qd8
      • 2.Bf4
        • threat
          • 3.Sd2#
        • 2...d2
          • 3.Sxd2#
          • 3.Bc2#
    • 1...c4
      • 2.b7
        • threat
          • 3.Sd2#
          • 3.Qd4#
  • Keys
    • 1.Bf4!
      • threat
        • 2.Sd2#
      • 1...Qb2
        • 2.Qa8
          • threat
            • 3.Rxd6#
          • 2...Qxb3
            • 3.Sd2#
            • 3.Qe8#
          • 2...Qd4
            • 3.Sd2#
            • 3.Re5#
          • 2...Qe5
            • 3.Sd2#
          • 2...Qh8
            • 3.Sd2#
          • 2...Sc3
            • 3.Qe8#
      • 1...Qc3
        • 2.Rxd6
          • threat
            • 3.Qb7#
            • 3.Qa8#
          • 2...Qxb3
            • 3.Sd2#
          • 2...Qd4
            • 3.Sd2#
          • 2...Qe5
            • 3.Sd2#
          • 2...Qc4
            • 3.Sd2#
        • 2.Qb7
          • threat
            • 3.Rxd6#
          • 2...Qxb3
            • 3.Sd2#
          • 2...Qd4
            • 3.Sd2#
            • 3.Re5#
          • 2...Qe5
            • 3.Sd2#
          • 2...Qc4
            • 3.Sd2#
        • 2.Qa8
          • threat
            • 3.Rxd6#
          • 2...Qxb3
            • 3.Sd2#
            • 3.Qe8#
          • 2...Qd4
            • 3.Sd2#
            • 3.Re5#
          • 2...Qe5
            • 3.Sd2#
          • 2...Qh8
            • 3.Sd2#
          • 2...Qc4
            • 3.Sd2#
            • 3.Qe8#
      • 1...Qh2
        • 2.Se6
          • threat
            • 3.Sg5#
          • 2...Qxg3
            • 3.Sd2#
            • 3.Qh7#
          • 2...c4
            • 3.Rd4#
          • 2...Qh4
            • 3.Sd2#
          • 2...Qh5
            • 3.Sd2#
          • 2...Qh6
            • 3.Sd2#
          • 2...Sh3
            • 3.Qh7#

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).