Problem Display
PID: 8949 (K5n1/1Q1p4/4P3/Pp2p3/kP3pr1/p6q/N1PNp1r1/8 w - - 0 1)

Goldstein, Alexander

Whyatt, William Albert

4th HM., BCF 111. Ty., 1965-1966

K5n1/1Q1p4/4P3/Pp2p3/kP3pr1/p6q/N1PNp1r1/8

#3

8 + 11


SOLUTION


  • SOUND
  • Sets
    • 1...Qh1
      • 2.Se4
        • threat
          • 3.Sec3#
          • 3.Sc5#
    • 1...Qh2
      • 2.Se4
        • threat
          • 3.Sec3#
          • 3.Sc5#
      • 2.c4
        • threat
          • 3.Qxb5#
        • 2...bxc4
          • 3.Sc3#
          • 3.Qxd7#
    • 1...Qb3
      • 2.cxb3#
    • 1...R2g3
      • 2.Sc4
        • threat
          • 3.Sb6#
        • 2...bxc4
          • 3.Qxd7#
    • 1...R4g3
      • 2.c4
        • threat
          • 3.Qxb5#
        • 2...bxc4
          • 3.Qxd7#
  • Tries
    • 1.Sc4?
      • threat
        • 2.Sb6#
      • 1...bxc4
        • 2.Qxd7#
      • 1...Qe3!
    • 1.Qf3?
      • threat
        • 2.Qb3+
          • 2...Qxb3
            • 3.cxb3#
      • 1...Qg3
        • 2.Qb3+
          • 2...Qxb3
            • 3.cxb3#
      • 1...R2g3
        • 2.Se4
          • threat
            • 3.Sec3#
            • 3.Sc5#
      • 1...R4g3
        • 2.Se4
          • threat
            • 3.Sec3#
            • 3.Sc5#
      • 1...Qxf3+!
    • 1.c4?
      • threat
        • 2.Qxb5#
      • 1...bxc4
        • 2.Qxd7#
      • 1...Qf3!
  • Keys
    • 1.Qd5!
      • threat
        • 2.Qb3+
          • 2...Qxb3
            • 3.cxb3#
      • 1...Qc3
        • 2.Qb3+
          • 2...Qxb3
            • 3.cxb3#
      • 1...Qd3
        • 2.Qb3+
          • 2...Qxb3
            • 3.cxb3#
        • 2.cxd3
          • threat
            • 3.Qb3#
      • 1...Qe3
        • 2.Qb3+
          • 2...Qxb3
            • 3.cxb3#
      • 1...Qf3
        • 2.Sxf3
          • threat
            • 3.Qb3#
      • 1...Qg3
        • 2.Qb3+
          • 2...Qxb3
            • 3.cxb3#
      • 1...R2g3
        • 2.Sc4
          • threat
            • 3.Sb6#
          • 2...bxc4
            • 3.Qxd7#
      • 1...R4g3
        • 2.c4
          • threat
            • 3.Qxb5#
          • 2...bxc4
            • 3.Qxd7#

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).