Problem Display
PID: 9123 (8/5b1p/4p3/1p6/4k1Pp/1BQ3bN/K1P1P3/8 w - - 0 1)

Strydom, Jan

The Problemist, 1969

8/5b1p/4p3/1p6/4k1Pp/1BQ3bN/K1P1P3/8

#3

7 + 7


SOLUTION


  • SOUND
  • Sets
    • 1...Bf4
      • 2.Sf2#
    • 1...Be5
      • 2.Qd3#
    • 1...e5
      • 2.Qd3#
  • Tries
    • 1.Qxg3?
      • threat
        • 2.Qf4#
      • 1...Kd4
        • 2.c3+
          • 2...Ke4
            • 3.Sf2#
            • 3.Sg5#
            • 3.Qf4#
          • 2...Kc5
            • 3.Qc7#
      • 1...hxg3!
    • 1.e3?
      • threat
        • 2.Sg5#
      • 1...Bf4
        • 2.exf4
          • threat
            • 3.Qd3#
      • 1...h6
        • 2.Sg1
          • threat
            • 3.Qd4#
          • 2...Be5
            • 3.Qd3#
          • 2...e5
            • 3.Qd3#
      • 1...Kf3!
  • Keys
    • 1.Qc5!
      • threat
        • 2.c4
          • threat
            • 3.Bc2#
      • 1...Bf2
        • 2.Qxf2
          • threat
            • 3.Qf4#
          • 2...Ke5
            • 3.Qf4#
          • 2...e5
            • 3.Sg5#
      • 1...Be5
        • 2.c3
          • threat
            • 3.Bc2#
          • 2...Bd4
            • 3.Qxd4#
      • 1...Bd6
        • 2.Qxd6
          • threat
            • 3.Qf4#
          • 2...Ke3
            • 3.Qd3#
          • 2...e5
            • 3.Qd3#
      • 1...e5
        • 2.Bxf7
          • threat
            • 3.Bd5#

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).