Problem Display
PID: 37294 (3B2K1/3p4/4k3/1Q6/8/8/5P2/8 w - - 0 1)

Speckmann, Werner

1st HM., Schach, 1969

3B2K1/3p4/4k3/1Q6/8/8/5P2/8

#3

4 + 2


SOLUTION


  • SOUND
  • Sets
    • 1...Kd6
      • 2.f4
        • 2...Ke6
          • 3.Qe5#
  • Tries
    • 1.f4?
      • threat
        • 2.Qe5#
      • 1...Kd6
        • 2.Kg7
          • 2...Ke6
            • 3.Qe5#
        • 2.Kf8
          • 2...Ke6
            • 3.Qe5#
        • 2.Ba5
          • 2...Ke6
            • 3.Qe5#
          • 2...Ke7
            • 3.Qe5#
        • 2.Bb6
          • 2...Ke6
            • 3.Qe5#
          • 2...Ke7
            • 3.Qe5#
      • 1...d5!
  • Keys
    • 1.f3!
      • 1...Kd6
        • 2.f4
          • 2...Ke6
            • 3.Qe5#
      • 1...d5
        • 2.Qc6+
          • 2...Ke5
            • 3.Qf6#
          • 2...Kf5
            • 3.Qf6#
      • 1...d6
        • 2.Qc6
          • 2...Ke5
            • 3.Qe4#
          • 2...Kf5
            • 3.Qe4#

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).