Problem Display
PID: 43635 (8/2p5/2Q5/3pp3/1N4K1/4k3/8/1B6 w - - 0 1)

Jordan, Michael

Source?, 0000

8/2p5/2Q5/3pp3/1N4K1/4k3/8/1B6

#3

4 + 4


1693 English Chess Problems 1876
5808 Preston Guardian 1882
15239 Valois Notebooks 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qc1
        • threat
          • 3.Sc6#
        • 2...c6
          • 3.Sxc6#
  • Tries
    • 1.Qc1+?
      • 1...Ke2
        • 2.Sd3
          • threat
            • 3.Qe1#
      • 1...Kf2!
  • Keys
    • 1.Sd3!
      • 1...Kd2
        • 2.Qc1+
          • 2...Ke2
            • 3.Qe1#
      • 1...Ke2
        • 2.Qc1
          • threat
            • 3.Qe1#
      • 1...Kd4
        • 2.Qc5+
          • 2...Ke4
            • 3.Sc1#
            • 3.Se1#
            • 3.Sb2#
            • 3.Sf2#
            • 3.Sb4#
            • 3.Sf4#
      • 1...Ke4
        • 2.Qc5
          • threat
            • 3.Sc1#
            • 3.Se1#
            • 3.Sb2#
            • 3.Sf2#
            • 3.Sb4#
            • 3.Sf4#
          • 2...d4
            • 3.Qxe5#
      • 1...d4
        • 2.Qh1
          • threat
            • 3.Qe1#
          • 2...Kd2
            • 3.Qe1#
          • 2...Ke2
            • 3.Qe1#
      • 1...e4
        • 2.Qc1+
          • 2...Ke2
            • 3.Qe1#
          • 2...Kd4
            • 3.Qc5#

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).