Problem Display
PID: 50368 (4n3/b5n1/N7/6p1/1Q6/p2Nk1p1/2K3P1/8 w - - 0 1)

Healey, Frank

Source?, 0000

4n3/b5n1/N7/6p1/1Q6/p2Nk1p1/2K3P1/8

#3

5 + 7


3644 200 Chess Problems (Healey) 1908

SOLUTION


  • SOUND
  • Sets
    • 1...Ke2
      • 2.Qe1#
    • 1...Bd4
      • 2.Qe1#
    • 1...Sc7
      • 2.Qc3
        • threat
          • 3.Qe5#
        • 2...Ke2
          • 3.Qe1#
        • 2...Ke4
          • 3.Qe5#
        • 2...Bd4
          • 3.Qe1#
  • Tries
    • 1.Sac5?
      • threat
        • 2.Qe4#
      • 1...Sd6
        • 2.Sb3
          • threat
            • 3.Qe1#
          • 2...Ke2
            • 3.Qe1#
      • 1...Sf6
        • 2.Sb3
          • threat
            • 3.Qe1#
          • 2...Ke2
            • 3.Qe1#
      • 1...Bxc5!
    • 1.Qf4+?
      • 1...Ke2
        • 2.Qf3#
      • 1...gxf4!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Sb5
          • threat
            • 3.Qe1#
          • 2...Ke2
            • 3.Qe1#
        • 2.Sd5+
          • 2...Ke2
            • 3.Qe1#
      • 1...Sxc7
        • 2.Qc3
          • threat
            • 3.Qe5#
          • 2...Ke2
            • 3.Qe1#
          • 2...Ke4
            • 3.Qe5#
          • 2...Bd4
            • 3.Qe1#
      • 1...Bc5
        • 2.Sd5+
          • 2...Ke2
            • 3.Qe1#
      • 1...Bb6
        • 2.Sd5+
          • 2...Ke2
            • 3.Qe1#
      • 1...Sf5
        • 2.Sd5+
          • 2...Ke2
            • 3.Qe1#
      • 1...Sh5
        • 2.Sd5+
          • 2...Ke2
            • 3.Qe1#
      • 1...Se6
        • 2.Sd5+
          • 2...Ke2
            • 3.Qe1#
        • 2.Sxe6
          • threat
            • 3.Qe1#
          • 2...Ke2
            • 3.Qe1#
      • 1...Sd6
        • 2.Sd5+
          • 2...Ke2
            • 3.Qe1#
      • 1...Sf6
        • 2.Sb5
          • threat
            • 3.Qe1#
          • 2...Ke2
            • 3.Qe1#
      • 1...a2
        • 2.Sd5+
          • 2...Ke2
            • 3.Qe1#

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).