Problem Display
PID: 19855 (8/7p/8/1K1Q4/3p2kp/3N3p/7P/8 w - - 0 1)

Shinkman, William Anthony

New York Clipper, 1900

8/7p/8/1K1Q4/3p2kp/3N3p/7P/8

#4

4 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Kc4!
      • threat
        • 2.Kxd4
          • threat
            • 3.Ke3
              • threat
                • 4.Sf2#
            • 3.Ke4
              • threat
                • 4.Sf2#
                • 4.Qf5#
          • 2...h5
            • 3.Qe5
              • 3...Kf3
                • 4.Qe4#
          • 2...h6
            • 3.Ke3
              • 3...h5
                • 4.Sf2#
            • 3.Ke4
              • 3...h5
                • 4.Sf2#
                • 4.Qg8#
                • 4.Qf5#
            • 3.Qe5
              • 3...Kf3
                • 4.Qe4#
              • 3...h5
                • 4.Qf4#
      • 1...h5
        • 2.Qa5
          • 2...Kf3
            • 3.Qd2
              • 3...Ke4
                • 4.Qf4#
              • 3...Kg4
                • 4.Qf4#
      • 1...h6
        • 2.Kxd4
          • 2...h5
            • 3.Qe5
              • 3...Kf3
                • 4.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).