Problem Display
PID: 69248 (8/3pNp2/3PpP1p/4k3/3p3K/1P6/5P2/5N1Q w - - 0 1)

Mendes da Costa, Henri

Tijdschrift vd NSB, 1897

8/3pNp2/3PpP1p/4k3/3p3K/1P6/5P2/5N1Q

#4

8 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Sd2!
      • 1...Kxd6
        • 2.Sc4+
          • 2...Kc5
            • 3.Qb7
              • threat
                • 4.Qb6#
          • 2...Kc7
            • 3.Qa8
              • threat
                • 4.Qc8#
      • 1...Kxf6
        • 2.Qf3+
          • 2...Kg7
            • 3.Qg3+
              • 3...Kf6
                • 4.Se4#
              • 3...Kh7
                • 4.Qg8#
              • 3...Kf8
                • 4.Qg8#
              • 3...Kh8
                • 4.Qg8#
      • 1...d3
        • 2.Qa1+
          • 2...Kxd6
            • 3.Qa5
              • threat
                • 4.Sc4#
                • 4.Se4#
              • 3...e5
                • 4.Qb6#
      • 1...h5
        • 2.Qa8
          • threat
            • 3.Qa5+
              • 3...Kf4
                • 4.Qg5#
              • 3...Kxd6
                • 4.Sc4#
                • 4.Se4#
              • 3...Kxf6
                • 4.Qg5#
          • 2...Kxd6
            • 3.Sc4+
              • 3...Kc5
                • 4.Qa5#
              • 3...Kc7
                • 4.Qc8#
            • 3.Qb8+
              • 3...Kc5
                • 4.Se4#
                • 4.b4#
            • 3.Qa5
              • threat
                • 4.Sc4#
                • 4.Se4#
              • 3...e5
                • 4.Qb6#
          • 2...d3
            • 3.b4
              • 3...Kd4
                • 4.Qa1#
              • 3...Kf4
                • 4.Qe4#
              • 3...Kxd6
                • 4.Qb8#
              • 3...Kxf6
                • 4.Qh8#

FEATURES


NOT CLASSIFIED


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).