Problem Display
PID: 218295 (1K4Q1/8/3p4/5p2/2N2k2/2P5/B2P4/8 w - - 0 1)

Tanner, Eino V

British Chess Magazine, 1921

1K4Q1/8/3p4/5p2/2N2k2/2P5/B2P4/8

#4

6 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Se3!
      • threat
        • 2.Bd5
          • 2...Ke5
            • 3.Qg7+
              • 3...Kf4
                • 4.Sg2#
      • 1...Kf3
        • 2.Qg2+
          • 2...Kf4
            • 3.Sd5+
              • 3...Ke5
                • 4.Qe2#
      • 1...Ke4
        • 2.Bd5+
          • 2...Kd3
            • 3.Qg2
              • 3...f4
                • 4.Bc4#
                • 4.Be4#
          • 2...Kf4
            • 3.Sg2+
              • 3...Ke5
                • 4.Qe6#
            • 3.Qg6
              • 3...Ke5
                • 4.Qxf5#
          • 2...Ke5
            • 3.Qg7+
              • 3...Kf4
                • 4.Sg2#
        • 2.Qg3
          • threat
            • 3.Bb1#
          • 2...Kd3
            • 3.Qf2
              • threat
                • 4.Bb1#
              • 3...Ke4
                • 4.Qxf5#
            • 3.Qg2
              • threat
                • 4.Bb1#
                • 4.Bc4#
          • 2...f4
            • 3.Qg6+
              • 3...Kf3
                • 4.Qg2#
              • 3...Ke5
                • 4.Sg4#
                • 4.Qf5#
                • 4.Qe6#
                • 4.d4#
      • 1...Ke5
        • 2.Sd5
          • threat
            • 3.Qe8#
          • 2...Ke4
            • 3.Qg2+
              • 3...Kd3
                • 4.Sb4#
              • 3...Ke5
                • 4.Qe2#
          • 2...f4
            • 3.Bb1
              • 3...f3
                • 4.d4#
            • 3.Qg6
              • 3...f3
                • 4.d4#
      • 1...d5
        • 2.Bxd5
          • 2...Ke5
            • 3.Qg7+
              • 3...Kf4
                • 4.Sg2#
              • 3...Kd6
                • 4.Qc7#

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).