Problem Display
PID: 213878 (8/1N6/4B3/5p2/pk1p2R1/8/2PP4/1K2N3 w - - 0 1)

Torrey, Jay L

St. Louis Globe Democrat, 1875

8/1N6/4B3/5p2/pk1p2R1/8/2PP4/1K2N3

#4

7 + 4


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.c4!
      • threat
        • 2.Sc2+
          • 2...Kb3
            • 3.Sa5#
            • 3.Sc5#
            • 3.c5#
      • 1...a3
        • 2.Sc2+
          • 2...Ka4
            • 3.Bd7+
              • 3...Kb3
                • 4.Sa5#
            • 3.Ka2
              • threat
                • 4.Bd7#
        • 2.Sd3+
          • 2...Ka4
            • 3.Bd7+
              • 3...Kb3
                • 4.Sa5#
            • 3.Ka2
              • threat
                • 4.Bd7#
        • 2.Ka2
          • threat
            • 3.Sc2+
              • 3...Ka4
                • 4.Bd7#
            • 3.Sd3+
              • 3...Ka4
                • 4.Bd7#
          • 2...Ka4
            • 3.Sc2
              • threat
                • 4.Bd7#
            • 3.Sd3
              • threat
                • 4.Bd7#
          • 2...d3
            • 3.Sxd3+
              • 3...Ka4
                • 4.Bd7#
      • 1...d3
        • 2.Ka2
          • threat
            • 3.Sxd3#
          • 2...a3
            • 3.Sxd3+
              • 3...Ka4
                • 4.Bd7#

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).