Problem Display
PID: 36786 (2K5/3Q2pP/5pp1/4kN1P/7p/3P4/8/8 w - - 0 1)

Loyd, Sam

2nd Prize Set, New York Albion, 1858

2K5/3Q2pP/5pp1/4kN1P/7p/3P4/8/8

#4

6 + 5


5206 Sam Loyd and His Chess Problems 1913

SOLUTION


  • SOUND
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qe4#
      • 1...Kxf5
        • 2.h8S
          • threat
            • 3.Sf7
              • threat
                • 4.Qe4#
              • 3...Ke6
                • 4.Qd7#
          • 2...Ke5
            • 3.Sf7+
              • 3...Kd5
                • 4.Qc4#
              • 3...Kf5
                • 4.Qe4#
              • 3...Ke6
                • 4.Qd7#
          • 2...Kg5
            • 3.Sf7+
              • 3...Kf5
                • 4.Qe4#
              • 3...Kxh5
                • 4.Qd1#
          • 2...Ke6
            • 3.Qd7+
              • 3...Ke5
                • 4.Sxg6#
          • 2...gxh5
            • 3.Qe4+
              • 3...Kg5
                • 4.Sf7#
      • 1...gxf5
        • 2.Kd7
          • threat
            • 3.Qb4
              • threat
                • 4.Qd6#
              • 3...Kd5
                • 4.Qd6#
              • 3...f4
                • 4.Qc5#
                • 4.Qe4#
          • 2...Kd5
            • 3.Qb4
              • threat
                • 4.Qd6#
              • 3...Ke5
                • 4.Qd6#

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).