Problem Display
PID: 68892 (3N2K1/8/1p6/1P1k3P/p3N3/p7/P7/7Q w - - 0 1)

Pierce, William Timbrell

The Chess Players' Quarterly Chronicle, 1871

3N2K1/8/1p6/1P1k3P/p3N3/p7/P7/7Q

#4

7 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Sc6!
      • threat
        • 2.Kf7
          • 2...Kc4
            • 3.Qf1+
              • 3...Kd5
                • 4.Qd3#
            • 3.Qb1
              • 3...Kd5
                • 4.Qd3#
        • 2.Qf3
          • 2...Kc4
            • 3.Sc3
              • 3...Kc5
                • 4.Qd5#
      • 1...Kc4
        • 2.Qd1
          • 2...Kxb5
            • 3.Qxa4+
              • 3...Kxa4
                • 4.Sc3#
      • 1...Ke6
        • 2.Qd1
          • 2...Kf5
            • 3.Qf3+
              • 3...Ke6
                • 4.Qf7#

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).