Problem Display
PID: 218076 (8/8/8/5K2/5pNQ/5kp1/8/8 w - - 0 1)

Fiske, William Orville

Chess Monthly, 1858

8/8/8/5K2/5pNQ/5kp1/8/8

#4

3 + 3


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qe4#
      • 1...Kg2
        • 2.Qe2+
          • 2...Kg1
            • 3.Kxf4
              • 3...Kh1
                • 4.Qf1#
              • 3...g2
                • 4.Qd1#
                • 4.Qe1#
            • 3.Qf3
              • 3...g2
                • 4.Qd1#
          • 2...Kh3
            • 3.Qf3
              • 3...Kh4
                • 4.Qh1#
        • 2.Kxf4
          • threat
            • 3.Qe1
              • 3...Kh3
                • 4.Qxg3#
                • 4.Qh1#
          • 2...Kf1
            • 3.Kxg3
              • 3...Kg1
                • 4.Qe1#
          • 2...Kg1
            • 3.Qe2
              • 3...Kh1
                • 4.Qf1#
              • 3...g2
                • 4.Qd1#
                • 4.Qe1#
          • 2...Kh1
            • 3.Kxg3
              • 3...Kg1
                • 4.Qe1#
          • 2...Kh3
            • 3.Kf3
              • 3...g2
                • 4.Qh7#
            • 3.Qe4
              • threat
                • 4.Qh1#
              • 3...Kh4
                • 4.Qh1#
                • 4.Qh7#
              • 3...g2
                • 4.Qh7#
            • 3.Qb7
              • threat
                • 4.Qh1#
              • 3...Kh4
                • 4.Qh1#
                • 4.Qh7#
              • 3...g2
                • 4.Qh7#
      • 1...g2
        • 2.Qe4+
          • 2...Kg3
            • 3.Qxf4+
              • 3...Kh3
                • 4.Sf2#
                • 4.Qh2#
              • 3...Kh4
                • 4.Qh2#

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).