Problem Display
PID: 37384 (8/6K1/n5N1/8/1P2k1pN/7P/1p1Q4/1r6 w - - 0 1)

Chocolous, Jiri

3rd HM., Cesky spolek sachovni, 1891

8/6K1/n5N1/8/1P2k1pN/7P/1p1Q4/1r6

#4

6 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Sf5!
      • threat
        • 2.Qe2+
          • 2...Kd5
            • 3.Sge7#
          • 2...Kxf5
            • 3.Qxg4#
            • 3.Qe5#
      • 1...Sxb4
        • 2.Qe3+
          • 2...Kd5
            • 3.Sge7+
              • 3...Kc4
                • 4.Sd6#
      • 1...gxh3
        • 2.Sd6+
          • 2...Kf3
            • 3.Se5+
              • 3...Kg3
                • 4.Sf5#
      • 1...Re1
        • 2.Qd4+
          • 2...Kf3
            • 3.Sgh4+
              • 3...Ke2
                • 4.Sg3#

This is a version of 77843

This appears to be an unsound version of a sound problem!

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).