Problem Display
PID: 216730 (1b5K/p3R3/Qp1kpP2/1Pp4p/4P1p1/6P1/4P1p1/n6n w - - 0 1)

Chocolous, Jiri

Zlata Praha, 1889

1b5K/p3R3/Qp1kpP2/1Pp4p/4P1p1/6P1/4P1p1/n6n

#4

8 + 11


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qc4
          • threat
            • 3.Qxe6#
          • 2...Ke5
            • 3.Rxe6#
          • 2...e5
            • 3.Qd3#
            • 3.Qd5#
            • 3.Qe6#
      • 1...Ke5
        • 2.Qc4
          • threat
            • 3.Rxe6#
          • 2...Kxf6
            • 3.Qxe6+
              • 3...Kg5
                • 4.Rg7#
          • 2...Sxg3
            • 3.Rxe6+
              • 3...Kf4
                • 4.Qc1#
      • 1...Sxg3
        • 2.Qc4
          • threat
            • 3.Qxe6#
          • 2...Ke5
            • 3.Rxe6+
              • 3...Kf4
                • 4.Qc1#
      • 1...c4
        • 2.Qa3+
          • 2...Ke5
            • 3.Rxe6+
              • 3...Kd4
                • 4.e3#
              • 3...Kxe6
                • 4.Qe7#
      • 1...Sc2
        • 2.Qc4
          • threat
            • 3.Qxe6#
          • 2...Sd4
            • 3.Qd5+
              • 3...exd5
                • 4.e5#
      • 1...Sb3
        • 2.Qc4
          • threat
            • 3.Qxe6#
          • 2...Sd4
            • 3.Qd5+
              • 3...exd5
                • 4.e5#

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).