Problem Display
PID: 196039 (qNB1R1nQ/8/p7/k1P1p1p1/P2P1b2/K2pN3/b1p5/2n5 w - - 0 1)

Birgfeld, Eduard Adolf Heinrich

Deutsches Wochenschach, 1919

qNB1R1nQ/8/p7/k1P1p1p1/P2P1b2/K2pN3/b1p5/2n5

#5

9 + 11


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Keys
    • 1.Qh1!
      • threat
        • 2.Qe1+
          • 2...d2
            • 3.Qxd2#
        • 2.Qxa8
          • threat
            • 3.Sc6#
            • 3.Qxa6#
      • 1...Qxh1
        • 2.Re6
          • threat
            • 3.Rxa6#
          • 2...Bxe6
            • 3.d5
              • threat
                • 4.Sc4#
                • 4.Sc6#
              • 3...Qxd5
                • 4.Sc4+
                  • 4...Qxc4
                    • 5.Sc6#
              • 3...Bxd5
                • 4.Sc6+
                  • 4...Bxc6
                    • 5.Sc4#
          • 2...Qa8
            • 3.Sc6+
              • 3...Qxc6
                • 4.Rxc6
                  • threat
                    • 5.Rxa6#
                  • 4...Bc4
                    • 5.Sxc4#

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).