Problem Display
PID: 191324 (3N4/8/2p3Q1/4k3/8/8/8/4K3 w - - 0 1)

Mach, Julius Zdenek

Zlata Praha, 1914

3N4/8/2p3Q1/4k3/8/8/8/4K3

#5

3 + 2


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Keys
    • 1.Kd2!
      • threat
        • 2.Ke3
          • threat
            • 3.Qe6#
          • 2...Kd5
            • 3.Qxc6+
              • 3...Ke5
                • 4.Qe6#
      • 1...Kd4
        • 2.Qe6
          • 2...Kc5
            • 3.Kc3
              • threat
                • 4.Qxc6#
              • 3...Kb5
                • 4.Qxc6+
                  • 4...Ka5
                    • 5.Sb7#
              • 3...Kb6
                • 4.Qxc6+
                  • 4...Ka5
                    • 5.Sb7#
                  • 4...Ka7
                    • 5.Qb7#
      • 1...Kf4
        • 2.Ke2
          • threat
            • 3.Sf7
              • 3...c5
                • 4.Qg5+
                  • 4...Ke4
                    • 5.Qe5#
          • 2...Ke5
            • 3.Ke3
              • threat
                • 4.Qe6#
              • 3...Kd5
                • 4.Qxc6+
                  • 4...Ke5
                    • 5.Qe6#
          • 2...c5
            • 3.Sf7
              • 3...c4
                • 4.Qg5+
                  • 4...Ke4
                    • 5.Qe5#
      • 1...Kd5
        • 2.Kd3
          • 2...Kc5
            • 3.Kc3
              • threat
                • 4.Qxc6#
              • 3...Kb5
                • 4.Qxc6+
                  • 4...Ka5
                    • 5.Sb7#
              • 3...Kd5
                • 4.Qe6+
                  • 4...Kc5
                    • 5.Qxc6#
              • 3...Kb6
                • 4.Qxc6+
                  • 4...Ka5
                    • 5.Sb7#
                  • 4...Ka7
                    • 5.Qb7#
          • 2...Ke5
            • 3.Ke3
              • threat
                • 4.Qe6#
              • 3...Kd5
                • 4.Qxc6+
                  • 4...Ke5
                    • 5.Qe6#

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).