Problem Display
PID: 83401 (1r2k3/4Pp2/5p2/5N2/8/8/1N1R4/4K3 w - - 0 1)

Havel, Miroslav

Parallele 50, 1947

1r2k3/4Pp2/5p2/5N2/8/8/1N1R4/4K3

#5

5 + 4


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Kf2!
      • 1...Rxb2
        • 2.Rxb2
          • 2...Kd7
            • 3.e8Q+
              • 3...Kc7
                • 4.Qe7+
                  • 4...Kc6
                    • 5.Qd6#
                  • 4...Kc8
                    • 5.Sd6#
              • 3...Kxe8
                • 4.Rd2
                  • 4...Kf8
                    • 5.Rd8#
      • 1...Ra8
        • 2.Sa4
          • 2...Rb8
            • 3.Sb6
              • threat
                • 4.Rd7
                  • threat
                    • 5.Sd6#
                    • 5.Sg7#
                  • 4...Rxb6
                    • 5.Rd8#
              • 3...Ra8
                • 4.Re2
                  • threat
                    • 5.Sd6#
                    • 5.Sg7#
              • 3...Rc8
                • 4.Re2
                  • threat
                    • 5.Sd6#
                    • 5.Sg7#
          • 2...Rc8
            • 3.Sc3
              • threat
                • 4.Se4
                  • threat
                    • 5.Sxf6#
                  • 4...Rc6
                    • 5.Rd8#
              • 3...Ra8
                • 4.Se4
                  • threat
                    • 5.Sxf6#
                  • 4...Ra6
                    • 5.Rd8#
              • 3...Rb8
                • 4.Se4
                  • threat
                    • 5.Sxf6#
                  • 4...Rb6
                    • 5.Rd8#
            • 3.Sc5
              • threat
                • 4.Se4
                  • threat
                    • 5.Sxf6#
                  • 4...Rc6
                    • 5.Rd8#
                • 4.Rd7
                  • threat
                    • 5.Sd6#
                    • 5.Sg7#
                  • 4...Rxc5
                    • 5.Rd8#
              • 3...Ra8
                • 4.Se4
                  • threat
                    • 5.Sxf6#
                  • 4...Ra6
                    • 5.Rd8#
                • 4.Re2
                  • threat
                    • 5.Sd6#
                    • 5.Sg7#
              • 3...Rb8
                • 4.Se4
                  • threat
                    • 5.Sxf6#
                  • 4...Rb6
                    • 5.Rd8#
                • 4.Re2
                  • threat
                    • 5.Sd6#
                    • 5.Sg7#
      • 1...Rc8
        • 2.Sc4
          • 2...Ra8
            • 3.Sa5
              • threat
                • 4.Sc6
                  • threat
                    • 5.Sg7#
              • 3...Rc8
                • 4.Sc6
                  • threat
                    • 5.Sg7#
                  • 4...Rxc6
                    • 5.Rd8#
          • 2...Rb8
            • 3.Sb6
              • threat
                • 4.Rd7
                  • threat
                    • 5.Sd6#
                    • 5.Sg7#
                  • 4...Rxb6
                    • 5.Rd8#
              • 3...Ra8
                • 4.Re2
                  • threat
                    • 5.Sd6#
                    • 5.Sg7#
              • 3...Rc8
                • 4.Re2
                  • threat
                    • 5.Sd6#
                    • 5.Sg7#

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).