Problem Display
PID: 98332 (2N5/2P2k1K/2N5/8/8/8/8/8 w - - 0 1)

Mihalek, Frederick M

US Problem Bulletin, 1990

2N5/2P2k1K/2N5/8/8/8/8/8

#5

4 + 1


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.S8e7!
      • threat
        • 2.c8Q
          • 2...Kf6
            • 3.Qf5#
      • 1...Ke6
        • 2.c8Q+
          • 2...Kd6
            • 3.Qg4
              • 3...Kc7
                • 4.Qd4
                  • 4...Kb7
                    • 5.Qa7#
      • 1...Kf6
        • 2.c8Q
          • threat
            • 3.Qf5#
          • 2...Kg5
            • 3.Sg6
              • threat
                • 4.Kg7
                  • 4...Kh5
                    • 5.Qf5#
                • 4.Sd4
                  • threat
                    • 5.Qf5#
                  • 4...Kh5
                    • 5.Qf5#
                  • 4...Kf6
                    • 5.Qf5#
                • 4.Sce7
                  • threat
                    • 5.Qf5#
                  • 4...Kh5
                    • 5.Qf5#
                  • 4...Kf6
                    • 5.Qf5#
                • 4.Qe6
                  • 4...Kh5
                    • 5.Qf5#
              • 3...Kf6
                • 4.Sd4
                  • threat
                    • 5.Qf5#
                  • 4...Kg5
                    • 5.Qf5#
                  • 4...Kf7
                    • 5.Qe6#
                    • 5.Qf8#

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).