Problem Display
PID: 246586 (nb6/k1pRpP1p/1pP3pP/1P2P1K1/6P1/4P3/4p3/8 w - - 0 1)

Johandl, Alois

The Problemist, 1989

nb6/k1pRpP1p/1pP3pP/1P2P1K1/6P1/4P3/4p3/8

#5

9 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Rd2!
      • threat
        • 2.Ra2#
      • 1...e1Q
        • 2.Ra2+
          • 2...Qa5
            • 3.f8Q
              • threat
                • 4.Qc8
                  • threat
                    • 5.Qb7#
              • 3...Qxa2
                • 4.Qc8
                  • threat
                    • 5.Qb7#
                  • 4...Qa6
                    • 5.Qxa6#
      • 1...e1B
        • 2.Ra2+
          • 2...Ba5
            • 3.f8B
              • 3...e6
                • 4.Ba3
                  • 4...Be1
                    • 5.Bb4#
                  • 4...Bd2
                    • 5.Bb4#
                  • 4...Bc3
                    • 5.Bb4#
                  • 4...Bb4
                    • 5.Bxb4#

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).