Problem Display
PID: 222122 (Rn1Nk3/4P2P/4P3/2PP4/8/B4p1K/p2p4/qNb5 w - - 0 1)

Binder, Friedrich

Freie Presse, 1989

Rn1Nk3/4P2P/4P3/2PP4/8/B4p1K/p2p4/qNb5

#4

10 + 7


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Bb2!
      • threat
        • 2.h8Q+
          • 2...Kxe7
            • 3.d6#
        • 2.h8R+
          • 2...Kxe7
            • 3.d6#
      • 1...Qxb2
        • 2.Sc6
          • threat
            • 3.Rxb8+
              • 3...Qxb8
                • 4.h8Q#
                • 4.h8R#
            • 3.Sc3
              • threat
                • 4.h8Q#
                • 4.h8R#
              • 3...Qxc3
                • 4.Rxb8#
          • 2...Qe5
            • 3.Rxb8+
              • 3...Qxb8
                • 4.h8Q#
                • 4.h8R#
      • 1...Bxb2
        • 2.Sc6
          • threat
            • 3.Rxb8#
          • 2...Be5
            • 3.h8Q+
              • 3...Bxh8
                • 4.Rxb8#
            • 3.h8R+
              • 3...Bxh8
                • 4.Rxb8#
      • 1...d1Q
        • 2.h8Q+
          • 2...Kxe7
            • 3.Sc6+
              • 3...Sxc6
                • 4.Re8#
                • 4.Qf6#
                • 4.Qg7#
                • 4.Qh7#
                • 4.Qe8#
                • 4.Qf8#
            • 3.Ra7+
              • 3...Sd7
                • 4.Sc6#
                • 4.Rxd7#
        • 2.h8R+
          • 2...Kxe7
            • 3.Sc6+
              • 3...Sxc6
                • 4.Rae8#
                • 4.Rh7#
                • 4.Rhe8#
            • 3.Ra7+
              • 3...Sd7
                • 4.Sc6#
                • 4.Rxd7#
      • 1...d1R
        • 2.h8Q+
          • 2...Kxe7
            • 3.Sc6+
              • 3...Sxc6
                • 4.Re8#
                • 4.Qf6#
                • 4.Qg7#
                • 4.Qh7#
                • 4.Qe8#
                • 4.Qf8#
            • 3.Ra7+
              • 3...Sd7
                • 4.Sc6#
                • 4.Rxd7#
        • 2.h8R+
          • 2...Kxe7
            • 3.Sc6+
              • 3...Sxc6
                • 4.Rae8#
                • 4.Rh7#
                • 4.Rhe8#
            • 3.Ra7+
              • 3...Sd7
                • 4.Sc6#
                • 4.Rxd7#

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).