Problem Display
PID: 71545 (1R2BK2/p1B5/2N2P1p/1PkPP3/P1p1nNp1/b1R5/p1br2P1/3qr3 w - - 0 1)

Hoekstra, Sjoerd

Wissmann, Dolf

Probleemblad, 2006

1R2BK2/p1B5/2N2P1p/1PkPP3/P1p1nNp1/b1R5/p1br2P1/3qr3

#4

13 + 12


SOLUTION


  • SOUND
  • Keys
    • 1.Bf7!
      • threat
        • 2.Se6+
          • 2...Kxd5+
            • 3.Sc5+
              • 3...Kxc5
                • 4.Rxc4#
      • 1...Qe2
        • 2.Rb7
          • threat
            • 3.Bb8
              • threat
                • 4.Bxa7#
              • 3...a5
                • 4.Ba7#
              • 3...a6
                • 4.Ba7#
          • 2...Rb1
            • 3.Bb8
              • threat
                • 4.Bxa7#
              • 3...Rxb5
                • 4.Rxb5#
              • 3...a5
                • 4.Ba7#
              • 3...a6
                • 4.Ba7#
          • 2...Bb4
            • 3.Se6+
              • 3...Kxd5+
                • 4.Sxb4#
      • 1...Rd4
        • 2.Bg6
          • threat
            • 3.Bxe4
              • threat
                • 4.Se6#
                • 4.Bd6#
      • 1...Bb3
        • 2.Rb7
          • threat
            • 3.Bb8
              • threat
                • 4.Bxa7#
              • 3...a5
                • 4.Ba7#
              • 3...a6
                • 4.Ba7#
          • 2...Bb4
            • 3.Se6+
              • 3...Kxd5+
                • 4.Sxb4#
      • 1...Bd3
        • 2.Bg6
          • threat
            • 3.Bxe4
              • threat
                • 4.Se6#
                • 4.Bd6#

This is a version of 20094

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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).