Problem Display
PID: 181447 (K7/b7/1PRpP3/1kNP4/p7/8/2PB4/8 w - - 0 1)

van Dijk, Johannes

De Telegraaf, 1904

K7/b7/1PRpP3/1kNP4/p7/8/2PB4/8

#3

8 + 4


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Se4?
      • threat
        • 2.Sxd6+
          • 2...Ka6
            • 3.bxa7#
        • 2.c4+
          • 2...Ka6
            • 3.bxa7#
      • 1...Ka6
        • 2.bxa7+
          • 2...Kb5
            • 3.Sxd6#
            • 3.c4#
      • 1...a3
        • 2.Sxd6+
          • 2...Ka4
            • 3.Rc4#
          • 2...Ka6
            • 3.bxa7#
      • 1...Bb8
        • 2.c4+
          • 2...Ka6
            • 3.b7#
      • 1...Bxb6!
    • 1.Sd7?
      • threat
        • 2.c4+
          • 2...Ka6
            • 3.bxa7#
      • 1...Ka6
        • 2.c4
          • threat
            • 3.bxa7#
          • 2...Bxb6
            • 3.Sb8#
            • 3.Rxb6#
          • 2...Bb8
            • 3.Sxb8#
            • 3.b7#
        • 2.bxa7+
          • 2...Kb5
            • 3.c4#
        • 2.b7+
          • 2...Kb5
            • 3.c4#
          • 2...Bb6
            • 3.Rxb6#
      • 1...Bxb6
        • 2.c4+
          • 2...Ka6
            • 3.Sb8#
            • 3.Rxb6#
      • 1...Bb8
        • 2.c4+
          • 2...Ka6
            • 3.Sxb8#
            • 3.b7#
      • 1...a3!
  • Keys
    • 1.Sa6!
      • threat
        • 2.Sc7#
      • 1...Kxa6
        • 2.bxa7+
          • 2...Kb5
            • 3.c4#
      • 1...Bxb6
        • 2.Sc7+
          • 2...Bxc7
            • 3.c4#
      • 1...a3
        • 2.Sc7+
          • 2...Ka4
            • 3.Rc4#
      • 1...Bb8
        • 2.c4+
          • 2...Kxa6
            • 3.b7#

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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).