Problem Display
PID: 12697 (2k5/8/K7/8/8/6B1/8/3R4 w - - 0 1)

d'Orville, Peter Auguste

250 Problemes des Echecs, 1842

2k5/8/K7/8/8/6B1/8/3R4

#3

3 + 1


4349 Kleinste Schachaufgaben Drei- und Viersteiner 1970
3713 Snap 2005

SOLUTION


  • SOUND
  • Tries
    • 1.Be1?
      • threat
        • 2.Kb6
          • 2...Kb8
            • 3.Rd8#
        • 2.Ba5
          • 2...Kb8
            • 3.Rd8#
      • 1...Kb8
        • 2.Ba5
          • threat
            • 3.Rd8#
          • 2...Ka8
            • 3.Rd8#
          • 2...Kc8
            • 3.Rd8#
        • 2.Rc1
          • 2...Ka8
            • 3.Rc8#
      • 1...Kc7!
    • 1.Bf2?
      • threat
        • 2.Kb6
          • 2...Kb8
            • 3.Rd8#
        • 2.Bb6
          • 2...Kb8
            • 3.Rd8#
      • 1...Kb8
        • 2.Bb6
          • threat
            • 3.Rd8#
          • 2...Ka8
            • 3.Rd8#
          • 2...Kc8
            • 3.Rd8#
        • 2.Rc1
          • 2...Ka8
            • 3.Rc8#
      • 1...Kc7!
    • 1.Bh4?
      • threat
        • 2.Kb6
          • 2...Kb8
            • 3.Rd8#
      • 1...Kb8
        • 2.Kb6
          • threat
            • 3.Rd8#
          • 2...Ka8
            • 3.Rd8#
          • 2...Kc8
            • 3.Rd8#
        • 2.Rc1
          • 2...Ka8
            • 3.Rc8#
      • 1...Kc7!
    • 1.Rd6?
      • threat
        • 2.Kb6
          • 2...Kb8
            • 3.Rd8#
      • 1...Kb8
        • 2.Rd8#
      • 1...Kc7!
  • Keys
    • 1.Bb8!
      • 1...Kxb8
        • 2.Rc1
          • 2...Ka8
            • 3.Rc8#

This anticipates 56687(1844)

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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).