Problem Display
PID: 35689 (8/3k4/8/R2K2B1/8/8/8/8 w - - 0 1)

Shinkman, William Anthony

Wiener Schachzeitung, 1905

8/3k4/8/R2K2B1/8/8/8/8

#4

3 + 1


4349 Kleinste Schachaufgaben Drei- und Viersteiner 1970
5454 Near Snap 2021
3713 Snap 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Bd8!
      • threat
        • 2.Ra8
          • 2...Ke8
            • 3.Ke6
              • 3...Kf8
                • 4.Bf6#
      • 1...Kc8
        • 2.Kc6
          • threat
            • 3.Ra8#
          • 2...Kb8
            • 3.Bc7+
              • 3...Kc8
                • 4.Ra8#
            • 3.Bh4
              • 3...Kc8
                • 4.Ra8#
            • 3.Bg5
              • 3...Kc8
                • 4.Ra8#
            • 3.Bb6
              • 3...Kc8
                • 4.Ra8#
            • 3.Bf6
              • 3...Kc8
                • 4.Ra8#
            • 3.Be7
              • 3...Kc8
                • 4.Ra8#
            • 3.Ra1
              • 3...Kc8
                • 4.Ra8#
            • 3.Ra2
              • 3...Kc8
                • 4.Ra8#
            • 3.Ra3
              • 3...Kc8
                • 4.Ra8#
            • 3.Ra4
              • 3...Kc8
                • 4.Ra8#
            • 3.Ra6
              • 3...Kc8
                • 4.Ra8#
          • 2...Kxd8
            • 3.Re5
              • 3...Kc8
                • 4.Re8#
      • 1...Kxd8
        • 2.Kd6
          • threat
            • 3.Ra8#
          • 2...Kc8
            • 3.Rb5
              • 3...Kd8
                • 4.Rb8#
          • 2...Ke8
            • 3.Rf5
              • 3...Kd8
                • 4.Rf8#
      • 1...Ke8
        • 2.Ke6
          • threat
            • 3.Bf6
              • 3...Kf8
                • 4.Ra8#
            • 3.Ra8
              • 3...Kf8
                • 4.Bf6#
          • 2...Kxd8
            • 3.Rc5
              • 3...Ke8
                • 4.Rc8#
          • 2...Kf8
            • 3.Rg5
              • 3...Ke8
                • 4.Rg8#

This anticipates 230458(1935), 234272(1944)

FEATURES


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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).