Problem Display
PID: 201149 (7R/8/3k3B/1p1N4/1K1N4/8/5P2/8 w - - 0 1)

Schellenberg, Ernst

Deutsche Schachzeitung, 1922

7R/8/3k3B/1p1N4/1K1N4/8/5P2/8

#3

6 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Kd7
      • 2.Bg7
        • 2...Kd6
          • 3.Rd8#
      • 2.f4
        • 2...Kd6
          • 3.Rd8#
  • Tries
    • 1.Bf4+?
      • 1...Kxd5
        • 2.f3
          • 2...Kxd4
            • 3.Rd8#
      • 1...Kd7!
    • 1.Bg7?
      • threat
        • 2.Rd8#
      • 1...Kd7
        • 2.Kxb5
          • 2...Kd6
            • 3.Rd8#
        • 2.Bf6
          • 2...Kd6
            • 3.Rd8#
        • 2.Ra8
          • 2...Kd6
            • 3.Rd8#
        • 2.Rb8
          • 2...Kd6
            • 3.Rd8#
        • 2.Rf8
          • 2...Kd6
            • 3.Rd8#
        • 2.Rg8
          • 2...Kd6
            • 3.Rd8#
        • 2.f3
          • 2...Kd6
            • 3.Rd8#
        • 2.f4
          • 2...Kd6
            • 3.Rd8#
      • 1...Kxd5!
    • 1.f4?
      • threat
        • 2.Rd8#
      • 1...Kd7
        • 2.Kxb5
          • 2...Kd6
            • 3.Rd8#
        • 2.Bg5
          • 2...Kd6
            • 3.Rd8#
        • 2.Bg7
          • 2...Kd6
            • 3.Rd8#
        • 2.Ra8
          • 2...Kd6
            • 3.Rd8#
        • 2.Rb8
          • 2...Kd6
            • 3.Rd8#
        • 2.Rf8
          • 2...Kd6
            • 3.Rd8#
        • 2.Rg8
          • 2...Kd6
            • 3.Rd8#
      • 1...Kxd5!
  • Keys
    • 1.f3!
      • threat
        • 2.Rd8+
          • 2...Ke5
            • 3.Bg7#
      • 1...Kxd5
        • 2.Bf4
          • 2...Kxd4
            • 3.Rd8#
      • 1...Ke5
        • 2.Kc5
          • 2...b4
            • 3.Bf4#
            • 3.Bg7#
            • 3.Re8#
        • 2.Bg7+
          • 2...Kxd5
            • 3.Rd8#
          • 2...Kd6
            • 3.Rd8#
      • 1...Kd7
        • 2.Bg7
          • 2...Kd6
            • 3.Rd8#
        • 2.f4
          • 2...Kd6
            • 3.Rd8#

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).