Problem Display
PID: 186429 (7K/8/bR3P2/3R4/2p5/5N2/2p2N1b/2k5 w - - 0 1)

Sackmann, Franz

Deutsche Schachblatter, 1911

7K/8/bR3P2/3R4/2p5/5N2/2p2N1b/2k5

#4

6 + 5


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Rg5!
      • 1...Bb5
        • 2.Rbxb5
          • 2...Bg3
            • 3.Rxg3
              • 3...c3
                • 4.Rg1#
          • 2...c3
            • 3.Rg2
              • 3...Bg1
                • 4.Rxg1#
              • 3...Bg3
                • 4.Rg1#
              • 3...Bf4
                • 4.Rg1#
              • 3...Be5
                • 4.Rg1#
              • 3...Bd6
                • 4.Rg1#
              • 3...Bc7
                • 4.Rg1#
              • 3...Bb8
                • 4.Rg1#
      • 1...Bg3
        • 2.Rxg3
          • threat
            • 3.Rg1#
          • 2...Bb5
            • 3.Rxb5
              • 3...c3
                • 4.Rg1#
          • 2...c3
            • 3.Rg1+
              • 3...Bf1
                • 4.Rxf1#
      • 1...Bb7
        • 2.Rxb7
          • 2...Bg3
            • 3.Rxg3
              • 3...c3
                • 4.Rg1#
          • 2...c3
            • 3.Rg2
              • 3...Bg1
                • 4.Rxg1#
              • 3...Bg3
                • 4.Rg1#
              • 3...Bf4
                • 4.Rg1#
              • 3...Be5
                • 4.Rg1#
              • 3...Bd6
                • 4.Rg1#
              • 3...Bc7
                • 4.Rg1#
              • 3...Bb8
                • 4.Rg1#
            • 3.Ra5
              • threat
                • 4.Ra1#
      • 1...Bc8
        • 2.Ra5
          • threat
            • 3.Ra1#
          • 2...Be5
            • 3.Rxe5
              • threat
                • 4.Re1#
      • 1...c3
        • 2.Ra5
          • threat
            • 3.Ra1#
          • 2...Bb5
            • 3.Rbxb5
              • threat
                • 4.Ra1#

FEATURES


NOT CLASSIFIED


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).