Problem Display
PID: 206013 (8/8/4B1b1/8/3P4/2P5/8/k1KR4 w - - 0 1)

Nissl, Theodor

Wiener Schachzeitung, 1929

8/8/4B1b1/8/3P4/2P5/8/k1KR4

#5

5 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rf1!
      • 1...Bb1
        • 2.Rf7
          • threat
            • 3.Ra7+
              • 3...Ba2
                • 4.Rxa2#
          • 2...Ba2
            • 3.Bxa2
              • 3...Kxa2
                • 4.Kc2
                  • threat
                    • 5.Ra7#
                  • 4...Ka1
                    • 5.Ra7#
                  • 4...Ka3
                    • 5.Ra7#
      • 1...Bd3
        • 2.Rf7
          • threat
            • 3.Ra7+
              • 3...Ba6
                • 4.Rxa6#
          • 2...Ba6
            • 3.Bb3
              • 3...Bf1
                • 4.Ra7+
                  • 4...Ba6
                    • 5.Rxa6#
              • 3...Be2
                • 4.Ra7+
                  • 4...Ba6
                    • 5.Rxa6#
                • 4.Rf2
                  • 4...Bd1
                    • 5.Ra2#
                  • 4...Bf1
                    • 5.Ra2#
                  • 4...Bd3
                    • 5.Ra2#
                  • 4...Bf3
                    • 5.Ra2#
                  • 4...Bc4
                    • 5.Ra2#
                  • 4...Bg4
                    • 5.Ra2#
                  • 4...Bb5
                    • 5.Ra2#
                  • 4...Bh5
                    • 5.Ra2#
                  • 4...Ba6
                    • 5.Ra2#
              • 3...Bd3
                • 4.Ra7+
                  • 4...Ba6
                    • 5.Rxa6#
              • 3...Bc4
                • 4.Ra7+
                  • 4...Ba6
                    • 5.Rxa6#
              • 3...Bb5
                • 4.Ra7+
                  • 4...Ba4
                    • 5.Rxa4#
                  • 4...Ba6
                    • 5.Rxa6#
              • 3...Bb7
                • 4.Rf2
                  • threat
                    • 5.Ra2#
              • 3...Bc8
                • 4.Ra7+
                  • 4...Ba6
                    • 5.Rxa6#
                • 4.Rf2
                  • threat
                    • 5.Ra2#
      • 1...Be4
        • 2.Rf7
          • threat
            • 3.Ra7#
          • 2...Bb7
            • 3.Rf5
              • threat
                • 4.Ra5#
              • 3...Bd5
                • 4.Rxd5
                  • 4...Ka2
                    • 5.Ra5#
              • 3...Bc6
                • 4.Ra5+
                  • 4...Ba4
                    • 5.Rxa4#

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).