Problem Display
PID: 150407 (6K1/3p4/7k/4pR1B/2p1ppp1/1PR5/3PPr1P/8 w - - 0 1)

Ott, Hans

Schweizerische Schachzeitung, 1953

6K1/3p4/7k/4pR1B/2p1ppp1/1PR5/3PPr1P/8

#4

8 + 8


15257 Kunstwerke auf 64 Feldern (1922-1966) (Ott, Kummer, Schudel) 1968
15158 Hans Ott Schachprobleme (Kummer) 1986

SOLUTION


  • SOUND
  • Keys
    • 1.Rc2!
      • threat
        • 2.Ra2
          • threat
            • 3.Ra6+
              • 3...d6
                • 4.Rxd6#
          • 2...d6
            • 3.Ra6
              • threat
                • 4.Rxd6#
            • 3.Ra7
              • threat
                • 4.Rh7#
      • 1...Rxe2
        • 2.Ra2
          • threat
            • 3.Ra6+
              • 3...d6
                • 4.Rxd6#
          • 2...Rxd2
            • 3.Bf7
              • threat
                • 4.Rh5#
              • 3...Rxh2
                • 4.Rxh2#
            • 3.Be8
              • threat
                • 4.Rh5#
              • 3...Rxh2
                • 4.Rxh2#
          • 2...d6
            • 3.Ra7
              • threat
                • 4.Rh7#
      • 1...Rxh2
        • 2.Ra2
          • threat
            • 3.Ra6+
              • 3...d6
                • 4.Rxd6#
          • 2...d6
            • 3.Ra6
              • threat
                • 4.Rxd6#
      • 1...cxb3
        • 2.Rc5
          • threat
            • 3.Rcxe5
              • threat
                • 4.Rf6#
            • 3.Rd5
              • threat
                • 4.Rd6#
              • 3...d6
                • 4.Rxd6#
          • 2...d6
            • 3.Rd5
              • threat
                • 4.Rxd6#
            • 3.Rc6
              • threat
                • 4.Rxd6#
            • 3.Rc7
              • threat
                • 4.Rh7#
        • 2.Rc7
          • threat
            • 3.Rxd7
              • threat
                • 4.Rd6#
                • 4.Rh7#
        • 2.Rc8
          • threat
            • 3.Rcf8
              • threat
                • 4.R8f6#
      • 1...Rf3
        • 2.exf3
          • threat
            • 3.Bf7
              • threat
                • 4.Rh5#
            • 3.Be8
              • threat
                • 4.Rh5#
      • 1...d6
        • 2.Rxc4
          • threat
            • 3.Rc6
              • threat
                • 4.Rxd6#
            • 3.Rc7
              • threat
                • 4.Rh7#
        • 2.Ra2
          • threat
            • 3.Ra6
              • threat
                • 4.Rxd6#
            • 3.Ra7
              • threat
                • 4.Rh7#

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).