WCSC23: http://www2.computer-shogi.org/wcsc23/appeal/GPS_Shogi/WCSC2013_appeal.pdf
WCSC24: http://www2.computer-shogi.org/wcsc24/appeal/GPS_Shogi/appeal.txt
WCSC25: http://www2.computer-shogi.org/wcsc25/appeal/GPS_Shogi/wcsc2015.pdf
WCSC26: http://www2.computer-shogi.org/wcsc26/appeal/GPS_Shogi/wcsc-appeal.pdf
WCSC27: http://www2.computer-shogi.org/wcsc27/appeal/GPS_Shogi/wcsc-appeal.pdf
WCSC28: https://www.apply.computer-shogi.org/wcsc28/appeal/GPS_Shogi/wcsc-appeal.pdf