hi all, Mousheng Xu wrote: > > Hi, > > Does SGF take "i" as a value of board index? All my "sgf" files > have "i"s, which surprised me. > Thanks. it seem that for informatic "a", "b", ... "i", "j" ... is more simple than "a", "b", "h", "j", ... ascii(letter) - ascii ("a") = continous number 0-18 for tabular manipulation it's simple. see you Marc