Enter Your Reply The Comment You're Replying To Claudio Martins Jaguaribe wrote on Fri, Feb 19, 2010 04:31 PM UTC:As far as I know, he have a chapter, not much in his book. Wich was his math pos-graduation. It is the only chessvariant material in portuguese. Hugs. Edit Form You may not post a new comment, because ItemID A few ideas. does not match any item.