http://bugs.winehq.org/show_bug.cgi?id=22287
--- Comment #22 from Jaime jskartman@gmail.com 2010-05-25 06:46:32 --- I was doing the WINEDEBUG=variant with wine 1.2rc1 and all is working fine. I don't see the error anymore. I run notepad and it is in spanish so I am running chessimo in spanish too.
So seems fixed!