I'm graduated in informatics engineering.
in my free time I'm developing a website with a chess variant:
Q&A for professional and enthusiast programmers
Q&A for theoretical computer scientists and researchers in related fields
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Q&A for Ubuntu users and developers
Q&A for active researchers, academics and students of physics
Q&A for programadores profissionais e entusiastas
Q&A for students, researchers and practitioners of computer science