Zappa Mexico, the latest version of the Zappa chess engine by Anthony Cozzie is now available on shredderchess.com. Zappa is one of the strongest chess programs in the world, won the computer chess world championships in 2005, is the reigning vice world champion and is famous for his powerful and dynamic play. We deliver Zappa Mexico via download as a UCI engine for Windows and Linux. This way you can install Zappa in all modern chess user interface.