Your SPHINX Chess Computer is an ideal opponent. It is ready to play you at any time, as often as you like, at whatever level of skill you choose....
Excerpt from the SPINX Seville User Manual
This computer has the exact same level settings as ADDEX DESIGN Stratege, CXG Pocket Chess, Sphinx Seville and Fidelity Chess Challenger Micro. The software is may be the same in all these machines.
The CXG Sphinx Granada first came out in 1988. This version by Schneider out of Germany was released in 1990.