Chess computer with 2,521 level settings. Sensory chess board LCD display indicates moves and other info Position Verify Position set up Take back moves Long term memory Pre programmed openings theory Audiable tone to indicate moves Solves mate in 2 move long battery life 4 x AAA batteries (not included) ELO Rating 1550 Teaching feature programmed into computer 5 styles of play 25cm x 20cm
