The leader in electronic chess games. Progressive and comprehensive, with 64 difficulty levels divided into 4 game styles. ELO 1800, learning mode (evaluation if the move is not optimal, the player is then given another try). All the rules, 50 moves rule, stalemate and draw the promotion of pawns anmd the en passant; capture. Established and successful design, colours and light effects. (64 LEDs). For ages 7. Batteries required: 4 x AA (not included) . Manufacturers 2 year guarantee. WARNING(S): Not suitable for children under 3 years old. Only for domestic use.