Lexibook, Chessman Elite, Interactive Electronic Chess Game, 64 Levels of Difficulty, LEDs, Battery Powered or 9V Adapter, Black/White, CG1300Complete and progressive: 64 difficulty levels divided into 4 different play games. Advanced: Elo 1800 player rating system. 16 LEDs (horizontally and vertically) show the moves played. TRAINING mode (improvement) indicating to the player whether the move just played is optimal or allowing the player to attempt a new move. Knows the 50 move rule, pat and draw by repetition, pawn promotion, en passant capture. Solve the mate in 5 moves. 2 players mode