Beginner Chess offers true two people playing chessboard, no AI.
Does not support the "En passant (in passing)" and "Castling".

Promotion:
When a pawn advances to the eighth rank, as a part of the move it is promoted and must be exchanged for the player's choice of queen, rook, bishop, or knight of the same color.

Draw:
The fifty-move rule – if during the previous 50 moves no pawn has been moved and no capture has been made.