> Pawn movement: A pawn can move to the square directly in front of itself, if that square is clear. A pawn on its starting rank has the option of moving two squares.
All I see is what appears to be some weirdly colored landscape. There is no text or anything to explain what I am looking at, and there do not appear to be any interactive elements on the page or any time-varying content.
Does the site esquire a plugin or something? If so, the author should at least put something there in HTML to explain what is required.
> Pawn movement: A pawn can move to the square directly in front of itself, if that square is clear. A pawn on its starting rank has the option of moving two squares.