The tallest piece on the chess board is the king.
The pawn can be promoted to any chess piece upon the board with the exception of the King .
when you say corner chess piece, do u mean the piece tht starts in the four corners of the chess board, if so then that is called a rook.
The chess piece rook is also called a castlebecause of its appearance on top.
Reaching the end of the chess-board is only significant to the pawn who then can be promoted to any chess piece other than the King .
How would you make a system to play chess? Hint google chess board number system
While the king is the single most important chess piece , the queen is the most powerful and thus the strongest piece because of her power to move about the chess-board in strength .
When the pawn gets to the other side of the board, it can get promoted into a bigger piece, such as a quenn or a knight.