In chess, when a pawn has crossed the board and reaches the last rank, that pawn is promoted. In promotion, the promoting player can claim any piece he wishes. It doesn't matter what he has or...
That would be an ecumenical matter.
Yes, all they have to do is reach the absolute opposite row.
The newly promoted Queen may be placed on any unoccupied square .
Yes, IF it promotes(reaches the other side of the board) into one. You can also promote your pawn to a rook, bishop, or knight, but not a king.
Battle Vs. Chess Debut Trailer
How to Play Chess: For Beginners
How to Play Chess: The Pieces
Chess - Two Knights Opening