No.
No. There is no such rule, nothing happens if a king reaches the opposite end of the board.
You are allowed to touch one of your opponent's pieces in chess when your piece takes one.
Nothing special happens, the rook is just on the last rank(it is the first rank if you are playing as black). Pawns are the only piece that can promote.
Improving your skills at chess is an ongoing endeavour - read and study the games of the chess masters , play opponents that are stronger than you , play the game against yourself .
When one person plays chess against many opponents at the same time is called a simul.
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 .
It stays in shape. Nothing happens.
Go to a real tournament, they register, and assign you a rating depending on your results, and the opponents rating.
The game of Chess is played by two opponents with thirty-two chess pieces , sixteen pieces per opponent , upon a sixty-four square chess board . For the rules by which to play - look to the related link below .
Nothing in the FIDE rules of chess require any minimum formal education level. You just have to be smart enough to beat your opponents more than they beat you.
Nothing happens, when the king reaches the other end of the board he reaches the other end of the board, that's it.