Touch-move rule the player touches his rook at the same time as touching the king, he must castle with that rook if it is legal to do so. If the player completes a two-square king move without touching a rook, the player must move the correct rook accordingly if castling on that side is legal. Otherwise, the move must be withdrawn and another king move made. When a pawn is moved to its eighth , once the player takes his hand off the pawn, a different move of the pawn can no longer be substituted. However, the move is not complete until
Chess tournament champion is Komodo. FIDE tournaments are held according to the FIDE handbook rules, which is used as a basic guide for many chess tournaments. The handbook contains nine articles dealing with chess competitions. A chess clock is a clock with two separate time displays of which only one display can be running at a time. The player with the black pieces will initiate their opponent's timer at the start of the game. Thus the player with the white pieces will have their timer running first, and will make the first move. The player or the arbiter may end the game