What happens if you forget to say check in chess?

What happens if you forget to say check in chess? You don’t have to say check. If you don’t see the check your king can be captured, and you lose the game. If you move into check your king can be captured, and you lose the game. The player who is behind in points will be declared the winner if the game ends in stalemate.

You don’t have to say check. If you don’t see the check your king can be captured, and you lose the game. If you move into check your king can be captured, and you lose the game. The player who is behind in points will be declared the winner if the game ends in stalemate.