The need to say check

Some people say saying check is not needed in a proper game. That is half true, because your opponent should be paying attention to the game and know that herself or himself is in check, but with new players, saying check is a vital thing. People also get distracted in their games, or do not focus (read my last article, 'Focus is the key' ) and they do not realize they are in check. Here is something to argue about!