what means won and win?

what means won and win

The statement "I win" is typically used to declare that the subject has just won the game. Before the statement, it may well not be known that a "win" has occurred. Indeed, because the action is so extremely recent in the past, it is effectively considered the present. While you technically may be right in that the win occurred in the past, language does not make this distinction. Call it an idiomatic usage case, if you will. I wouldn't over-analyse the reason