Chess Clock online is an excellent opportunity to play chess professionally. After all, without such hours, what could be the excitement of sports? Therefore, use our chess clock for an exciting and exciting game. Work hours is simple. There are two hours. Who will start the course that starts the timer? After completing the turn, the player switches the clock to the opponent. And time begins to be considered for him. Everything continues in a circle until the end of the game. By agreement, chess players can pause the clock and go for tea. Just take a break. And then continue the game from the moment you stop. This online chess clock is suitable for computers. They can be expanded to full screen. And for mobile devices use our Alarm clock online.