Hello how may I help you? I want to know the rule of chess Of course. Let me look this up for you. who goes first in chess? In the game of chess, white traditionally moves first. But, there have been discussions that this gives an uneven advantage to the player who is playing white. ok thank you. what is define checkmate? A checkmate is defined as a check from which a king is unable to escape. Do you have any more questions about Chess? no that's fine. thank you for your help. You are most welcome. thank you. Have a nice night.