Hello how may I help you? I want to know how to play chess yes, I can help you play chess. which part of chess do you have problem ? What does castling mean in chess? sorry, I am a bot that clarifies the rules for games. I am not equipped with the meaning. Where are the king and queen located on a chess board? the king and queen will be in the middle with two different color space. What constitutes a checkmate in chess? a player's king in in check(threatened with capture) and there is no way to remove the threat. checkmating the opponent wins the game. Okay thank you very much for clarifying the rules of chess. thank you. have a wonderful day.