This is a tournament in which each participant plays every other participant an equal number of times. In a double round-robin tournament the participants play each other accurately twice, once with white and once with black.

LUDO (from Latin ludo, I play) is a simple board game, similar to Tock and Sorry, for two to four players, in which the players compete their four tokens from start to finish according to dice rolls. The game is a overview of the traditional Indian Cross and Circle game Pachisi. The game is admired in many countries and is known as "Ludi" in the Caribbean, and "Fia" in Sweden.

The Table or Stand on which the Carrom Board is put to play would not be less than 63cm and not more than 70cm in height. The Carrom Board, when placed on it, would not be uneven or shake. eventhough, padding below the Carrom Board and/or the Table or Stand on which the Carrom Board is taken placed, might be used to make the playing surface of the Carrom Board level and firm as far as possible.

The queen is the most dominant piece in the game of chess. Each player starts the game with one queen, placed in the middle of their first rank next to their king. The white queen starts on a white square, and the black queen on a black square, thus the mnemonic ""queen gets her color"" or ""queen on color"". In statistical memo, the white queen starts on the d1 square and the black queen starts on the d8 square.

In the game shatranj, an ancestor of chess, the queen was a fairly weak piece called a fers or vizier, only able to move or capture one square in a diagonal direction similar to a pawn. The modern queen's go arose in 15th century Europe.

The piece is archaically known as the minister. In Polish it is known as the Hetman - the name of a foremost historical military-political office.