Queen (chess) to the announcement of "check". Some published rules even required this announcement before the queen could be legally captured. This custom was largely abandoned in the 19th century. In Russia for a long time the queen could also move like a knight; some players disapproved of this ability to "gallop like the horse" (knight). The book "A History of Chess" by H.J.R. Murray, page 384, says that William Coxe who was in Russia in 1772 saw chess played with the queen also moving like a knight. Such an augmented queen piece is now known as the fairy chess piece "amazon".
Chess piece relative value Chess piece relative value In chess, the chess piece relative value system conventionally assigns a point value to each piece when assessing its relative strength in potential exchanges. These values help determine how valuable a piece is strategically. They play no formal role in the game but are useful to players and are also used in computer chess to help the computer evaluate positions. Calculations of the value of pieces provide only a rough idea of the state of play. The exact piece values will depend on the game situation, and can differ considerably from those given here. In some