History of chess were finalized in the early 19th century. The modern move of the queen may have started as an extension of its older ability to once move two squares with jump, diagonally or straight. Marilyn Yalom says that the new move of the queen started in Spain: see history of the queen. In some areas (e.g. Russia), the queen could also move like a knight. A poem "Caïssa" published in 1527 led to the chess rook being often renamed as "castle", and the modern shape of the rook chess piece; see Vida's poem for more information. An Italian player, Gioacchino Greco,
Hostage Chess Hostage Chess Hostage Chess is a chess variant invented by John Leslie in 1997. pieces are not eliminated from the game but can reenter active play through drops, similar to shogi. Unlike shogi, the piece a player may drop is one of his own pieces previously captured by the opponent. In exchange, the player returns a previously captured enemy piece which the opponent may drop on a future turn. This is the characteristic feature of the game. Hostage Chess has tactical subtlety and "tends to favour the attacker". In 1999, David Pritchard called the game "the variant of the decade".