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 Rook or boat: The king's spy is called this boat or more it is the building or rooks to protect the king usually resembles the appearance of a small castle, and as a result a rook is sometimes called a "castle" (Hooper & Whyld 1996) Rarely, if ever, uses this termIn some languages ​​the ruck is called a ship: Thai ū (reya), Armenian nav (navak), Russian (Lydia), Javanese (prohu).

In medieval chess, the ruck was the symbol of a chariot. The Persian word rukh means "chariot" (Davidson 1949) and the original Indian version, the corresponding part of the quadrangle is called chariot (meaning "chariot").

Original History: An example of a besieged tower, which may represent a ruck

 The chariots of Persia were heavily armored, with one driver and at least one range-weapon bearer, such as an archer. The sides of the chariot were made like protected stonework, with hints of small, mobile buildings, creating terror on the battlefield.

 The castle or tower first appeared in Europe in the 16th century as Vidar 1550 at Ludus Scacia and then as a tower on the back of an elephant. Over time, the elephant disappears and only the tower is used as a piece.

(In the game it goes straight along and has 5 points)