Eques
Eques, ''horseman'' or ''rider'' in Latin, may refer to: * Equites, a member of the Roman Equestrian order * the Latin word for a knight in chess * '' Eques'', a small genus of fishes in the drum family Sciaenidae Sciaenidae is a family (biology), family of ray-finned fishes belonging to the Order (biology), order Acanthuriformes. They are commonly called drums or croakers in reference to the repetitive throbbing or drumming sounds they make. The family co ...

Eques (fish)
''Eques'' is a small genus of marine ray-finned fishes belonging to the family Sciaenidae, the drums and croakers. These fishes are found in the Western Atlantic Ocean. Taxonomy ''Eques'' was first proposed as a monospecific genus in 1793 by the German physician and naturalist Marcus Elieser Bloch with its type species ''Eques americanus'', which Bloch was describing as a new species from the Western Atlantic. In 1815 Constantine Samuel Rafinesque proposed the new name ''Equetus'' for the genus as ''Eques'' had been used for a subgenus of Lepidoptera by Linnaeus but Linnaeus's name has been deemed to be invalid under the International Code of Zoological Nomenclature so Rafinesque's replacement name was not needed. This genus has been placed in the subfamily Sciaeninae by some workers, but the 5th edition of ''Fishes of the World'' does not recognise subfamilies within the Sciaenidae which it places in the order Acanthuriformes. Species ''Eques'' contains two valid species: * ''E ...
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Equites
The (; , though sometimes referred to as " knights" in English) constituted the second of the property/social-based classes of ancient Rome, ranking below the senatorial class. A member of the equestrian order was known as an (). Description During the Roman Kingdom and the first century of the Roman Republic, legionary cavalry was recruited exclusively from the ranks of the patricians, who were expected to provide six (hundreds) of cavalry (300 horses for each consular legion). Around 400BC, 12 more of cavalry were established and these included non-patricians (plebeians). Around 300 BC the Samnite Wars obliged Rome to double the normal annual military levy from two to four legions, doubling the cavalry levy from 600 to 1,200 horses. Legionary cavalry started to recruit wealthier citizens from outside the 18 . These new recruits came from the first class of commoners in the Centuriate Assembly organisation, and were not granted the same privileges. By the time of t ...
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Knight (chess)
The knight (♘, ♞) is a piece in the game of chess, represented by a horse's head and neck. It moves two squares vertically and one square horizontally, or two squares horizontally and one square vertically, jumping over other pieces. Each player starts the game with two knights on the b- and g-, each located between a rook and a bishop. Movement Compared to other chess pieces, the knight's movement is unique: it moves two squares vertically and one square horizontally, or two squares horizontally and one square vertically (with both forming the shape of a capital L). Consequently, a knight alternates between light and dark squares with each move. When moving, the knight can jump over pieces to reach its destination. Knights capture in the same way, replacing the enemy piece on the square and removing it from the board. A knight can have up to eight available moves at once. Knights and pawns are the only pieces that can be moved in the chess starting position. Val ...
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