Chadarangam

Chadarangam () is a Telugu version of Indian chess, Chaturanga. It became very famous among kings and courtesans. Previously chariots ("Ratha") were used in warfare, but in medieval times chariots were replaced by camels ("Oṣṭra"). So, the bishop in olden days was called "Ratha" / "Śakaṭa" and in medieval ages was called "Oṣṭra".
Etymology.
This name may be derived from the Sanskrit word "Chaturanga" or Persian word "Chatrang". The Sanskrit word Chaturanga has a direct meaning "having four limbs". But in a military context it has meaning "an entire army (comprising elephants, chariots, cavalry, and infantry)".
The game pieces.
Names.
Pieces will be of two colours: black (Nalla) and white (Tella). In Telugu, pieces are called "pikka" (plural – pikkalu). Each side has mainly six types of pieces, namely:
Movements.
Their movements are designed accordingly in the Chadarangam as:
Significance.
The position and movements of pieces (Anga) correctly suit the reality of Indian warfare:
Terminology.
In Telugu:
Valuations.
The value of:
References.
Caturanga Darpanamu (1910) – Esvarappa Pantulu, Buddiraju