The sixth-century Indian game from which all chess descends. The Raja moves like a king, the Ratha (chariot) like a rook, the Ashva (horse) like a knight. But the Mantri (counsellor) creeps one square diagonally, and the Gaja (elephant) jumps exactly two squares diagonally.
The Mantri and Gaja are feeble by modern standards — the Mantri touches only one diagonal step, and the Gaja is stuck on eight squares of one colour forever. Lean on your Ratha and Ashva to do the real work, and use the leaping Gaja to reach over pawn walls the enemy thinks are safe.