Updated 2021-12-17: A closed-form solution has been submitted The Royal Game of Ur, also known as the Game of Twenty Squares, is one of the oldest known board games, with attestations from 3000 to 250 BC. It was an enduringly popular game, played across multiple civilizations and across the Middle East. As a racing game, two players compete to move their pieces along and off the board, where their own pieces can act as road blocks to their own movement but can also send the other’s players ...
