Chess: An ancient game that goes back to India

The ancestor of the game of chess is believed to date back to India in the sixth century.

However, in the ancient Orient, from China to Egypt, several similar games representing a combat between pawns on a kind of draughtboard also existed.

Legend has it India exported the ancient form of chess to Persia, giving King Chosroes Anushirvan a game that was invented just for him: the game of "four kings," or "chaturanga."

As Arabs conquered Persia, they discovered then fell in love with the game. The first technical books on chess were written in Arabic, and the caliphs of Baghdad hosted the best players.

Chess then spread as Arabs established their influence in newly conquered territory. In the West, the game reached North Africa and the Mediterranean.

It took hold in the new province of al-Andalus, now current-day Andalusia, southern Spain. Universities the Moors established there taught Islamic culture, which included chess.  The game of strategy reached the Christian West in the late 10th century and even earlier in China and Japan. Trade also brought it to Scandinavian and Russian peoples by the end of the 11th century.

Over the centuries the game has been profoundly modified, each society developing rules with their own codes. Even though they had the same origins, the early Indian, Chinese and Japanese games had nothing in common with Western chess.

From around 1200, Western books on chess began to appear, including "The Moralized Game of Chess" by Italian Dominican Jacques de Cessoles around 1315.

Towards the end of the Middle Ages and the beginning of the Renaissance, the "new" game of chess emerged, the queen and the bishop adopting their current positions, with the queen becoming the most...