Courtesy: Wikipedia

Christian and Muslim playing chess in al-Andalus, from The Book of Games of Alfonso X, el Sabio, c. 1285. The game of chess originated in India, but was transmitted to Europe by the Islamic world.

Lebedel, Claude (2006), Les Croisades, origines et conséquences, Editions Ouest-France, ISBN 2-7373-4136-1, OCLC 181885553.  Page 109.

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