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In page Shatranj:

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During the reign of the Arab caliphs, shatranj players of highest class were called aliyat or grandees.[1] There were only a few players in this category including:

  • As-Suli was the strongest player during the reign of caliph al-Muktafi. Al-Razi was already dead and there were no players of comparable strength before as-Suli appeared on the scene. In the presence of al-Muktafi he easily won a match against a certain al-Mawardi and thus proved that he was the best player of that time. As-Suli considered Rabrab and al-Razi as the greatest of his predecessors.
  • Al-Lajlaj was a pupil of as-Suli and also a great shatranj master of his time.[citation needed]