GM Zeng Chongsheng of China used the Catalan Opening to draw with compatriot GM Xue Haowen in 17 moves and maintain solo lead with 5.5 points after 6 rounds of the Abu Dhabi Chess Festival Masters at the Radison Blu Hotel in Corniche Road in Abu Dhabi, UAE.
Xue and five others are in second slot with 5 points apiece followed by ten other players wth 4.5 points each.
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