Indian Grandmaster R Praggnanandhaa was held to a draw by Romanian Deac Bogdan-Daniel in the sixth round of the Super Chess Classic.
France's Alireza Firouzja withdrew from the tournament due to an ankle injury, allowing Germany's Vincent Keymer to stretch his lead to a full point.
Keymer remained the sole leader on 4.5 points, a full point clear of Holland's Jorden Van Foreest and Anish Giri, who are tied with top seeded American Fabiano Caruana and Praggnanandhaa on 3.5 points each.
Maxime Vachier-Lagrave of France and Wesley share the sixth spot on three points apiece, while World Championship challenger Javokhir SIndarov of Uzbekistan is close behind on 2.5 points.
The Super Chess Classic has a total prize pool of 375,000 USD, with 100,000 USD reserved for the winner.