Teimour Radjabov held World champion Magnus Carlsen four times for a 2-2 deadlock in their first match of the best-of-three-match quarterfinals of the New in Chess Classic rapid online tournament on Tuesday.
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Levon Aronian surprised Tour leader Wesley So 3-1 as all four games proved decisive. Shakhriyar Mamedyarov stopped teen sensation Alireza Firouzja 3-1 by winning the first and fourth games. Hikaru Nakamura scored a lone win in his 2.5-1.5 triumph over Liem Quang Le.