Stockfish and Leela Chess Zero have been dominating computer chess for some time now, as Houdini hasn't been updated in something like three years and Komodo has fallen off the pace, and after briefly being surpassed by LC0 Stockfish has reasserted its usual supremacy of late.
This makes four different leaders in four rounds. After rounds 1 & 2, Fabiano Caruana led the tournament. After round 3, he shared the lead with Levon Aronian, while after round 4 Magnus Carlsen was the sole leader.
How could I let this slide by, when the world is crying out for news about Notre Dame football? Forgive me, my friends.
Alireza Firouzja took the lead of the 8th Altibox Norway Chess tournament following his victory against Aryan Tari. Former leader Levon Aronian was beaten by Fabiano Caruana and Magnus Carlsen beat Jan-Krzysztof Duda following his defeat the day before.