Today (ok, yesterday, as I write this) was a highly eventful day at the Norway Chess tournament, as the leader, world champion, and possessor of a record 125-game undefeated streak in classical chess - namely, Magnus Carlsen - suffered defeat at long last. It only took 26 1/3 months for someone to do it, but someone did; oddly, it was tournament tailender Jan-Krzysztof who did the honors.
Or maybe it wasn't so odd. Despite being the tailender, he is a very strong, enterprising player, and his poor results in the tournament up to that point may have encouraged Carlsen to take more risks than he should have. His play was indeed very risky, from the provocative opening to his sacrifice of a pawn and then of the exchange, but when he started to go astray the culprit may have been that he didn't play energetically enough at a key moment.
You can check the details for yourself where I annotate the game, but the bottom line is that his streak is over, and more than that, he's out of first. Levon Aronian defeated Fabiano Caruana with the black pieces in their classical game (in fact, all three matches were decided in classical chess) and is alone in first place, a point ahead of Alireza Firouzja (who defeated Aryan Tari with the white pieces), who is in turn a point ahead of Carlsen.
The games are here (with my comments to Duda's win over Carlsen), and here are the pairings...which are exactly the same as today's, but with colors reversed. That those pairings would occur at some point is unsurprising, as this is a double round robin, but it is very unusual for it to happen in back-to-back rounds. Anyway, here are the pairings, with player scores in parentheses: