Elite Chess Performance

It's still significantly stronger than the average online chess player

Imagine the implications to tournament chess

I said "not just", not "not". It's a matter of degree. Picking a top three engine move instead of the top one, when it's only 0.01 worse, isn't a losing strategy. Even at this level, and especially if it takes a human opponent a lot of time to counter the move accurately. And from the analyses I've seen, that's precisely what seems to be happening in this world championship.

Chess at this level is hard work, by resigning now he "sort of" stays world champion

Yes, but it also completely invalidates the measurement of a 1400 elo rating. By comparison, any player making an illegal move is forfeiting the game, almost all people from ~300 elo can play without making illegal moves, chatgpt cant.

What's keeping you from grandmaster?

Grandmasters usually play grandmasters of similar ELO, so it might think it doesn't always win. Even if it should recognize the player isn't a grandmaster, it still may be better to include that, though who knows without testing.

Yes you would, after 2 weeks of playing 4+ hour matches, knowing Gukesh was playing not to draw all along since Liren is the better player on rapid/blitz (played in case of a draw), and having 10 minutes on the clock against your opponent's 1 hour.

Fabiano Caruana (previous World Championship challenger) has said that he’s happy to find lines where the machines have you slightly behind, purely because they’re less like to have been studied in detail by your opponent. Even with perfect recall of the first 20/30 moves in various lines, players are still going to steer away from some lines based on their and their opponent’s strengths (tough against super GMs with few weaknesses though). So you’re definitely right, I think there’s a lot

A 2882 player (Magnus Carlsen) will beat a 2400 player 9/10 times.A 3544 engine (Stockfish) will beat a 2882 player 10/10 times.