There was, however, also a change to the privacy policy, effective July 8, 2026. See https://privacy.claude.com/en/articles/10301952-updates-to-o... It now says:

"Verification Data: In certain circumstances, we may ask you to verify your age or identity. If you choose to do so, data we will collect includes, depending on the method: an image of your government-issued identity document and the information appearing on it (such as your ID number and date of birth); your image in photo or video form, facial geometry templates (which may be considered ‘biometric data’ in some jurisdictions); and the result of the verification (for example, whether your age meets the applicable threshold)."

The previous (Jan 2026) version did not have this.

An Anthropic employee suggests on X that this is just so users flagged for potentially fraudulent activity have a way to get their account reinstated and it is unrelated to the Fable rollout.

https://x.com/trq212/status/2068793885535694858

The claim is not that the algorithm is complicated, but that the abacus training helps in execution by involving visuospatial brain areas instead. Your argument is like saying training methods for track athletes are all equally effective because running is simply putting one foot in front of the other quickly.

> the correlation between Asia and mental math + abacus is spurious

However, I do not think the correlation is spurious. Involving additional brain areas like premotor (imagining moving the beads) and parietal (seeing the beads) is likely responsible for the incredible speeds achieved by trained abacus users. https://doi.org/10.1016/S1053-8119(03)00050-8

Western mental addition operates on fundamentally different timescales. Here's Aaryan Shukla adding 100 4-digit numbers in 300ms per number: https://www.youtube.com/watch?v=6ouUk0zIbos

In a presentation shared with the players about the dress code before the event, jeans are listed on a slide titled "What's NOT allowed?" with "Not Approved" stamped in big red letters over a picture of jeans [3]. FIDE CEO says jeans have been banned in this event since 2018, and that players were asked for feedback on the dress code before the event, and none complained [4].

The same dress code presentation shared with players also has instructions for the Chief Arbiter:

  The dress code is strictly enforced to maintain a consistent level of professionalism and respect for the event. The Chief Arbiter, in consultation with the FIDE Athletes Commission, will ensure that the dress code is upheld.
  
  First Infringement
  A financial penalty of 200 € for open events and 100 € for women's events. The player is allowed to play the current round.
  Further Infringements
  Exclusion from the pairings for the next round. Each round counts as one infringement.

In an interview, Magnus stated he was not having the best tournament, explained he had already lost his patience with FIDE due to an ongoing feud over the freestyle chess championship, and stated he declined to change into approved attire as a matter of principle and would withdraw from the rapid tournament and also the upcoming fide blitz tournament, apologizing to fans at home [8].

[1] https://doc.fide.com/docs/90%20Congress%20Agenda%20and%20Ann...

[2] https://www.fide.com/directory/commissions (GM Ahmed Adly, GM Eugenio Torre, IM Dinara Saduakassova, WIM Jesse Nikki February, GM Irina Krush, GM Wei Yi, IM Alina Kashlinskaya, IM Oluwafemi Daniel Balogun, IM Noaman Omar, GM Ioan-Cristian Chirila, IM Irine Kharisma Sukandar, GM Ivan Cheparinov, GM Evgeny Tomashevsky, WGM Aleksandra Dimitrijevic)

[3] https://doc.fide.com/docs/2024_WRBC/wrbc2024_dress_code.pdf

[4] https://www.youtube.com/watch?v=NWi5CIKhuSs [ Magnus Carlsen Jeans Scandal | Full Story ] from 15m00s

[5] https://www.fide.com/news/3363

[6] https://www.youtube.com/watch?v=PrK88j-fyaw [ FIDE World Rapid Championship 2024 | Rds 6-9 ], Magnus' round 7 game finishes around 2h24m30s, round 8 2h59m50s

[7] https://www.facebook.com/chess/videos/-magnus-carlsen-is-unp...

[8] https://www.youtube.com/watch?v=NWi5CIKhuSs [ Magnus Carlsen Jeans Scandal | Full Story ] from 3m28s

Unless your license has been terminated by the copyright holders, in which case you cannot be compliant with the license because don't have a license to distribute the material at all.

> Stockfish argues that ChessBase isn’t compliant because they refuse to release the weights.

I haven't seen them argue this anywhere. You've linked to their previous statement in which they only say that they "condemn" the fact that the weights are not being released.

The announcement says that they've filed the lawsuit "to enforce the consequences of the license termination" because "ChessBase is ignoring the fact that they no longer have the right to distribute Stockfish, modified or unmodified, as part of their products."

> But GPLv3 doesn’t give you the ability to terminate a license arbitrarily; it requires you meet some specific criteria, and it’s unclear that ChessBase meets it.

You seem to be talking about this paragraph in the GPLv3 (https://github.com/official-stockfish/Stockfish/blob/sf_14/C...) :

"Moreover, your license from a particular copyright holder is reinstated permanently if the copyright holder notifies you of the violation by some reasonable means, this is the first time you have received notice of violation of this License (for any work) from that copyright holder, and you cure the violation prior to 30 days after your receipt of the notice."

However, this is not ChessBase's first violation. They've also tried to pass off Houdini as original work: https://shop.chessbase.com/en/products/houdini_6_pro_multipr...

Houdini 6 is also a stockfish clone. https://chess.stackexchange.com/questions/29181/is-houdini-6...

https://github.com/official-stockfish/Stockfish/blob/sf_14/C...

They mean that the weights are not open sourced. If the weights are distributed separately and not considered part of the "Corresponding Source", that may not be a GPL violation, and the blog post does not imply that it is. (They only say that they condemn the approach.)

> 2. But the weights are already being released with the program they're selling. Otherwise, how would the program run? Why would they refuse, when they already distribute the weights with every copy of the program? I thought maybe Fat Fritz 2 was a cloud-hosted solution (weights aren't provided locally), but https://en.chessbase.com/post/running-leela-and-fat-fritz-on... seems to indicate it can run on a laptop with a GPU.

The GPL can be interpreted to require that all the input necessary to reproduce and run a functioning binary must be distributed. If the weights and engine are integrated in one binary, and not "all the source code needed to generate, install, and run the object code and to modify the work, including scripts to control those activities" is provided, that could be a GPL violation. This does not apply if the weights are distributed separately under a different license.

> I'm on Stockfish's side here, because I suspect ChessBase simply duplicated StockFish's training methodology and tried to pass it off as their own. (The engine's performance seems almost identical.) But I hope Stockfish has an airtight case for court. It'd be a bad idea to hinge the GPL violation on "they refused to release the neural net weight training code."

They may have terminated the license in response to the Houdini revelations[1] which is another chess engine based on Stockfish that Chessbase has sold as original work, disguising its Stockfish origins in violation of the GPL.

As the GPLv3 says under Section 8 [2] the license can be reinstated if "this is the first time you have received notice of violation of this License (for any work) from that copyright holder" - the first violation would have been Fat Fritz 2.

[1] https://groups.google.com/g/fishcooking/c/DygaIdBvJm0 [2] https://github.com/official-stockfish/Stockfish/blob/sf_14/C...

This depends a lot on how much you of the price of bitcoin you think is speculation (versus fundamental), and exactly how much inflation you expect. If the FED overshoots the inflation target speculation could cool down a lot [1]. That may give you an "inflation hedge" that evaporates if inflation actually happens.

[1] Page 74, Section A.7 Speculative premium, https://researchdatabase.minneapolisfed.org/downloads/0p0966... [PDF, 1.8MB]

Recently, Katago has reached similar levels of strength using a small fraction of the resources: https://arxiv.org/abs/1902.10565

It depends on what you mean by "more efficient." The significance of AlphaZero was that you can reach good results in a variety of domains even without human expert knowledge to provide supervised learning data or engineer features. It's efficient in terms of engineering resources.

A precisely tailored approach can always get better results.

https://en.wikipedia.org/wiki/Samuel_Chase

https://en.wikipedia.org/wiki/Harlan_F._Stone

https://en.wikipedia.org/wiki/Ward_Hunt

https://en.wikipedia.org/wiki/Associate_Justice_of_the_Supre...

For such a company, what address would it have? Maybe where you place its headquarters has some significance too.

Interestingly, this link says that in the US: "Generally a corporation is treated as a domestic corporation if it is created or organized under the laws of the United States, any State, or the District of Columbia. No other criteria related to place of management will cause a corporation to be domestic."

https://www.oecd.org/tax/automatic-exchange/crs-implementati...

If you do decide to incorporate somewhere else, and you manage the company from the US, make sure it's a place where the tax code also doesn't care about the place of effective management.

However, if the income is US-source, aren't you always taxed on that income in the US anyway? "A foreign corporation engaged in a US trade or business is taxed at regular US corporate tax rates, but only on income from US sources that is effectively connected with that business, and at 30% on US-source income not effectively connected with that business. By contrast, US-resident corporations are taxed based on their worldwide income."

https://www.pwc.com/us/en/tax-services/publications/assets/d...

I wonder what the best way of coordination would be. Perhaps they can identify several promising lines and each player chooses one variation to calculate more deeply.

From my own experience playing (as a weak amateur), I feel I'm rarely able to think so systematically -- often ideas I discover while contemplating one line are tried in entirely different variations, so it would perhaps take some getting used to before a team can function optimally.

I am not sure if slower time settings favoring the human is still true -- AlphaGo works a little bit differently from traditional computer go programs.

Earlier versions of AlphaGo against Fan Hui, the slower official matches were 5-0 in favor of AlphaGo, whereas in the unofficial blitz games, Fan Hui managed to win some games.

At amateur level, say a 2d vs a 2k player would perhaps have a 99.9% winrate. To make it an even game, would take 4 handicap stones. But at pro level, I think it's possible for player A to have a 99.9% winrate against player B, but on two handicap stones, for player B to be the favorite.

Even an engine that is enormously successful against top human players would struggle at high handicaps vs them.

Initially it looked to me like a switch called "crd" as argument to the "cmd" command. This would have fooled me into thinking it is harmless. I wouldn't have fallen for "format c:" but I might have fallen for this.

The space between "/c" and "rd" is apparently not necessary. I tested it and it really works.

I find it very difficult to understand how meat eaters can manage to get it through their throat without throwing up, but to each their own.

I sometimes get comments about how environmentally conscious I am or how ethical I am for being vegetarian, but I don't feel virtuous at all. It doesn't take any special willpower for me not to eat meat, I have zero craving for it.

I hate vegetarian food that tries to replicate the taste and texture of meat.

As other commenters have mentioned, there's a big market for just honest vegetarian cooking that does not try to imitate anything.

The same goes for food as for people: just be yourself! Don't try to be something you're not.