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Comment by mindgam3 | Hacker News Reader

To OP or anyone else at DeepMind: can you comment on why you decided not to release all of the games?

IMHO as a competitive scholastic chess player (former national U16 champion and top 3 world U10) and software engineer, it would significantly increase credibility of results. Not to mention would be fascinating to see the “ugly” games in addition to the ones handpicked by your team.

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They've released over a 100 new ones here now.

https://deepmind.com/research/alphago/alphazero-resources/

That’s a step, but I still find it weird to release some but not all of the games. I’m trying to come up with a logical reason other than they have something they don’t want people to see in the rest of the data, but so far I’m failing.

It doesn't necessarily come under "logical reasons", but the DeepMind team have pretty strict rules on data retention, chances are there's a debate in the company about it.

There's a book coming out in a few weeks with more details. The authors were provided with all the data.

What would you do with 1000 games that's not possible with 100?

I would be able to accurately gauge AlphaZero’s true chess ability, strengths and weaknesses. Right now it’s impossible to do that given a curated selection of games. It would be like evaluating someone’s coding ability based on a few samples of their absolute finest work rather than the code they actually write day in and day out.

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