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I'm using Leela chess zero for a couple of days and found a couple of weight files here. But what is the place to be for weight files? I can imagine that lc0's strength is determined by the weight file.

For example, as you can see here, the project has a couple of weight files, which one should I use?

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The weights for main networks are here. The best weights depends on whether you are using a cpu or gpu. For cpu, the best weights file is probably LD2 which is a small net trained off of data for t40. For strong gpus or longer searches, one of the recent t40 networks will be very strong.

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  • I indeed need the cpu version of the weight file, but when I load that file I get the following error: Weights file is the wrong version. How can I fix that? – Jeanluca Scaljeri Jun 22 at 21:37
  • I think I might have linked the wrong file, not sure what was wrong with the other, but try the updated link. – Oscar Smith Jun 22 at 21:49
  • Did that fix it? – Oscar Smith Jun 24 at 0:49
  • Yes, just got it working. The issue was that I was using an old version of the lc0 code. Now switched to the master repo. But, with this new version, it was not building a backend. But thats fixed now and the weight files works, thnx! – Jeanluca Scaljeri Jun 24 at 9:14

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