Chess System Tal 3 released

Discussion of anything and everything relating to chess playing software and machines.

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Damir
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Joined: Mon Feb 11, 2008 3:53 pm
Location: Denmark
Full name: Damir Desevac

Re: Chess System Tal 3 released

Post by Damir »

Hi,

I would really appreciate it if you can upload it for me. I would really enjoy all the extra parameters to tweak and tune the engine.
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chrisw
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Full name: Christopher Whittington

Re: Chess System Tal 3 released

Post by chrisw »

Damir wrote: ↑Thu Oct 29, 2026 8:02 pm Hi,

I would really appreciate it if you can upload it for me. I would really enjoy all the extra parameters to tweak and tune the engine.
Well that’s kind of cute but this kind of stuff responds best to automated SPSA tuning. Repetitively. Difficult to map this back to human understanding, it is what it is. One problem with SPSA is it assumes some sort of optimum has already been arrived at, then the SPSA can tune on that (sometimes quite dramatically) and the initial approximate optimum is going to be down to either the programmer having HCE and chess skill, or to copying someone else’s numbers and using those as a base, or just blindly guessing. I really can’t assert mine are definitely or were definitely an optimal base to have started from, so there may well be another surface out there to try tuning off. I have neither the time nor the necessary compute to randomly stab at new surfaces, retune and hope.