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It's a quantity vs quality tradeoff. Required nodes to reach a given depth behaves exponentially. A billion positions analyzed to depth 8 takes a 24 hours with a modern 12 core. Depth 12 takes 10 times that. Depth 20 takes (guesstimate) 750-1000 times as long as depth 8. Without distributed generat...

It's a quantity vs quality tradeoff. Required nodes to reach a given depth behaves exponentially. A billion positions analyzed to depth 8 takes a 24 hours with a modern 12 core. Depth 12 takes 10 times that. Depth 20 takes (guesstimate) 750-1000 times as long as depth 8. Without distributed generati...

Because in the past NNUE was pure and now it's hybrid.

Most of the speedup comes from classical eval being used on some nodes.

Hi everybody, Is there a difference between the two? Is one instruction set faster than the other? My CPU (10900k) supports both of them. Thx. Generally speaking, Intel processors that support bmi2 are faster with BMI2. Current AMD processors support bmi2, but are generally faster with AVX2. YMMV, ...

As with the TCEC rig, the GPUs are very nice, but unfortunately the slow CPUs are a fairly severe handicap for GPU engines like Lc0, which do best with a small number of very fast CPUs. Of course, one could say that it is up to Lc0 to improve its CPU code to better utilize more CPUs, but this is pr...

Already exists: https://stockfishchess.org/download/

So we could realize just how pathetic we would be without!

Chip with trash for IO consumes less energy than a big x570 board that has a ton of IO who would have thought? Once they start adding IO energy consumption will rise with it. Not because ARM is inherently superior but because Apple can take the cost of making their systems efficient. Apple doesn't h...

Makruk and Seirawan are "extremely" simple. But an 1800 elo player has no chance of playing perfectly. Seirawan chess is not simpler than FIDE chess. The rules are a superset of FIDE rules and the game tree is bigger too. I don't know about Makruk but it looks about the same as FIDE chess. In this ...

Makruk and Seirawan are "extremely" simple. But an 1800 elo player has no chance of playing perfectly.