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Up Topic The Rybka Lounge / Test Positions / tactics cannot be very important for chess
- - By user923005 (****) Date 2019-10-29 16:53
I did an experiment (perhaps flawed because I used this net:128x10-2019_1026_0142_45_230.pb) and LC0 is really terrible at tactics on a Nvidia TI-1080.
The engine crashed once when I was analyzing, so I restarted at the point where analysis left off, and it did not crash a second time.

I am re-running the test with a 256 net 256x20-2019_0726_0906_48_558.pb

Since LC0 performed so terribly (I gave 12 minutes per position on a test set meant to run for 15 seconds per position) and is beaten by all the strong tactical engines by a landslide, I can only conclude that tactics are not very important for the game of chess.

On the other hand, if they are important, and they can somehow be compiled into an LC0 net, perhaps LC0 would become utterly unbeatable
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Attachment: tactics.7z - data from analysis (432k)
Parent - By dorszcz (**) Date 2019-10-29 20:51
Thanks for these interesting results. 12 minutes on quite strong GPU is a lot. I like when engines are becoming stronger, faster, just better, but at the same time I don't want chess to be solved. So the poor result of Lc0 which is about same strenght as Stockfish is not bad news. It only confirmes there is a lot of room for improvement in both tactics and positional chess. The level of perfect play in my opinion is far beyond of 4000-4500 ELO as I could read on the chess forums a few years ago.
Up Topic The Rybka Lounge / Test Positions / tactics cannot be very important for chess

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