Since you’re here...

We hope you will consider supporting us today. We need your support to continue to exist, because good entries are more and more work time. Every reader contribution, however big or small, is so valuable. Support "Chess Engines Diary" even a small amount– and it only takes a minute. Thank you.
============================== My email: jotes@go2.pl



Stockfish 17081709 - new version!

Stockfish, chess engine UCI

Leader rating list JCER = 3331
🔬 Author: Lucasart

More:
Timestamp: 1502955164 

Use int16_t in History values 
Reduces memory footprint by ~1.2MB (per thread). 

Strong pressure: small but mesurable gain 
LLR: 2.96 (-2.94,2.94) [0.00,4.00] 
Total: 258430 W: 46977 L: 45943 D: 165510 

Low pressure: no regression 
LLR: 2.95 (-2.94,2.94) [-3.00,1.00] 
Total: 73542 W: 13058 L: 13026 D: 47458 

Strong pressure + LTC: elo gain confirmed 
LLR: 2.96 (-2.94,2.94) [0.00,4.00] 
Total: 31489 W: 4532 L: 4295 D: 22662 

Tested for crashing on overflow and after 70K games at STC we have only 4 time losses, possible candidate for an overflow. 

No functional change. 

⭐⭐⭐   Stockfish 17081709 - download

Comments

Popular posts from this blog

New Strong Engines Test, by Chess Engines Diary, 2024.04.12

New chess opening book: M11.2 (bin and ctg)

New version chess engine: Lc0 BT4

Dragon NNUE by Komodo Chess - it's free!