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Monday, August 21, 2017

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

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