Blog "Chess Engines Diary" - needs a new laptop for chess engine tests

♔ We use for testing only 2 old laptops:
1. Acer - Intel Core i3-3217U ( 5 years old)
2. Lenovo - Intel Core i7-4710MQ is over 3 years old (He works 24 hours a day)

♕♞ A modern laptop that will be designed only for chess engine tests costs (with software) about $ 1000-1200 (4200-4500 PLN). We will no longer invest private money, and chess engine testing costs are big. That is why we are starting the collection for the purchase of a laptop for testing.

♕ Our blog "Chess Engines Diary" is visited by around 2,000-3.000 users daily. If only everyone paid 1 dollar - we will pay the required amount in one day!


Thursday, October 15, 2015

Stockfish 15101223 - new development version very strong chess engine UCI

Stockfish - chess engines UCI

Previous version chess engine Stockfish 

Author compilation - Voyager One

Information on the compilation:
Combination of two ideas: 
Apply bonus for the prior CMH that caused a fail low. 

Balance Stats: CMH and History bonuses are updated differently. 
This eliminates the "fudge" factor weight when scoring moves. Also 
eliminated discontinuity in the gravity history stat formula. (i.e. stat 
scores will no longer inverse when depth exceeds 22) 
LLR: 2.96 (-2.94,2.94) [0.00,5.00] 
Total: 21802 W: 4107 L: 3887 D: 13808 
LLR: 2.96 (-2.94,2.94) [0.00,5.00] 
Total: 46036 W: 7046 L: 6756 D: 32234 

Bench: 7677367 


 Stockfish 15101223 - download

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