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!


Saturday, April 9, 2016

Stockfish 16040820a_AlainSavard - best chess engine

Stockfish - chess engines UCI

Previous version chess engine Stockfish 

Author compilation - 
Alain Savard 

Information on the compilation:
Timestamp: 1460139175 

Backward simplication 

On top of the usual conditions 
a) some opponent in front (but no lever) 
b) some neighbours (in front) (but no neighbour behind or same rank) 
c) < rank_5 

to find out if a pawn is backward we look at the squares in front of this pawn to reach the same rank as the next neighbour. 

In current master, a pawn is backward if any of those squares is controlled by an enemy pawn on an adjacent file 

In this version, a pawn is ALSO backward if any of those squares is occupied by an enemy pawn. 

LLR: 2.95 (-2.94,2.94) [-3.00,1.00] 
Total: 19051 W: 3557 L: 3433 D: 12061 

LLR: 2.95 (-2.94,2.94) [-3.00,1.00] 
Total: 40810 W: 5619 L: 5526 D: 29665 

Bench: 7525245 

Resolves #614 


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