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!


Wednesday, June 7, 2017

Stockfish 17060619 - new version!

Stockfish, chess engine UCI
Leader rating list JCER = 3372
🔬 Author: atumanian

Timestamp: 1496769313 

Don't score as an immediate draw 2-fold repetitions of the root position 

In the current version a search stops when the current position is the same as any position earlier in the search stack, including the root position but excluding positions before the root. The new version makes an exception for repeating the root position. 

This gives correct scores for moves in the MultiPV > 1 mode. 
Fixes #948 (see it for the detailed description of the bug). 

ELO: 0.38 +-1.7 (95%) LOS: 66.8% 
Total: 40000 W: 5166 L: 5122 D: 29712 

LLR: 2.94 (-2.94,2.94) [-3.00,1.00] 
Total: 94622 W: 17059 L: 17064 D: 60499 

LLR: 2.96 (-2.94,2.94) [-3.00,1.00] 
Total: 61259 W: 7965 L: 7897 D: 45397 

Bench: 6599721 
Closes #1126 
⭐⭐⭐   Stockfish 17060619 - download

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