Chess2uLog in

Stockfish Polyglot

Stockfish Polyglot: Updated Avril, 15 2019 and fixed .

This distribution is the expansion of Stockfish beta having timestamp: 1555069684 - Revert "Shuffle detection #2064".

- The bug on the UCI interface regarding the number of threads has been corrected (thanks to the user "engine ratings").
- The bug of the OwnBook checkbox not active has been corrected.


Changes since the last Stockfish Polyglot release:

Author: Joost VandeVondele
Date: Sat Apr 13 17:17:47 2019 +0200
Timestamp: 1555168667

Remove two useless assignments (#2093)

These variables are initialized before their use in the movepicker loop.

passed STC:
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 138732 W: 30727 L: 30838 D: 77167 Elo -0.28
http://tests.stockfishchess.org/tests/view/5cb07af40ebc5925cf012c32

No functional change.

Author: Joost VandeVondele
Date: Sat Apr 13 17:15:15 2019 +0200
Timestamp: 1555168515

Give penalty for all early quiets of prev. ply

passed STC:
LLR: 2.94 (-2.94,2.94) [-3.00,1.00]
Total: 32884 W: 7283 L: 7184 D: 18417 Elo +1.05
http://tests.stockfishchess.org/tests/view/5cacb1b20ebc5925cf00ce97

passed LTC:
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 22869 W: 3920 L: 3803 D: 15146 Elo +1.78
http://tests.stockfishchess.org/tests/view/5cacbd760ebc5925cf00cfce

Bench: 3723099

Author: protonspring
Date: Sat Apr 13 16:58:41 2019 +0200
Timestamp: 1555167521

Simplify Connected Pawn Scoring #2090

This is a functional simplification that simplifies
connected scoring of pawns.

STC
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 37472 W: 8318 L: 8228 D: 20926 Elo +0.83
http://tests.stockfishchess.org/tests/view/5cae74ef0ebc5925cf00f8a5

LTC
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 43035 W: 7366 L: 7281 D: 28388 Elo +0.69
http://tests.stockfishchess.org/tests/view/5caea3b50ebc5925cf00fe1e

Bench: 3470173

Author: Massimiliano Goi
Date: Sat Apr 13 23:30:04 2019 +0200

The value max_threads = std::thread::hardware_concurrency(); has been added to ucioption.cpp so that the
engine settings dialog box is set by default with the maximum number of threads.