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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.

Stockfish Polyglot

Stockfish Polyglot: Updated Avril, 13 2019 .

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

Massimiliano Goi wrote:
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.
This modification has been made by me being inspired by the Raubfisch default settings.