Michael ChalyandDisservin 6136d094c5 Introduce double extensions for PV nodes ...

Our double/triple extensions were allowed only for non-pv nodes. This
patch allows them to be done for PV nodes, with some stricter
conditions.

Passed STC:
https://tests.stockfishchess.org/tests/view/65d657ec1d8e83c78bfddab8
LLR: 2.95 (-2.94,2.94) <0.00,2.00>
Total: 339424 W: 88097 L: 87318 D: 164009
Ptnml(0-2): 1573, 39935, 85729, 41090, 1385

Passed LTC:
https://tests.stockfishchess.org/tests/view/65dd63824b19edc854ebc433
LLR: 2.94 (-2.94,2.94) <0.50,2.50>
Total: 459564 W: 115812 L: 114614 D: 229138
Ptnml(0-2): 248, 51441, 125173, 52705, 215

closes https://github.com/official-stockfish/Stockfish/pull/5093

Bench: 1714391

2024-03-07 19:56:30 +01:00

..

incbin

Cleanup comments

2023-12-31 19:54:27 +01:00

nnue

Only evaluate the PSQT part of the small net for large evals.

2024-03-03 15:29:58 +01:00

syzygy

Remove global TB variables from search.cpp

2024-01-17 18:05:00 +01:00

benchmark.cpp

Update copyright year

2024-01-04 15:47:10 +01:00

benchmark.h

Update copyright year

2024-01-04 15:47:10 +01:00

bitboard.cpp

Remove global TB variables from search.cpp

2024-01-17 18:05:00 +01:00

bitboard.h

Assorted cleanups

2024-02-11 19:52:00 +01:00

evaluate.cpp

Only evaluate the PSQT part of the small net for large evals.

2024-03-03 15:29:58 +01:00

evaluate.h

Update default main net to nn-1ceb1ade0001.nnue

2024-03-07 19:53:48 +01:00

main.cpp

Refactor global variables

2024-01-13 19:40:53 +01:00

Makefile

Move perft out of search

2024-01-26 20:52:26 +01:00

misc.cpp

Restore development

2024-03-03 15:01:29 +01:00

misc.h

Fix mated-in behaviour

2024-01-17 18:12:16 +01:00

movegen.cpp

Change the Move enum to a class

2024-01-04 15:51:04 +01:00

movegen.h

Change the Move enum to a class

2024-01-04 15:51:04 +01:00

movepick.cpp

Assorted cleanups

2024-02-11 19:52:00 +01:00

movepick.h

Introduce BAD_QUIET movepicker stage

2024-01-07 13:41:50 +01:00

perft.h

Move perft out of search

2024-01-26 20:52:26 +01:00

position.cpp

Only evaluate the PSQT part of the small net for large evals.

2024-03-03 15:29:58 +01:00

position.h

Assorted cleanups

2024-02-11 19:52:00 +01:00

search.cpp

Introduce double extensions for PV nodes

2024-03-07 19:56:30 +01:00

search.h

Use node counting to early stop search

2024-02-14 21:39:31 +01:00

thread_win32_osx.h

Refactor NativeThread start_routine

2024-01-21 12:21:01 +01:00

thread.cpp

Use node counting to early stop search

2024-02-14 21:39:31 +01:00

thread.h

Fix mated-in behaviour

2024-01-17 18:12:16 +01:00

timeman.cpp

Update elo estimates

2024-03-07 19:53:48 +01:00

timeman.h

Refactor global variables

2024-01-13 19:40:53 +01:00

tt.cpp

Document TT code more

2024-03-03 15:21:57 +01:00

tt.h

Document TT code more

2024-03-03 15:21:57 +01:00

tune.cpp

Refactor global variables

2024-01-13 19:40:53 +01:00

tune.h

Refactor global variables

2024-01-13 19:40:53 +01:00

types.h

Improve thread voting inefficiencies

2024-02-11 19:55:26 +01:00

uci.cpp

Update the WDL model

2024-02-24 17:59:41 +01:00

uci.h

Refactor pv printing

2024-02-03 16:50:31 +01:00

ucioption.cpp

Move OnChange callback in Option ctors

2024-01-26 21:00:41 +01:00

ucioption.h

Refactor global variables

2024-01-13 19:40:53 +01:00