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728b963614a765f5cb64c44a078169cca977750f
Stockfish/src
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pb00067 728b963614 Use common_parent_position hint also at PVNodes TT hits. 
Credits to Stefan Geschwentner (locutus2) showing that the hint
is useful on PvNodes. In contrast to his test,
this version avoids to use the hint when in check.
I believe checking positions aren't good candidates for the hint
because:
- evasion moves are rather few, so a checking pos. has much less childs
than a normal position
- if the king has to move the NNUE eval can't use incremental updates,
  so the child nodes have to do a full refresh anyway.

Passed STC:
https://tests.stockfishchess.org/tests/view/63f9c5b1e74a12625bcdf585
LLR: 2.95 (-2.94,2.94) <0.00,2.00>
Total: 124472 W: 33268 L: 32846 D: 58358
Ptnml(0-2): 350, 12986, 35170, 13352, 378

closes https://github.com/official-stockfish/Stockfish/pull/4410

no functional change
2023-02-27 08:27:26 +01:00
..
incbin
Embed default net, and simplify using non-default nets
2020-08-29 21:56:00 +02:00
nnue
Fix typo in method name
2023-02-24 20:12:53 +01:00
syzygy
Replace some std::string occurrences with std::string_view
2023-01-09 20:28:24 +01:00
benchmark.cpp
Warn if a global function has no previous declaration
2023-01-09 20:18:39 +01:00
benchmark.h
Warn if a global function has no previous declaration
2023-01-09 20:18:39 +01:00
bitbase.cpp
Update copyright years
2023-01-02 19:07:38 +01:00
bitboard.cpp
Remove precomputed SquareBB
2023-01-22 10:55:32 +01:00
bitboard.h
Remove precomputed SquareBB
2023-01-22 10:55:32 +01:00
endgame.cpp
Update copyright years
2023-01-02 19:07:38 +01:00
endgame.h
Update copyright years
2023-01-02 19:07:38 +01:00
evaluate.cpp
Reintroduce nnue pawn scaling with lower lazy thresholds
2023-02-23 13:27:57 +01:00
evaluate.h
Introduce a function to compute NNUE accumulator
2023-02-23 13:25:35 +01:00
main.cpp
Update copyright years
2023-01-02 19:07:38 +01:00
Makefile
Add support for ARM dot product instructions
2023-02-23 13:22:03 +01:00
material.cpp
Update copyright years
2023-01-02 19:07:38 +01:00
material.h
Modernize code base a little bit
2023-01-09 20:25:13 +01:00
misc.cpp
Fix build on arm windows
2023-02-18 13:14:05 +01:00
misc.h
Expand statistics tools for engine development
2023-02-03 20:07:56 +01:00
movegen.cpp
remove unnecessary variable
2023-02-09 07:42:52 +01:00
movegen.h
Update copyright years
2023-01-02 19:07:38 +01:00
movepick.cpp
apply if constexpr to additional instances
2023-01-22 13:15:46 +01:00
movepick.h
Update copyright years
2023-01-02 19:07:38 +01:00
pawns.cpp
Update copyright years
2023-01-02 19:07:38 +01:00
pawns.h
Update copyright years
2023-01-02 19:07:38 +01:00
position.cpp
update cuckoo link
2023-02-18 13:14:24 +01:00
position.h
Update copyright years
2023-01-02 19:07:38 +01:00
psqt.cpp
Update copyright years
2023-01-02 19:07:38 +01:00
psqt.h
Update copyright years
2023-01-02 19:07:38 +01:00
search.cpp
Use common_parent_position hint also at PVNodes TT hits.
2023-02-27 08:27:26 +01:00
search.h
Update copyright years
2023-01-02 19:07:38 +01:00
thread_win32_osx.h
Modernize code base a little bit
2023-01-09 20:25:13 +01:00
thread.cpp
Remove previousDepth in favor of completedDepth + 2
2023-01-28 16:50:46 +01:00
thread.h
Remove previousDepth in favor of completedDepth + 2
2023-01-28 16:50:46 +01:00
timeman.cpp
Update copyright years
2023-01-02 19:07:38 +01:00
timeman.h
Update copyright years
2023-01-02 19:07:38 +01:00
tt.cpp
Update copyright years
2023-01-02 19:07:38 +01:00
tt.h
Update copyright years
2023-01-02 19:07:38 +01:00
tune.cpp
Update copyright years
2023-01-02 19:07:38 +01:00
tune.h
Update copyright years
2023-01-02 19:07:38 +01:00
types.h
Update copyright years
2023-01-02 19:07:38 +01:00
uci.cpp
Update WLD model
2023-02-02 17:58:05 +01:00
uci.h
Update WLD model
2023-02-02 17:58:05 +01:00
ucioption.cpp
Update UCI_Elo parameterization
2023-01-22 10:54:15 +01:00