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bc3c215490edf24cef0ff87d74ab01eeb91ae1bc
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VizvezdenecandJoost VandeVondele bc3c215490 More reduction for evading pawn moves. 
pawn moves are irreversable unlike other evading moves; pawn is the least valuable piece in the game.
So it makes a lot of sence to assume that evading pawn moves are on average not as good as other evading moves thus can be reduced more.

Passed STC
https://tests.stockfishchess.org/tests/view/5ee9602e563bc7aa756002dc
LLR: 2.95 (-2.94,2.94) {-0.50,1.50}
Total: 94176 W: 17993 L: 17668 D: 58515
Ptnml(0-2): 1634, 10742, 21989, 11111, 1612

Passed LTC
https://tests.stockfishchess.org/tests/view/5ee97342563bc7aa75600301
LLR: 2.94 (-2.94,2.94) {0.25,1.75}
Total: 20432 W: 2572 L: 2354 D: 15506
Ptnml(0-2): 146, 1707, 6280, 1949, 134

closes https://github.com/official-stockfish/Stockfish/pull/2749

Bench: 5073064
2020-06-17 07:41:59 +02:00
..
syzygy
small cleanups
2020-05-23 13:27:16 +02:00
benchmark.cpp
Equations for edges and corners.
2020-03-09 22:16:26 +01:00
bitbase.cpp
Consolidate all attacks bitboards
2020-05-30 20:30:31 +02:00
bitboard.cpp
show coordinates when displaying board
2020-06-09 18:28:20 +02:00
bitboard.h
Wrap all access to LineBB and add assert
2020-06-09 18:13:24 +02:00
endgame.cpp
Consolidate all attacks bitboards
2020-05-30 20:30:31 +02:00
endgame.h
remove KNPK endgame code
2020-04-05 08:35:31 +02:00
evaluate.cpp
Quantize eval to multiples of 16
2020-06-13 07:10:34 +02:00
evaluate.h
Small cleanups
2020-03-01 09:31:58 +01:00
main.cpp
small cleanups
2020-05-23 13:27:16 +02:00
Makefile
Fix syzygy dependencies issue
2020-05-09 09:39:52 +02:00
material.cpp
Small cleanups
2020-03-30 22:46:07 +02:00
material.h
Update lists of authors and contributors
2020-01-09 01:43:47 +01:00
misc.cpp
Avoid sending info strings before 'uci' has been received
2020-05-19 17:02:21 +02:00
misc.h
Use 128 bit multiply for TT index
2020-06-17 07:32:16 +02:00
movegen.cpp
Wrap all access to LineBB and add assert
2020-06-09 18:13:24 +02:00
movegen.h
Update lists of authors and contributors
2020-01-09 01:43:47 +01:00
movepick.cpp
Use lowply-history also on low depths
2020-06-06 16:18:42 +02:00
movepick.h
Improve move order near the root
2020-02-22 21:32:32 +01:00
pawns.cpp
Isolated pawns tweak
2020-06-01 17:27:29 +02:00
pawns.h
Small cleanups
2020-04-29 17:44:24 +02:00
position.cpp
show coordinates when displaying board
2020-06-09 18:28:20 +02:00
position.h
Consolidate all attacks bitboards
2020-05-30 20:30:31 +02:00
psqt.cpp
Small bonus to favor thorn pawns
2020-06-17 07:35:58 +02:00
search.cpp
More reduction for evading pawn moves.
2020-06-17 07:41:59 +02:00
search.h
continuation histories when in check
2020-04-22 08:48:01 +02:00
thread_win32_osx.h
Update lists of authors and contributors
2020-01-09 01:43:47 +01:00
thread.cpp
Refactor some threads related code.
2020-06-09 18:22:27 +02:00
thread.h
Refactor some threads related code.
2020-06-09 18:22:27 +02:00
timeman.cpp
small cleanups
2020-05-23 13:27:16 +02:00
timeman.h
Update lists of authors and contributors
2020-01-09 01:43:47 +01:00
tt.cpp
Use 128 bit multiply for TT index
2020-06-17 07:32:16 +02:00
tt.h
Use 128 bit multiply for TT index
2020-06-17 07:32:16 +02:00
tune.cpp
small cleanups
2020-05-23 13:27:16 +02:00
tune.h
Fishtest Tuning Framework
2020-05-02 17:32:11 +02:00
types.h
Tune pawn value
2020-05-11 20:46:39 +02:00
uci.cpp
Small cleanups
2020-03-30 22:46:07 +02:00
uci.h
Update lists of authors and contributors
2020-01-09 01:43:47 +01:00
ucioption.cpp
Use 128 bit multiply for TT index
2020-06-17 07:32:16 +02:00