Marco Costalba c8773c720a Merge Joona Kiiski NULL search beta correction ...

Prune more moves after a null search because of
a lower beta limit then in main search.

In test positions reduces the searched nodes of 30% !!!!

Signed-off-by: Marco Costalba <mcostalba@gmail.com>

2009-03-14 13:00:22 +01:00

..

benchmark.cpp

Big trailing whitespace cleanup part 1

2009-01-07 15:47:59 +01:00

benchmark.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

bitbase.cpp

Big trailing whitespace cleanup part 1

2009-01-07 15:47:59 +01:00

bitbase.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

bitboard.cpp

Add a see() function that take only destination square

2008-12-10 00:13:59 +01:00

bitboard.h

Revert previous commit.

2009-02-04 19:40:09 +01:00

book.cpp

Big trailing whitespace cleanup part 1

2009-01-07 15:47:59 +01:00

book.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

color.h

Remove the useless color.cpp

2009-02-04 19:40:43 +01:00

COPYING

Initial import of Glaurung 2.1

2008-09-01 07:59:13 +02:00

depth.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

direction.cpp

Big trailing whitespace cleanup part 1

2009-01-07 15:47:59 +01:00

direction.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

endgame.cpp

Use template for endgame scaling functions

2009-02-13 20:55:29 +01:00

endgame.h

Use template for endgame scaling functions

2009-02-13 20:55:29 +01:00

evaluate.cpp

Merge Joona Kiiski NULL search beta correction

2009-03-14 13:00:22 +01:00

evaluate.h

Merge Joona Kiiski NULL search beta correction

2009-03-14 13:00:22 +01:00

history.cpp

Big trailing whitespace cleanup part 1

2009-01-07 15:47:59 +01:00

history.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

lock.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

main.cpp

Big trailing whitespace cleanup part 1

2009-01-07 15:47:59 +01:00

Makefile

Fix Makefile

2009-02-07 13:26:17 +01:00

material.cpp

Merge Joona Kiiski evaluation tweaks

2009-03-14 12:55:14 +01:00

material.h

Use template for endgame scaling functions

2009-02-13 20:55:29 +01:00

mersenne.cpp

Warnings termination fest

2008-09-24 00:32:53 +02:00

mersenne.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

misc.cpp

Fix dbg_mean_of() to enable statistics when called

2008-12-30 12:54:21 +01:00

misc.h

Restore development versioning and LSN filtering

2008-12-30 12:42:23 +01:00

move.cpp

Remove xxx_of_color() helpers

2009-02-17 10:54:47 +01:00

move.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

movegen.cpp

Revert hidden checkers rework

2009-03-02 16:20:00 +01:00

movegen.h

Revert hidden checkers rework

2009-03-02 16:20:00 +01:00

movepick.cpp

Revert hidden checkers rework

2009-03-02 16:20:00 +01:00

movepick.h

Revert hidden checkers rework

2009-03-02 16:20:00 +01:00

pawns.cpp

Remove xxx_of_color() for real

2009-02-17 17:26:15 +01:00

pawns.h

PawnInfo::clear() retire memset() and fix Ubuntu compile

2009-02-04 19:41:17 +01:00

phase.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

piece.cpp

Fix casting warnings under Intel Compiler

2009-02-07 13:26:29 +01:00

piece.h

Remove xxx_of_color() helpers

2009-02-17 10:54:47 +01:00

position.cpp

Micro optimize move_is_check()

2009-03-07 21:05:49 +01:00

position.h

Merge Joona Kiiski evaluation tweaks

2009-03-14 12:55:14 +01:00

psqtab.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

san.cpp

Introduce StateInfo instead of UndoInfo

2009-02-22 21:18:50 +01:00

san.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

scale.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

search.cpp

Merge Joona Kiiski NULL search beta correction

2009-03-14 13:00:22 +01:00

search.h

Cleanup SearchStack initialization

2009-03-03 21:01:00 +01:00

square.h

Fix casting warnings under Intel Compiler

2009-02-07 13:26:29 +01:00

thread.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

timeoday.cpp

Initial import of Glaurung 2.1

2008-09-01 07:59:13 +02:00

tt.cpp

Introduce StateInfo instead of UndoInfo

2009-02-22 21:18:50 +01:00

tt.h

Update copyright info

2008-10-20 21:47:20 +02:00

types.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

uci.cpp

Fix a subtle bug due to the StateInfo pointer became stale

2009-02-23 21:45:12 +01:00

uci.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

ucioption.cpp

Restore development versioning and LSN filtering

2008-12-30 12:42:23 +01:00

ucioption.h

Big trailing whitespace cleanup part 2

2009-01-07 15:48:11 +01:00

value.cpp

Big trailing whitespace cleanup part 1

2009-01-07 15:47:59 +01:00

value.h

Merge Joona Kiiski evaluation tweaks

2009-03-14 12:55:14 +01:00