Marco Costalba 3f3365221b Try to prune also when approximateEval < beta ...

Now we always try to filter out moves, we will have
more wasted evaluation calls, but also more pruned
nodes.

After 786 games

Mod vs Orig +196 =413 -177 +8 ELO

Verified also against Rybka it increases score to 50-51%

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

2009-12-01 11:49:33 +01:00

..

application.cpp

Clean killers handling in movepicker

2009-08-26 15:38:47 +01:00

application.h

Remove unused members in Application class

2009-07-26 16:11:20 +01:00

benchmark.cpp

Implemented perft

2009-11-01 17:05:00 +01:00

benchmark.h

Update copyright year

2009-05-07 14:54:40 +02:00

bitbase.cpp

Update copyright year

2009-05-07 14:54:40 +02:00

bitbase.h

Update copyright year

2009-05-07 14:54:40 +02:00

bitboard.cpp

Logaritmic futility margins

2009-11-23 20:59:24 +01:00

bitboard.h

Logaritmic futility margins

2009-11-23 20:59:24 +01:00

bitcount.h

Enable POPCNT only through Makefile

2009-11-06 17:50:24 +01:00

book.cpp

Simplify move legality check for uncommon cases

2009-09-22 07:07:18 +01:00

book.h

Update copyright year

2009-05-07 14:54:40 +02:00

color.h

Use string instead of std::string

2009-05-10 18:38:47 +01:00

COPYING

Initial import of Glaurung 2.1

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

depth.h

Directly relate HistoryMax to OnePly

2009-05-20 14:43:17 +02:00

direction.cpp

Space inflate and cleanup direction.cpp

2009-05-20 12:02:39 +02:00

direction.h

Update copyright year

2009-05-07 14:54:40 +02:00

endgame.cpp

Rename piece_attacks_from() in attacks_from()

2009-09-20 14:55:28 +01:00

endgame.h

Better naming and document some endgame functions

2009-08-14 08:19:55 +01:00

evaluate.cpp

Code style triviality

2009-11-22 21:12:33 +01:00

evaluate.h

Convert mobility bonus tables to Score

2009-11-07 15:28:02 +01:00

history.cpp

Reduce history 4 times instead of 2 when reach the maximum

2009-05-20 09:03:15 +02:00

history.h

Directly relate HistoryMax to OnePly

2009-05-20 14:43:17 +02:00

lock.h

Use WIN32_LEAN_AND_MEAN in lock.h

2009-09-17 14:18:44 +01:00

main.cpp

Implemented perft

2009-11-01 17:05:00 +01:00

Makefile

Better big-endian support wording in Makefile

2009-11-06 17:50:38 +01:00

material.cpp

Micro-optimize get_material_info()

2009-11-15 09:35:22 +01:00

material.h

Move game phase computation to MaterialInfo

2009-11-14 17:57:49 +01:00

mersenne.cpp

Warnings termination fest

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

mersenne.h

Update copyright year

2009-05-07 14:54:40 +02:00

misc.cpp

Add threat evaluation

2009-10-25 08:21:35 +01:00

misc.h

Use string instead of std::string

2009-05-10 18:38:47 +01:00

move.cpp

Micro optimize and rename move_promotion()

2009-06-20 09:04:32 +01:00

move.h

Speed up sorting of non-captures

2009-11-25 17:42:41 +01:00

movegen.cpp

Small code-style touches in movegen.cpp

2009-11-06 14:42:48 +01:00

movegen.h

Retire MovePicker::discovered_check_candidates()

2009-11-05 07:03:48 +01:00

movepick.cpp

Define Score as an enum

2009-11-09 08:43:34 +01:00

movepick.h

Retire MovePicker::discovered_check_candidates()

2009-11-05 07:03:48 +01:00

pawns.cpp

Convert pawns evaluation to Score

2009-11-14 17:57:50 +01:00

pawns.h

Convert pawns evaluation to Score

2009-11-14 17:57:50 +01:00

piece.cpp

Update copyright year

2009-05-07 14:54:40 +02:00

piece.h

Retire piece_is_slider(PieceType pt)

2009-09-04 08:21:07 +01:00

position.cpp

Base work for exclusion search

2009-11-23 21:00:05 +01:00

position.h

Document and cleanup new effective-single-reply code

2009-11-23 21:12:49 +01:00

psqtab.h

Joona tweaks of piece values

2009-07-02 06:29:14 +01:00

san.cpp

Rewrite generate_pawn_moves() and simplify evasions

2009-11-05 07:03:47 +01:00

san.h

Display fail high/fail low in search log file.

2009-10-06 12:51:15 +02:00

scale.h

Update copyright year

2009-05-07 14:54:40 +02:00

search.cpp

Try to prune also when approximateEval < beta

2009-12-01 11:49:33 +01:00

search.h

Implemented perft

2009-11-01 17:05:00 +01:00

square.h

Update copyright year

2009-05-07 14:54:40 +02:00

thread.h

Remove dcCandidates data member from SplitPoint

2009-11-13 10:10:21 +01:00

tt.cpp

Fix an off-by-one bug in extract_pv()

2009-10-09 10:04:55 +01:00

tt.h

Fix an off-by-one bug in extract_pv()

2009-10-09 10:04:55 +01:00

types.h

Fix correct name of int64_t type

2009-11-07 10:08:28 +01:00

uci.cpp

Use a more standard perft UCI interface

2009-11-13 10:35:56 +01:00

uci.h

Update copyright year

2009-05-07 14:54:40 +02:00

ucioption.cpp

Fix get_option_value() for strings with spaces

2009-11-28 17:31:56 +01:00

ucioption.h

Use string instead of std::string

2009-05-10 18:38:47 +01:00

value.cpp

Update copyright year

2009-05-07 14:54:40 +02:00

value.h

Fix operator/(Score s, int i)

2009-11-09 09:00:24 +01:00