Marco Costalba 8cd5cb930d Try razoring only for depth > OnePly ...

Because razoring verification after qsearch() cuts more
then 40% of candidates, do not waste a costly qsearch for
nodes at depth one that will be probably discarded anyway
by futility.

Also tight razoring conditions to keep dangerous false
negatives below 0,05%. Still not clear if it is enough.

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

2008-12-24 09:35:57 +01:00

..

benchmark.cpp

Benchmark: print nodes searched at the end of testing

2008-11-24 20:43:11 +01:00

benchmark.h

Update copyright info

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

bitbase.cpp

Update copyright info

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

bitbase.h

Update copyright info

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

bitboard.cpp

Add a see() function that take only destination square

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

bitboard.h

Add behind_bb() helper to simplify code logic

2008-12-10 00:14:24 +01:00

book.cpp

Update copyright info

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

book.h

Update copyright info

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

color.cpp

Update copyright info

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

color.h

Update copyright info

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

COPYING

…

depth.h

Update copyright info

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

direction.cpp

Update copyright info

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

direction.h

Update copyright info

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

endgame.cpp

Merged two new endgames from Glaurung 2.2

2008-12-21 15:38:10 +01:00

endgame.h

Merged two new endgames from Glaurung 2.2

2008-12-21 15:38:10 +01:00

evaluate.cpp

Passed pawns: consider enemy rooks or queens from behind

2008-12-22 12:10:15 +01:00

evaluate.h

Update copyright info

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

history.cpp

Fix compile under Ubuntu 64bit

2008-11-04 20:56:30 +01:00

history.h

Update copyright info

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

lock.h

Update copyright info

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

main.cpp

Introduce node limited benchmarking

2008-11-22 11:56:14 +01:00

Makefile

Stockfish 1.0

2008-11-02 15:35:32 +01:00

material.cpp

Merge space weigth evaluation fromGlaurung 2.2

2008-12-21 16:26:36 +01:00

material.h

Merge space weigth evaluation fromGlaurung 2.2

2008-12-21 16:26:36 +01:00

mersenne.cpp

…

mersenne.h

Update copyright info

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

misc.cpp

Debugging: move debug function definitions in misc.cpp

2008-12-14 17:26:05 +01:00

misc.h

Restore development versioning and LSN filtering

2008-12-15 22:23:03 +01:00

move.cpp

Space inflate move.cpp

2008-11-01 12:46:53 +01:00

move.h

Update copyright info

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

movegen.cpp

Generate moves for powerful pieces first

2008-11-24 20:43:29 +01:00

movegen.h

Manual merge

2008-10-26 21:44:58 +01:00

movepick.cpp

Revert see() shortcut for LxH and equal captures

2008-12-06 12:32:23 +01:00

movepick.h

Revert threat move ordering

2008-11-26 11:22:30 +01:00

pawns.cpp

Retire EvaluatePawnStorms and UseEasyMove constants

2008-12-21 20:10:20 +01:00

pawns.h

Space inflate pawns.cpp

2008-12-10 00:14:15 +01:00

phase.h

Update copyright info

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

piece.cpp

piece_type_to_char() default argument in declaration

2008-11-30 00:38:33 +01:00

piece.h

piece_type_to_char() default argument in declaration

2008-11-30 00:38:33 +01:00

position.cpp

SEE: add support for enpassant moves

2008-12-21 10:44:41 +01:00

position.h

Add a see() function that take only destination square

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

psqtab.h

Update copyright info

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

san.cpp

Fix two gcc warnings in san.cpp

2008-12-06 12:32:11 +01:00

san.h

san.cpp pass position as constant reference

2008-11-30 01:25:16 +01:00

scale.h

Update copyright info

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

search.cpp

Try razoring only for depth > OnePly

2008-12-24 09:35:57 +01:00

search.h

Merge cosmetics from Glaurung 2.2

2008-12-21 17:02:34 +01:00

square.cpp

Update copyright info

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

square.h

Fix compile under Ubuntu 64bit

2008-11-04 20:56:30 +01:00

thread.h

Update copyright info

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

timeoday.cpp

…

tt.cpp

Fix hashfull info

2008-11-16 12:37:45 +01:00

tt.h

Update copyright info

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

types.h

Update copyright info

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

uci.cpp

Update copyright info

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

uci.h

Update copyright info

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

ucioption.cpp

Merge futility pruning from Glaurung 2.2

2008-12-23 12:01:48 +01:00

ucioption.h

Update copyright info

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

value.cpp

Update copyright info

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

value.h

Update copyright info

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