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04ac1bcabefaa5b6895b8c20c3c6e3ba7e3a5a61
Stockfish/src
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Marco Costalba 04ac1bcabe Fix incorrect assert(PvNode == (alpha != beta - 1)) 
In case of a PvNode could happen that alpha == beta - 1,
for instance in case the same previous node was visited
with same beta during a non-pv search, the node failed low
and stored beta-1 in TT. Then the node is searched again
in PV mode, TT value beta-1 is retrieved and updates alpha
that now happens to be beta-1.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
2012-01-22 11:41:34 +01:00
..
benchmark.cpp
Move struct RootMove to Search namespace
2012-01-14 14:22:34 +01:00
bitbase.cpp
Update copyright year to 2012
2011-12-30 13:52:16 +01:00
bitboard.cpp
Make init_magic() piece agnostic
2012-01-15 09:21:00 +01:00
bitboard.h
Make init_magic() piece agnostic
2012-01-15 09:21:00 +01:00
bitcount.h
Unify BitCountType selection
2011-12-31 10:46:14 +01:00
book.cpp
Fix a warning under gcc
2012-01-03 19:01:47 +01:00
book.h
Simplify Book APIs
2012-01-01 14:46:18 +01:00
endgame.cpp
Remove unused #include lines
2012-01-19 00:48:53 +08:00
endgame.h
Use operator~ to flip colors and squares
2012-01-12 19:37:44 +01:00
evaluate.cpp
Remove unused #include lines
2012-01-19 00:48:53 +08:00
evaluate.h
Update copyright year to 2012
2011-12-30 13:52:16 +01:00
history.h
Update copyright year to 2012
2011-12-30 13:52:16 +01:00
lock.h
Retire OLD_LOCKS option
2012-01-07 11:18:09 +01:00
main.cpp
Remove unused #include lines
2012-01-19 00:48:53 +08:00
Makefile
Retire double-profile-build Makefile target
2012-01-15 17:02:06 +01:00
material.cpp
Fix compile on HP-UX 11's HP's C++
2012-01-07 00:04:08 +01:00
material.h
Update copyright year to 2012
2011-12-30 13:52:16 +01:00
misc.cpp
Remove unused #include lines
2012-01-19 00:48:53 +08:00
misc.h
Simplify debug functions
2011-12-30 16:23:11 +01:00
move.cpp
Remove unused #include lines
2012-01-19 00:48:53 +08:00
movegen.cpp
Rename NON_CAPTURE to QUIET
2012-01-22 00:42:59 +01:00
movegen.h
Rename NON_CAPTURE to QUIET
2012-01-22 00:42:59 +01:00
movepick.cpp
Order the recaptures by MVV/LVA
2012-01-22 11:19:44 +01:00
movepick.h
Rename NON_CAPTURE to QUIET
2012-01-22 00:42:59 +01:00
pawns.cpp
Use 'adjacent' instead of 'neighboring'
2012-01-14 18:04:13 +01:00
pawns.h
Update copyright year to 2012
2011-12-30 13:52:16 +01:00
position.cpp
Remove unused #include lines
2012-01-19 00:48:53 +08:00
position.h
Unify some template specializations
2012-01-14 23:11:59 +01:00
psqtab.h
Update copyright year to 2012
2011-12-30 13:52:16 +01:00
rkiss.h
Update copyright year to 2012
2011-12-30 13:52:16 +01:00
search.cpp
Fix incorrect assert(PvNode == (alpha != beta - 1))
2012-01-22 11:41:34 +01:00
search.h
Move struct RootMove to Search namespace
2012-01-14 14:22:34 +01:00
thread.cpp
Remove unused #include lines
2012-01-19 00:48:53 +08:00
thread.h
Remove unused #include lines
2012-01-19 00:48:53 +08:00
timeman.cpp
Remove unused #include lines
2012-01-19 00:48:53 +08:00
timeman.h
Update copyright year to 2012
2011-12-30 13:52:16 +01:00
tt.cpp
Update copyright year to 2012
2011-12-30 13:52:16 +01:00
tt.h
Update copyright year to 2012
2011-12-30 13:52:16 +01:00
types.h
Use operator~ to flip colors and squares
2012-01-12 19:37:44 +01:00
uci.cpp
Remove unused #include lines
2012-01-19 00:48:53 +08:00
ucioption.cpp
Restore development version
2012-01-14 15:27:24 +01:00
ucioption.h
Update copyright year to 2012
2011-12-30 13:52:16 +01:00