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Do not refresh TT in qsearch
author
Marco Costalba
<mcostalba@gmail.com>
Sat, 1 May 2010 05:12:04 +0000
(06:12 +0100)
committer
Marco Costalba
<mcostalba@gmail.com>
Sun, 2 May 2010 06:50:19 +0000
(07:50 +0100)
Almost no change and simplifies a bit the code.
After 961 games at 1+0
Mod vs Orig +156 =650 -146 +4 ELO
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
src/search.cpp
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diff --git
a/src/search.cpp
b/src/search.cpp
index 1f980fbb78038d6cf098e1b3cafaa37761bfd808..ec884b3c145afc20dbcdff887e056ba671552827 100644
(file)
--- a/
src/search.cpp
+++ b/
src/search.cpp
@@
-1627,9
+1627,6
@@
namespace {
{
assert(tte->type() != VALUE_TYPE_EVAL);
- // Refresh tte entry to avoid aging
- TT.store(pos.get_key(), tte->value(), tte->type(), tte->depth(), ttMove);
-
ss[ply].currentMove = ttMove; // Can be MOVE_NONE
return value_from_tt(tte->value(), ply);
}